prosody
e4de42495fb7
util-src/hashes.c

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util-src/hashes.c @ 12917:e4de42495fb7

mod_tokenauth: Gracefully handle missing tokens
author Matthew Wild <mwild1@gmail.com>
date Wed, 01 Mar 2023 18:43:54 +0000
parent 12844:a3ec87ad8e48
child 12976:a187600ec7d6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2923
b7049746bd29 Update copyright headers for 2010
Matthew Wild <mwild1@gmail.com>
parents: 896
diff changeset
1 /* Prosody IM
b7049746bd29 Update copyright headers for 2010
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2 -- Copyright (C) 2009-2010 Matthew Wild
b7049746bd29 Update copyright headers for 2010
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3 -- Copyright (C) 2009-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
520
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8 */
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9
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10 /*
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11 * hashes.c
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12 * Lua library for sha1, sha256 and md5 hashes
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13 */
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14
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15 #include <string.h>
5538
62089c9c142d util.hashes, util.sasl.scram: Implement SCRAM-SHA1's Hi in C
Florian Zeitz <florob@babelmonkeys.de>
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16 #include <stdlib.h>
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7656b9f06bb5 util.hashes: inttypes.h not available with MS Windows SDK, use MS specific __int32 instead.
Waqas Hussain <waqas20@gmail.com>
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17
7656b9f06bb5 util.hashes: inttypes.h not available with MS Windows SDK, use MS specific __int32 instead.
Waqas Hussain <waqas20@gmail.com>
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18 #ifdef _MSC_VER
7656b9f06bb5 util.hashes: inttypes.h not available with MS Windows SDK, use MS specific __int32 instead.
Waqas Hussain <waqas20@gmail.com>
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19 typedef unsigned __int32 uint32_t;
7656b9f06bb5 util.hashes: inttypes.h not available with MS Windows SDK, use MS specific __int32 instead.
Waqas Hussain <waqas20@gmail.com>
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20 #else
5538
62089c9c142d util.hashes, util.sasl.scram: Implement SCRAM-SHA1's Hi in C
Florian Zeitz <florob@babelmonkeys.de>
parents: 5537
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21 #include <inttypes.h>
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7656b9f06bb5 util.hashes: inttypes.h not available with MS Windows SDK, use MS specific __int32 instead.
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22 #endif
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23
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24 #include "lua.h"
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25 #include "lauxlib.h"
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13b84682518e util.hashes: Add constant-time string comparison (binding to CRYPTO_memcmp)
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26 #include <openssl/crypto.h>
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27 #include <openssl/sha.h>
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28 #include <openssl/md5.h>
9962
29bc3dff3419 util.hashes: Use HMAC function provided by OpenSSL (fixes #1345)
Kim Alvefur <zash@zash.se>
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29 #include <openssl/hmac.h>
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30 #include <openssl/evp.h>
12836
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
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31 #include <openssl/kdf.h>
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32 #include <openssl/err.h>
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33
6413
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34
12836
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
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35 /* Semi-arbitrary limit here. The actual theoretical limit
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Matthew Wild <mwild1@gmail.com>
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36 * is (255*(hash output octets)), but allocating 16KB on the
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
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37 * stack when in practice we only ever request a few dozen
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38 * bytes seems excessive.
