diff options
Diffstat (limited to 'third_party/heimdal/lib/hcrypto/hmac.h')
-rw-r--r-- | third_party/heimdal/lib/hcrypto/hmac.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/hcrypto/hmac.h b/third_party/heimdal/lib/hcrypto/hmac.h new file mode 100644 index 0000000..cc99c87 --- /dev/null +++ b/third_party/heimdal/lib/hcrypto/hmac.h @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2005 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * 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 above 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. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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. + */ + +/* $Id$ */ + +#ifndef HEIM_HMAC_H +#define HEIM_HMAC_H 1 + +#include <hcrypto/evp.h> + +/* symbol renaming */ +#define HMAC_CTX_new hc_HMAC_CTX_new +#define HMAC_CTX_free hc_HMAC_CTX_free +#define HMAC_CTX_init hc_HMAC_CTX_init +#define HMAC_CTX_cleanup hc_HMAC_CTX_cleanup +#define HMAC_size hc_HMAC_size +#define HMAC_Init_ex hc_HMAC_Init_ex +#define HMAC_Update hc_HMAC_Update +#define HMAC_Final hc_HMAC_Final +#define HMAC hc_HMAC + +/* + * + */ + +#define HMAC_MAX_MD_CBLOCK 64 + +typedef struct hc_HMAC_CTX HMAC_CTX; + +struct hc_HMAC_CTX { + const EVP_MD *md; + ENGINE *engine; + EVP_MD_CTX *ctx; + size_t key_length; + void *opad; + void *ipad; + void *buf; +}; + + +void HMAC_CTX_init(HMAC_CTX *); +void HMAC_CTX_cleanup(HMAC_CTX *ctx); +HMAC_CTX *HMAC_CTX_new(void); +void HMAC_CTX_free(HMAC_CTX *ctx); + +size_t HMAC_size(const HMAC_CTX *ctx); + +int HMAC_Init_ex(HMAC_CTX *, const void *, size_t, + const EVP_MD *, ENGINE *); +void HMAC_Update(HMAC_CTX *ctx, const void *data, size_t len); +void HMAC_Final(HMAC_CTX *ctx, void *md, unsigned int *len); + +void * HMAC(const EVP_MD *evp_md, const void *key, size_t key_len, + const void *data, size_t n, void *md, unsigned int *md_len); + +#endif /* HEIM_HMAC_H */ |