- /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.] */
-
- #ifndef OPENSSL_HEADER_SHA_H
- #define OPENSSL_HEADER_SHA_H
-
- #include <openssl/base.h>
-
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
-
- /* The SHA family of hash functions (SHA-1 and SHA-2). */
-
-
- /* SHA_CBLOCK is the block size of SHA-1. */
- #define SHA_CBLOCK 64
-
- /* SHA_DIGEST_LENGTH is the length of a SHA-1 digest. */
- #define SHA_DIGEST_LENGTH 20
-
- /* TODO(fork): remove */
- #define SHA_LBLOCK 16
- #define SHA_LONG uint32_t
-
- /* SHA1_Init initialises |sha| and returns one. */
- OPENSSL_EXPORT int SHA1_Init(SHA_CTX *sha);
-
- /* SHA1_Update adds |len| bytes from |data| to |sha| and returns one. */
- OPENSSL_EXPORT int SHA1_Update(SHA_CTX *sha, const void *data, size_t len);
-
- /* SHA1_Final adds the final padding to |sha| and writes the resulting digest
- * to |md|, which must have at least |SHA_DIGEST_LENGTH| bytes of space. It
- * returns one. */
- OPENSSL_EXPORT int SHA1_Final(uint8_t *md, SHA_CTX *sha);
-
- /* SHA1 writes the digest of |len| bytes from |data| to |out| and returns
- * |out|. There must be at least |SHA_DIGEST_LENGTH| bytes of space in
- * |out|. */
- OPENSSL_EXPORT uint8_t *SHA1(const uint8_t *data, size_t len, uint8_t *out);
-
- /* SHA1_Transform is a low-level function that performs a single, SHA-1 block
- * transformation using the state from |sha| and 64 bytes from |block|. */
- OPENSSL_EXPORT void SHA1_Transform(SHA_CTX *sha, const uint8_t *block);
-
- struct sha_state_st {
- uint32_t h0, h1, h2, h3, h4;
- uint32_t Nl, Nh;
- uint32_t data[16];
- unsigned int num;
- };
-
-
- /* SHA-224. */
-
- /* SHA224_CBLOCK is the block size of SHA-224. */
- #define SHA224_CBLOCK 64
-
- /* SHA224_DIGEST_LENGTH is the length of a SHA-224 digest. */
- #define SHA224_DIGEST_LENGTH 28
-
- /* SHA224_Init initialises |sha| and returns 1. */
- OPENSSL_EXPORT int SHA224_Init(SHA256_CTX *sha);
-
- /* SHA224_Update adds |len| bytes from |data| to |sha| and returns 1. */
- OPENSSL_EXPORT int SHA224_Update(SHA256_CTX *sha, const void *data, size_t len);
-
- /* SHA224_Final adds the final padding to |sha| and writes the resulting digest
- * to |md|, which must have at least |SHA224_DIGEST_LENGTH| bytes of space. It
- * returns one on success and zero on programmer error. */
- OPENSSL_EXPORT int SHA224_Final(uint8_t *md, SHA256_CTX *sha);
-
- /* SHA224 writes the digest of |len| bytes from |data| to |out| and returns
- * |out|. There must be at least |SHA224_DIGEST_LENGTH| bytes of space in
- * |out|. */
- OPENSSL_EXPORT uint8_t *SHA224(const uint8_t *data, size_t len, uint8_t *out);
-
-
- /* SHA-256. */
-
- /* SHA256_CBLOCK is the block size of SHA-256. */
- #define SHA256_CBLOCK 64
-
- /* SHA256_DIGEST_LENGTH is the length of a SHA-256 digest. */
- #define SHA256_DIGEST_LENGTH 32
-
- /* SHA256_Init initialises |sha| and returns 1. */
- OPENSSL_EXPORT int SHA256_Init(SHA256_CTX *sha);
-
- /* SHA256_Update adds |len| bytes from |data| to |sha| and returns 1. */
- OPENSSL_EXPORT int SHA256_Update(SHA256_CTX *sha, const void *data, size_t len);
-
- /* SHA256_Final adds the final padding to |sha| and writes the resulting digest
- * to |md|, which must have at least |SHA256_DIGEST_LENGTH| bytes of space. It
- * returns one on success and zero on programmer error. */
- OPENSSL_EXPORT int SHA256_Final(uint8_t *md, SHA256_CTX *sha);
-
