Module: SCEP::ASN1

Defined in:
lib/scep/asn1.rb

Overview

Re-usable ASN1 compnents for some of the finer points of SCEP

Constant Summary collapse

MESSAGE_TYPE_PKCS_REQ = 
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Class Method Summary collapse

Class Method Details

.calculate_and_generate_pkcs7_signature_hash(data, algorithm) ⇒ Object 



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# File 'lib/scep/asn1.rb', line 33

def self.calculate_and_generate_pkcs7_signature_hash(data, algorithm)
  hash = OpenSSL::Digest.digest(algorithm, data)
  pkcs7_signature_hash(hash, algorithm)
end

.message_type(type = MESSAGE_TYPE_PKCS_REQ) ⇒ Object

Pre-made ASN1 value that identifies what type of message this is



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# File 'lib/scep/asn1.rb', line 14

def self.message_type(type = MESSAGE_TYPE_PKCS_REQ)
  OpenSSL::ASN1::Sequence.new([
    OpenSSL::ASN1::ObjectId.new('scep-messageType'),
    OpenSSL::ASN1::Set.new([
      OpenSSL::ASN1::PrintableString.new(type.to_s)
    ])
  ])
end

.pkcs7_signature_hash(hash, algorithm_name) ⇒ Object 



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# File 'lib/scep/asn1.rb', line 23

def self.pkcs7_signature_hash(hash, algorithm_name)
  OpenSSL::ASN1::Sequence.new([
    OpenSSL::ASN1::Sequence.new([
      OpenSSL::ASN1::ObjectId.new(algorithm_name),
      OpenSSL::ASN1::Null.new(nil)
    ]),
    OpenSSL::ASN1::OctetString.new(hash)
  ])
end