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Fix sig->tag update in mbedtls_x509_get_sig()

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This commit is contained in:
Andres AG
2016-09-19 16:58:45 +01:00
parent c49b808ae4
commit 4bdbe09f90
2 changed files with 6 additions and 1 deletions
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4
library/x509.c
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@ -559,16 +559,18 @@ int mbedtls_x509_get_sig( unsigned char **p, const unsigned char *end, mbedtls_x
{
int ret;
size_t len;
int tag_type;
if( ( end - *p ) < 1 )
return( MBEDTLS_ERR_X509_INVALID_SIGNATURE +
MBEDTLS_ERR_ASN1_OUT_OF_DATA );
sig->tag = **p;
tag_type = **p;
if( ( ret = mbedtls_asn1_get_bitstring_null( p, end, &len ) ) != 0 )
return( MBEDTLS_ERR_X509_INVALID_SIGNATURE + ret );
sig->tag = tag_type;
sig->len = len;
sig->p = *p;