Mercurial > dropbear
comparison eax_encrypt_authenticate_memory.c @ 0:d7da3b1e1540 libtomcrypt
put back the 0.95 makefile which was inadvertently merged over
author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 31 May 2004 18:21:40 +0000 |
parents | |
children | 5d99163f7e32 |
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-1:000000000000 | 0:d7da3b1e1540 |
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis | |
2 * | |
3 * LibTomCrypt is a library that provides various cryptographic | |
4 * algorithms in a highly modular and flexible manner. | |
5 * | |
6 * The library is free for all purposes without any express | |
7 * guarantee it works. | |
8 * | |
9 * Tom St Denis, [email protected], http://libtomcrypt.org | |
10 */ | |
11 | |
12 /* EAX Implementation by Tom St Denis */ | |
13 #include "mycrypt.h" | |
14 | |
15 #ifdef EAX_MODE | |
16 | |
17 int eax_encrypt_authenticate_memory(int cipher, | |
18 const unsigned char *key, unsigned long keylen, | |
19 const unsigned char *nonce, unsigned long noncelen, | |
20 const unsigned char *header, unsigned long headerlen, | |
21 const unsigned char *pt, unsigned long ptlen, | |
22 unsigned char *ct, | |
23 unsigned char *tag, unsigned long *taglen) | |
24 { | |
25 int err; | |
26 eax_state eax; | |
27 | |
28 if ((err = eax_init(&eax, cipher, key, keylen, nonce, noncelen, header, headerlen)) != CRYPT_OK) { | |
29 return err; | |
30 } | |
31 | |
32 if ((err = eax_encrypt(&eax, pt, ct, ptlen)) != CRYPT_OK) { | |
33 return err; | |
34 } | |
35 | |
36 if ((err = eax_done(&eax, tag, taglen)) != CRYPT_OK) { | |
37 return err; | |
38 } | |
39 | |
40 return CRYPT_OK; | |
41 } | |
42 | |
43 #endif |