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/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/include/crypto/

/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/include/crypto

Name	Size	Mode	Actions
internal/	-	0755	rm
acompress.h	8120	0644	edit dl rm
aead.h	18729	0644	edit dl rm
aes.h	1058	0644	edit dl rm
akcipher.h	11989	0644	edit dl rm
algapi.h	12163	0644	edit dl rm
arc4.h	484	0644	edit dl rm
authenc.h	845	0644	edit dl rm
b128ops.h	2471	0644	edit dl rm
blowfish.h	415	0644	edit dl rm
cast5.h	590	0644	edit dl rm
cast6.h	636	0644	edit dl rm
cast_common.h	232	0644	edit dl rm
cbc.h	3562	0644	edit dl rm
chacha20.h	638	0644	edit dl rm
cryptd.h	2562	0644	edit dl rm
crypto_wq.h	161	0644	edit dl rm
ctr.h	1666	0644	edit dl rm
des.h	1403	0644	edit dl rm
dh.h	2784	0644	edit dl rm
drbg.h	9160	0644	edit dl rm
ecdh.h	2733	0644	edit dl rm
engine.h	4202	0644	edit dl rm
gcm.h	140	0644	edit dl rm
gf128mul.h	9647	0644	edit dl rm
ghash.h	381	0644	edit dl rm
hash.h	33386	0644	edit dl rm
hash_info.h	1153	0644	edit dl rm
hmac.h	173	0644	edit dl rm
if_alg.h	7189	0644	edit dl rm
kpp.h	9926	0644	edit dl rm
md5.h	497	0644	edit dl rm
morus640_glue.h	4585	0644	edit dl rm
morus1280_glue.h	4647	0644	edit dl rm
morus_common.h	720	0644	edit dl rm
null.h	346	0644	edit dl rm
padlock.h	649	0644	edit dl rm
pcrypt.h	1435	0644	edit dl rm
pkcs7.h	1388	0644	edit dl rm
poly1305.h	920	0644	edit dl rm
public_key.h	2126	0644	edit dl rm
rng.h	6820	0644	edit dl rm
scatterwalk.h	3755	0644	edit dl rm
serpent.h	712	0644	edit dl rm
sha.h	4350	0644	edit dl rm
sha1_base.h	2532	0644	edit dl rm
sha3.h	879	0644	edit dl rm
sha256_base.h	2629	0644	edit dl rm
sha512_base.h	3271	0644	edit dl rm
skcipher.h	23381	0644	edit dl rm
sm3.h	833	0644	edit dl rm
sm3_base.h	3024	0644	edit dl rm
sm4.h	754	0644	edit dl rm
speck.h	1357	0644	edit dl rm
twofish.h	755	0644	edit dl rm
xts.h	1385	0644	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/include/crypto/dh.h (2784B)

/*
 * Diffie-Hellman secret to be used with kpp API along with helper functions
 *
 * Copyright (c) 2016, Intel Corporation
 * Authors: Salvatore Benedetto <salvatore.benedetto@intel.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 */
#ifndef _CRYPTO_DH_
#define _CRYPTO_DH_

/**
 * DOC: DH Helper Functions
 *
 * To use DH with the KPP cipher API, the following data structure and
 * functions should be used.
 *
 * To use DH with KPP, the following functions should be used to operate on
 * a DH private key. The packet private key that can be set with
 * the KPP API function call of crypto_kpp_set_secret.
 */

/**
 * struct dh - define a DH private key
 *
 * @key:	Private DH key
 * @p:		Diffie-Hellman parameter P
 * @q:		Diffie-Hellman parameter Q
 * @g:		Diffie-Hellman generator G
 * @key_size:	Size of the private DH key
 * @p_size:	Size of DH parameter P
 * @q_size:	Size of DH parameter Q
 * @g_size:	Size of DH generator G
 */
struct dh {
	void *key;
	void *p;
	void *q;
	void *g;
	unsigned int key_size;
	unsigned int p_size;
	unsigned int q_size;
	unsigned int g_size;
};

/**
 * crypto_dh_key_len() - Obtain the size of the private DH key
 * @params:	private DH key
 *
 * This function returns the packet DH key size. A caller can use that
 * with the provided DH private key reference to obtain the required
 * memory size to hold a packet key.
 *
 * Return: size of the key in bytes
 */
unsigned int crypto_dh_key_len(const struct dh *params);

/**
 * crypto_dh_encode_key() - encode the private key
 * @buf:	Buffer allocated by the caller to hold the packet DH
 *		private key. The buffer should be at least crypto_dh_key_len
 *		bytes in size.
 * @len:	Length of the packet private key buffer
 * @params:	Buffer with the caller-specified private key
 *
 * The DH implementations operate on a packet representation of the private
 * key.
 *
 * Return:	-EINVAL if buffer has insufficient size, 0 on success
 */
int crypto_dh_encode_key(char *buf, unsigned int len, const struct dh *params);

/**
 * crypto_dh_decode_key() - decode a private key
 * @buf:	Buffer holding a packet key that should be decoded
 * @len:	Length of the packet private key buffer
 * @params:	Buffer allocated by the caller that is filled with the
 *		unpacked DH private key.
 *
 * The unpacking obtains the private key by pointing @p to the correct location
 * in @buf. Thus, both pointers refer to the same memory.
 *
 * Return:	-EINVAL if buffer has insufficient size, 0 on success
 */
int crypto_dh_decode_key(const char *buf, unsigned int len, struct dh *params);

#endif

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