Mercurial > dropbear

comparison src/modes/ctr/ctr_encrypt.c @ 210:4768b55c5240 libtomcrypt

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propagate from branch 'au.asn.ucc.matt.ltc-orig' (head 33c416b902f1a44913d825bae7ad9a160f703ed3) to branch 'au.asn.ucc.matt.dropbear.ltc' (head 4d6aec6e6121e13f68c11c149b6579c41cb63e74)
author Matt Johnston <matt@ucc.asn.au>
date Wed, 06 Jul 2005 12:10:23 +0000
parents 39d5d58461d6
children
comparison
equal deleted inserted replaced
199:8be64e2c86f4 210:4768b55c5240
58 58
59 while (len) { 59 while (len) {
60 /* is the pad empty? */ 60 /* is the pad empty? */
61 if (ctr->padlen == ctr->blocklen) { 61 if (ctr->padlen == ctr->blocklen) {
62 /* increment counter */ 62 /* increment counter */
63 if (ctr->mode == 0) { 63 if (ctr->mode == CTR_COUNTER_LITTLE_ENDIAN) {
64 /* little-endian */ 64 /* little-endian */
65 for (x = 0; x < ctr->blocklen; x++) { 65 for (x = 0; x < ctr->blocklen; x++) {
66 ctr->ctr[x] = (ctr->ctr[x] + (unsigned char)1) & (unsigned char)255; 66 ctr->ctr[x] = (ctr->ctr[x] + (unsigned char)1) & (unsigned char)255;
67 if (ctr->ctr[x] != (unsigned char)0) { 67 if (ctr->ctr[x] != (unsigned char)0) {
68 break; 68 break;
100 } 100 }
101 return CRYPT_OK; 101 return CRYPT_OK;
102 } 102 }
103 103
104 #endif 104 #endif
105
106 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_encrypt.c,v $ */
107 /* $Revision: 1.13 $ */
108 /* $Date: 2005/05/05 14:35:59 $ */