Mercurial > dropbear

annotate libtomcrypt/src/modes/lrw/lrw_encrypt.c @ 447:278805938dcf

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Patch from Nicolai Ehemann to try binding before going to the background, so that if it exits early (because something's already listening etc) then it will return an exitcode of 1.
author Matt Johnston <matt@ucc.asn.au>
date Thu, 19 Jul 2007 15:54:18 +0000
parents 0cbe8f6dbf9e
children f849a5ca2efc
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382
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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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12
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13 /**
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14 @file lrw_encrypt.c
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15 LRW_MODE implementation, Encrypt blocks, Tom St Denis
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16 */
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17
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18 #ifdef LTC_LRW_MODE
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19
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20 /**
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21 LRW encrypt blocks
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22 @param pt The plaintext
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23 @param ct [out] The ciphertext
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24 @param len The length in octets, must be a multiple of 16
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25 @param lrw The LRW state
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26 */
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27 int lrw_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_LRW *lrw)
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28 {
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29 int err;
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30
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31 LTC_ARGCHK(pt != NULL);
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32 LTC_ARGCHK(ct != NULL);
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33 LTC_ARGCHK(lrw != NULL);
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34
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35 if ((err = cipher_is_valid(lrw->cipher)) != CRYPT_OK) {
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36 return err;
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37 }
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38
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39 if (cipher_descriptor[lrw->cipher].accel_lrw_encrypt != NULL) {
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40 return cipher_descriptor[lrw->cipher].accel_lrw_encrypt(pt, ct, len, lrw->IV, lrw->tweak, &lrw->key);
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41 }
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42
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43 return lrw_process(pt, ct, len, LRW_ENCRYPT, lrw);
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44 }
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45
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46
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47 #endif
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48 /* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_encrypt.c,v $ */
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49 /* $Revision: 1.9 $ */
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50 /* $Date: 2006/06/29 01:53:13 $ */