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
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39 */
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40 #define MAX_HKDF_OUTPUT 256
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41
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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42 static const char *hex_tab = "0123456789abcdef";
94cacf9fd0ae util.*.c: Add static qualifiers everywhere
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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43 static void toHex(const unsigned char *in, int length, unsigned char *out) {
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44 int i;
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45
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46 for(i = 0; i < length; i++) {
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47 out[i * 2] = hex_tab[(in[i] >> 4) & 0xF];
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48 out[i * 2 + 1] = hex_tab[(in[i]) & 0xF];
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49 }
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50 }
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51
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865631ebb9f2 util.hashes: Refactor hash functions to use OpenSSL EVP methods (fix #1698)
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52 static int Levp_hash(lua_State *L, const EVP_MD *evp) {
865631ebb9f2 util.hashes: Refactor hash functions to use OpenSSL EVP methods (fix #1698)
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53 size_t len;
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54 unsigned int size = EVP_MAX_MD_SIZE;
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55 const char *s = luaL_checklstring(L, 1, &len);
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56 int hex_out = lua_toboolean(L, 2);
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Kim Alvefur <zash@zash.se>
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57
865631ebb9f2 util.hashes: Refactor hash functions to use OpenSSL EVP methods (fix #1698)
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58 unsigned char hash[EVP_MAX_MD_SIZE], result[EVP_MAX_MD_SIZE * 2];
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59
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60 EVP_MD_CTX *ctx = EVP_MD_CTX_new();
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61
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62 if(ctx == NULL) {
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63 goto fail;
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64 }
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65
865631ebb9f2 util.hashes: Refactor hash functions to use OpenSSL EVP methods (fix #1698)
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66 if(!EVP_DigestInit_ex(ctx, evp, NULL)) {
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67 goto fail;
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68 }
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Kim Alvefur <zash@zash.se>
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69
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70 if(!EVP_DigestUpdate(ctx, s, len)) {
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71 goto fail;
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72 }
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73
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74 if(!EVP_DigestFinal_ex(ctx, hash, &size)) {
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75 goto fail;
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76 }
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77
865631ebb9f2 util.hashes: Refactor hash functions to use OpenSSL EVP methods (fix #1698)
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78 EVP_MD_CTX_free(ctx);
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79
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80 if(hex_out) {
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81 toHex(hash, size, result);
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82 lua_pushlstring(L, (char *)result, size * 2);
865631ebb9f2 util.hashes: Refactor hash functions to use OpenSSL EVP methods (fix #1698)
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83 } else {
865631ebb9f2 util.hashes: Refactor hash functions to use OpenSSL EVP methods (fix #1698)
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84 lua_pushlstring(L, (char *)hash, size);
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85 }
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86
865631ebb9f2 util.hashes: Refactor hash functions to use OpenSSL EVP methods (fix #1698)
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87 return 1;
865631ebb9f2 util.hashes: Refactor hash functions to use OpenSSL EVP methods (fix #1698)
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88
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diff changeset
89 fail:
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diff changeset
90 EVP_MD_CTX_free(ctx);
12565
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91 return luaL_error(L, ERR_error_string(ERR_get_error(), NULL));
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92 }
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
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93
12559
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diff changeset
94 static int Lsha1(lua_State *L) {
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95 return Levp_hash(L, EVP_sha1());
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96 }
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97
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98 static int Lsha224(lua_State *L) {
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99 return Levp_hash(L, EVP_sha224());
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100 }
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101
