Mercurial > dropbear

annotate libtomcrypt/src/modes/lrw/lrw_encrypt.c @ 1630:9579377b5f8b

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use strlcpy & strlcat (#74) * refactor checkpubkeyperms() with safe BSD functions fix gcc8 warnings ``` svr-authpubkey.c: In function 'checkpubkeyperms': svr-authpubkey.c:427:2: warning: 'strncat' specified bound 5 equals source length [-Wstringop-overflow=] strncat(filename, "/.ssh", 5); /* strlen("/.ssh") == 5 */ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ svr-authpubkey.c:433:2: warning: 'strncat' specified bound 16 equals source length [-Wstringop-overflow=] strncat(filename, "/authorized_keys", 16); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ``` see https://www.sudo.ws/todd/papers/strlcpy.html * restore strlcpy in xstrdup see original https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/xmalloc.c?rev=1.16
author François Perrad <francois.perrad@gadz.org>
date Wed, 20 Mar 2019 15:09:19 +0100
parents 6dba84798cd5
children
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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_encrypt.c
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13 LRW_MODE implementation, Encrypt blocks, Tom St Denis
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14 */
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16 #ifdef LTC_LRW_MODE
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6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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17
382
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18 /**
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19 LRW encrypt blocks
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20 @param pt The plaintext
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21 @param ct [out] The ciphertext
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22 @param len The length in octets, must be a multiple of 16
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23 @param lrw The LRW state
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24 */
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25 int lrw_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_LRW *lrw)
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26 {
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27 int err;
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28
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29 LTC_ARGCHK(pt != NULL);
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30 LTC_ARGCHK(ct != NULL);
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31 LTC_ARGCHK(lrw != NULL);
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32
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33 if ((err = cipher_is_valid(lrw->cipher)) != CRYPT_OK) {
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34 return err;
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35 }
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37 if (cipher_descriptor[lrw->cipher].accel_lrw_encrypt != NULL) {
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38 return cipher_descriptor[lrw->cipher].accel_lrw_encrypt(pt, ct, len, lrw->IV, lrw->tweak, &lrw->key);
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39 }
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41 return lrw_process(pt, ct, len, LRW_ENCRYPT, lrw);
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42 }
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45 #endif
1471
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46 /* ref: $Format:%D$ */
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47 /* git commit: $Format:%H$ */
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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48 /* commit time: $Format:%ai$ */