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Side by Side Diff: third_party/WebKit/Source/wtf/CryptographicallyRandomNumber.cpp

Issue 2700123003: DO NOT COMMIT: Results of running old (current) clang-format on Blink (Closed)
Patch Set: Created 3 years, 10 months ago
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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 #include "wtf/CryptographicallyRandomNumber.h" 18 #include "wtf/CryptographicallyRandomNumber.h"
19 19
20 #include <string.h>
20 #include "base/rand_util.h" 21 #include "base/rand_util.h"
21 #include <string.h>
22 22
23 namespace WTF { 23 namespace WTF {
24 24
25 static bool s_shouldUseAlwaysZeroRandomSourceForTesting = false; 25 static bool s_shouldUseAlwaysZeroRandomSourceForTesting = false;
26 26
27 void setAlwaysZeroRandomSourceForTesting() { 27 void setAlwaysZeroRandomSourceForTesting() {
28 s_shouldUseAlwaysZeroRandomSourceForTesting = true; 28 s_shouldUseAlwaysZeroRandomSourceForTesting = true;
29 } 29 }
30 30
31 uint32_t cryptographicallyRandomNumber() { 31 uint32_t cryptographicallyRandomNumber() {
32 uint32_t result; 32 uint32_t result;
33 cryptographicallyRandomValues(&result, sizeof(result)); 33 cryptographicallyRandomValues(&result, sizeof(result));
34 return result; 34 return result;
35 } 35 }
36 36
37 void cryptographicallyRandomValues(void* buffer, size_t length) { 37 void cryptographicallyRandomValues(void* buffer, size_t length) {
38 if (s_shouldUseAlwaysZeroRandomSourceForTesting) { 38 if (s_shouldUseAlwaysZeroRandomSourceForTesting) {
39 memset(buffer, '\0', length); 39 memset(buffer, '\0', length);
40 return; 40 return;
41 } 41 }
42 42
43 // This should really be crypto::RandBytes(), but WTF can't depend on crypto. 43 // This should really be crypto::RandBytes(), but WTF can't depend on crypto.
44 // The implementation of crypto::RandBytes() is just calling 44 // The implementation of crypto::RandBytes() is just calling
45 // base::RandBytes(), so both are actually same. 45 // base::RandBytes(), so both are actually same.
46 base::RandBytes(buffer, length); 46 base::RandBytes(buffer, length);
47 } 47 }
48 48
49 } // namespace WTF 49 } // namespace WTF
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