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1 /* | 1 /* |
2 * Copyright (c) 1996, David Mazieres <dm@uun.org> | 2 * Copyright (c) 1996, David Mazieres <dm@uun.org> |
3 * Copyright (c) 2008, Damien Miller <djm@openbsd.org> | 3 * Copyright (c) 2008, Damien Miller <djm@openbsd.org> |
4 * | 4 * |
5 * Permission to use, copy, modify, and distribute this software for any | 5 * Permission to use, copy, modify, and distribute this software for any |
6 * purpose with or without fee is hereby granted, provided that the above | 6 * purpose with or without fee is hereby granted, provided that the above |
7 * copyright notice and this permission notice appear in all copies. | 7 * copyright notice and this permission notice appear in all copies. |
8 * | 8 * |
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
16 */ | 16 */ |
17 | 17 |
18 /* | 18 /* |
19 * Arc4 random number generator for OpenBSD. | 19 * Arc4 random number generator for OpenBSD. |
20 * | 20 * |
21 * This code is derived from section 17.1 of Applied Cryptography, | 21 * This code is derived from section 17.1 of Applied Cryptography, |
22 * second edition, which describes a stream cipher allegedly | 22 * second edition, which describes a stream cipher allegedly |
23 * compatible with RSA Labs "RC4" cipher (the actual description of | 23 * compatible with RSA Labs "RC4" cipher (the actual description of |
24 * which is a trade secret). The same algorithm is used as a stream | 24 * which is a trade secret). The same algorithm is used as a stream |
25 * cipher called "arcfour" in Tatu Ylonen's ssh package. | 25 * cipher called "arcfour" in Tatu Ylonen's ssh package. |
26 * | 26 * |
27 * RC4 is a registered trademark of RSA Laboratories. | 27 * RC4 is a registered trademark of RSA Laboratories. |
28 */ | 28 */ |
29 | 29 |
30 #include "sky/engine/config.h" | |
31 #include "sky/engine/wtf/CryptographicallyRandomNumber.h" | 30 #include "sky/engine/wtf/CryptographicallyRandomNumber.h" |
32 | 31 |
33 #include "sky/engine/wtf/StdLibExtras.h" | 32 #include "sky/engine/wtf/StdLibExtras.h" |
34 #include "sky/engine/wtf/Threading.h" | 33 #include "sky/engine/wtf/Threading.h" |
35 #include "sky/engine/wtf/ThreadingPrimitives.h" | 34 #include "sky/engine/wtf/ThreadingPrimitives.h" |
36 | 35 |
37 namespace WTF { | 36 namespace WTF { |
38 | 37 |
39 static RandomNumberSource sourceFunction; | 38 static RandomNumberSource sourceFunction; |
40 | 39 |
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176 { | 175 { |
177 return sharedRandomNumberGenerator().randomNumber(); | 176 return sharedRandomNumberGenerator().randomNumber(); |
178 } | 177 } |
179 | 178 |
180 void cryptographicallyRandomValues(void* buffer, size_t length) | 179 void cryptographicallyRandomValues(void* buffer, size_t length) |
181 { | 180 { |
182 sharedRandomNumberGenerator().randomValues(buffer, length); | 181 sharedRandomNumberGenerator().randomValues(buffer, length); |
183 } | 182 } |
184 | 183 |
185 } | 184 } |
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