generate raw signature using openssl

We can generate signature of PKCS#7 using pkcs7_lib.c and PKCS7 object. But what if we want to generate a RAW Signature. what is the header file and method calls need to generate RAW Signature using openssl. Thanks. -- View this message in context: http://old.nabble.com/generate-raw-signature

faled to read serial number(ASN1_INTEGER) from x509 certiticate using openssl

How to read certificate details ( serial number, issuer , subject details) from x509 certificate using Openssl. I parsed P12 file using PKCS12_parse(), then retrieved serial number in ASN1_INTEGER format from objtained x509 certificate. But how do I parse it so that it can be read. -- View this