Gecko [ tsuru-no-tsurugi.tokyo ]

Name	Size	Permission	Date
internal	[ DIR ]	drwxr-xr-x	2026-06-27 06:50
acompress.h	8.86 KB	-rw-r--r--	2021-11-01 05:53
aead.h	18.39 KB	-rw-r--r--	2021-11-01 05:53
aes.h	2.5 KB	-rw-r--r--	2021-11-01 05:53
akcipher.h	12.92 KB	-rw-r--r--	2021-11-01 05:53
algapi.h	7.37 KB	-rw-r--r--	2026-06-20 00:54
arc4.h	484 B	-rw-r--r--	2021-11-01 05:53
asym_tpm_subtype.h	521 B	-rw-r--r--	2021-11-01 05:53
authenc.h	635 B	-rw-r--r--	2021-11-01 05:53
b128ops.h	2.41 KB	-rw-r--r--	2021-11-01 05:53
blake2b.h	1.6 KB	-rw-r--r--	2021-11-01 05:53
blake2s.h	2.62 KB	-rw-r--r--	2026-06-20 00:54
blowfish.h	415 B	-rw-r--r--	2021-11-01 05:53
cast5.h	590 B	-rw-r--r--	2021-11-01 05:53
cast6.h	607 B	-rw-r--r--	2021-11-01 05:53
cast_common.h	232 B	-rw-r--r--	2021-11-01 05:53
chacha.h	3.32 KB	-rw-r--r--	2026-06-20 00:54
chacha20poly1305.h	1.66 KB	-rw-r--r--	2021-11-01 05:53
cryptd.h	2 KB	-rw-r--r--	2021-11-01 05:53
ctr.h	1.42 KB	-rw-r--r--	2021-11-01 05:53
curve25519.h	2.02 KB	-rw-r--r--	2021-11-01 05:53
des.h	1.68 KB	-rw-r--r--	2021-11-01 05:53
dh.h	2.51 KB	-rw-r--r--	2021-11-01 05:53
drbg.h	8.99 KB	-rw-r--r--	2026-06-20 00:54
ecc_curve.h	1.31 KB	-rw-r--r--	2021-11-01 05:53
ecdh.h	2.43 KB	-rw-r--r--	2021-11-01 05:53
engine.h	4.11 KB	-rw-r--r--	2021-11-01 05:53
gcm.h	867 B	-rw-r--r--	2021-11-01 05:53
gf128mul.h	9.42 KB	-rw-r--r--	2021-11-01 05:53
ghash.h	388 B	-rw-r--r--	2021-11-01 05:53
hash.h	34.04 KB	-rw-r--r--	2021-11-01 05:53
hash_info.h	998 B	-rw-r--r--	2021-11-01 05:53
hmac.h	173 B	-rw-r--r--	2021-11-01 05:53
if_alg.h	6.68 KB	-rw-r--r--	2026-06-20 00:54
kpp.h	9.91 KB	-rw-r--r--	2021-11-01 05:53
md5.h	497 B	-rw-r--r--	2021-11-01 05:53
nhpoly1305.h	2.18 KB	-rw-r--r--	2021-11-01 05:53
null.h	346 B	-rw-r--r--	2021-11-01 05:53
padlock.h	438 B	-rw-r--r--	2021-11-01 05:53
pcrypt.h	815 B	-rw-r--r--	2021-11-01 05:53
pkcs7.h	1.15 KB	-rw-r--r--	2021-11-01 05:53
poly1305.h	2.44 KB	-rw-r--r--	2021-11-01 05:53
public_key.h	2.38 KB	-rw-r--r--	2021-11-01 05:53
rng.h	6.59 KB	-rw-r--r--	2021-11-01 05:53
scatterwalk.h	3.9 KB	-rw-r--r--	2026-06-20 00:54
serpent.h	696 B	-rw-r--r--	2021-11-01 05:53
sha1.h	1.18 KB	-rw-r--r--	2021-11-01 05:53
sha1_base.h	2.45 KB	-rw-r--r--	2021-11-01 05:53
sha2.h	3.76 KB	-rw-r--r--	2021-11-01 05:53
sha256_base.h	2.56 KB	-rw-r--r--	2021-11-01 05:53
sha3.h	879 B	-rw-r--r--	2021-11-01 05:53
sha512_base.h	3.18 KB	-rw-r--r--	2021-11-01 05:53
skcipher.h	19.95 KB	-rw-r--r--	2021-11-01 05:53
sm2.h	749 B	-rw-r--r--	2021-11-01 05:53
sm3.h	897 B	-rw-r--r--	2021-11-01 05:53
sm3_base.h	2.55 KB	-rw-r--r--	2021-11-01 05:53
sm4.h	1.12 KB	-rw-r--r--	2021-11-01 05:53
streebog.h	949 B	-rw-r--r--	2021-11-01 05:53
twofish.h	743 B	-rw-r--r--	2021-11-01 05:53
xts.h	1.1 KB	-rw-r--r--	2021-11-01 05:53

