mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-24 00:37:13 +07:00
228c4f265c
<linux/cryptohash.h> sounds very generic and important, like it's the header to include if you're doing cryptographic hashing in the kernel. But actually it only includes the library implementation of the SHA-1 compression function (not even the full SHA-1). This should basically never be used anymore; SHA-1 is no longer considered secure, and there are much better ways to do cryptographic hashing in the kernel. Remove this header and fold it into <crypto/sha.h> which already contains constants and functions for SHA-1 (along with SHA-2). Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
167 lines
4.7 KiB
C
167 lines
4.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Common values for SHA algorithms
|
|
*/
|
|
|
|
#ifndef _CRYPTO_SHA_H
|
|
#define _CRYPTO_SHA_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
#define SHA1_DIGEST_SIZE 20
|
|
#define SHA1_BLOCK_SIZE 64
|
|
|
|
#define SHA224_DIGEST_SIZE 28
|
|
#define SHA224_BLOCK_SIZE 64
|
|
|
|
#define SHA256_DIGEST_SIZE 32
|
|
#define SHA256_BLOCK_SIZE 64
|
|
|
|
#define SHA384_DIGEST_SIZE 48
|
|
#define SHA384_BLOCK_SIZE 128
|
|
|
|
#define SHA512_DIGEST_SIZE 64
|
|
#define SHA512_BLOCK_SIZE 128
|
|
|
|
#define SHA1_H0 0x67452301UL
|
|
#define SHA1_H1 0xefcdab89UL
|
|
#define SHA1_H2 0x98badcfeUL
|
|
#define SHA1_H3 0x10325476UL
|
|
#define SHA1_H4 0xc3d2e1f0UL
|
|
|
|
#define SHA224_H0 0xc1059ed8UL
|
|
#define SHA224_H1 0x367cd507UL
|
|
#define SHA224_H2 0x3070dd17UL
|
|
#define SHA224_H3 0xf70e5939UL
|
|
#define SHA224_H4 0xffc00b31UL
|
|
#define SHA224_H5 0x68581511UL
|
|
#define SHA224_H6 0x64f98fa7UL
|
|
#define SHA224_H7 0xbefa4fa4UL
|
|
|
|
#define SHA256_H0 0x6a09e667UL
|
|
#define SHA256_H1 0xbb67ae85UL
|
|
#define SHA256_H2 0x3c6ef372UL
|
|
#define SHA256_H3 0xa54ff53aUL
|
|
#define SHA256_H4 0x510e527fUL
|
|
#define SHA256_H5 0x9b05688cUL
|
|
#define SHA256_H6 0x1f83d9abUL
|
|
#define SHA256_H7 0x5be0cd19UL
|
|
|
|
#define SHA384_H0 0xcbbb9d5dc1059ed8ULL
|
|
#define SHA384_H1 0x629a292a367cd507ULL
|
|
#define SHA384_H2 0x9159015a3070dd17ULL
|
|
#define SHA384_H3 0x152fecd8f70e5939ULL
|
|
#define SHA384_H4 0x67332667ffc00b31ULL
|
|
#define SHA384_H5 0x8eb44a8768581511ULL
|
|
#define SHA384_H6 0xdb0c2e0d64f98fa7ULL
|
|
#define SHA384_H7 0x47b5481dbefa4fa4ULL
|
|
|
|
#define SHA512_H0 0x6a09e667f3bcc908ULL
|
|
#define SHA512_H1 0xbb67ae8584caa73bULL
|
|
#define SHA512_H2 0x3c6ef372fe94f82bULL
|
|
#define SHA512_H3 0xa54ff53a5f1d36f1ULL
|
|
#define SHA512_H4 0x510e527fade682d1ULL
|
|
#define SHA512_H5 0x9b05688c2b3e6c1fULL
|
|
#define SHA512_H6 0x1f83d9abfb41bd6bULL
|
|
#define SHA512_H7 0x5be0cd19137e2179ULL
|
|
|
|
extern const u8 sha1_zero_message_hash[SHA1_DIGEST_SIZE];
|
|
|
|
extern const u8 sha224_zero_message_hash[SHA224_DIGEST_SIZE];
|
|
|
|
extern const u8 sha256_zero_message_hash[SHA256_DIGEST_SIZE];
|
|
|
|
extern const u8 sha384_zero_message_hash[SHA384_DIGEST_SIZE];
