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