Chilkat2-Python

Subject Alternative Name

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Demonstrates the usage of the SubjectAlternativeName property to get the certificate SAN (subject alternative name) as XML. Chilkat2-Python

import sys
import chilkat2

success = False

# Note: Not all certificates contain a Subject Alternative Name.
# If it does not, the SubjectAlternativeName property will contain the empty string.

cert = chilkat2.Cert()

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

subjectAltNameXml = cert.SubjectAlternativeName

print(subjectAltNameXml)

# Here's a sample of the subjectAltNameXml:

# <?xml version="1.0" encoding="utf-8"?>
# <SubjectAltName>
#     <name type="oid" oid="2.16.76.1.3.4">...</name>
#     <name type="oid" oid="2.16.76.1.3.2">...</name>
#     <name type="oid" oid="2.16.76.1.3.3">...</name>
#     <name type="oid" oid="2.16.76.1.3.7">...</name>
#     <rfc822Name>...</rfc822Name>
# </SubjectAltName>

# The XML can be parsed like this:

xml = chilkat2.Xml()

xml.LoadXml(subjectAltNameXml)

i = 0
count_i = xml.NumChildrenHavingTag("name")
while i < count_i :
    xml.I = i
    oid = xml.ChilkatPath("name[i]|(oid)")
    name = xml.GetChildContent("name[i]")
    i = i + 1

rfc822Name = xml.GetChildContent("rfc822Name")