Mercurial > dropbear

annotate libtomcrypt/src/mac/f9/f9_memory_multi.c @ 1936:4528afefe45d

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Fix IPv6 address parsing for dbclient -b Now can correctly handle '-b [ipv6address]:port' Code is shared with dropbear -p, though they handle colon-less arguments differently
author Matt Johnston <matt@ucc.asn.au>
date Fri, 01 Apr 2022 14:13:52 +0800
parents 6dba84798cd5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
382
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diff changeset
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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diff changeset
9 #include "tomcrypt.h"
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10 #include <stdarg.h>
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11
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents: 1435
diff changeset
12 /**
382
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13 @file f9_memory_multi.c
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diff changeset
14 f9 support, process multiple blocks of memory, Tom St Denis
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15 */
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16
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17 #ifdef LTC_F9_MODE
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18
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19 /**
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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parents: 1435
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20 f9 multiple blocks of memory
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21 @param cipher The index of the desired cipher
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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] The destination of the authentication tag
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25 @param outlen [in/out] The max size and resulting size of the authentication tag (octets)
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26 @param in The data to send through f9
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27 @param inlen The length of the data to send through f9 (octets)
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28 @param ... tuples of (data,len) pairs to f9, terminated with a (NULL,x) (x=don't care)
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29 @return CRYPT_OK if successful
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30 */
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents: 1435
diff changeset
31 int f9_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 f9_state *f9;
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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 f9 state */
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48 f9 = XMALLOC(sizeof(f9_state));
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49 if (f9 == NULL) {
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50 return CRYPT_MEM;
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51 }
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52
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53 /* f9 process the message */
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54 if ((err = f9_init(f9, cipher, key, keylen)) != CRYPT_OK) {
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55 goto LBL_ERR;
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56 }
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57 va_start(args, inlen);
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents: 1435
diff changeset
58 curptr = in;
382
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59 curlen = inlen;
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60 for (;;) {
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61 /* process buf */
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62 if ((err = f9_process(f9, curptr, curlen)) != CRYPT_OK) {
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63 goto LBL_ERR;
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64 }
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65 /* step to next */
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66 curptr = va_arg(args, const unsigned char*);
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67 if (curptr == NULL) {
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68 break;
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69 }
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70 curlen = va_arg(args, unsigned long);
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71 }
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72 if ((err = f9_done(f9, out, outlen)) != CRYPT_OK) {
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73 goto LBL_ERR;
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74 }
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diff changeset
75 LBL_ERR:
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76 #ifdef LTC_CLEAN_STACK
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77 zeromem(f9, sizeof(f9_state));
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78 #endif
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diff changeset
79 XFREE(f9);
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diff changeset
80 va_end(args);
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents: 1435
diff changeset
81 return err;
382
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82 }
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83
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84 #endif
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85
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents: 1435
diff changeset
86 /* ref: $Format:%D$ */
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents: 1435
diff changeset
87 /* git commit: $Format:%H$ */
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents: 1435
diff changeset
88 /* commit time: $Format:%ai$ */