Decode Pem Certificate Python

Decode Pem Certificate Python

In this post, we will learn how to decode certificate (pem file) in python.

Below python code is using pyasn1 library to read certificate pem version and parsing it into asn1 as per rfc2459 spec.

 from pyasn1_modules import pem, rfc2459  
 from pyasn1.codec.der import decoder  
 substrate = pem.readPemFromFile(open('cert.pem'))  
 cert = decoder.decode(substrate, asn1Spec=rfc2459.Certificate())[0]  
 print(cert.prettyPrint())  

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