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Apache Portable Runtime
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sha2.h
00001 /* Licensed to the Apache Software Foundation (ASF) under one or more 00002 * contributor license agreements. See the NOTICE file distributed with 00003 * this work for additional information regarding copyright ownership. 00004 * The ASF licenses this file to You under the Apache License, Version 2.0 00005 * (the "License"); you may not use this file except in compliance with 00006 * the License. You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 /* 00017 * FILE: sha2.h 00018 * AUTHOR: Aaron D. Gifford <me@aarongifford.com> 00019 * 00020 * A licence was granted to the ASF by Aaron on 4 November 2003. 00021 */ 00022 00023 #ifndef __SHA2_H__ 00024 #define __SHA2_H__ 00025 00026 #ifdef __cplusplus 00027 extern "C" { 00028 #endif 00029 00030 #include "apr.h" 00031 00032 /*** SHA-256/384/512 Various Length Definitions ***********************/ 00033 #define SHA256_BLOCK_LENGTH 64 00034 #define SHA256_DIGEST_LENGTH 32 00035 #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) 00036 #define SHA384_BLOCK_LENGTH 128 00037 #define SHA384_DIGEST_LENGTH 48 00038 #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) 00039 #define SHA512_BLOCK_LENGTH 128 00040 #define SHA512_DIGEST_LENGTH 64 00041 #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) 00042 00043 00044 /*** SHA-256/384/512 Context Structures *******************************/ 00045 typedef struct _SHA256_CTX { 00046 apr_uint32_t state[8]; 00047 apr_uint64_t bitcount; 00048 apr_byte_t buffer[SHA256_BLOCK_LENGTH]; 00049 } SHA256_CTX; 00050 typedef struct _SHA512_CTX { 00051 apr_uint64_t state[8]; 00052 apr_uint64_t bitcount[2]; 00053 apr_byte_t buffer[SHA512_BLOCK_LENGTH]; 00054 } SHA512_CTX; 00055 00056 typedef SHA512_CTX SHA384_CTX; 00057 00058 00059 /*** SHA-256/384/512 Function Prototypes ******************************/ 00060 void apr__SHA256_Init(SHA256_CTX *); 00061 void apr__SHA256_Update(SHA256_CTX *, const apr_byte_t *, size_t); 00062 void apr__SHA256_Final(apr_byte_t [SHA256_DIGEST_LENGTH], SHA256_CTX *); 00063 char* apr__SHA256_End(SHA256_CTX *, char [SHA256_DIGEST_STRING_LENGTH]); 00064 char* apr__SHA256_Data(const apr_byte_t *, size_t, 00065 char [SHA256_DIGEST_STRING_LENGTH]); 00066 00067 void apr__SHA384_Init(SHA384_CTX *); 00068 void apr__SHA384_Update(SHA384_CTX *, const apr_byte_t *, size_t); 00069 void apr__SHA384_Final(apr_byte_t [SHA384_DIGEST_LENGTH], SHA384_CTX *); 00070 char* apr__SHA384_End(SHA384_CTX *, char [SHA384_DIGEST_STRING_LENGTH]); 00071 char* apr__SHA384_Data(const apr_byte_t *, size_t, 00072 char [SHA384_DIGEST_STRING_LENGTH]); 00073 00074 void apr__SHA512_Init(SHA512_CTX *); 00075 void apr__SHA512_Update(SHA512_CTX *, const apr_byte_t *, size_t); 00076 void apr__SHA512_Final(apr_byte_t [SHA512_DIGEST_LENGTH], SHA512_CTX *); 00077 char* apr__SHA512_End(SHA512_CTX *, char [SHA512_DIGEST_STRING_LENGTH]); 00078 char* apr__SHA512_Data(const apr_byte_t *, size_t, 00079 char [SHA512_DIGEST_STRING_LENGTH]); 00080 00081 #ifdef __cplusplus 00082 } 00083 #endif /* __cplusplus */ 00084 00085 #endif /* __SHA2_H__ */ 00086
