prosody
3eef052c72d8
util-src/crypto.c

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

util-src/crypto.c @ 12804:3eef052c72d8

mod_c2s: Advertise stanza size limit to clients Should help clients avoid sending stanzas that will get their stream killed. Custom namespace while ironing out the protocol. My spoon is too big!
author Kim Alvefur <zash@zash.se>
date Tue, 16 Mar 2021 18:17:05 +0100
parent 12735:445f7bd6ffc4
child 12837:d3ae47d8a7a7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 /* Prosody IM
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2 -- Copyright (C) 2022 Matthew Wild
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 --
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 -- This project is MIT/X11 licensed. Please see the
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5 -- COPYING file in the source package for more information.
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 --
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7 */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 /*
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 * crypto.c
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 * Lua library for cryptographic operations using OpenSSL
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 #include <string.h>
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 #include <stdlib.h>
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 #ifdef _MSC_VER
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 typedef unsigned __int32 uint32_t;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19 #else
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 #include <inttypes.h>
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 #endif
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 #include "lua.h"
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 #include "lauxlib.h"
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 #include <openssl/crypto.h>
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26 #include <openssl/ecdsa.h>
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 #include <openssl/err.h>
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 #include <openssl/evp.h>
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 #include <openssl/obj_mac.h>
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30 #include <openssl/pem.h>
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 #if (LUA_VERSION_NUM == 501)
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 #define luaL_setfuncs(L, R, N) luaL_register(L, NULL, R)
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 #endif
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35
12735
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
36 /* The max size of an encoded 'R' or 'S' value. P-521 = 521 bits = 66 bytes */
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
37 #define MAX_ECDSA_SIG_INT_BYTES 66
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
38
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39 #include "managed_pointer.h"
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 #define PKEY_MT_TAG "util.crypto key"
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
42
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
43 static BIO* new_memory_BIO() {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 return BIO_new(BIO_s_mem());
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 MANAGED_POINTER_ALLOCATOR(new_managed_EVP_MD_CTX, EVP_MD_CTX*, EVP_MD_CTX_new, EVP_MD_CTX_free)
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 MANAGED_POINTER_ALLOCATOR(new_managed_BIO_s_mem, BIO*, new_memory_BIO, BIO_free)
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 MANAGED_POINTER_ALLOCATOR(new_managed_EVP_CIPHER_CTX, EVP_CIPHER_CTX*, EVP_CIPHER_CTX_new, EVP_CIPHER_CTX_free)
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50
12698
999663b4e39d util.crypto: Friendlier error message on incorrect key types
Matthew Wild <mwild1@gmail.com>
parents: 12697
diff changeset
51 #define CRYPTO_KEY_TYPE_ERR "unexpected key type: got '%s', expected '%s'"
999663b4e39d util.crypto: Friendlier error message on incorrect key types
Matthew Wild <mwild1@gmail.com>
parents: 12697
diff changeset
52
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
53 static EVP_PKEY* pkey_from_arg(lua_State *L, int idx, const int type, const int require_private) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
54 EVP_PKEY *pkey = *(EVP_PKEY**)luaL_checkudata(L, idx, PKEY_MT_TAG);
12697
916871447b2f util.crypto: Add support for RSA signatures (PKCS1-v1.5 + PSS)
Matthew Wild <mwild1@gmail.com>
parents: 12693
diff changeset
55 int got_type;
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
56 if(type || require_private) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
57 lua_getuservalue(L, idx);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
58 if(type != 0) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
59 lua_getfield(L, -1, "type");
12697
916871447b2f util.crypto: Add support for RSA signatures (PKCS1-v1.5 + PSS)
Matthew Wild <mwild1@gmail.com>
parents: 12693
diff changeset
60 got_type = lua_tointeger(L, -1);
916871447b2f util.crypto: Add support for RSA signatures (PKCS1-v1.5 + PSS)
Matthew Wild <mwild1@gmail.com>
parents: 12693
diff changeset
61 if(got_type != type) {
12698
999663b4e39d util.crypto: Friendlier error message on incorrect key types
Matthew Wild <mwild1@gmail.com>
parents: 12697
diff changeset
62 const char *got_key_type_name = OBJ_nid2sn(got_type);
999663b4e39d util.crypto: Friendlier error message on incorrect key types
Matthew Wild <mwild1@gmail.com>
parents: 12697
diff changeset
63 const char *want_key_type_name = OBJ_nid2sn(type);
999663b4e39d util.crypto: Friendlier error message on incorrect key types
Matthew Wild <mwild1@gmail.com>
parents: 12697
diff changeset
64 lua_pushfstring(L, CRYPTO_KEY_TYPE_ERR, got_key_type_name, want_key_type_name);
999663b4e39d util.crypto: Friendlier error message on incorrect key types
Matthew Wild <mwild1@gmail.com>
parents: 12697
diff changeset
65 luaL_argerror(L, idx, lua_tostring(L, -1));
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
66 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
67 lua_pop(L, 1);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
68 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
69 if(require_private != 0) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
70 lua_getfield(L, -1, "private");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
71 if(lua_toboolean(L, -1) != 1) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
72 luaL_argerror(L, idx, "private key expected, got public key only");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