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102 static int Lsha256(lua_State *L) {
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103 return Levp_hash(L, EVP_sha256());
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104 }
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105
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106 static int Lsha384(lua_State *L) {
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107 return Levp_hash(L, EVP_sha384());
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108 }
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109
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110 static int Lsha512(lua_State *L) {
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111 return Levp_hash(L, EVP_sha512());
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112 }
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113
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114 static int Lmd5(lua_State *L) {
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115 return Levp_hash(L, EVP_md5());
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diff changeset
116 }
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117
12563
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
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118 static int Lblake2s256(lua_State *L) {
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
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diff changeset
119 return Levp_hash(L, EVP_blake2s256());
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
120 }
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
121
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
122 static int Lblake2b512(lua_State *L) {
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
123 return Levp_hash(L, EVP_blake2b512());
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
124 }
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
125
12564
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
126 static int Lsha3_256(lua_State *L) {
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
127 return Levp_hash(L, EVP_sha3_256());
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
128 }
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
129
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
130 static int Lsha3_512(lua_State *L) {
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
131 return Levp_hash(L, EVP_sha3_512());
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
132 }
12563
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
133
12560
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
134 static int Levp_hmac(lua_State *L, const EVP_MD *evp) {
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
135 unsigned char hash[EVP_MAX_MD_SIZE], result[EVP_MAX_MD_SIZE * 2];
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
136 size_t key_len, msg_len;
12568
fc6213104d78 util.hashes: Revert to HMAC() convenience function
Kim Alvefur <zash@zash.se>
parents: 12567
diff changeset
137 unsigned int out_len = EVP_MAX_MD_SIZE;
12560
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
138 const char *key = luaL_checklstring(L, 1, &key_len);
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
139 const char *msg = luaL_checklstring(L, 2, &msg_len);
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
140 const int hex_out = lua_toboolean(L, 3);
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
141
12568
fc6213104d78 util.hashes: Revert to HMAC() convenience function
Kim Alvefur <zash@zash.se>
parents: 12567
diff changeset
142 if(HMAC(evp, key, key_len, (const unsigned char*)msg, msg_len, (unsigned char*)hash, &out_len) == NULL) {
12560
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
143 goto fail;
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
144 }
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
145
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
146 if(hex_out) {
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
147 toHex(hash, out_len, result);
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
148 lua_pushlstring(L, (char *)result, out_len * 2);
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
149 } else {
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
150 lua_pushlstring(L, (char *)hash, out_len);
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
151 }
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
152
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
153 return 1;
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
154
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
155 fail:
12565
2e0c7f5cd8f8 util.hashes: Return OpenSSL error messages on failure
Kim Alvefur <zash@zash.se>
parents: 12564
diff changeset
156 return luaL_error(L, ERR_error_string(ERR_get_error(), NULL));
5537
15464633d8fb util.hmac, util.hashes: Implement HMAC functions in C, and move to util.hashes
Florian Zeitz <florob@babelmonkeys.de>
parents: 4829
diff changeset
157 }
15464633d8fb util.hmac, util.hashes: Implement HMAC functions in C, and move to util.hashes
Florian Zeitz <florob@babelmonkeys.de>
parents: 4829
diff changeset
158
12560
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
159 static int Lhmac_sha1(lua_State *L) {
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
160 return Levp_hmac(L, EVP_sha1());
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
161 }
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
162
12561
adfb46a3e8a7 util.hashes: Expose sha224 and sha384 HMAC functions
Kim Alvefur <zash@zash.se>
parents: 12560
diff changeset
163 static int Lhmac_sha224(lua_State *L) {
adfb46a3e8a7 util.hashes: Expose sha224 and sha384 HMAC functions
Kim Alvefur <zash@zash.se>
parents: 12560
diff changeset
164 return Levp_hmac(L, EVP_sha224());
adfb46a3e8a7 util.hashes: Expose sha224 and sha384 HMAC functions
Kim Alvefur <zash@zash.se>
parents: 12560
diff changeset
165 }
adfb46a3e8a7 util.hashes: Expose sha224 and sha384 HMAC functions
