/**
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* @file re_sha.h Interface to SHA (Secure Hash Standard) functions
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*
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* Copyright (C) 2010 Creytiv.com
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*/
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#ifdef USE_OPENSSL
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#include <openssl/sha.h>
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#else
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/* public api for steve reid's public domain SHA-1 implementation */
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/* this file is in the public domain */
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/** SHA-1 Context */
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typedef struct {
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uint32_t state[5]; /**< Context state */
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uint32_t count[2]; /**< Counter */
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uint8_t buffer[64]; /**< SHA-1 buffer */
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} SHA1_CTX;
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/** SHA-1 Context (OpenSSL compat) */
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typedef SHA1_CTX SHA_CTX;
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/** SHA-1 Digest size in bytes */
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#define SHA1_DIGEST_SIZE 20
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/** SHA-1 Digest size in bytes (OpenSSL compat) */
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#define SHA_DIGEST_LENGTH SHA1_DIGEST_SIZE
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void SHA1_Init(SHA1_CTX* context);
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void SHA1_Update(SHA1_CTX* context, const void *p, size_t len);
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void SHA1_Final(uint8_t digest[SHA1_DIGEST_SIZE], SHA1_CTX* context);
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#endif
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