Mercurial > dropbear

annotate libtomcrypt/src/mac/pelican/pelican_memory.c @ 1663:c795520269f9

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Fallback for key gen without hard link support (#89) Add a non-atomic fallback for key generation on platforms where link() is not permitted (such as most stock Android installs) or on filesystems without hard link support (such as FAT).
author Matt Robinson <git@nerdoftheherd.com>
date Sat, 14 Mar 2020 14:37:35 +0000
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 pelican_memory.c
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13 Pelican MAC, MAC a block of memory, by Tom St Denis
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14 */
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16 #ifdef LTC_PELICAN
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18 /**
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19 Pelican block of memory
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20 @param key The key for the MAC
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21 @param keylen The length of the key (octets)
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22 @param in The input to MAC
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23 @param inlen The length of the input (octets)
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24 @param out [out] The output TAG
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25 @return CRYPT_OK on success
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26 */
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27 int pelican_memory(const unsigned char *key, unsigned long keylen,
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28 const unsigned char *in, unsigned long inlen,
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29 unsigned char *out)
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30 {
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31 pelican_state *pel;
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32 int err;
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34 pel = XMALLOC(sizeof(*pel));
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35 if (pel == NULL) {
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36 return CRYPT_MEM;
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37 }
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39 if ((err = pelican_init(pel, key, keylen)) != CRYPT_OK) {
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40 XFREE(pel);
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41 return err;
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42 }
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43 if ((err = pelican_process(pel, in ,inlen)) != CRYPT_OK) {
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44 XFREE(pel);
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45 return err;
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46 }
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47 err = pelican_done(pel, out);
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48 XFREE(pel);
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49 return err;
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50 }
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53 #endif
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54
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55 /* ref: $Format:%D$ */
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56 /* git commit: $Format:%H$ */
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57 /* commit time: $Format:%ai$ */