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Name	Size	Permission	Date
internal	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
acompress.h	9.26 KB	-rw-r--r--	2024-03-10 20:38
aead.h	19.47 KB	-rw-r--r--	2024-03-10 20:38
aes.h	2.5 KB	-rw-r--r--	2024-03-10 20:38
akcipher.h	15.21 KB	-rw-r--r--	2024-03-10 20:38
algapi.h	7.65 KB	-rw-r--r--	2024-03-10 20:38
arc4.h	484 B	-rw-r--r--	2024-03-10 20:38
aria.h	16.71 KB	-rw-r--r--	2024-03-10 20:38
authenc.h	635 B	-rw-r--r--	2024-03-10 20:38
b128ops.h	2.26 KB	-rw-r--r--	2024-03-10 20:38
blake2b.h	1.57 KB	-rw-r--r--	2024-03-10 20:38
blake2s.h	2.62 KB	-rw-r--r--	2024-03-10 20:38
blowfish.h	415 B	-rw-r--r--	2024-03-10 20:38
cast5.h	590 B	-rw-r--r--	2024-03-10 20:38
cast6.h	607 B	-rw-r--r--	2024-03-10 20:38
cast_common.h	232 B	-rw-r--r--	2024-03-10 20:38
chacha.h	3.32 KB	-rw-r--r--	2024-03-10 20:38
chacha20poly1305.h	1.66 KB	-rw-r--r--	2024-03-10 20:38
cryptd.h	2 KB	-rw-r--r--	2024-03-10 20:38
ctr.h	1.42 KB	-rw-r--r--	2024-03-10 20:38
curve25519.h	2.02 KB	-rw-r--r--	2024-03-10 20:38
des.h	1.68 KB	-rw-r--r--	2024-03-10 20:38
dh.h	3.03 KB	-rw-r--r--	2024-03-10 20:38
drbg.h	9.02 KB	-rw-r--r--	2024-03-10 20:38
ecc_curve.h	1.31 KB	-rw-r--r--	2024-03-10 20:38
ecdh.h	2.43 KB	-rw-r--r--	2024-03-10 20:38
engine.h	3.72 KB	-rw-r--r--	2024-03-10 20:38
gcm.h	1.48 KB	-rw-r--r--	2024-03-10 20:38
gf128mul.h	9.42 KB	-rw-r--r--	2024-03-10 20:38
ghash.h	388 B	-rw-r--r--	2024-03-10 20:38
hash.h	33.47 KB	-rw-r--r--	2026-05-26 09:55
hash_info.h	1023 B	-rw-r--r--	2024-03-10 20:38
hmac.h	173 B	-rw-r--r--	2024-03-10 20:38
if_alg.h	6.5 KB	-rw-r--r--	2026-05-26 09:55
kdf_sp800108.h	2.07 KB	-rw-r--r--	2024-03-10 20:38
kpp.h	10.9 KB	-rw-r--r--	2024-03-10 20:38
md5.h	497 B	-rw-r--r--	2024-03-10 20:38
nhpoly1305.h	2.18 KB	-rw-r--r--	2024-03-10 20:38
null.h	346 B	-rw-r--r--	2024-03-10 20:38
padlock.h	438 B	-rw-r--r--	2024-03-10 20:38
pcrypt.h	821 B	-rw-r--r--	2024-03-10 20:38
pkcs7.h	1.15 KB	-rw-r--r--	2024-03-10 20:38
poly1305.h	2.44 KB	-rw-r--r--	2024-03-10 20:38
polyval.h	445 B	-rw-r--r--	2024-03-10 20:38
public_key.h	3.59 KB	-rw-r--r--	2024-03-10 20:38
rng.h	7.72 KB	-rw-r--r--	2024-03-10 20:38
scatterwalk.h	3.69 KB	-rw-r--r--	2026-05-26 09:55
serpent.h	696 B	-rw-r--r--	2024-03-10 20:38
sha1.h	1.18 KB	-rw-r--r--	2024-03-10 20:38
sha1_base.h	2.45 KB	-rw-r--r--	2024-03-10 20:38
sha2.h	3.75 KB	-rw-r--r--	2024-03-10 20:38
sha256_base.h	3.12 KB	-rw-r--r--	2026-05-26 09:55
sha3.h	879 B	-rw-r--r--	2024-03-10 20:38
sha512_base.h	3.18 KB	-rw-r--r--	2024-03-10 20:38
sig.h	4.1 KB	-rw-r--r--	2024-03-10 20:38
skcipher.h	33.05 KB	-rw-r--r--	2024-03-10 20:38
sm2.h	745 B	-rw-r--r--	2024-03-10 20:38
sm3.h	1.6 KB	-rw-r--r--	2024-03-10 20:38
sm3_base.h	2.55 KB	-rw-r--r--	2024-03-10 20:38
sm4.h	1.22 KB	-rw-r--r--	2024-03-10 20:38
streebog.h	949 B	-rw-r--r--	2024-03-10 20:38
twofish.h	743 B	-rw-r--r--	2024-03-10 20:38
utils.h	1.89 KB	-rw-r--r--	2024-03-10 20:38
xts.h	978 B	-rw-r--r--	2024-03-10 20:38