73 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
74 lua_pop(L, 1);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
75 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
76 lua_pop(L, 1);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
77 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
78 return pkey;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
79 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
80
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
81 static int Lpkey_finalizer(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
82 EVP_PKEY *pkey = pkey_from_arg(L, 1, 0, 0);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
83 EVP_PKEY_free(pkey);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
84 return 0;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
85 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
86
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
87 static int Lpkey_meth_get_type(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
88 EVP_PKEY *pkey = pkey_from_arg(L, 1, 0, 0);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
89
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
90 int key_type = EVP_PKEY_id(pkey);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
91 lua_pushstring(L, OBJ_nid2sn(key_type));
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
92 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
93 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
94
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
95 static int base_evp_sign(lua_State *L, const int key_type, const EVP_MD *digest_type) {
12697
916871447b2f util.crypto: Add support for RSA signatures (PKCS1-v1.5 + PSS)
Matthew Wild <mwild1@gmail.com>
parents: 12693
diff changeset
96 EVP_PKEY *pkey = pkey_from_arg(L, 1, (key_type!=NID_rsassaPss)?key_type:NID_rsaEncryption, 1);
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
97 luaL_Buffer sigbuf;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
98
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
99 size_t msg_len;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
100 const unsigned char* msg = (unsigned char*)lua_tolstring(L, 2, &msg_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
101
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
102 size_t sig_len;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
103 unsigned char *sig = NULL;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
104 EVP_MD_CTX *md_ctx = new_managed_EVP_MD_CTX(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
105
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
106 if(EVP_DigestSignInit(md_ctx, NULL, digest_type, NULL, pkey) != 1) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
107 lua_pushnil(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
108 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
109 }
12697
916871447b2f util.crypto: Add support for RSA signatures (PKCS1-v1.5 + PSS)
Matthew Wild <mwild1@gmail.com>
parents: 12693
diff changeset
110 if(key_type == NID_rsassaPss) {
916871447b2f util.crypto: Add support for RSA signatures (PKCS1-v1.5 + PSS)
Matthew Wild <mwild1@gmail.com>
parents: 12693
diff changeset
111 EVP_PKEY_CTX_set_rsa_padding(EVP_MD_CTX_pkey_ctx(md_ctx), RSA_PKCS1_PSS_PADDING);
916871447b2f util.crypto: Add support for RSA signatures (PKCS1-v1.5 + PSS)
Matthew Wild <mwild1@gmail.com>
parents: 12693
diff changeset
112 }
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
113 if(EVP_DigestSign(md_ctx, NULL, &sig_len, msg, msg_len) != 1) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
114 lua_pushnil(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
115 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
116 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
117
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
118 // COMPAT w/ Lua 5.1
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
119 luaL_buffinit(L, &sigbuf);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
120 sig = memset(luaL_prepbuffer(&sigbuf), 0, sig_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
121
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
122 if(EVP_DigestSign(md_ctx, sig, &sig_len, msg, msg_len) != 1) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
123 lua_pushnil(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
124 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
125 else {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
126 luaL_addsize(&sigbuf, sig_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
127 luaL_pushresult(&sigbuf);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
128 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
129 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
130
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
131 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
132 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
133
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
134 static int base_evp_verify(lua_State *L, const int key_type, const EVP_MD *digest_type) {
12697
916871447b2f util.crypto: Add support for RSA signatures (PKCS1-v1.5 + PSS)
Matthew Wild <mwild1@gmail.com>
parents: 12693
diff changeset
135 EVP_PKEY *pkey = pkey_from_arg(L, 1, (key_type!=NID_rsassaPss)?key_type:NID_rsaEncryption, 0);
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
136
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
137 size_t msg_len;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
138 const unsigned char *msg = (unsigned char*)luaL_checklstring(L, 2, &msg_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
139
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
140 size_t sig_len;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
141 const unsigned char *sig = (unsigned char*)luaL_checklstring(L, 3, &sig_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
142
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
143 EVP_MD_CTX *md_ctx = EVP_MD_CTX_new();
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
144
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
145 if(EVP_DigestVerifyInit(md_ctx, NULL, digest_type, NULL, pkey) != 1) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
146 lua_pushnil(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
147 goto cleanup;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
148 }
12697
916871447b2f util.crypto: Add support for RSA signatures (PKCS1-v1.5 + PSS)
Matthew Wild <mwild1@gmail.com>
parents: 12693
diff changeset
149 if(key_type == NID_rsassaPss) {
916871447b2f util.crypto: Add support for RSA signatures (PKCS1-v1.5 + PSS)
Matthew Wild <mwild1@gmail.com>
parents: 12693
diff changeset