Rename

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Common values and helper functions for the NHPoly1305 hash function.
 */

#ifndef _NHPOLY1305_H
#define _NHPOLY1305_H

#include <crypto/hash.h>
#include <crypto/internal/poly1305.h>

/* NH parameterization: */

/* Endianness: little */
/* Word size: 32 bits (works well on NEON, SSE2, AVX2) */

/* Stride: 2 words (optimal on ARM32 NEON; works okay on other CPUs too) */
#define NH_PAIR_STRIDE		2
#define NH_MESSAGE_UNIT		(NH_PAIR_STRIDE * 2 * sizeof(u32))

/* Num passes (Toeplitz iteration count): 4, to give ε = 2^{-128} */
#define NH_NUM_PASSES		4
#define NH_HASH_BYTES		(NH_NUM_PASSES * sizeof(u64))

/* Max message size: 1024 bytes (32x compression factor) */
#define NH_NUM_STRIDES		64
#define NH_MESSAGE_WORDS	(NH_PAIR_STRIDE * 2 * NH_NUM_STRIDES)
#define NH_MESSAGE_BYTES	(NH_MESSAGE_WORDS * sizeof(u32))
#define NH_KEY_WORDS		(NH_MESSAGE_WORDS + \
				 NH_PAIR_STRIDE * 2 * (NH_NUM_PASSES - 1))
#define NH_KEY_BYTES		(NH_KEY_WORDS * sizeof(u32))

#define NHPOLY1305_KEY_SIZE	(POLY1305_BLOCK_SIZE + NH_KEY_BYTES)

struct nhpoly1305_key {
	struct poly1305_core_key poly_key;
	u32 nh_key[NH_KEY_WORDS];
};

struct nhpoly1305_state {

/* Running total of polynomial evaluation */
	struct poly1305_state poly_state;

/* Partial block buffer */
	u8 buffer[NH_MESSAGE_UNIT];
	unsigned int buflen;

/*
	 * Number of bytes remaining until the current NH message reaches
	 * NH_MESSAGE_BYTES.  When nonzero, 'nh_hash' holds the partial NH hash.
	 */
	unsigned int nh_remaining;

__le64 nh_hash[NH_NUM_PASSES];
};

typedef void (*nh_t)(const u32 *key, const u8 *message, size_t message_len,
		     __le64 hash[NH_NUM_PASSES]);

int crypto_nhpoly1305_setkey(struct crypto_shash *tfm,
			     const u8 *key, unsigned int keylen);

int crypto_nhpoly1305_init(struct shash_desc *desc);
int crypto_nhpoly1305_update(struct shash_desc *desc,
			     const u8 *src, unsigned int srclen);
int crypto_nhpoly1305_update_helper(struct shash_desc *desc,
				    const u8 *src, unsigned int srclen,
				    nh_t nh_fn);
int crypto_nhpoly1305_final(struct shash_desc *desc, u8 *dst);
int crypto_nhpoly1305_final_helper(struct shash_desc *desc, u8 *dst,
				   nh_t nh_fn);

#endif /* _NHPOLY1305_H */