blob: 60f09de596bfd6bb9f9acd50e8f1666e01a7d490 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*
* Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
*/
#include "tomcrypt.h"
/**
@file der_length_utctime.c
ASN.1 DER, get length of UTCTIME, Tom St Denis
*/
#ifdef LTC_DER
/**
Gets length of DER encoding of UTCTIME
@param utctime The UTC time structure to get the size of
@param outlen [out] The length of the DER encoding
@return CRYPT_OK if successful
*/
int der_length_utctime(ltc_utctime *utctime, unsigned long *outlen)
{
LTC_ARGCHK(outlen != NULL);
LTC_ARGCHK(utctime != NULL);
if (utctime->off_hh == 0 && utctime->off_mm == 0) {
/* we encode as YYMMDDhhmmssZ */
*outlen = 2 + 13;
} else {
/* we encode as YYMMDDhhmmss{+|-}hh'mm' */
*outlen = 2 + 17;
}
return CRYPT_OK;
}
#endif
/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/utctime/der_length_utctime.c,v $ */
/* $Revision: 1.4 $ */
/* $Date: 2006/03/31 14:15:35 $ */
|