Gecko [ paroquia-rio-de-mouro.pt ]

Name	Size	Permission	Date
internal	[ DIR ]	drwxr-xr-x	2021-04-21 07:33
ablk_helper.h	734 B	-rw-r--r--	2016-01-11 00:01
aead.h	18.71 KB	-rw-r--r--	2016-01-11 00:01
aes.h	1019 B	-rw-r--r--	2016-01-11 00:01
akcipher.h	11.52 KB	-rw-r--r--	2016-01-11 00:01
algapi.h	10.31 KB	-rw-r--r--	2016-01-11 00:01
authenc.h	845 B	-rw-r--r--	2016-01-11 00:01
b128ops.h	2.41 KB	-rw-r--r--	2016-01-11 00:01
blowfish.h	376 B	-rw-r--r--	2016-01-11 00:01
cast5.h	551 B	-rw-r--r--	2016-01-11 00:01
cast6.h	597 B	-rw-r--r--	2016-01-11 00:01
cast_common.h	193 B	-rw-r--r--	2016-01-11 00:01
chacha20.h	595 B	-rw-r--r--	2016-01-11 00:01
compress.h	4.03 KB	-rw-r--r--	2016-01-11 00:01
cryptd.h	1.84 KB	-rw-r--r--	2016-01-11 00:01
crypto_wq.h	122 B	-rw-r--r--	2016-01-11 00:01
ctr.h	524 B	-rw-r--r--	2016-01-11 00:01
des.h	503 B	-rw-r--r--	2016-01-11 00:01
dh.h	2.61 KB	-rw-r--r--	2021-04-16 11:57
drbg.h	8.57 KB	-rw-r--r--	2016-01-11 00:01
ecdh.h	2.66 KB	-rw-r--r--	2021-04-16 11:57
gf128mul.h	8.04 KB	-rw-r--r--	2016-01-11 00:01
ghash.h	342 B	-rw-r--r--	2021-04-16 11:57
hash.h	29.56 KB	-rw-r--r--	2021-04-16 11:57
hash_info.h	1.13 KB	-rw-r--r--	2021-04-16 11:57
if_alg.h	2.46 KB	-rw-r--r--	2021-04-16 11:57
kpp.h	9.22 KB	-rw-r--r--	2021-04-16 11:57
lrw.h	1.18 KB	-rw-r--r--	2016-01-11 00:01
mcryptd.h	2.33 KB	-rw-r--r--	2021-04-16 11:57
md5.h	401 B	-rw-r--r--	2016-01-11 00:01
null.h	303 B	-rw-r--r--	2016-01-11 00:01
padlock.h	649 B	-rw-r--r--	2016-01-11 00:01
pcrypt.h	1.4 KB	-rw-r--r--	2016-01-11 00:01
pkcs7.h	1.2 KB	-rw-r--r--	2016-01-11 00:01
poly1305.h	881 B	-rw-r--r--	2021-04-16 11:57
public_key.h	2.79 KB	-rw-r--r--	2021-04-16 11:57
rng.h	6.59 KB	-rw-r--r--	2016-01-11 00:01
scatterwalk.h	2.91 KB	-rw-r--r--	2016-01-11 00:01
serpent.h	673 B	-rw-r--r--	2016-01-11 00:01
sha.h	2.66 KB	-rw-r--r--	2016-01-11 00:01
sha1_base.h	2.47 KB	-rw-r--r--	2016-01-11 00:01
sha256_base.h	3.03 KB	-rw-r--r--	2016-01-11 00:01
sha512_base.h	3.19 KB	-rw-r--r--	2016-01-11 00:01
skcipher.h	15.63 KB	-rw-r--r--	2021-04-16 11:57
twofish.h	716 B	-rw-r--r--	2016-01-11 00:01
xts.h	1.19 KB	-rw-r--r--	2021-04-16 11:57

Rename

/*
 * 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
 * @g:		Diffie-Hellman generator G
 * @key_size:	Size of the private DH key
 * @p_size:	Size of DH parameter P
 * @g_size:	Size of DH generator G
 */
struct dh {
	void *key;
	void *p;
	void *g;
	unsigned int key_size;
	unsigned int p_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
 */
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