mirror of
https://github.com/Laupetin/OpenAssetTools.git
synced 2025-04-22 09:05:44 +00:00
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/* 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.
|
|
*/
|
|
#include "tomcrypt.h"
|
|
|
|
/**
|
|
@file der_decode_boolean.c
|
|
ASN.1 DER, decode a BOOLEAN, Tom St Denis
|
|
*/
|
|
|
|
|
|
#ifdef LTC_DER
|
|
|
|
/**
|
|
Read a BOOLEAN
|
|
@param in The destination for the DER encoded BOOLEAN
|
|
@param inlen The size of the DER BOOLEAN
|
|
@param out [out] The boolean to decode
|
|
@return CRYPT_OK if successful
|
|
*/
|
|
int der_decode_boolean(const unsigned char *in, unsigned long inlen,
|
|
int *out)
|
|
{
|
|
LTC_ARGCHK(in != NULL);
|
|
LTC_ARGCHK(out != NULL);
|
|
|
|
if (inlen < 3 || in[0] != 0x01 || in[1] != 0x01 || (in[2] != 0x00 && in[2] != 0xFF)) {
|
|
return CRYPT_INVALID_ARG;
|
|
}
|
|
|
|
*out = (in[2]==0xFF) ? 1 : 0;
|
|
|
|
return CRYPT_OK;
|
|
}
|
|
|
|
#endif
|
|
|
|
/* ref: HEAD -> master, tag: v1.18.2 */
|
|
/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
|
|
/* commit time: 2018-07-01 22:49:01 +0200 */
|