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openssl/lib/openssl/x509.rb

Methods

#subject_key_identifier

Included Modules

OpenSSL::X509::Extension::Helpers

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OpenSSL::X509::Extension::SubjectKeyIdentifier

Public Instance Methods

subject_key_identifier() click to toggle source

Get the subject's key identifier from the subjectKeyIdentifier exteension, as described in RFC5280 Section 4.2.1.2.

Returns the binary String key identifier or nil or raises ASN1::ASN1Error.

 
 # File openssl/lib/openssl/x509.rb, line 82
def subject_key_identifier
 ext = find_extension("subjectKeyIdentifier")
 return nil if ext.nil?
 ski_asn1 = ASN1.decode(ext.value_der)
 if ext.critical? || ski_asn1.tag_class != :UNIVERSAL || ski_asn1.tag != ASN1::OCTET_STRING
 raise ASN1::ASN1Error, "invalid extension"
 end
 ski_asn1.value
end