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| 1 /* crypto/hmac/hmac.h */ | |
| 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * This package is an SSL implementation written | |
| 6 * by Eric Young (eay@cryptsoft.com). | |
| 7 * The implementation was written so as to conform with Netscapes SSL. | |
| 8 * | |
| 9 * This library is free for commercial and non-commercial use as long as | |
| 10 * the following conditions are aheared to. The following conditions | |
| 11 * apply to all code found in this distribution, be it the RC4, RSA, | |
| 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
| 13 * included with this distribution is covered by the same copyright terms | |
| 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
| 15 * | |
| 16 * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 17 * the code are not to be removed. | |
| 18 * If this package is used in a product, Eric Young should be given attribution | |
| 19 * as the author of the parts of the library used. | |
| 20 * This can be in the form of a textual message at program startup or | |
| 21 * in documentation (online or textual) provided with the package. | |
| 22 * | |
| 23 * Redistribution and use in source and binary forms, with or without | |
| 24 * modification, are permitted provided that the following conditions | |
| 25 * are met: | |
| 26 * 1. Redistributions of source code must retain the copyright | |
| 27 * notice, this list of conditions and the following disclaimer. | |
| 28 * 2. Redistributions in binary form must reproduce the above copyright | |
| 29 * notice, this list of conditions and the following disclaimer in the | |
| 30 * documentation and/or other materials provided with the distribution. | |
| 31 * 3. All advertising materials mentioning features or use of this software | |
| 32 * must display the following acknowledgement: | |
| 33 * "This product includes cryptographic software written by | |
| 34 * Eric Young (eay@cryptsoft.com)" | |
| 35 * The word 'cryptographic' can be left out if the rouines from the library | |
| 36 * being used are not cryptographic related :-). | |
| 37 * 4. If you include any Windows specific code (or a derivative thereof) from | |
| 38 * the apps directory (application code) you must include an acknowledgement: | |
| 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
| 40 * | |
| 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 51 * SUCH DAMAGE. | |
| 52 * | |
| 53 * The licence and distribution terms for any publically available version or | |
| 54 * derivative of this code cannot be changed. i.e. this code cannot simply be | |
| 55 * copied and put under another distribution licence | |
| 56 * [including the GNU Public Licence.] | |
| 57 */ | |
| 58 #ifndef HEADER_HMAC_H | |
| 59 #define HEADER_HMAC_H | |
| 60 | |
| 61 #include <openssl/opensslconf.h> | |
| 62 | |
| 63 #ifdef OPENSSL_NO_HMAC | |
| 64 #error HMAC is disabled. | |
| 65 #endif | |
| 66 | |
| 67 #include <openssl/evp.h> | |
| 68 | |
| 69 #define HMAC_MAX_MD_CBLOCK 128 /* largest known is SHA512 */ | |
| 70 | |
| 71 #ifdef __cplusplus | |
| 72 extern "C" { | |
| 73 #endif | |
| 74 | |
| 75 typedef struct hmac_ctx_st | |
| 76 { | |
| 77 const EVP_MD *md; | |
| 78 EVP_MD_CTX md_ctx; | |
| 79 EVP_MD_CTX i_ctx; | |
| 80 EVP_MD_CTX o_ctx; | |
| 81 unsigned int key_length; | |
| 82 unsigned char key[HMAC_MAX_MD_CBLOCK]; | |
| 83 } HMAC_CTX; | |
| 84 | |
| 85 #define HMAC_size(e) (EVP_MD_size((e)->md)) | |
| 86 | |
| 87 | |
| 88 void HMAC_CTX_init(HMAC_CTX *ctx); | |
| 89 void HMAC_CTX_cleanup(HMAC_CTX *ctx); | |
| 90 | |
| 91 #define HMAC_cleanup(ctx) HMAC_CTX_cleanup(ctx) /* deprecated */ | |
| 92 | |
| 93 int HMAC_Init(HMAC_CTX *ctx, const void *key, int len, | |
| 94 const EVP_MD *md); /* deprecated */ | |
| 95 int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len, | |
| 96 const EVP_MD *md, ENGINE *impl); | |
| 97 int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len); | |
| 98 int HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len); | |
| 99 unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len, | |
| 100 const unsigned char *d, size_t n, unsigned char *md, | |
| 101 unsigned int *md_len); | |
| 102 int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx); | |
| 103 | |
| 104 void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags); | |
| 105 | |
| 106 #ifdef __cplusplus | |
| 107 } | |
| 108 #endif | |
| 109 | |
| 110 #endif | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master