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comparison libtomcrypt/src/pk/asn1/der/boolean/der_encode_boolean.c @ 382:0cbe8f6dbf9e

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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f) to branch 'au.asn.ucc.matt.dropbear' (head 02c413252c90e9de8e03d91e9939dde3029f5c0a)
author Matt Johnston <matt@ucc.asn.au>
date Thu, 11 Jan 2007 02:41:05 +0000
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children f849a5ca2efc
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379:b66a00272a90 382:0cbe8f6dbf9e
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.com
10 */
11 #include "tomcrypt.h"
12
13 /**
14 @file der_encode_boolean.c
15 ASN.1 DER, encode a BOOLEAN, Tom St Denis
16 */
17
18
19 #ifdef LTC_DER
20
21 /**
22 Store a BOOLEAN
23 @param in The boolean to encode
24 @param out [out] The destination for the DER encoded BOOLEAN
25 @param outlen [in/out] The max size and resulting size of the DER BOOLEAN
26 @return CRYPT_OK if successful
27 */
28 int der_encode_boolean(int in,
29 unsigned char *out, unsigned long *outlen)
30 {
31 LTC_ARGCHK(outlen != NULL);
32 LTC_ARGCHK(out != NULL);
33
34 if (*outlen < 3) {
35 *outlen = 3;
36 return CRYPT_BUFFER_OVERFLOW;
37 }
38
39 *outlen = 3;
40 out[0] = 0x01;
41 out[1] = 0x01;
42 out[2] = in ? 0xFF : 0x00;
43
44 return CRYPT_OK;
45 }
46
47 #endif
48
49 /* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/boolean/der_encode_boolean.c,v $ */
50 /* $Revision: 1.3 $ */
51 /* $Date: 2006/06/16 21:53:41 $ */