Mercurial > dropbear

comparison libtomcrypt/src/modes/xts/xts_init.c @ 1471:6dba84798cd5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Update to libtomcrypt 1.18.1, merged with Dropbear changes
author Matt Johnston <matt@ucc.asn.au>
date Fri, 09 Feb 2018 21:44:05 +0800
parents f849a5ca2efc
children
comparison
equal deleted inserted replaced
1470:8bba51a55704 1471:6dba84798cd5
3 * LibTomCrypt is a library that provides various cryptographic 3 * LibTomCrypt is a library that provides various cryptographic
4 * algorithms in a highly modular and flexible manner. 4 * algorithms in a highly modular and flexible manner.
5 * 5 *
6 * The library is free for all purposes without any express 6 * The library is free for all purposes without any express
7 * guarantee it works. 7 * guarantee it works.
8 *
9 * Tom St Denis, [email protected], http://libtom.org
10 */ 8 */
11 #include "tomcrypt.h" 9 #include "tomcrypt.h"
12 10
13 /** 11 /**
14 Source donated by Elliptic Semiconductor Inc (www.ellipticsemi.com) to the LibTom Projects 12 Source donated by Elliptic Semiconductor Inc (www.ellipticsemi.com) to the LibTom Projects
15 */ 13 */
16 14
17 #ifdef LTC_XTS_MODE 15 #ifdef LTC_XTS_MODE
18
19 16
20 /** Start XTS mode 17 /** Start XTS mode
21 @param cipher The index of the cipher to use 18 @param cipher The index of the cipher to use
22 @param key1 The encrypt key 19 @param key1 The encrypt key
23 @param key2 The tweak encrypt key 20 @param key2 The tweak encrypt key
24 @param keylen The length of the keys (each) in octets 21 @param keylen The length of the keys (each) in octets
25 @param num_rounds The number of rounds for the cipher (0 == default) 22 @param num_rounds The number of rounds for the cipher (0 == default)
26 @param xts [out] XTS structure 23 @param xts [out] XTS structure
27 Returns CRYPT_OK upon success. 24 Returns CRYPT_OK upon success.
28 */ 25 */
29 int xts_start( int cipher, 26 int xts_start(int cipher, const unsigned char *key1, const unsigned char *key2, unsigned long keylen, int num_rounds,
30 const unsigned char *key1, 27 symmetric_xts *xts)
31 const unsigned char *key2,
32 unsigned long keylen,
33 int num_rounds,
34 symmetric_xts *xts)
35 { 28 {
36 int err; 29 int err;
37 30
38 /* check inputs */ 31 /* check inputs */
39 LTC_ARGCHK(key1 != NULL); 32 LTC_ARGCHK(key1 != NULL);
40 LTC_ARGCHK(key2 != NULL); 33 LTC_ARGCHK(key2 != NULL);
41 LTC_ARGCHK(xts != NULL); 34 LTC_ARGCHK(xts != NULL);
42 35
43 /* check if valid */ 36 /* check if valid */
44 if ((err = cipher_is_valid(cipher)) != CRYPT_OK) { 37 if ((err = cipher_is_valid(cipher)) != CRYPT_OK) {
45 return err; 38 return err;
46 } 39 }
61 return err; 54 return err;
62 } 55 }
63 56
64 #endif 57 #endif
65 58
66 /* $Source$ */ 59 /* ref: $Format:%D$ */
67 /* $Revision$ */ 60 /* git commit: $Format:%H$ */
68 /* $Date$ */ 61 /* commit time: $Format:%ai$ */
69