Mercurial > dropbear

annotate libtomcrypt/src/mac/omac/omac_init.c @ 695:94aa1203be1e

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DSS_PROTOK is not necessary now that private keys are included in the random generation input
author Matt Johnston <matt@ucc.asn.au>
date Sat, 23 Feb 2013 17:55:46 +0800
parents 0cbe8f6dbf9e
children f849a5ca2efc
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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 * Tom St Denis, [email protected], http://libtomcrypt.com
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10 */
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11 #include "tomcrypt.h"
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13 /**
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14 @file omac_init.c
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15 OMAC1 support, initialize state, by Tom St Denis
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16 */
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18
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19 #ifdef LTC_OMAC
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21 /**
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22 Initialize an OMAC state
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23 @param omac The OMAC state to initialize
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24 @param cipher The index of the desired cipher
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25 @param key The secret key
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26 @param keylen The length of the secret key (octets)
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27 @return CRYPT_OK if successful
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28 */
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29 int omac_init(omac_state *omac, int cipher, const unsigned char *key, unsigned long keylen)
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30 {
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31 int err, x, y, mask, msb, len;
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33 LTC_ARGCHK(omac != NULL);
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