150 EVP_PKEY_CTX_set_rsa_padding(EVP_MD_CTX_pkey_ctx(md_ctx), RSA_PKCS1_PSS_PADDING);
916871447b2f util.crypto: Add support for RSA signatures (PKCS1-v1.5 + PSS)
Matthew Wild <mwild1@gmail.com>
parents: 12693
diff changeset
151 }
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
152 int result = EVP_DigestVerify(md_ctx, sig, sig_len, msg, msg_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
153 if(result == 0) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
154 lua_pushboolean(L, 0);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
155 } else if(result != 1) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
156 lua_pushnil(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
157 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
158 else {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
159 lua_pushboolean(L, 1);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
160 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
161 cleanup:
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
162 EVP_MD_CTX_free(md_ctx);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
163 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
164 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
165
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
166 static int Lpkey_meth_public_pem(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
167 char *data;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
168 size_t bytes;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
169 EVP_PKEY *pkey = pkey_from_arg(L, 1, 0, 0);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
170 BIO *bio = new_managed_BIO_s_mem(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
171 if(PEM_write_bio_PUBKEY(bio, pkey)) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
172 bytes = BIO_get_mem_data(bio, &data);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
173 if (bytes > 0) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
174 lua_pushlstring(L, data, bytes);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
175 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
176 else {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
177 lua_pushnil(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
178 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
179 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
180 else {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
181 lua_pushnil(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
182 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
183 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
184 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
185
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
186 static int Lpkey_meth_private_pem(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
187 char *data;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
188 size_t bytes;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
189 EVP_PKEY *pkey = pkey_from_arg(L, 1, 0, 1);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
190 BIO *bio = new_managed_BIO_s_mem(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
191
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
192 if(PEM_write_bio_PrivateKey(bio, pkey, NULL, NULL, 0, NULL, NULL)) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
193 bytes = BIO_get_mem_data(bio, &data);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
194 if (bytes > 0) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
195 lua_pushlstring(L, data, bytes);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
196 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
197 else {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
198 lua_pushnil(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
199 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
200 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
201 else {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
202 lua_pushnil(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
203 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
204 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
205 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
206
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
207 static int push_pkey(lua_State *L, EVP_PKEY *pkey, const int type, const int privkey) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
208 EVP_PKEY **ud = lua_newuserdata(L, sizeof(EVP_PKEY*));
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
209 *ud = pkey;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
210 luaL_newmetatable(L, PKEY_MT_TAG);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
211 lua_setmetatable(L, -2);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
212
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
213 /* Set some info about the key and attach it as a user value */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
214 lua_newtable(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
215 if(type != 0) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
216 lua_pushinteger(L, type);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
217 lua_setfield(L, -2, "type");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
218 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
219 if(privkey != 0) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
220 lua_pushboolean(L, 1);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
221 lua_setfield(L, -2, "private");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
222 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
223 lua_setuservalue(L, -2);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
224 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
225 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
226
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
227 static int Lgenerate_ed25519_keypair(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
228 EVP_PKEY *pkey = NULL;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
229 EVP_PKEY_CTX *pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_ED25519, NULL);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
230
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
231 /* Generate key */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
232 EVP_PKEY_keygen_init(pctx);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
233 EVP_PKEY_keygen(pctx, &pkey);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
234 EVP_PKEY_CTX_free(pctx);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
235
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
236 push_pkey(L, pkey, NID_ED25519, 1);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
237 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
