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comparison libtomcrypt/src/encauth/eax/eax_encrypt_authenticate_memory.c @ 1471:6dba84798cd5

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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
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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 9
12 /** 10 /**
13 @file eax_encrypt_authenticate_memory.c 11 @file eax_encrypt_authenticate_memory.c
14 EAX implementation, encrypt a block of memory, by Tom St Denis 12 EAX implementation, encrypt a block of memory, by Tom St Denis
51 LTC_ARGCHK(taglen != NULL); 49 LTC_ARGCHK(taglen != NULL);
52 50
53 eax = XMALLOC(sizeof(*eax)); 51 eax = XMALLOC(sizeof(*eax));
54 52
55 if ((err = eax_init(eax, cipher, key, keylen, nonce, noncelen, header, headerlen)) != CRYPT_OK) { 53 if ((err = eax_init(eax, cipher, key, keylen, nonce, noncelen, header, headerlen)) != CRYPT_OK) {
56 goto LBL_ERR; 54 goto LBL_ERR;
57 } 55 }
58 56
59 if ((err = eax_encrypt(eax, pt, ct, ptlen)) != CRYPT_OK) { 57 if ((err = eax_encrypt(eax, pt, ct, ptlen)) != CRYPT_OK) {
60 goto LBL_ERR; 58 goto LBL_ERR;
61 } 59 }
62 60
63 if ((err = eax_done(eax, tag, taglen)) != CRYPT_OK) { 61 if ((err = eax_done(eax, tag, taglen)) != CRYPT_OK) {
64 goto LBL_ERR; 62 goto LBL_ERR;
65 } 63 }
66 64
67 err = CRYPT_OK; 65 err = CRYPT_OK;
68 LBL_ERR: 66 LBL_ERR:
69 #ifdef LTC_CLEAN_STACK 67 #ifdef LTC_CLEAN_STACK
70 zeromem(eax, sizeof(*eax)); 68 zeromem(eax, sizeof(*eax));
71 #endif 69 #endif
72 70
73 XFREE(eax); 71 XFREE(eax);
74 72
75 return err; 73 return err;
76 } 74 }
77 75
78 #endif 76 #endif
79 77
80 /* $Source$ */ 78 /* ref: $Format:%D$ */
81 /* $Revision$ */ 79 /* git commit: $Format:%H$ */
82 /* $Date$ */ 80 /* commit time: $Format:%ai$ */