Rename

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * sm3_base.h - core logic for SM3 implementations
 *
 * Copyright (C) 2017 ARM Limited or its affiliates.
 * Written by Gilad Ben-Yossef <gilad@benyossef.com>
 */

#ifndef _CRYPTO_SM3_BASE_H
#define _CRYPTO_SM3_BASE_H

#include <crypto/internal/hash.h>
#include <crypto/sm3.h>
#include <linux/crypto.h>
#include <linux/module.h>
#include <linux/string.h>
#include <asm/unaligned.h>

typedef void (sm3_block_fn)(struct sm3_state *sst, u8 const *src, int blocks);

static inline int sm3_base_init(struct shash_desc *desc)
{
	struct sm3_state *sctx = shash_desc_ctx(desc);

sctx->state[0] = SM3_IVA;
	sctx->state[1] = SM3_IVB;
	sctx->state[2] = SM3_IVC;
	sctx->state[3] = SM3_IVD;
	sctx->state[4] = SM3_IVE;
	sctx->state[5] = SM3_IVF;
	sctx->state[6] = SM3_IVG;
	sctx->state[7] = SM3_IVH;
	sctx->count = 0;

return 0;
}

static inline int sm3_base_do_update(struct shash_desc *desc,
				      const u8 *data,
				      unsigned int len,
				      sm3_block_fn *block_fn)
{
	struct sm3_state *sctx = shash_desc_ctx(desc);
	unsigned int partial = sctx->count % SM3_BLOCK_SIZE;

sctx->count += len;

if (unlikely((partial + len) >= SM3_BLOCK_SIZE)) {
		int blocks;

if (partial) {
			int p = SM3_BLOCK_SIZE - partial;

memcpy(sctx->buffer + partial, data, p);
			data += p;
			len -= p;

block_fn(sctx, sctx->buffer, 1);
		}

blocks = len / SM3_BLOCK_SIZE;
		len %= SM3_BLOCK_SIZE;

if (blocks) {
			block_fn(sctx, data, blocks);
			data += blocks * SM3_BLOCK_SIZE;
		}
		partial = 0;
	}
	if (len)
		memcpy(sctx->buffer + partial, data, len);

return 0;
}

static inline int sm3_base_do_finalize(struct shash_desc *desc,
					sm3_block_fn *block_fn)
{
	const int bit_offset = SM3_BLOCK_SIZE - sizeof(__be64);
	struct sm3_state *sctx = shash_desc_ctx(desc);
	__be64 *bits = (__be64 *)(sctx->buffer + bit_offset);
	unsigned int partial = sctx->count % SM3_BLOCK_SIZE;

sctx->buffer[partial++] = 0x80;
	if (partial > bit_offset) {
		memset(sctx->buffer + partial, 0x0, SM3_BLOCK_SIZE - partial);
		partial = 0;

block_fn(sctx, sctx->buffer, 1);
	}

memset(sctx->buffer + partial, 0x0, bit_offset - partial);
	*bits = cpu_to_be64(sctx->count << 3);
	block_fn(sctx, sctx->buffer, 1);

return 0;
}

static inline int sm3_base_finish(struct shash_desc *desc, u8 *out)
{
	struct sm3_state *sctx = shash_desc_ctx(desc);
	__be32 *digest = (__be32 *)out;
	int i;

for (i = 0; i < SM3_DIGEST_SIZE / sizeof(__be32); i++)
		put_unaligned_be32(sctx->state[i], digest++);

memzero_explicit(sctx, sizeof(*sctx));
	return 0;
}

#endif /* _CRYPTO_SM3_BASE_H */