|
|
|
|
extern const u8 sha512_zero_message_hash[SHA512_DIGEST_SIZE];
|
|
|
|
struct sha1_state {
|
|
u32 state[SHA1_DIGEST_SIZE / 4];
|
|
u64 count;
|
|
u8 buffer[SHA1_BLOCK_SIZE];
|
|
};
|
|
|
|
struct sha256_state {
|
|
u32 state[SHA256_DIGEST_SIZE / 4];
|
|
u64 count;
|
|
u8 buf[SHA256_BLOCK_SIZE];
|
|
};
|
|
|
|
struct sha512_state {
|
|
u64 state[SHA512_DIGEST_SIZE / 8];
|
|
u64 count[2];
|
|
u8 buf[SHA512_BLOCK_SIZE];
|
|
};
|
|
|
|
struct shash_desc;
|
|
|
|
extern int crypto_sha1_update(struct shash_desc *desc, const u8 *data,
|
|
unsigned int len);
|
|
|
|
extern int crypto_sha1_finup(struct shash_desc *desc, const u8 *data,
|
|
unsigned int len, u8 *hash);
|
|
|
|
extern int crypto_sha256_update(struct shash_desc *desc, const u8 *data,
|
|
unsigned int len);
|
|
|
|
extern int crypto_sha256_finup(struct shash_desc *desc, const u8 *data,
|
|
unsigned int len, u8 *hash);
|
|
|
|
extern int crypto_sha512_update(struct shash_desc *desc, const u8 *data,
|
|
unsigned int len);
|
|
|
|
extern int crypto_sha512_finup(struct shash_desc *desc, const u8 *data,
|
|
unsigned int len, u8 *hash);
|
|
|
|
/*
|
|
* An implementation of SHA-1's compression function. Don't use in new code!
|
|
* You shouldn't be using SHA-1, and even if you *have* to use SHA-1, this isn't
|
|
* the correct way to hash something with SHA-1 (use crypto_shash instead).
|
|
*/
|
|
#define SHA1_DIGEST_WORDS (SHA1_DIGEST_SIZE / 4)
|
|
#define SHA1_WORKSPACE_WORDS 16
|
|
void sha1_init(__u32 *buf);
|
|
void sha1_transform(__u32 *digest, const char *data, __u32 *W);
|
|
|
|
/*
|
|
* Stand-alone implementation of the SHA256 algorithm. It is designed to
|
|
* have as little dependencies as possible so it can be used in the
|
|
* kexec_file purgatory. In other cases you should generally use the
|
|
* hash APIs from include/crypto/hash.h. Especially when hashing large
|
|
* amounts of data as those APIs may be hw-accelerated.
|
|
*
|
|
* For details see lib/crypto/sha256.c
|
|
*/
|
|
|
|
static inline void sha256_init(struct sha256_state *sctx)
|
|
{
|
|
sctx->state[0] = SHA256_H0;
|
|
sctx->state[1] = SHA256_H1;
|
|
sctx->state[2] = SHA256_H2;
|
|
sctx->state[3] = SHA256_H3;
|
|
sctx->state[4] = SHA256_H4;
|
|
sctx->state[5] = SHA256_H5;
|
|
sctx->state[6] = SHA256_H6;
|
|
sctx->state[7] = SHA256_H7;
|
|
sctx->count = 0;
|
|
}
|
|
void sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len);
|
|
void sha256_final(struct sha256_state *sctx, u8 *out);
|
|
|
|
static inline void sha224_init(struct sha256_state *sctx)
|
|
{
|
|
sctx->state[0] = SHA224_H0;
|
|
sctx->state[1] = SHA224_H1;
|
|
sctx->state[2] = SHA224_H2;
|
|
sctx->state[3] = SHA224_H3;
|
|
sctx->state[4] = SHA224_H4;
|
|
sctx->state[5] = SHA224_H5;
|
|
sctx->state[6] = SHA224_H6;
|
|
sctx->state[7] = SHA224_H7;
|
|
sctx->count = 0;
|
|
}
|
|
void sha224_update(struct sha256_state *sctx, const u8 *data, unsigned int len);
|
|
void sha224_final(struct sha256_state *sctx, u8 *out);
|
|
|
|
#endif
|