Mercurial > dropbear
annotate libtomcrypt/src/mac/blake2/blake2smac.c @ 1836:06c7ddbb9dd6
Add first channel tests
These initial tests are checking various edge cases of channel handling
that have cropped up over the years.
author | Matt Johnston <matt@codeconstruct.com.au> |
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date | Mon, 18 Oct 2021 14:22:37 +0800 |
parents | 6dba84798cd5 |
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rev | line source |
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1471
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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 |
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10 #include "tomcrypt.h" |
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11 |
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12 #ifdef LTC_BLAKE2SMAC |
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13 |
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14 /** |
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15 Initialize an BLAKE2S MAC context. |
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16 @param st The BLAKE2S MAC state |
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17 @param outlen The size of the MAC output (octets) |
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18 @param key The secret key |
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19 @param keylen The length of the secret key (octets) |
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20 @return CRYPT_OK if successful |
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21 */ |
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22 int blake2smac_init(blake2smac_state *st, unsigned long outlen, const unsigned char *key, unsigned long keylen) |
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23 { |
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24 LTC_ARGCHK(st != NULL); |
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25 LTC_ARGCHK(key != NULL); |
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26 return blake2s_init(st, outlen, key, keylen); |
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27 } |
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28 |
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29 /** |
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30 Process data through BLAKE2S MAC |
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31 @param st The BLAKE2S MAC state |
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32 @param in The data to send through HMAC |
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33 @param inlen The length of the data to HMAC (octets) |
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34 @return CRYPT_OK if successful |
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35 */ |
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36 int blake2smac_process(blake2smac_state *st, const unsigned char *in, unsigned long inlen) |
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37 { |
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38 if (inlen == 0) return CRYPT_OK; /* nothing to do */ |
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39 LTC_ARGCHK(st != NULL); |
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40 LTC_ARGCHK(in != NULL); |
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41 return blake2s_process(st, in, inlen); |
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42 } |
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43 |
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44 /** |
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45 Terminate a BLAKE2S MAC session |
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46 @param st The BLAKE2S MAC state |
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47 @param mac [out] The destination of the BLAKE2S MAC authentication tag |
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48 @param maclen [in/out] The max size and resulting size of the BLAKE2S MAC authentication tag |
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49 @return CRYPT_OK if successful |
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50 */ |
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51 int blake2smac_done(blake2smac_state *st, unsigned char *mac, unsigned long *maclen) |
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52 { |
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53 LTC_ARGCHK(st != NULL); |
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54 LTC_ARGCHK(mac != NULL); |
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55 LTC_ARGCHK(maclen != NULL); |
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56 LTC_ARGCHK(*maclen >= st->blake2s.outlen); |
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57 |
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58 *maclen = st->blake2s.outlen; |
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59 return blake2s_done(st, mac); |
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60 } |
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61 |
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62 #endif |
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63 |
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64 /* ref: $Format:%D$ */ |
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65 /* git commit: $Format:%H$ */ |
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66 /* commit time: $Format:%ai$ */ |