comparison src/encauth/eax/eax_addheader.c @ 191:1c15b283127b libtomcrypt-orig

Import of libtomcrypt 1.02 with manual path rename rearrangement etc
author Matt Johnston <matt@ucc.asn.au>
date Fri, 06 May 2005 13:23:02 +0000
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children 39d5d58461d6
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143:5d99163f7e32 191:1c15b283127b
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 @file eax_addheader.c
13 EAX implementation, add meta-data, by Tom St Denis
14 */
15 #include "tomcrypt.h"
16
17 #ifdef EAX_MODE
18
19 /**
20 add header (metadata) to the stream
21 @param eax The current EAX state
22 @param header The header (meta-data) data you wish to add to the state
23 @param length The length of the header data
24 @return CRYPT_OK if successful
25 */
26 int eax_addheader(eax_state *eax, const unsigned char *header,
27 unsigned long length)
28 {
29 LTC_ARGCHK(eax != NULL);
30 LTC_ARGCHK(header != NULL);
31 return omac_process(&eax->headeromac, header, length);
32 }
33
34 #endif