| 1 | /*
|
|---|
| 2 | * Copyright (c) 2005 Kungliga Tekniska Högskolan
|
|---|
| 3 | * (Royal Institute of Technology, Stockholm, Sweden).
|
|---|
| 4 | * All rights reserved.
|
|---|
| 5 | *
|
|---|
| 6 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 7 | * modification, are permitted provided that the following conditions
|
|---|
| 8 | * are met:
|
|---|
| 9 | *
|
|---|
| 10 | * 1. Redistributions of source code must retain the above copyright
|
|---|
| 11 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 12 | *
|
|---|
| 13 | * 2. Redistributions in binary form must reproduce the above copyright
|
|---|
| 14 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 15 | * documentation and/or other materials provided with the distribution.
|
|---|
| 16 | *
|
|---|
| 17 | * 3. Neither the name of the Institute nor the names of its contributors
|
|---|
| 18 | * may be used to endorse or promote products derived from this software
|
|---|
| 19 | * without specific prior written permission.
|
|---|
| 20 | *
|
|---|
| 21 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|---|
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|---|
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|---|
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|---|
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|---|
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|---|
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|---|
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|---|
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|---|
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|---|
| 31 | * SUCH DAMAGE.
|
|---|
| 32 | */
|
|---|
| 33 |
|
|---|
| 34 | /* $Id$ */
|
|---|
| 35 |
|
|---|
| 36 | #ifndef HEIM_HMAC_H
|
|---|
| 37 | #define HEIM_HMAC_H 1
|
|---|
| 38 |
|
|---|
| 39 | #include <hcrypto/evp.h>
|
|---|
| 40 |
|
|---|
| 41 | /* symbol renaming */
|
|---|
| 42 | #define HMAC_CTX_init hc_HMAC_CTX_init
|
|---|
| 43 | #define HMAC_CTX_cleanup hc_HMAC_CTX_cleanup
|
|---|
| 44 | #define HMAC_size hc_HMAC_size
|
|---|
| 45 | #define HMAC_Init_ex hc_HMAC_Init_ex
|
|---|
| 46 | #define HMAC_Update hc_HMAC_Update
|
|---|
| 47 | #define HMAC_Final hc_HMAC_Final
|
|---|
| 48 | #define HMAC hc_HMAC
|
|---|
| 49 |
|
|---|
| 50 | /*
|
|---|
| 51 | *
|
|---|
| 52 | */
|
|---|
| 53 |
|
|---|
| 54 | #define HMAC_MAX_MD_CBLOCK 64
|
|---|
| 55 |
|
|---|
| 56 | typedef struct hc_HMAC_CTX HMAC_CTX;
|
|---|
| 57 |
|
|---|
| 58 | struct hc_HMAC_CTX {
|
|---|
| 59 | const EVP_MD *md;
|
|---|
| 60 | ENGINE *engine;
|
|---|
| 61 | EVP_MD_CTX *ctx;
|
|---|
| 62 | size_t key_length;
|
|---|
| 63 | void *opad;
|
|---|
| 64 | void *ipad;
|
|---|
| 65 | void *buf;
|
|---|
| 66 | };
|
|---|
| 67 |
|
|---|
| 68 |
|
|---|
| 69 | void HMAC_CTX_init(HMAC_CTX *);
|
|---|
| 70 | void HMAC_CTX_cleanup(HMAC_CTX *ctx);
|
|---|
| 71 |
|
|---|
| 72 | size_t HMAC_size(const HMAC_CTX *ctx);
|
|---|
| 73 |
|
|---|
| 74 | void HMAC_Init_ex(HMAC_CTX *, const void *, size_t,
|
|---|
| 75 | const EVP_MD *, ENGINE *);
|
|---|
| 76 | void HMAC_Update(HMAC_CTX *ctx, const void *data, size_t len);
|
|---|
| 77 | void HMAC_Final(HMAC_CTX *ctx, void *md, unsigned int *len);
|
|---|
| 78 |
|
|---|
| 79 | void * HMAC(const EVP_MD *evp_md, const void *key, size_t key_len,
|
|---|
| 80 | const void *data, size_t n, void *md, unsigned int *md_len);
|
|---|
| 81 |
|
|---|
| 82 | #endif /* HEIM_HMAC_H */
|
|---|
