Mercurial > dropbear
annotate libtomcrypt/src/mac/f9/f9_memory.c @ 1486:cf43bbb6b8ff
limit travis branches
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sat, 10 Feb 2018 19:06:30 +0800 |
parents | 6dba84798cd5 |
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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 f9_process.c |
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13 f9 Support, Process a block through F9-MAC |
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14 */ |
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15 |
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16 #ifdef LTC_F9_MODE |
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17 |
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18 /** f9-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 */ |
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28 int f9_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 f9_state *f9; |
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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].f9_memory != NULL) { |
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43 return cipher_descriptor[cipher].f9_memory(key, keylen, in, inlen, out, outlen); |
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44 } |
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45 |
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46 f9 = XCALLOC(1, sizeof(*f9)); |
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47 if (f9 == 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 = f9_init(f9, 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 = f9_process(f9, 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 = f9_done(f9, out, outlen); |
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60 done: |
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61 XFREE(f9); |
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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 |
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67 /* ref: $Format:%D$ */ |
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68 /* git commit: $Format:%H$ */ |
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69 /* commit time: $Format:%ai$ */ |