Mercurial > dropbear

annotate libtomcrypt/src/modes/f8/f8_getiv.c @ 1452:15d4b821bcc9

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fix checkpubkey_line function name for TRACE
author Matt Johnston <matt@ucc.asn.au>
date Wed, 04 Oct 2017 22:30:18 +0800
parents f849a5ca2efc
children 6dba84798cd5
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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://libtom.org
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10 */
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11 #include "tomcrypt.h"
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12
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13 /**
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14 @file ofb_getiv.c
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15 F8 implementation, get IV, Tom St Denis
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16 */
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17
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18 #ifdef LTC_F8_MODE
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19
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20 /**
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21 Get the current initial vector
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22 @param IV [out] The destination of the initial vector
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23 @param len [in/out] The max size and resulting size of the initial vector
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24 @param f8 The F8 state
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25 @return CRYPT_OK if successful
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26 */
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27 int f8_getiv(unsigned char *IV, unsigned long *len, symmetric_F8 *f8)
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28 {
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29 LTC_ARGCHK(IV != NULL);
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30 LTC_ARGCHK(len != NULL);
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31 LTC_ARGCHK(f8 != NULL);
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32 if ((unsigned long)f8->blocklen > *len) {
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33 *len = f8->blocklen;
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34 return CRYPT_BUFFER_OVERFLOW;
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35 }
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36 XMEMCPY(IV, f8->IV, f8->blocklen);
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37 *len = f8->blocklen;
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38
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39 return CRYPT_OK;
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40 }
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41
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42 #endif
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43
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44 /* $Source$ */
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45 /* $Revision$ */
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46 /* $Date$ */