Kim Alvefur <zash@zash.se>
parents: 12560
diff changeset
166
12560
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
167 static int Lhmac_sha256(lua_State *L) {
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
168 return Levp_hmac(L, EVP_sha256());
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
169 }
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
170
12561
adfb46a3e8a7 util.hashes: Expose sha224 and sha384 HMAC functions
Kim Alvefur <zash@zash.se>
parents: 12560
diff changeset
171 static int Lhmac_sha384(lua_State *L) {
adfb46a3e8a7 util.hashes: Expose sha224 and sha384 HMAC functions
Kim Alvefur <zash@zash.se>
parents: 12560
diff changeset
172 return Levp_hmac(L, EVP_sha384());
adfb46a3e8a7 util.hashes: Expose sha224 and sha384 HMAC functions
Kim Alvefur <zash@zash.se>
parents: 12560
diff changeset
173 }
adfb46a3e8a7 util.hashes: Expose sha224 and sha384 HMAC functions
Kim Alvefur <zash@zash.se>
parents: 12560
diff changeset
174
12560
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
175 static int Lhmac_sha512(lua_State *L) {
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
176 return Levp_hmac(L, EVP_sha512());
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
177 }
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
178
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
179 static int Lhmac_md5(lua_State *L) {
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
180 return Levp_hmac(L, EVP_md5());
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
181 }
1e41dd0f8353 util.hashes: Refactor HMAC bindings (fixes #1589)
Kim Alvefur <zash@zash.se>
parents: 12559
diff changeset
182
12564
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
183 static int Lhmac_sha3_256(lua_State *L) {
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
184 return Levp_hmac(L, EVP_sha3_256());
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
185 }
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
186
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
187 static int Lhmac_sha3_512(lua_State *L) {
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
188 return Levp_hmac(L, EVP_sha3_512());
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
189 }
36e769c64054 util.hashes: Add SHA3 bindings
Kim Alvefur <zash@zash.se>
parents: 12563
diff changeset
190
12563
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
191 static int Lhmac_blake2s256(lua_State *L) {
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
192 return Levp_hmac(L, EVP_blake2s256());
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
193 }
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
194
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
195 static int Lhmac_blake2b512(lua_State *L) {
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
196 return Levp_hmac(L, EVP_blake2b512());
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
197 }
d9a4e28689eb util.hashes: Bind BLAKE2 algoritms supported by OpenSSL
Kim Alvefur <zash@zash.se>
parents: 12562
diff changeset
198
5537
15464633d8fb util.hmac, util.hashes: Implement HMAC functions in C, and move to util.hashes
Florian Zeitz <florob@babelmonkeys.de>
parents: 4829
diff changeset
199
12562
4f4d096a14cb util.hashes: Refactor PBKDF2 to deduplicate code
Kim Alvefur <zash@zash.se>
parents: 12561
diff changeset
200 static int Levp_pbkdf2(lua_State *L, const EVP_MD *evp, size_t out_len) {
4f4d096a14cb util.hashes: Refactor PBKDF2 to deduplicate code
Kim Alvefur <zash@zash.se>
parents: 12561
diff changeset
201 unsigned char out[EVP_MAX_MD_SIZE];
9970
4a43feb9ab15 Backed out changeset 61bc5c52c941
Kim Alvefur <zash@zash.se>
parents: 9969
diff changeset
202
9965
d8e645b4d195 util.hashes: Use PBKDF2 from libcrypto
Kim Alvefur <zash@zash.se>
parents: 9963
diff changeset
203 size_t pass_len, salt_len;
d8e645b4d195 util.hashes: Use PBKDF2 from libcrypto
Kim Alvefur <zash@zash.se>
parents: 9963
diff changeset
204 const char *pass = luaL_checklstring(L, 1, &pass_len);
d8e645b4d195 util.hashes: Use PBKDF2 from libcrypto
Kim Alvefur <zash@zash.se>
parents: 9963
diff changeset
205 const unsigned char *salt = (unsigned char *)luaL_checklstring(L, 2, &salt_len);
5538
62089c9c142d util.hashes, util.sasl.scram: Implement SCRAM-SHA1's Hi in C
Florian Zeitz <florob@babelmonkeys.de>
parents: 5537
diff changeset
206 const int iter = luaL_checkinteger(L, 3);
62089c9c142d util.hashes, util.sasl.scram: Implement SCRAM-SHA1's Hi in C
Florian Zeitz <florob@babelmonkeys.de>
parents: 5537
diff changeset
207
12562
4f4d096a14cb util.hashes: Refactor PBKDF2 to deduplicate code
Kim Alvefur <zash@zash.se>
parents: 12561
diff changeset
208 if(PKCS5_PBKDF2_HMAC(pass, pass_len, salt, salt_len, iter, evp, out_len, out) == 0) {
12565
2e0c7f5cd8f8 util.hashes: Return OpenSSL error messages on failure
Kim Alvefur <zash@zash.se>
parents: 12564
diff changeset
209 return luaL_error(L, ERR_error_string(ERR_get_error(), NULL));
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6413
diff changeset
210 }
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6413
diff changeset
211
12562
4f4d096a14cb util.hashes: Refactor PBKDF2 to deduplicate code
Kim Alvefur <zash@zash.se>
parents: 12561
diff changeset
212 lua_pushlstring(L, (char *)out, out_len);
5538
62089c9c142d util.hashes, util.sasl.scram: Implement SCRAM-SHA1's Hi in C
Florian Zeitz <florob@babelmonkeys.de>
parents: 5537
diff changeset
213
62089c9c142d util.hashes, util.sasl.scram: Implement SCRAM-SHA1's Hi in C
Florian Zeitz <florob@babelmonkeys.de>
parents: 5537
diff changeset
214 return 1;
62089c9c142d util.hashes, util.sasl.scram: Implement SCRAM-SHA1's Hi in C
Florian Zeitz <florob@babelmonkeys.de>
parents: 5537
diff changeset
215 }
62089c9c142d util.hashes, util.sasl.scram: Implement SCRAM-SHA1's Hi in C
Florian Zeitz <florob@babelmonkeys.de>
parents: 5537
diff changeset
216
12562
4f4d096a14cb util.hashes: Refactor PBKDF2 to deduplicate code
Kim Alvefur <zash@zash.se>
parents: 12561
