sudo/include/compat/sha2.h

101 lines
4.0 KiB
C

/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 2013-2015 Todd C. Miller <Todd.Miller@sudo.ws>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Derived from the public domain SHA-1 and SHA-2 implementations
* by Steve Reid and Wei Dai respectively.
*/
#ifndef COMPAT_SHA2_H
#define COMPAT_SHA2_H
#define SHA224_BLOCK_LENGTH 64
#define SHA224_DIGEST_LENGTH 28
#define SHA224_DIGEST_STRING_LENGTH (SHA224_DIGEST_LENGTH * 2 + 1)
#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)
typedef struct {
union {
uint32_t st32[8]; /* sha224 and sha256 */
uint64_t st64[8]; /* sha384 and sha512 */
} state;
uint64_t count[2];
uint8_t buffer[SHA512_BLOCK_LENGTH];
} SHA2_CTX;
sudo_dso_public void sudo_SHA224Init(SHA2_CTX *ctx);
sudo_dso_public void sudo_SHA224Pad(SHA2_CTX *ctx);
sudo_dso_public void sudo_SHA224Transform(uint32_t state[8], const uint8_t buffer[SHA224_BLOCK_LENGTH]);
sudo_dso_public void sudo_SHA224Update(SHA2_CTX *ctx, const uint8_t *data, size_t len);
sudo_dso_public void sudo_SHA224Final(uint8_t digest[SHA224_DIGEST_LENGTH], SHA2_CTX *ctx);
#define SHA224Init sudo_SHA224Init
#define SHA224Pad sudo_SHA224Pad
#define SHA224Transform sudo_SHA224Transform
#define SHA224Update sudo_SHA224Update
#define SHA224Final sudo_SHA224Final
sudo_dso_public void sudo_SHA256Init(SHA2_CTX *ctx);
sudo_dso_public void sudo_SHA256Pad(SHA2_CTX *ctx);
sudo_dso_public void sudo_SHA256Transform(uint32_t state[8], const uint8_t buffer[SHA256_BLOCK_LENGTH]);
sudo_dso_public void sudo_SHA256Update(SHA2_CTX *ctx, const uint8_t *data, size_t len);
sudo_dso_public void sudo_SHA256Final(uint8_t digest[SHA256_DIGEST_LENGTH], SHA2_CTX *ctx);
#define SHA256Init sudo_SHA256Init
#define SHA256Pad sudo_SHA256Pad
#define SHA256Transform sudo_SHA256Transform
#define SHA256Update sudo_SHA256Update
#define SHA256Final sudo_SHA256Final
sudo_dso_public void sudo_SHA384Init(SHA2_CTX *ctx);
sudo_dso_public void sudo_SHA384Pad(SHA2_CTX *ctx);
sudo_dso_public void sudo_SHA384Transform(uint64_t state[8], const uint8_t buffer[SHA384_BLOCK_LENGTH]);
sudo_dso_public void sudo_SHA384Update(SHA2_CTX *ctx, const uint8_t *data, size_t len);
sudo_dso_public void sudo_SHA384Final(uint8_t digest[SHA384_DIGEST_LENGTH], SHA2_CTX *ctx);
#define SHA384Init sudo_SHA384Init
#define SHA384Pad sudo_SHA384Pad
#define SHA384Transform sudo_SHA384Transform
#define SHA384Update sudo_SHA384Update
#define SHA384Final sudo_SHA384Final
sudo_dso_public void sudo_SHA512Init(SHA2_CTX *ctx);
sudo_dso_public void sudo_SHA512Pad(SHA2_CTX *ctx);
sudo_dso_public void sudo_SHA512Transform(uint64_t state[8], const uint8_t buffer[SHA512_BLOCK_LENGTH]);
sudo_dso_public void sudo_SHA512Update(SHA2_CTX *ctx, const uint8_t *data, size_t len);
sudo_dso_public void sudo_SHA512Final(uint8_t digest[SHA512_DIGEST_LENGTH], SHA2_CTX *ctx);
#define SHA512Init sudo_SHA512Init
#define SHA512Pad sudo_SHA512Pad
#define SHA512Transform sudo_SHA512Transform
#define SHA512Update sudo_SHA512Update
#define SHA512Final sudo_SHA512Final
#endif /* COMPAT_SHA2_H */