Mercurial > dropbear

annotate libtomcrypt/src/mac/xcbc/xcbc_memory.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
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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 xcbc_process.c
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13 XCBC Support, XCBC-MAC a block of memory
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14 */
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15
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16 #ifdef LTC_XCBC
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17
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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18 /** XCBC-MAC a block of memory
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19 @param cipher Index of cipher to use
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20 @param key [in] Secret key
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21 @param keylen Length of key in octets
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22 @param in [in] Message to MAC
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23 @param inlen Length of input in octets
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24 @param out [out] Destination for the MAC tag
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25 @param outlen [in/out] Output size and final tag size
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26 Return CRYPT_OK on success.
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27 */
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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28 int xcbc_memory(int cipher,
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29 const unsigned char *key, unsigned long keylen,
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30 const unsigned char *in, unsigned long inlen,
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31 unsigned char *out, unsigned long *outlen)
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32 {
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33 xcbc_state *xcbc;
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34 int err;
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35
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36 /* is the cipher valid? */
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37 if ((err = cipher_is_valid(cipher)) != CRYPT_OK) {
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38 return err;
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39 }
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40
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41 /* Use accelerator if found */
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42 if (cipher_descriptor[cipher].xcbc_memory != NULL) {
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43 return cipher_descriptor[cipher].xcbc_memory(key, keylen, in, inlen, out, outlen);
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44 }
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45
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46 xcbc = XCALLOC(1, sizeof(*xcbc));
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47 if (xcbc == NULL) {
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48 return CRYPT_MEM;
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49 }
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50
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51 if ((err = xcbc_init(xcbc, cipher, key, keylen)) != CRYPT_OK) {
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52 goto done;
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53 }
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54
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55 if ((err = xcbc_process(xcbc, in, inlen)) != CRYPT_OK) {
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56 goto done;
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57 }
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58
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59 err = xcbc_done(xcbc, out, outlen);
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60 done:
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61 XFREE(xcbc);
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62 return err;
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63 }
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64
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65 #endif
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66
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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67 /* ref: $Format:%D$ */
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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68 /* git commit: $Format:%H$ */
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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69 /* commit time: $Format:%ai$ */