257 lines
9.5 KiB
C
257 lines
9.5 KiB
C
/* 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
|
|
|
|
// 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 |SHA_CBLOCK| bytes from
|
|
// |block|.
|
|
OPENSSL_EXPORT void SHA1_Transform(SHA_CTX *sha, const uint8_t *block);
|
|
|
|
struct sha_state_st {
|
|
#if defined(OPENSSL_WINDOWS)
|
|
uint32_t h[5];
|
|
#else
|
|
// wpa_supplicant accesses |h0|..|h4| so we must support those names
|
|
// for compatibility with it until it can be updated.
|
|
union {
|
|
uint32_t h[5];
|
|
struct {
|
|
uint32_t h0;
|
|
uint32_t h1;
|
|
uint32_t h2;
|
|
uint32_t h3;
|
|
uint32_t h4;
|
|
};
|
|
};
|
|
#endif
|
|
uint32_t Nl, Nh;
|
|
uint8_t data[SHA_CBLOCK];
|
|
unsigned 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-256
|
|
// block transformation using the state from |sha| and |SHA256_CBLOCK| bytes
|
|
// from |block|.
|
|
OPENSSL_EXPORT void SHA256_Transform(SHA256_CTX *sha, const uint8_t *block);
|
|
|
|
struct sha256_state_st {
|
|
uint32_t h[8];
|
|
uint32_t Nl, Nh;
|
|
uint8_t data[SHA256_CBLOCK];
|
|
unsigned 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-384
|
|
// block transformation using the state from |sha| and |SHA384_CBLOCK| bytes
|
|
// from |block|.
|
|
OPENSSL_EXPORT void SHA384_Transform(SHA512_CTX *sha, const uint8_t *block);
|
|
|
|
|
|
// 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-512
|
|
// block transformation using the state from |sha| and |SHA512_CBLOCK| bytes
|
|
// from |block|.
|
|
OPENSSL_EXPORT void SHA512_Transform(SHA512_CTX *sha, const uint8_t *block);
|
|
|
|
struct sha512_state_st {
|
|
uint64_t h[8];
|
|
uint64_t Nl, Nh;
|
|
union {
|
|
uint64_t d[16];
|
|
uint8_t p[128];
|
|
} u;
|
|
unsigned num, md_len;
|
|
};
|
|
|
|
|
|
#if defined(__cplusplus)
|
|
} // extern C
|
|
#endif
|
|
|
|
#endif // OPENSSL_HEADER_SHA_H
|