Mercurial > dropbear
annotate libtomcrypt/src/mac/pmac/pmac_memory_multi.c @ 1840:5c13e765ddbd
Only redirect stderr after the session login. That lets errors
get recorded on the server parent side, rather than being sent
over a SSH connection.
author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 18 Oct 2021 23:20:08 +0800 |
parents | 6dba84798cd5 |
children |
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 #include "tomcrypt.h" |
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10 #include <stdarg.h> |
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11 |
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12 /** |
285
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13 @file pmac_memory_multi.c |
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14 PMAC implementation, process multiple blocks of memory, by Tom St Denis |
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15 */ |
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16 |
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17 #ifdef LTC_PMAC |
285
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18 |
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19 /** |
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20 PMAC multiple blocks of memory |
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21 @param cipher The index of the cipher desired |
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22 @param key The secret key |
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23 @param keylen The length of the secret key (octets) |
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24 @param out [out] Destination for the authentication tag |
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25 @param outlen [in/out] The max size and resulting size of the authentication tag |
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26 @param in The data you wish to send through PMAC |
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27 @param inlen The length of data you wish to send through PMAC (octets) |
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28 @param ... tuples of (data,len) pairs to PMAC, terminated with a (NULL,x) (x=don't care) |
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29 @return CRYPT_OK if successful |
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30 */ |
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31 int pmac_memory_multi(int cipher, |
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32 const unsigned char *key, unsigned long keylen, |
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33 unsigned char *out, unsigned long *outlen, |
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34 const unsigned char *in, unsigned long inlen, ...) |
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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 va_list args; |
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39 const unsigned char *curptr; |
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40 unsigned long curlen; |
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41 |
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42 LTC_ARGCHK(key != NULL); |
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43 LTC_ARGCHK(in != NULL); |
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44 LTC_ARGCHK(out != NULL); |
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45 LTC_ARGCHK(outlen != NULL); |
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46 |
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47 /* allocate ram for pmac state */ |
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48 pmac = XMALLOC(sizeof(pmac_state)); |
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49 if (pmac == NULL) { |
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50 return CRYPT_MEM; |
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51 } |
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52 |
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53 if ((err = pmac_init(pmac, cipher, key, keylen)) != CRYPT_OK) { |
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54 goto LBL_ERR; |
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55 } |
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56 va_start(args, inlen); |
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57 curptr = in; |
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58 curlen = inlen; |
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59 for (;;) { |
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60 /* process buf */ |
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61 if ((err = pmac_process(pmac, curptr, curlen)) != CRYPT_OK) { |
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62 goto LBL_ERR; |
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63 } |
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64 /* step to next */ |
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65 curptr = va_arg(args, const unsigned char*); |
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66 if (curptr == NULL) { |
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67 break; |
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68 } |
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69 curlen = va_arg(args, unsigned long); |
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70 } |
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71 if ((err = pmac_done(pmac, out, outlen)) != CRYPT_OK) { |
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72 goto LBL_ERR; |
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73 } |
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74 LBL_ERR: |
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75 #ifdef LTC_CLEAN_STACK |
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76 zeromem(pmac, sizeof(pmac_state)); |
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77 #endif |
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78 XFREE(pmac); |
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79 va_end(args); |
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80 return err; |
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81 } |
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82 |
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83 #endif |
1b9e69c058d2
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
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84 |
1471
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
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85 /* ref: $Format:%D$ */ |
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
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86 /* git commit: $Format:%H$ */ |
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
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87 /* commit time: $Format:%ai$ */ |