1db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root/* 2db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * Copyright 2007 The Android Open Source Project 3db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * 4db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * Redistribution and use in source and binary forms, with or without 5db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * modification, are permitted provided that the following conditions are met: 6db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * * Redistributions of source code must retain the above copyright 7db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * notice, this list of conditions and the following disclaimer. 8db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * * Redistributions in binary form must reproduce the above copyright 9db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * notice, this list of conditions and the following disclaimer in the 10db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * documentation and/or other materials provided with the distribution. 11db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * * Neither the name of Google Inc. nor the names of its contributors may 12db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * be used to endorse or promote products derived from this software 13db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * without specific prior written permission. 14db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * 15db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * THIS SOFTWARE IS PROVIDED BY Google Inc. ``AS IS'' AND ANY EXPRESS OR 16db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 17db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 18db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * EVENT SHALL Google Inc. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 21db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 22db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 24db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root */ 26db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root 27db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root#ifndef SYSTEM_CORE_INCLUDE_MINCRYPT_HASH_INTERNAL_H_ 28db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root#define SYSTEM_CORE_INCLUDE_MINCRYPT_HASH_INTERNAL_H_ 298e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker 308e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker#include <stdint.h> 318e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker 328e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker#ifdef __cplusplus 338e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongkerextern "C" { 348e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker#endif // __cplusplus 358e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker 368e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongkerstruct HASH_CTX; // forward decl 378e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker 388e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongkertypedef struct HASH_VTAB { 398e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker void (* const init)(struct HASH_CTX*); 408e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker void (* const update)(struct HASH_CTX*, const void*, int); 418e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker const uint8_t* (* const final)(struct HASH_CTX*); 428e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker const uint8_t* (* const hash)(const void*, int, uint8_t*); 438e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker int size; 448e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker} HASH_VTAB; 458e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker 468e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongkertypedef struct HASH_CTX { 478e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker const HASH_VTAB * f; 488e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker uint64_t count; 498e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker uint8_t buf[64]; 508e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker uint32_t state[8]; // upto SHA2 518e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker} HASH_CTX; 528e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker 538e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker#define HASH_init(ctx) (ctx)->f->init(ctx) 548e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker#define HASH_update(ctx, data, len) (ctx)->f->update(ctx, data, len) 558e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker#define HASH_final(ctx) (ctx)->f->final(ctx) 568e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker#define HASH_hash(data, len, digest) (ctx)->f->hash(data, len, digest) 578e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker#define HASH_size(ctx) (ctx)->f->size 588e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker 598e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker#ifdef __cplusplus 608e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker} 618e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker#endif // __cplusplus 628e5b63d045e988f13d1ee9b7797db28fde15bbfcDoug Zongker 63db0850c3b637faaa7cbe1bab2e6c91ad2af35426Kenny Root#endif // SYSTEM_CORE_INCLUDE_MINCRYPT_HASH_INTERNAL_H_ 64