238 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
239
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
240 static int Limport_private_pem(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
241 EVP_PKEY *pkey = NULL;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
242
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
243 size_t privkey_bytes;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
244 const char* privkey_data;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
245 BIO *bio = new_managed_BIO_s_mem(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
246
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
247 privkey_data = luaL_checklstring(L, 1, &privkey_bytes);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
248 BIO_write(bio, privkey_data, privkey_bytes);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
249 pkey = PEM_read_bio_PrivateKey(bio, NULL, NULL, NULL);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
250 if (pkey) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
251 push_pkey(L, pkey, EVP_PKEY_id(pkey), 1);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
252 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
253 else {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
254 lua_pushnil(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
255 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
256
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
257 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
258 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
259
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
260 static int Limport_public_pem(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
261 EVP_PKEY *pkey = NULL;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
262
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
263 size_t pubkey_bytes;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
264 const char* pubkey_data;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
265 BIO *bio = new_managed_BIO_s_mem(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
266
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
267 pubkey_data = luaL_checklstring(L, 1, &pubkey_bytes);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
268 BIO_write(bio, pubkey_data, pubkey_bytes);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
269 pkey = PEM_read_bio_PUBKEY(bio, NULL, NULL, NULL);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
270 if (pkey) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
271 push_pkey(L, pkey, EVP_PKEY_id(pkey), 0);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
272 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
273 else {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
274 lua_pushnil(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
275 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
276
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
277 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
278 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
279
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
280 static int Led25519_sign(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
281 return base_evp_sign(L, NID_ED25519, NULL);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
282 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
283
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
284 static int Led25519_verify(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
285 return base_evp_verify(L, NID_ED25519, NULL);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
286 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
287
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
288 /* gcm_encrypt(key, iv, plaintext) */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
289 static int Laes_gcm_encrypt(lua_State *L, const EVP_CIPHER *cipher, const unsigned char expected_key_len) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
290 EVP_CIPHER_CTX *ctx;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
291 luaL_Buffer ciphertext_buffer;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
292
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
293 size_t key_len, iv_len, plaintext_len;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
294 int ciphertext_len, final_len;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
295
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
296 const unsigned char *key = (unsigned char*)luaL_checklstring(L, 1, &key_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
297 const unsigned char *iv = (unsigned char*)luaL_checklstring(L, 2, &iv_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
298 const unsigned char *plaintext = (unsigned char*)luaL_checklstring(L, 3, &plaintext_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
299
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
300 if(key_len != expected_key_len) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
301 return luaL_error(L, "key must be %d bytes", expected_key_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
302 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
303 luaL_argcheck(L, iv_len == 12, 2, "iv must be 12 bytes");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
304 if(lua_gettop(L) > 3) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
305 return luaL_error(L, "Expected 3 arguments, got %d", lua_gettop(L));
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
306 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
307
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
308 // Create and initialise the context
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
309 ctx = new_managed_EVP_CIPHER_CTX(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
310
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
311 // Initialise the encryption operation
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
312 if(1 != EVP_EncryptInit_ex(ctx, cipher, NULL, NULL, NULL)) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
313 return luaL_error(L, "Error while initializing encryption engine");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
314 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
315
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
316 // Initialise key and IV
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
317 if(1 != EVP_EncryptInit_ex(ctx, NULL, NULL, key, iv)) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
318 return luaL_error(L, "Error while initializing key/iv");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
319 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
320
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
