openssl/crypto/chacha/chacha.h - Issue 2072073002: Delete bundled copy of OpenSSL and replace with README.

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Issue 2072073002: Delete bundled copy of OpenSSL and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master

Patch Set: Delete bundled copy of OpenSSL and replace with README. Created 4 years, 6 months ago

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1 /*

2 * Chacha stream algorithm.

3 *

4 * Created on: Jun, 2013

5 * Author: Elie Bursztein (elieb@google.com)

6 *

7 * Adapted from the estream code by D. Bernstein.

8 */

9 /* ====================================================================

10 * Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.

11 *

12 * Redistribution and use in source and binary forms, with or without

13 * modification, are permitted provided that the following conditions

14 * are met:

15 *

16 * 1. Redistributions of source code must retain the above copyright

17 * notice, this list of conditions and the following disclaimer.

18 *

19 * 2. Redistributions in binary form must reproduce the above copyright

20 * notice, this list of conditions and the following disclaimer in

21 * the documentation and/or other materials provided with the

22 * distribution.

23 *

24 * 3. All advertising materials mentioning features or use of this

25 * software must display the following acknowledgment:

26 * "This product includes software developed by the OpenSSL Project

27 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"

28 *

29 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to

30 * endorse or promote products derived from this software without

31 * prior written permission. For written permission, please contact

32 * licensing@OpenSSL.org.

33 *

34 * 5. Products derived from this software may not be called "OpenSSL"

35 * nor may "OpenSSL" appear in their names without prior written

36 * permission of the OpenSSL Project.

37 *

38 * 6. Redistributions of any form whatsoever must retain the following

39 * acknowledgment:

40 * "This product includes software developed by the OpenSSL Project

41 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"

42 *

43 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY

44 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

46 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR

47 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

48 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

49 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

50 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

51 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

52 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

53 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

54 * OF THE POSSIBILITY OF SUCH DAMAGE.

55 * ====================================================================

56 */

57 #ifndef HEADER_CHACHA_H

58 #define HEADER_CHACHA_H

59

60 #include <openssl/opensslconf.h>

61

62 #if defined(OPENSSL_NO_CHACHA)

63 #error ChaCha support is disabled.

64 #endif

65

66 #include <stddef.h>

67

68 #ifdef __cplusplus

69 extern "C" {

70 #endif

71

72 /* CRYPTO_chacha_20 encrypts \|in_len\| bytes from \|in\| with the given key and

73 * nonce and writes the result to \|out\|, which may be equal to \|in\|. The

74 * initial block counter is specified by \|counter\|. */

75 void CRYPTO_chacha_20(unsigned char *out,

76 const unsigned char *in, size_t in_len,

77 const unsigned char key[32],

78 const unsigned char nonce[8],

79 size_t counter);

80

81 #ifdef __cplusplus

82 }

83 #endif

84

85 #endif

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