You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
109 lines
4.4 KiB
109 lines
4.4 KiB
/* crypto/hmac/hmac.h */ |
|
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
|
* All rights reserved. |
|
* |
|
* This package is an SSL implementation written |
|
* by Eric Young (eay@cryptsoft.com). |
|
* The implementation was written so as to conform with Netscapes SSL. |
|
* |
|
* This library is free for commercial and non-commercial use as long as |
|
* the following conditions are aheared to. The following conditions |
|
* apply to all code found in this distribution, be it the RC4, RSA, |
|
* lhash, DES, etc., code; not just the SSL code. The SSL documentation |
|
* included with this distribution is covered by the same copyright terms |
|
* except that the holder is Tim Hudson (tjh@cryptsoft.com). |
|
* |
|
* Copyright remains Eric Young's, and as such any Copyright notices in |
|
* the code are not to be removed. |
|
* If this package is used in a product, Eric Young should be given attribution |
|
* as the author of the parts of the library used. |
|
* This can be in the form of a textual message at program startup or |
|
* in documentation (online or textual) provided with the package. |
|
* |
|
* Redistribution and use in source and binary forms, with or without |
|
* modification, are permitted provided that the following conditions |
|
* are met: |
|
* 1. Redistributions of source code must retain the copyright |
|
* notice, this list of conditions and the following disclaimer. |
|
* 2. Redistributions in binary form must reproduce the above copyright |
|
* notice, this list of conditions and the following disclaimer in the |
|
* documentation and/or other materials provided with the distribution. |
|
* 3. All advertising materials mentioning features or use of this software |
|
* must display the following acknowledgement: |
|
* "This product includes cryptographic software written by |
|
* Eric Young (eay@cryptsoft.com)" |
|
* The word 'cryptographic' can be left out if the rouines from the library |
|
* being used are not cryptographic related :-). |
|
* 4. If you include any Windows specific code (or a derivative thereof) from |
|
* the apps directory (application code) you must include an acknowledgement: |
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
|
* |
|
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
|
* SUCH DAMAGE. |
|
* |
|
* The licence and distribution terms for any publically available version or |
|
* derivative of this code cannot be changed. i.e. this code cannot simply be |
|
* copied and put under another distribution licence |
|
* [including the GNU Public Licence.] |
|
*/ |
|
#ifndef HEADER_HMAC_H |
|
# define HEADER_HMAC_H |
|
|
|
# include <openssl/opensslconf.h> |
|
|
|
# ifdef OPENSSL_NO_HMAC |
|
# error HMAC is disabled. |
|
# endif |
|
|
|
# include <openssl/evp.h> |
|
|
|
# define HMAC_MAX_MD_CBLOCK 128/* largest known is SHA512 */ |
|
|
|
#ifdef __cplusplus |
|
extern "C" { |
|
#endif |
|
|
|
typedef struct hmac_ctx_st { |
|
const EVP_MD *md; |
|
EVP_MD_CTX md_ctx; |
|
EVP_MD_CTX i_ctx; |
|
EVP_MD_CTX o_ctx; |
|
unsigned int key_length; |
|
unsigned char key[HMAC_MAX_MD_CBLOCK]; |
|
} HMAC_CTX; |
|
|
|
# define HMAC_size(e) (EVP_MD_size((e)->md)) |
|
|
|
void HMAC_CTX_init(HMAC_CTX *ctx); |
|
void HMAC_CTX_cleanup(HMAC_CTX *ctx); |
|
|
|
/* deprecated */ |
|
# define HMAC_cleanup(ctx) HMAC_CTX_cleanup(ctx) |
|
|
|
/* deprecated */ |
|
int HMAC_Init(HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md); |
|
int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len, |
|
const EVP_MD *md, ENGINE *impl); |
|
int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len); |
|
int HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len); |
|
unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len, |
|
const unsigned char *d, size_t n, unsigned char *md, |
|
unsigned int *md_len); |
|
int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx); |
|
|
|
void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags); |
|
|
|
#ifdef __cplusplus |
|
} |
|
#endif |
|
|
|
#endif
|
|
|