diff changeset
217 static int Lpbkdf2_sha1(lua_State *L) {
4f4d096a14cb util.hashes: Refactor PBKDF2 to deduplicate code
Kim Alvefur <zash@zash.se>
parents: 12561
diff changeset
218 return Levp_pbkdf2(L, EVP_sha1(), SHA_DIGEST_LENGTH);
4f4d096a14cb util.hashes: Refactor PBKDF2 to deduplicate code
Kim Alvefur <zash@zash.se>
parents: 12561
diff changeset
219 }
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6413
diff changeset
220
9968
d536796a305f util.hashes: Add PBKDF2-HMAC-SHA256
Kim Alvefur <zash@zash.se>
parents: 9967
diff changeset
221 static int Lpbkdf2_sha256(lua_State *L) {
12562
4f4d096a14cb util.hashes: Refactor PBKDF2 to deduplicate code
Kim Alvefur <zash@zash.se>
parents: 12561
diff changeset
222 return Levp_pbkdf2(L, EVP_sha256(), SHA256_DIGEST_LENGTH);
5538
62089c9c142d util.hashes, util.sasl.scram: Implement SCRAM-SHA1's Hi in C
Florian Zeitz <florob@babelmonkeys.de>
parents: 5537
diff changeset
223 }
62089c9c142d util.hashes, util.sasl.scram: Implement SCRAM-SHA1's Hi in C
Florian Zeitz <florob@babelmonkeys.de>
parents: 5537
diff changeset
224
12836
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
parents: 12575
diff changeset
225
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
parents: 12575
diff changeset
226 /* HKDF(length, input, salt, info) */
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
parents: 12575
diff changeset
227 static int Levp_hkdf(lua_State *L, const EVP_MD *evp) {
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
parents: 12575
diff changeset
228 unsigned char out[MAX_HKDF_OUTPUT];
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
parents: 12575
diff changeset
229
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
parents: 12575
diff changeset
230 size_t input_len, salt_len, info_len;
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
parents: 12575
diff changeset
231 size_t actual_out_len = luaL_checkinteger(L, 1);
12844
a3ec87ad8e48 util.hashes: Silence compiler warning about char pointer signedness
Kim Alvefur <zash@zash.se>
parents: 12836
diff changeset
232 const unsigned char *input = (unsigned char *)luaL_checklstring(L, 2, &input_len);
12836
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
parents: 12575
diff changeset
233 const unsigned char *salt = (unsigned char *)luaL_optlstring(L, 3, NULL, &salt_len);
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
parents: 12575
diff changeset
234 const unsigned char *info = (unsigned char *)luaL_checklstring(L, 4, &info_len);
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
parents: 12575
diff changeset
235
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
parents: 12575
diff changeset
236 if(actual_out_len > MAX_HKDF_OUTPUT)
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
parents: 12575
diff changeset
237 return luaL_error(L, "desired output length %ul exceeds internal limit %ul", actual_out_len, MAX_HKDF_OUTPUT);
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
parents: 12575
diff changeset
238
dbe9781fd278 util.hashes: Add HKDF-HMAC-SHA256/HKDF-HMAC-SHA384
Matthew Wild <mwild1@gmail.com>
parents: 12575
diff changeset
239 EVP_PKEY_CTX *pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL);
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240
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241 if (EVP_PKEY_derive_init(pctx) <= 0)
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242 return luaL_error(L, ERR_error_string(ERR_get_error(), NULL));
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243
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244 if (EVP_PKEY_CTX_set_hkdf_md(pctx, evp) <= 0)
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245 return luaL_error(L, ERR_error_string(ERR_get_error(), NULL));
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246
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247 if(salt != NULL) {
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248 if (EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt, salt_len) <= 0)
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249 return luaL_error(L, ERR_error_string(ERR_get_error(), NULL));
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250 }
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251
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252 if (EVP_PKEY_CTX_set1_hkdf_key(pctx, input, input_len) <= 0)
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253 return luaL_error(L, ERR_error_string(ERR_get_error(), NULL));
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254
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255 if (EVP_PKEY_CTX_add1_hkdf_info(pctx, info, info_len) <= 0)
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256 return luaL_error(L, ERR_error_string(ERR_get_error(), NULL));
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257
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258 if (EVP_PKEY_derive(pctx, out, &actual_out_len) <= 0)
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259 return luaL_error(L, ERR_error_string(ERR_get_error(), NULL));
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260
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261 lua_pushlstring(L, (char *)out, actual_out_len);
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262
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263 return 1;
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264 }
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265
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266 static int Lhkdf_sha256(lua_State *L) {
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267 return Levp_hkdf(L, EVP_sha256());
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268 }
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269
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270 static int Lhkdf_sha384(lua_State *L) {
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271 return Levp_hkdf(L, EVP_sha384());
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272 }