321 luaL_buffinit(L, &ciphertext_buffer);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
322 unsigned char *ciphertext = (unsigned char*)luaL_prepbuffsize(&ciphertext_buffer, plaintext_len+16);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
323
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
324 if(1 != EVP_EncryptUpdate(ctx, ciphertext, &ciphertext_len, plaintext, plaintext_len)) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
325 return luaL_error(L, "Error while encrypting data");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
326 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
327
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
328 /*
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
329 * Finalise the encryption. Normally ciphertext bytes may be written at
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
330 * this stage, but this does not occur in GCM mode
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
331 */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
332 if(1 != EVP_EncryptFinal_ex(ctx, ciphertext + ciphertext_len, &final_len)) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
333 return luaL_error(L, "Error while encrypting final data");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
334 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
335 if(final_len != 0) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
336 return luaL_error(L, "Non-zero final data");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
337 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
338
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
339 /* Get the tag */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
340 if(1 != EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, 16, ciphertext + ciphertext_len)) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
341 return luaL_error(L, "Unable to read AEAD tag of encrypted data");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
342 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
343
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
344 luaL_addsize(&ciphertext_buffer, ciphertext_len + 16);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
345 luaL_pushresult(&ciphertext_buffer);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
346
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
347 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
348 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
349
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
350 static int Laes_128_gcm_encrypt(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
351 return Laes_gcm_encrypt(L, EVP_aes_128_gcm(), 16);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
352 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
353
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
354 static int Laes_256_gcm_encrypt(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
355 return Laes_gcm_encrypt(L, EVP_aes_256_gcm(), 32);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
356 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
357
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
358 /* gcm_decrypt(key, iv, ciphertext) */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
359 static int Laes_gcm_decrypt(lua_State *L, const EVP_CIPHER *cipher, const unsigned char expected_key_len) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
360 EVP_CIPHER_CTX *ctx;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
361 luaL_Buffer plaintext_buffer;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
362
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
363 size_t key_len, iv_len, ciphertext_len;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
364 int plaintext_len, final_len;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
365
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
366 const unsigned char *key = (unsigned char*)luaL_checklstring(L, 1, &key_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
367 const unsigned char *iv = (unsigned char*)luaL_checklstring(L, 2, &iv_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
368 const unsigned char *ciphertext = (unsigned char*)luaL_checklstring(L, 3, &ciphertext_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
369
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
370 if(key_len != expected_key_len) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
371 return luaL_error(L, "key must be %d bytes", expected_key_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
372 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
373 luaL_argcheck(L, iv_len == 12, 2, "iv must be 12 bytes");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
374 luaL_argcheck(L, ciphertext_len > 16, 3, "ciphertext must be at least 16 bytes (including tag)");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
375 if(lua_gettop(L) > 3) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
376 return luaL_error(L, "Expected 3 arguments, got %d", lua_gettop(L));
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
377 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
378
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
379 /* Create and initialise the context */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
380 ctx = new_managed_EVP_CIPHER_CTX(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
381
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
382 /* Initialise the decryption operation. */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
383 if(!EVP_DecryptInit_ex(ctx, cipher, NULL, NULL, NULL)) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
384 return luaL_error(L, "Error while initializing decryption engine");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
385 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
386
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
387 /* Initialise key and IV */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
388 if(!EVP_DecryptInit_ex(ctx, NULL, NULL, key, iv)) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
389 return luaL_error(L, "Error while initializing key/iv");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
390 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
391
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
392 luaL_buffinit(L, &plaintext_buffer);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
393 unsigned char *plaintext = (unsigned char*)luaL_prepbuffsize(&plaintext_buffer, ciphertext_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
394
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
395 /*
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
396 * Provide the message to be decrypted, and obtain the plaintext output.
