Mercurial > dropbear

annotate libtomcrypt/src/pk/dsa/dsa_shared_secret.c @ 1938:77bc00dcc19f default tip main master

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Bump version to 2022.82
author Matt Johnston <matt@ucc.asn.au>
date Fri, 01 Apr 2022 14:43:27 +0800
parents 6dba84798cd5
children
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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2 *
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3 * LibTomCrypt is a library that provides various cryptographic
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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7 * guarantee it works.
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8 */
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9 #include "tomcrypt.h"
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10
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11 /**
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12 @file dsa_shared_secret.c
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13 DSA Crypto, Tom St Denis
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14 */
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16 #ifdef LTC_MDSA
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18 /**
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19 Create a DSA shared secret between two keys
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20 @param private_key The private DSA key (the exponent)
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21 @param base The base of the exponentiation (allows this to be used for both encrypt and decrypt)
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22 @param public_key The public key
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23 @param out [out] Destination of the shared secret
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24 @param outlen [in/out] The max size and resulting size of the shared secret
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25 @return CRYPT_OK if successful
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26 */
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27 int dsa_shared_secret(void *private_key, void *base,
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28 dsa_key *public_key,
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29 unsigned char *out, unsigned long *outlen)
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30 {
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31 unsigned long x;
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32 void *res;
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33 int err;