Ruby

Subject Alternative Name for ICP Brasil Certs

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Demonstrates how to access the multiple names contained in the Subject Alternative Name of a certificate. This example is for an ICP Brasil certificate. Ruby

require 'chilkat'

success = false

cert = Chilkat::CkCert.new()

success = cert.LoadFromFile("qa_data/certs/testIcpBrasil.cer")
if (success == false)
    print cert.lastErrorText() + "\n";
    exit
end

# If the cert's Subject Alternative Name contains multiple values, each specified by an OID,
# then the Rfc822Name property returns XML.
subjectAltNameXml = cert.rfc822Name()

print subjectAltNameXml + "\n";

# Here's a sample of the subjectAltNameXml:

# <SubjectAltName>
#     <name type="oid" oid="2.16.76.1.3.4">290999653223955019700000000000000000000150424SRJUXPTS</name>
#     <name type="oid" oid="2.16.76.1.3.2">JOAO SILVA</name>
#     <name type="oid" oid="2.16.76.1.3.3">02408939000115</name>
#     <name type="oid" oid="2.16.76.1.3.7">000000000000</name>
# </SubjectAltName>

# The XML can be parsed like this:

xml = Chilkat::CkXml.new()
xml.LoadXml(subjectAltNameXml)

i = 0
count_i = xml.NumChildrenHavingTag("name")
while i < count_i
    xml.put_I(i)
    oid = xml.chilkatPath("name[i]|(oid)")
    name = xml.getChildContent("name[i]")
    print oid + ": " + name + "\n";
    i = i + 1
end