prosody
ec17115e3721
util/random.lua

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util/random.lua @ 7078:ec17115e3721

Merge 0.9->0.10
author Kim Alvefur <zash@zash.se>
date Mon, 11 Jan 2016 15:33:18 +0100
parent 7050:ae044691de0f
child 7083:ac920b0f9eae
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bd812a7713ad util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
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1 -- Prosody IM
bd812a7713ad util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
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2 -- Copyright (C) 2008-2014 Matthew Wild
bd812a7713ad util.random: Generic util lib for generating strings of random bytes
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3 -- Copyright (C) 2008-2014 Waqas Hussain
bd812a7713ad util.random: Generic util lib for generating strings of random bytes
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4 --
bd812a7713ad util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
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5 -- This project is MIT/X11 licensed. Please see the
bd812a7713ad util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
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6 -- COPYING file in the source package for more information.
bd812a7713ad util.random: Generic util lib for generating strings of random bytes
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7 --
bd812a7713ad util.random: Generic util lib for generating strings of random bytes
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8
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9 local urandom = assert(io.open("/dev/urandom", "r+"));
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10
bd812a7713ad util.random: Generic util lib for generating strings of random bytes
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11 local function seed(x)
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12 urandom:write(x);
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13 urandom:flush();
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14 end
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15
bd812a7713ad util.random: Generic util lib for generating strings of random bytes
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16 local function bytes(n)
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17 return urandom:read(n);
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18 end
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19
bd812a7713ad util.random: Generic util lib for generating strings of random bytes
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20 return {
bd812a7713ad util.random: Generic util lib for generating strings of random bytes
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21 seed = seed;
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22 bytes = bytes;
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23 };