1*ebfedea0SLionel Sambuc /* $NetBSD: hmac.h,v 1.1.1.2 2011/04/14 14:08:32 elric Exp $ */ 2*ebfedea0SLionel Sambuc 3*ebfedea0SLionel Sambuc /* 4*ebfedea0SLionel Sambuc * Copyright (c) 2005 Kungliga Tekniska Högskolan 5*ebfedea0SLionel Sambuc * (Royal Institute of Technology, Stockholm, Sweden). 6*ebfedea0SLionel Sambuc * All rights reserved. 7*ebfedea0SLionel Sambuc * 8*ebfedea0SLionel Sambuc * Redistribution and use in source and binary forms, with or without 9*ebfedea0SLionel Sambuc * modification, are permitted provided that the following conditions 10*ebfedea0SLionel Sambuc * are met: 11*ebfedea0SLionel Sambuc * 12*ebfedea0SLionel Sambuc * 1. Redistributions of source code must retain the above copyright 13*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer. 14*ebfedea0SLionel Sambuc * 15*ebfedea0SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright 16*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer in the 17*ebfedea0SLionel Sambuc * documentation and/or other materials provided with the distribution. 18*ebfedea0SLionel Sambuc * 19*ebfedea0SLionel Sambuc * 3. Neither the name of the Institute nor the names of its contributors 20*ebfedea0SLionel Sambuc * may be used to endorse or promote products derived from this software 21*ebfedea0SLionel Sambuc * without specific prior written permission. 22*ebfedea0SLionel Sambuc * 23*ebfedea0SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24*ebfedea0SLionel Sambuc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25*ebfedea0SLionel Sambuc * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26*ebfedea0SLionel Sambuc * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27*ebfedea0SLionel Sambuc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28*ebfedea0SLionel Sambuc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29*ebfedea0SLionel Sambuc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30*ebfedea0SLionel Sambuc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31*ebfedea0SLionel Sambuc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32*ebfedea0SLionel Sambuc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33*ebfedea0SLionel Sambuc * SUCH DAMAGE. 34*ebfedea0SLionel Sambuc */ 35*ebfedea0SLionel Sambuc 36*ebfedea0SLionel Sambuc /* Id */ 37*ebfedea0SLionel Sambuc 38*ebfedea0SLionel Sambuc #ifndef HEIM_HMAC_H 39*ebfedea0SLionel Sambuc #define HEIM_HMAC_H 1 40*ebfedea0SLionel Sambuc 41*ebfedea0SLionel Sambuc #include <hcrypto/evp.h> 42*ebfedea0SLionel Sambuc 43*ebfedea0SLionel Sambuc /* symbol renaming */ 44*ebfedea0SLionel Sambuc #define HMAC_CTX_init hc_HMAC_CTX_init 45*ebfedea0SLionel Sambuc #define HMAC_CTX_cleanup hc_HMAC_CTX_cleanup 46*ebfedea0SLionel Sambuc #define HMAC_size hc_HMAC_size 47*ebfedea0SLionel Sambuc #define HMAC_Init_ex hc_HMAC_Init_ex 48*ebfedea0SLionel Sambuc #define HMAC_Update hc_HMAC_Update 49*ebfedea0SLionel Sambuc #define HMAC_Final hc_HMAC_Final 50*ebfedea0SLionel Sambuc #define HMAC hc_HMAC 51*ebfedea0SLionel Sambuc 52*ebfedea0SLionel Sambuc /* 53*ebfedea0SLionel Sambuc * 54*ebfedea0SLionel Sambuc */ 55*ebfedea0SLionel Sambuc 56*ebfedea0SLionel Sambuc #define HMAC_MAX_MD_CBLOCK 64 57*ebfedea0SLionel Sambuc 58*ebfedea0SLionel Sambuc typedef struct hc_HMAC_CTX HMAC_CTX; 59*ebfedea0SLionel Sambuc 60*ebfedea0SLionel Sambuc struct hc_HMAC_CTX { 61*ebfedea0SLionel Sambuc const EVP_MD *md; 62*ebfedea0SLionel Sambuc ENGINE *engine; 63*ebfedea0SLionel Sambuc EVP_MD_CTX *ctx; 64*ebfedea0SLionel Sambuc size_t key_length; 65*ebfedea0SLionel Sambuc void *opad; 66*ebfedea0SLionel Sambuc void *ipad; 67*ebfedea0SLionel Sambuc void *buf; 68*ebfedea0SLionel Sambuc }; 69*ebfedea0SLionel Sambuc 70*ebfedea0SLionel Sambuc 71*ebfedea0SLionel Sambuc void HMAC_CTX_init(HMAC_CTX *); 72*ebfedea0SLionel Sambuc void HMAC_CTX_cleanup(HMAC_CTX *ctx); 73*ebfedea0SLionel Sambuc 74*ebfedea0SLionel Sambuc size_t HMAC_size(const HMAC_CTX *ctx); 75*ebfedea0SLionel Sambuc 76*ebfedea0SLionel Sambuc void HMAC_Init_ex(HMAC_CTX *, const void *, size_t, 77*ebfedea0SLionel Sambuc const EVP_MD *, ENGINE *); 78*ebfedea0SLionel Sambuc void HMAC_Update(HMAC_CTX *ctx, const void *data, size_t len); 79*ebfedea0SLionel Sambuc void HMAC_Final(HMAC_CTX *ctx, void *md, unsigned int *len); 80*ebfedea0SLionel Sambuc 81*ebfedea0SLionel Sambuc void * HMAC(const EVP_MD *evp_md, const void *key, size_t key_len, 82*ebfedea0SLionel Sambuc const void *data, size_t n, void *md, unsigned int *md_len); 83*ebfedea0SLionel Sambuc 84*ebfedea0SLionel Sambuc #endif /* HEIM_HMAC_H */ 85