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273
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274 static int Lhash_equals(lua_State *L) {
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275 size_t len1, len2;
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276 const char *s1 = luaL_checklstring(L, 1, &len1);
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277 const char *s2 = luaL_checklstring(L, 2, &len2);
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278 if(len1 == len2) {
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279 lua_pushboolean(L, CRYPTO_memcmp(s1, s2, len1) == 0);
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280 } else {
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281 lua_pushboolean(L, 0);
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282 }
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283 return 1;
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284 }
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285
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286 static const luaL_Reg Reg[] = {
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287 { "sha1", Lsha1 },
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288 { "sha224", Lsha224 },
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289 { "sha256", Lsha256 },
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290 { "sha384", Lsha384 },
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291 { "sha512", Lsha512 },
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diff changeset
292 { "md5", Lmd5 },
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293 { "sha3_256", Lsha3_256 },
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294 { "sha3_512", Lsha3_512 },
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295 { "blake2s256", Lblake2s256 },
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296 { "blake2b512", Lblake2b512 },
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297 { "hmac_sha1", Lhmac_sha1 },
12561
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diff changeset
298 { "hmac_sha224", Lhmac_sha224 },
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diff changeset
299 { "hmac_sha256", Lhmac_sha256 },
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300 { "hmac_sha384", Lhmac_sha384 },
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diff changeset
301 { "hmac_sha512", Lhmac_sha512 },
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diff changeset
302 { "hmac_md5", Lhmac_md5 },
12564
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diff changeset
303 { "hmac_sha3_256", Lhmac_sha3_256 },
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diff changeset
304 { "hmac_sha3_512", Lhmac_sha3_512 },
12563
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diff changeset
305 { "hmac_blake2s256", Lhmac_blake2s256 },
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parents: 12562
diff changeset
306 { "hmac_blake2b512", Lhmac_blake2b512 },
9967
dc9bb31cbffe util.hashes: Rename PBKDF2 function
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parents: 9966
diff changeset
307 { "scram_Hi_sha1", Lpbkdf2_sha1 }, /* COMPAT */
dc9bb31cbffe util.hashes: Rename PBKDF2 function
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parents: 9966
diff changeset
308 { "pbkdf2_hmac_sha1", Lpbkdf2_sha1 },
9968
d536796a305f util.hashes: Add PBKDF2-HMAC-SHA256
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parents: 9967
diff changeset
309 { "pbkdf2_hmac_sha256", Lpbkdf2_sha256 },
12836
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diff changeset
310 { "hkdf_hmac_sha256", Lhkdf_sha256 },
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parents: 12575
diff changeset
311 { "hkdf_hmac_sha384", Lhkdf_sha384 },
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diff changeset
312 { "equals", Lhash_equals },
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diff changeset
313 { NULL, NULL }
766
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
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parents: 520
diff changeset
314 };
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
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parents: 520
diff changeset
315
7889
b8d694646597 util-src/*.c: Attach pointer * to name instead of type
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parents: 7835
diff changeset
316 LUALIB_API int luaopen_util_hashes(lua_State *L) {
7818
54669df178c2 util-src: Make C modules assert that the Lua runtime matches what it was compiled for
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parents: 6789
diff changeset
317 luaL_checkversion(L);
6411
6c8f6364bc48 util-src/*.c: Don't create globals when loaded
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parents: 5774
diff changeset
318 lua_newtable(L);
9957
c8cfd2a5845c util.hashes: Remove redundant semicolon
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parents: 7889
diff changeset
319 luaL_setfuncs(L, Reg, 0);
766
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parents: 520
diff changeset
320 lua_pushliteral(L, "-3.14");
6412
0e94f89d0e62 util-src/*.c: Use the more concise lua_setfield
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parents: 6411
diff changeset
321 lua_setfield(L, -2, "version");
11562
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parents: 11560
diff changeset
322 #ifdef OPENSSL_VERSION
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diff changeset
323 lua_pushstring(L, OpenSSL_version(OPENSSL_VERSION));
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diff changeset
324 lua_setfield(L, -2, "_LIBCRYPTO_VERSION");
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parents: 11560
diff changeset
325 #endif
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diff changeset
326 return 1;
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
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parents: 520
diff changeset
327 }