(Chilkat2-Python) Get Issuer Certificate Information

See more Certificates Examples

A certificate contains information about its issuer. This example demonstrates how to get the issuer information from a certificate.

Chilkat2 Python Downloads install with pip pip3 install chilkat2 or download... Python Module for Windows, Linux, Alpine Linux, MacOS, Solaris

import sys
import chilkat2

cert = chilkat2.Cert()

success = cert.LoadFromFile("qa_data/certs/sample.cer")
if (success == False):
    print(cert.LastErrorText)
    sys.exit()

# Get issuer information:

# -----------------------------------------------------------------------
# (Not all subject fields may exist depending on the issuer certificate.)
# -----------------------------------------------------------------------

# Issuer DN (Distinguished Name, i.e. all the Issuer subject parts)
print("DN: " + cert.IssuerDN)

# Common Subject parts:
# Issuer Common Name
print("CN: " + cert.IssuerCN)

# Issuer Country
print("C: " + cert.IssuerC)

# Issuer Email address
print("E: " + cert.IssuerE)

# Issuer Locality
print("L: " + cert.IssuerL)

# Issuer Organization
print("O: " + cert.IssuerO)

# Issuer Organizational Unit
print("OU: " + cert.IssuerOU)

# Issuer State
print("S: " + cert.IssuerS)