Mercurial > dropbear

annotate libtomcrypt/src/modes/lrw/lrw_getiv.c @ 1629:258b57b208ae

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Fix for issue successfull login of disabled user (#78) This commit introduces fix for scenario: 1. Root login disabled on dropbear 2. PAM authentication model enabled While login as root user, after prompt for password user is being notified about login failrue, but after second attempt of prompt for password within same session, login becames succesfull. Signed-off-by: Pawel Rapkiewicz <[email protected]>
author vincentto13 <33652988+vincentto13@users.noreply.github.com>
date Wed, 20 Mar 2019 15:03:40 +0100
parents 6dba84798cd5
children
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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 #include "tomcrypt.h"
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10
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11 /**
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12 @file lrw_getiv.c
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13 LRW_MODE implementation, Retrieve the current IV, Tom St Denis
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14 */
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15
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16 #ifdef LTC_LRW_MODE
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17
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18 /**
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19 Get the IV for LRW
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20 @param IV [out] The IV, must be 16 octets
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21 @param len Length ... must be at least 16 :-)
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22 @param lrw The LRW state to read
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23 @return CRYPT_OK if successful
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24 */
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25 int lrw_getiv(unsigned char *IV, unsigned long *len, symmetric_LRW *lrw)
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26 {
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27 LTC_ARGCHK(IV != NULL);
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28 LTC_ARGCHK(len != NULL);
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29 LTC_ARGCHK(lrw != NULL);
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30 if (*len < 16) {
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31 *len = 16;
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32 return CRYPT_BUFFER_OVERFLOW;
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33 }
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34
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35 XMEMCPY(IV, lrw->IV, 16);
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36 *len = 16;
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37 return CRYPT_OK;
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38 }
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39
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40 #endif
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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41 /* ref: $Format:%D$ */
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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42 /* git commit: $Format:%H$ */
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43 /* commit time: $Format:%ai$ */