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
397 * EVP_DecryptUpdate can be called multiple times if necessary
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
398 */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
399 if(!EVP_DecryptUpdate(ctx, plaintext, &plaintext_len, ciphertext, ciphertext_len-16)) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
400 return luaL_error(L, "Error while decrypting data");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
401 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
402
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
403 /* Set expected tag value. Works in OpenSSL 1.0.1d and later */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
404 if(!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, 16, (unsigned char*)ciphertext + (ciphertext_len-16))) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
405 return luaL_error(L, "Error while processing authentication tag");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
406 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
407
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
408 /*
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
409 * Finalise the decryption. A positive return value indicates success,
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
410 * anything else is a failure - the plaintext is not trustworthy.
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
411 */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
412 int ret = EVP_DecryptFinal_ex(ctx, plaintext + plaintext_len, &final_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
413
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
414 if(ret <= 0) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
415 /* Verify failed */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
416 lua_pushnil(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
417 lua_pushliteral(L, "verify-failed");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
418 return 2;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
419 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
420
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
421 luaL_addsize(&plaintext_buffer, plaintext_len + final_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
422 luaL_pushresult(&plaintext_buffer);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
423 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
424 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
425
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
426 static int Laes_128_gcm_decrypt(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
427 return Laes_gcm_decrypt(L, EVP_aes_128_gcm(), 16);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
428 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
429
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
430 static int Laes_256_gcm_decrypt(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
431 return Laes_gcm_decrypt(L, EVP_aes_256_gcm(), 32);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
432 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
433
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
434 /* r, s = parse_ecdsa_sig(sig_der) */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
435 static int Lparse_ecdsa_signature(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
436 ECDSA_SIG *sig;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
437 size_t sig_der_len;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
438 const unsigned char *sig_der = (unsigned char*)luaL_checklstring(L, 1, &sig_der_len);
12735
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
439 const size_t sig_int_bytes = luaL_checkinteger(L, 2);
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
440 const BIGNUM *r, *s;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
441 int rlen, slen;
12735
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
442 unsigned char rb[MAX_ECDSA_SIG_INT_BYTES];
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
443 unsigned char sb[MAX_ECDSA_SIG_INT_BYTES];
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
444
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
445 if(sig_int_bytes > MAX_ECDSA_SIG_INT_BYTES) {
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
446 luaL_error(L, "requested signature size exceeds supported limit");
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
447 }
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
448
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
449 sig = d2i_ECDSA_SIG(NULL, &sig_der, sig_der_len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
450
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
451 if(sig == NULL) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
452 lua_pushnil(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
453 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
454 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
455
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
456 ECDSA_SIG_get0(sig, &r, &s);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
457
12735
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
458 rlen = BN_bn2binpad(r, rb, sig_int_bytes);
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
459 slen = BN_bn2binpad(s, sb, sig_int_bytes);
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
460
12735
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
461 if (rlen == -1 || slen == -1) {
12714
82bca7191f13 util.crypto: Use stack space buffers
Kim Alvefur <zash@zash.se>
parents: 12702
diff changeset
462 ECDSA_SIG_free(sig);
12735
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
463 luaL_error(L, "encoded integers exceed requested size");
12714
82bca7191f13 util.crypto: Use stack space buffers
Kim Alvefur <zash@zash.se>
parents: 12702
