Contributors: 12
Author Tokens Token Proportion Commits Commit Proportion
Vivek Goyal 172 30.12% 1 3.57%
Jan Glauber 118 20.67% 2 7.14%
Herbert Xu 90 15.76% 8 28.57%
Hans de Goede 53 9.28% 3 10.71%
Eric Biggers 46 8.06% 5 17.86%
Jonathan Lynch 40 7.01% 1 3.57%
Antoine Tenart 16 2.80% 2 7.14%
Corentin Labbe 16 2.80% 1 3.57%
Ard Biesheuvel 8 1.40% 2 7.14%
James Morris 8 1.40% 1 3.57%
David S. Miller 3 0.53% 1 3.57%
Greg Kroah-Hartman 1 0.18% 1 3.57%
Total 571 28 


/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Common values for SHA-2 algorithms
 */

#ifndef _CRYPTO_SHA2_H
#define _CRYPTO_SHA2_H

#include <linux/types.h>

#define SHA224_DIGEST_SIZE	28
#define SHA224_BLOCK_SIZE	64

#define SHA256_DIGEST_SIZE      32
#define SHA256_BLOCK_SIZE       64
#define SHA256_STATE_WORDS      8

#define SHA384_DIGEST_SIZE      48
#define SHA384_BLOCK_SIZE       128

#define SHA512_DIGEST_SIZE      64
#define SHA512_BLOCK_SIZE       128
#define SHA512_STATE_SIZE       80

#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 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 crypto_sha256_state {
	u32 state[SHA256_STATE_WORDS];
	u64 count;
};

struct sha256_state {
	union {
		struct crypto_sha256_state ctx;
		struct {
			u32 state[SHA256_STATE_WORDS];
			u64 count;
		};
	};
	u8 buf[SHA256_BLOCK_SIZE];
};

struct sha512_state {
	u64 state[SHA512_DIGEST_SIZE / 8];
	u64 count[2];
	u8 buf[SHA512_BLOCK_SIZE];
};

static inline void sha256_block_init(struct crypto_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;
}

static inline void sha256_init(struct sha256_state *sctx)
{
	sha256_block_init(&sctx->ctx);
}
void sha256_update(struct sha256_state *sctx, const u8 *data, size_t len);
void sha256_final(struct sha256_state *sctx, u8 out[SHA256_DIGEST_SIZE]);
void sha256(const u8 *data, size_t len, u8 out[SHA256_DIGEST_SIZE]);

static inline void sha224_block_init(struct crypto_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;
}

static inline void sha224_init(struct sha256_state *sctx)
{
	sha224_block_init(&sctx->ctx);
}
/* Simply use sha256_update as it is equivalent to sha224_update. */
void sha224_final(struct sha256_state *sctx, u8 out[SHA224_DIGEST_SIZE]);

#endif /* _CRYPTO_SHA2_H */