Class: PkiExpress::RSASignatureAlgorithm

Inherits:
SignatureAlgorithm show all
Defined in:
lib/pki_express/pk_algorithms.rb

Instance Attribute Summary

Attributes inherited from SignatureAlgorithm

#digest_algorithm, #name, #oid, #pk_algorithm, #xml_uri

Instance Method Summary collapse

Methods inherited from SignatureAlgorithm

get_instance_by_api_model, get_instance_by_name, get_instance_by_oid, get_instance_by_xml_uri, #md5_with_rsa, #sha1_with_rsa, #sha256_with_rsa, #sha384_with_rsa, #sha512_with_rsa

Constructor Details

#initialize(digest_algorithm) ⇒ RSASignatureAlgorithm

Returns a new instance of RSASignatureAlgorithm.



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# File 'lib/pki_express/pk_algorithms.rb', line 100

def initialize(digest_algorithm)
  case digest_algorithm
  when DigestAlgorithm.md5
    xml_uri = xml_uri = 'http://www.w3.org/2001/04/xmldsig-more#rsa-md5'
    oid = Oids::MD5_WITH_RSA
  when DigestAlgorithm.sha1
    xml_uri = 'http://www.w3.org/2000/09/xmldsig#rsa-sha1'
    oid = Oids::SHA1_WITH_RSA
  when DigestAlgorithm.sha256
    xml_uri = 'http://www.w3.org/2001/04/xmldsig-more#rsa-sha256'
    oid = Oids::SHA256_WITH_RSA
  when DigestAlgorithm.sha384
    xml_uri = 'http://www.w3.org/2001/04/xmldsig-more#rsa-sha384'
    oid = Oids::SHA384_WITH_RSA
  when DigestAlgorithm.sha512
    xml_uri = 'http://www.w3.org/2001/04/xmldsig-more#rsa-sha512'
    oid = Oids::SHA512_WITH_RSA
  else
    raise 'Unsupported digest algorithms: ' + digest_algorithm.oid
  end

  super(
    digest_algorithm.name + " with RSA",
    oid,
    xml_uri,
    digest_algorithm,
    PKAlgorithms::RSA)
end