diff changeset
464 }
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
465
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
466 ECDSA_SIG_free(sig);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
467
12714
82bca7191f13 util.crypto: Use stack space buffers
Kim Alvefur <zash@zash.se>
parents: 12702
diff changeset
468 lua_pushlstring(L, (const char*)rb, rlen);
82bca7191f13 util.crypto: Use stack space buffers
Kim Alvefur <zash@zash.se>
parents: 12702
diff changeset
469 lua_pushlstring(L, (const char*)sb, slen);
82bca7191f13 util.crypto: Use stack space buffers
Kim Alvefur <zash@zash.se>
parents: 12702
diff changeset
470
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
471 return 2;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
472 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
473
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
474 /* sig_der = build_ecdsa_signature(r, s) */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
475 static int Lbuild_ecdsa_signature(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
476 ECDSA_SIG *sig = ECDSA_SIG_new();
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
477 BIGNUM *r, *s;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
478 luaL_Buffer sigbuf;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
479
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
480 size_t rlen, slen;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
481 const unsigned char *rbin, *sbin;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
482
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
483 rbin = (unsigned char*)luaL_checklstring(L, 1, &rlen);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
484 sbin = (unsigned char*)luaL_checklstring(L, 2, &slen);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
485
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
486 r = BN_bin2bn(rbin, (int)rlen, NULL);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
487 s = BN_bin2bn(sbin, (int)slen, NULL);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
488
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
489 ECDSA_SIG_set0(sig, r, s);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
490
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
491 luaL_buffinit(L, &sigbuf);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
492
12735
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
493 /* DER structure of an ECDSA signature has 7 bytes plus the integers themselves,
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
494 which may gain an extra byte once encoded */
445f7bd6ffc4 util.crypto, util.jwt: Generate consistent signature sizes (via padding)
Matthew Wild <mwild1@gmail.com>
parents: 12715
diff changeset
495 unsigned char *buffer = (unsigned char*)luaL_prepbuffsize(&sigbuf, (rlen+1)+(slen+1)+7);
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
496 int len = i2d_ECDSA_SIG(sig, &buffer);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
497 luaL_addsize(&sigbuf, len);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
498 luaL_pushresult(&sigbuf);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
499
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
500 ECDSA_SIG_free(sig);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
501
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
502 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
503 }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
504
12702
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
505 #define REG_SIGN_VERIFY(algorithm, digest) \
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
506 { #algorithm "_" #digest "_sign", L ## algorithm ## _ ## digest ## _sign },\
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
507 { #algorithm "_" #digest "_verify", L ## algorithm ## _ ## digest ## _verify },
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
508
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
509 #define IMPL_SIGN_VERIFY(algorithm, key_type, digest) \
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
510 static int L ## algorithm ## _ ## digest ## _sign(lua_State *L) { \
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
511 return base_evp_sign(L, key_type, EVP_ ## digest()); \
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
512 } \
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
513 static int L ## algorithm ## _ ## digest ## _verify(lua_State *L) { \
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
514 return base_evp_verify(L, key_type, EVP_ ## digest()); \
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
515 }
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
516
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
517 IMPL_SIGN_VERIFY(ecdsa, NID_X9_62_id_ecPublicKey, sha256)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
518 IMPL_SIGN_VERIFY(ecdsa, NID_X9_62_id_ecPublicKey, sha384)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
519 IMPL_SIGN_VERIFY(ecdsa, NID_X9_62_id_ecPublicKey, sha512)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
520
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
521 IMPL_SIGN_VERIFY(rsassa_pkcs1, NID_rsaEncryption, sha256)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
522 IMPL_SIGN_VERIFY(rsassa_pkcs1, NID_rsaEncryption, sha384)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
523 IMPL_SIGN_VERIFY(rsassa_pkcs1, NID_rsaEncryption, sha512)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
524
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
525 IMPL_SIGN_VERIFY(rsassa_pss, NID_rsassaPss, sha256)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
526 IMPL_SIGN_VERIFY(rsassa_pss, NID_rsassaPss, sha384)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
527 IMPL_SIGN_VERIFY(rsassa_pss, NID_rsassaPss, sha512)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
