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/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* FILE: sha2.h
* AUTHOR: Aaron D. Gifford <me@aarongifford.com>
*
* A licence was granted to the ASF by Aaron on 4 November 2003.
*/
#ifndef __SHA2_H__
#define __SHA2_H__
#ifdef __cplusplus
extern "C" {
#endif
#include "apr.h"
/*** SHA-256/384/512 Various Length Definitions ***********************/
#define SHA256_BLOCK_LENGTH 64
#define SHA256_DIGEST_LENGTH 32
#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
#define SHA384_BLOCK_LENGTH 128
#define SHA384_DIGEST_LENGTH 48
#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
#define SHA512_BLOCK_LENGTH 128
#define SHA512_DIGEST_LENGTH 64
#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
/*** SHA-256/384/512 Context Structures *******************************/
typedef struct _SHA256_CTX {
apr_uint32_t state[8];
apr_uint64_t bitcount;
apr_byte_t buffer[SHA256_BLOCK_LENGTH];
} SHA256_CTX;
typedef struct _SHA512_CTX {
apr_uint64_t state[8];
apr_uint64_t bitcount[2];
apr_byte_t buffer[SHA512_BLOCK_LENGTH];
} SHA512_CTX;
typedef SHA512_CTX SHA384_CTX;
/*** SHA-256/384/512 Function Prototypes ******************************/
void apr__SHA256_Init(SHA256_CTX *);
void apr__SHA256_Update(SHA256_CTX *, const apr_byte_t *, size_t);
void apr__SHA256_Final(apr_byte_t [SHA256_DIGEST_LENGTH], SHA256_CTX *);
char* apr__SHA256_End(SHA256_CTX *, char [SHA256_DIGEST_STRING_LENGTH]);
char* apr__SHA256_Data(const apr_byte_t *, size_t,
char [SHA256_DIGEST_STRING_LENGTH]);
void apr__SHA384_Init(SHA384_CTX *);
void apr__SHA384_Update(SHA384_CTX *, const apr_byte_t *, size_t);
void apr__SHA384_Final(apr_byte_t [SHA384_DIGEST_LENGTH], SHA384_CTX *);
char* apr__SHA384_End(SHA384_CTX *, char [SHA384_DIGEST_STRING_LENGTH]);
char* apr__SHA384_Data(const apr_byte_t *, size_t,
char [SHA384_DIGEST_STRING_LENGTH]);
void apr__SHA512_Init(SHA512_CTX *);
void apr__SHA512_Update(SHA512_CTX *, const apr_byte_t *, size_t);
void apr__SHA512_Final(apr_byte_t [SHA512_DIGEST_LENGTH], SHA512_CTX *);
char* apr__SHA512_End(SHA512_CTX *, char [SHA512_DIGEST_STRING_LENGTH]);
char* apr__SHA512_Data(const apr_byte_t *, size_t,
char [SHA512_DIGEST_STRING_LENGTH]);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __SHA2_H__ */
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