Mercurial > dropbear
view libtomcrypt/src/pk/asn1/der/boolean/der_decode_boolean.c @ 1180:1637dbd26212 DROPBEAR_2015.69
2015.69
author | Matt Johnston <matt@ucc.asn.au> |
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date | Wed, 25 Nov 2015 23:07:47 +0800 |
parents | 0cbe8f6dbf9e |
children | f849a5ca2efc |
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/* 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, [email protected], http://libtomcrypt.com */ #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 /* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/boolean/der_decode_boolean.c,v $ */ /* $Revision: 1.1 $ */ /* $Date: 2006/04/22 17:01:59 $ */