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- Allowed X509 key usage parsing to accept 4 byte values instead of the standard 1 byte version sometimes used by Microsoft. (Closes ticket #38)

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Paul Bakker 2011-11-11 15:01:31 +00:00
parent 03a30d34dc
commit cebdf17159
2 changed files with 3 additions and 1 deletions
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2
ChangeLog
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@ -26,6 +26,8 @@ Bugfix
ticket #37) ticket #37)
* Fixed a bug where the CRL parser expected an EXPLICIT ASN.1 tag * Fixed a bug where the CRL parser expected an EXPLICIT ASN.1 tag
before version numbers before version numbers
* Allowed X509 key usage parsing to accept 4 byte values instead of the
standard 1 byte version sometimes used by Microsoft. (Closes ticket #38)
= Version 1.0.0 released on 2011-07-27 = Version 1.0.0 released on 2011-07-27
Features Features

2
library/x509parse.c
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@ -749,7 +749,7 @@ static int x509_get_key_usage( unsigned char **p,
if( ( ret = asn1_get_bitstring( p, end, &bs ) ) != 0 ) if( ( ret = asn1_get_bitstring( p, end, &bs ) ) != 0 )
return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret );
if( bs.len != 1 ) if( bs.len > 1 )
return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS +
POLARSSL_ERR_ASN1_INVALID_LENGTH ); POLARSSL_ERR_ASN1_INVALID_LENGTH );