1 #ifndef _DESHA1_H 2 #define _DESHA1_H 3 /*------------------------------------------------------------------------- 4 * drawElements Base Portability Library 5 * ------------------------------------- 6 * 7 * Copyright 2015 The Android Open Source Project 8 * 9 * Licensed under the Apache License, Version 2.0 (the "License"); 10 * you may not use this file except in compliance with the License. 11 * You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 * 21 *//*! 22 * \file 23 * \brief SHA1 hash functions. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "deDefs.h" 27 28 DE_BEGIN_EXTERN_C 29 30 typedef struct deSha1Stream_s 31 { 32 uint64_t size; 33 uint32_t hash[5]; 34 35 uint32_t data[80]; 36 } deSha1Stream; 37 38 typedef struct deSha1_s 39 { 40 uint32_t hash[5]; 41 } deSha1; 42 43 /* Initialize sha1 stream. */ 44 void deSha1Stream_init(deSha1Stream *stream); 45 46 /* Process single 512bit chunk. */ 47 void deSha1Stream_process(deSha1Stream *stream, size_t size, const void *data); 48 49 /* Finalize the stream and output the hash. */ 50 void deSha1Stream_finalize(deSha1Stream *stream, deSha1 *hash); 51 52 /* Compute the sha1 hash from data. */ 53 void deSha1_compute(deSha1 *hash, size_t size, const void *data); 54 55 /* Render sha1 hash as 40 digit hex string. */ 56 void deSha1_render(const deSha1 *hash, char *buffer); 57 58 /* Parse sha1 from 40 digit hex string. */ 59 bool deSha1_parse(deSha1 *hash, const char *buffer); 60 61 /* Compare hashes for equality. */ 62 bool deSha1_equal(const deSha1 *a, const deSha1 *b); 63 64 void deSha1_selfTest(void); 65 66 DE_END_EXTERN_C 67 68 #endif /* _DESHA1_H */ 69