Mercurial > dropbear
annotate libtomcrypt/src/mac/pmac/pmac_memory.c @ 1102:ae63de5caf81
Turn ChanSess's tty and term attributes into char *
author | Gaël PORTAY <gael.portay@gmail.com> |
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date | Sat, 02 May 2015 16:01:13 +0200 |
parents | 0cbe8f6dbf9e |
children | f849a5ca2efc |
rev | line source |
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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 pmac_memory.c |
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15 PMAC implementation, process a block of memory, by Tom St Denis |
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16 */ |
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17 |
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18 #ifdef LTC_PMAC |
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19 |
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20 /** |
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21 PMAC a block of memory |
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22 @param cipher The index of the cipher desired |
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23 @param key The secret key |
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24 @param keylen The length of the secret key (octets) |
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25 @param in The data you wish to send through PMAC |
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26 @param inlen The length of data you wish to send through PMAC (octets) |
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27 @param out [out] Destination for the authentication tag |
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28 @param outlen [in/out] The max size and resulting size of the authentication tag |
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29 @return CRYPT_OK if successful |
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30 */ |
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31 int pmac_memory(int cipher, |
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32 const unsigned char *key, unsigned long keylen, |
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33 const unsigned char *in, unsigned long inlen, |
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34 unsigned char *out, unsigned long *outlen) |
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35 { |
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36 int err; |
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37 pmac_state *pmac; |
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38 |
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39 LTC_ARGCHK(key != NULL); |
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40 LTC_ARGCHK(in != NULL); |
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41 LTC_ARGCHK(out != NULL); |
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42 LTC_ARGCHK(outlen != NULL); |
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43 |
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44 /* allocate ram for pmac state */ |
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45 pmac = XMALLOC(sizeof(pmac_state)); |
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46 if (pmac == NULL) { |
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47 return CRYPT_MEM; |
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48 } |
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49 |
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50 if ((err = pmac_init(pmac, cipher, key, keylen)) != CRYPT_OK) { |
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51 goto LBL_ERR; |
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52 } |
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53 if ((err = pmac_process(pmac, in, inlen)) != CRYPT_OK) { |
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54 goto LBL_ERR; |
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55 } |
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56 if ((err = pmac_done(pmac, out, outlen)) != CRYPT_OK) { |
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57 goto LBL_ERR; |
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58 } |
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59 |
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60 err = CRYPT_OK; |
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61 LBL_ERR: |
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62 #ifdef LTC_CLEAN_STACK |
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63 zeromem(pmac, sizeof(pmac_state)); |
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64 #endif |
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65 |
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66 XFREE(pmac); |
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67 return err; |
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68 } |
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69 |
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70 #endif |
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71 |
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72 /* $Source: /cvs/libtom/libtomcrypt/src/mac/pmac/pmac_memory.c,v $ */ |
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73 /* $Revision: 1.5 $ */ |
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74 /* $Date: 2006/11/03 00:39:49 $ */ |