528
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
529 static const luaL_Reg Reg[] = {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
530 { "ed25519_sign", Led25519_sign },
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
531 { "ed25519_verify", Led25519_verify },
12702
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
532
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
533 REG_SIGN_VERIFY(ecdsa, sha256)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
534 REG_SIGN_VERIFY(ecdsa, sha384)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
535 REG_SIGN_VERIFY(ecdsa, sha512)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
536
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
537 REG_SIGN_VERIFY(rsassa_pkcs1, sha256)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
538 REG_SIGN_VERIFY(rsassa_pkcs1, sha384)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
539 REG_SIGN_VERIFY(rsassa_pkcs1, sha512)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
540
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
541 REG_SIGN_VERIFY(rsassa_pss, sha256)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
542 REG_SIGN_VERIFY(rsassa_pss, sha384)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
543 REG_SIGN_VERIFY(rsassa_pss, sha512)
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
544
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
545 { "aes_128_gcm_encrypt", Laes_128_gcm_encrypt },
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
546 { "aes_128_gcm_decrypt", Laes_128_gcm_decrypt },
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
547 { "aes_256_gcm_encrypt", Laes_256_gcm_encrypt },
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
548 { "aes_256_gcm_decrypt", Laes_256_gcm_decrypt },
12702
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
549
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
550 { "generate_ed25519_keypair", Lgenerate_ed25519_keypair },
12702
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
551
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
552 { "import_private_pem", Limport_private_pem },
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
553 { "import_public_pem", Limport_public_pem },
12702
f63176781940 util.crypto: More digests for sign/verify, use macros for clarity/consistency
Matthew Wild <mwild1@gmail.com>
parents: 12698
diff changeset
554
12693
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
555 { "parse_ecdsa_signature", Lparse_ecdsa_signature },
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
556 { "build_ecdsa_signature", Lbuild_ecdsa_signature },
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
557 { NULL, NULL }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
558 };
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
559
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
560 static const luaL_Reg KeyMethods[] = {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
561 { "private_pem", Lpkey_meth_private_pem },
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
562 { "public_pem", Lpkey_meth_public_pem },
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
563 { "get_type", Lpkey_meth_get_type },
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
564 { NULL, NULL }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
565 };
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
566
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
567 static const luaL_Reg KeyMetatable[] = {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
568 { "__gc", Lpkey_finalizer },
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
569 { NULL, NULL }
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
570 };
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
571
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
572 LUALIB_API int luaopen_util_crypto(lua_State *L) {
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
573 #if (LUA_VERSION_NUM > 501)
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
574 luaL_checkversion(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
575 #endif
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
576
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
577 /* Initialize pkey metatable */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
578 luaL_newmetatable(L, PKEY_MT_TAG);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
579 luaL_setfuncs(L, KeyMetatable, 0);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
580 lua_newtable(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
581 luaL_setfuncs(L, KeyMethods, 0);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
582 lua_setfield(L, -2, "__index");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
583 lua_pop(L, 1);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
584
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
585 /* Initialize lib table */
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
586 lua_newtable(L);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
587 luaL_setfuncs(L, Reg, 0);
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
588 lua_pushliteral(L, "-3.14");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
589 lua_setfield(L, -2, "version");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
590 #ifdef OPENSSL_VERSION
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
591 lua_pushstring(L, OpenSSL_version(OPENSSL_VERSION));
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
592 lua_setfield(L, -2, "_LIBCRYPTO_VERSION");
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
593 #endif
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
594 return 1;
7c5afbdcbc77 util.crypto: New wrapper for some operations in OpenSSL's libcrypto
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
595 }