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/usr/src/linux-headers-5.15.0-190/include/crypto/

/usr/src/linux-headers-5.15.0-190/include/crypto

Name	Size	Mode	Actions
internal/	-	0755	rm
acompress.h	9073	0644	edit dl rm
aead.h	18832	0644	edit dl rm
aes.h	2563	0644	edit dl rm
akcipher.h	13232	0644	edit dl rm
algapi.h	7545	0644	edit dl rm
arc4.h	484	0644	edit dl rm
asym_tpm_subtype.h	521	0644	edit dl rm
authenc.h	635	0644	edit dl rm
b128ops.h	2471	0644	edit dl rm
blake2b.h	1637	0644	edit dl rm
blake2s.h	2680	0644	edit dl rm
blowfish.h	415	0644	edit dl rm
cast5.h	590	0644	edit dl rm
cast6.h	607	0644	edit dl rm
cast_common.h	232	0644	edit dl rm
chacha.h	3395	0644	edit dl rm
chacha20poly1305.h	1699	0644	edit dl rm
cryptd.h	2050	0644	edit dl rm
ctr.h	1456	0644	edit dl rm
curve25519.h	2065	0644	edit dl rm
des.h	1724	0644	edit dl rm
dh.h	2574	0644	edit dl rm
drbg.h	9209	0644	edit dl rm
ecc_curve.h	1337	0644	edit dl rm
ecdh.h	2487	0644	edit dl rm
engine.h	4209	0644	edit dl rm
gcm.h	867	0644	edit dl rm
gf128mul.h	9647	0644	edit dl rm
ghash.h	388	0644	edit dl rm
hash.h	34859	0644	edit dl rm
hash_info.h	998	0644	edit dl rm
hmac.h	173	0644	edit dl rm
if_alg.h	6844	0644	edit dl rm
kpp.h	10144	0644	edit dl rm
md5.h	497	0644	edit dl rm
nhpoly1305.h	2236	0644	edit dl rm
null.h	346	0644	edit dl rm
padlock.h	438	0644	edit dl rm
pcrypt.h	815	0644	edit dl rm
pkcs7.h	1181	0644	edit dl rm
poly1305.h	2500	0644	edit dl rm
public_key.h	2440	0644	edit dl rm
rng.h	6748	0644	edit dl rm
scatterwalk.h	3989	0644	edit dl rm
serpent.h	696	0644	edit dl rm
sha1.h	1210	0644	edit dl rm
sha1_base.h	2512	0644	edit dl rm
sha2.h	3849	0644	edit dl rm
sha3.h	879	0644	edit dl rm
sha256_base.h	2621	0644	edit dl rm
sha512_base.h	3255	0644	edit dl rm
skcipher.h	20428	0644	edit dl rm
sm2.h	749	0644	edit dl rm
sm3.h	897	0644	edit dl rm
sm3_base.h	2608	0644	edit dl rm
sm4.h	1144	0644	edit dl rm
streebog.h	949	0644	edit dl rm
twofish.h	743	0644	edit dl rm
xts.h	1125	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/include/crypto/nhpoly1305.h (2236B)

/* 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 */

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