- /* SHA256 writes the digest of |len| bytes from |data| to |out| and returns
- * |out|. There must be at least |SHA256_DIGEST_LENGTH| bytes of space in
- * |out|. */
- OPENSSL_EXPORT uint8_t *SHA256(const uint8_t *data, size_t len, uint8_t *out);
-
- /* SHA256_Transform is a low-level function that performs a single, SHA-1 block
- * transformation using the state from |sha| and 64 bytes from |block|. */
- OPENSSL_EXPORT void SHA256_Transform(SHA256_CTX *sha, const uint8_t *data);
-
- struct sha256_state_st {
- uint32_t h[8];
- uint32_t Nl, Nh;
- uint32_t data[16];
- unsigned int num, md_len;
- };
-
-
- /* SHA-384. */
-
- /* SHA384_CBLOCK is the block size of SHA-384. */
- #define SHA384_CBLOCK 128
-
- /* SHA384_DIGEST_LENGTH is the length of a SHA-384 digest. */
- #define SHA384_DIGEST_LENGTH 48
-
- /* SHA384_Init initialises |sha| and returns 1. */
- OPENSSL_EXPORT int SHA384_Init(SHA512_CTX *sha);
-
- /* SHA384_Update adds |len| bytes from |data| to |sha| and returns 1. */
- OPENSSL_EXPORT int SHA384_Update(SHA512_CTX *sha, const void *data, size_t len);
-
- /* SHA384_Final adds the final padding to |sha| and writes the resulting digest
- * to |md|, which must have at least |SHA384_DIGEST_LENGTH| bytes of space. It
- * returns one on success and zero on programmer error. */
- OPENSSL_EXPORT int SHA384_Final(uint8_t *md, SHA512_CTX *sha);
-
- /* SHA384 writes the digest of |len| bytes from |data| to |out| and returns
- * |out|. There must be at least |SHA384_DIGEST_LENGTH| bytes of space in
- * |out|. */
- OPENSSL_EXPORT uint8_t *SHA384(const uint8_t *data, size_t len, uint8_t *out);
-
- /* SHA384_Transform is a low-level function that performs a single, SHA-1 block
- * transformation using the state from |sha| and 64 bytes from |block|. */
- OPENSSL_EXPORT void SHA384_Transform(SHA512_CTX *sha, const uint8_t *data);
-
-
- /* SHA-512. */
-
- /* SHA512_CBLOCK is the block size of SHA-512. */
- #define SHA512_CBLOCK 128
-
- /* SHA512_DIGEST_LENGTH is the length of a SHA-512 digest. */
- #define SHA512_DIGEST_LENGTH 64
-
- /* SHA512_Init initialises |sha| and returns 1. */
- OPENSSL_EXPORT int SHA512_Init(SHA512_CTX *sha);
-
- /* SHA512_Update adds |len| bytes from |data| to |sha| and returns 1. */
- OPENSSL_EXPORT int SHA512_Update(SHA512_CTX *sha, const void *data, size_t len);
-
- /* SHA512_Final adds the final padding to |sha| and writes the resulting digest
- * to |md|, which must have at least |SHA512_DIGEST_LENGTH| bytes of space. It
- * returns one on success and zero on programmer error. */
- OPENSSL_EXPORT int SHA512_Final(uint8_t *md, SHA512_CTX *sha);
-
- /* SHA512 writes the digest of |len| bytes from |data| to |out| and returns
- * |out|. There must be at least |SHA512_DIGEST_LENGTH| bytes of space in
- * |out|. */
- OPENSSL_EXPORT uint8_t *SHA512(const uint8_t *data, size_t len, uint8_t *out);
-
- /* SHA512_Transform is a low-level function that performs a single, SHA-1 block
- * transformation using the state from |sha| and 64 bytes from |block|. */
- OPENSSL_EXPORT void SHA512_Transform(SHA512_CTX *sha, const uint8_t *data);
-
- struct sha512_state_st {
- uint64_t h[8];
- uint64_t Nl, Nh;
- union {
- uint64_t d[16];
- uint8_t p[128];
- } u;
- unsigned int num, md_len;
- };
-
-
- #if defined(__cplusplus)
- } /* extern C */
- #endif
-
- #endif /* OPENSSL_HEADER_SHA_H */
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