DSA Testing

testing.rb

def test_dsa
     p = 718821195410015244146859624870715296017125527913000
         434010387577240100831644441209194543573159763837454
         2374929457672178957081124632837356913990200866056699
     q = 957032439192465935099784319494405376402293318491
     g = 122928973717064636255205666162891733518376475981809
         749897454444301389338825906076467196186192907631719
         698166056821519884939865041993585844526937010746285
     y = 123575618358346541478907331350272705707564117251418
         193873117202182514955196002970859605710210406339506
         3907739571546165975727369183495540798749742124846271
     algo = OpenSSL::ASN1::ObjectId.new('DSA')
     params = OpenSSL::ASN1::Sequence.new
              ([OpenSSL::ASN1::Integer.new(p),
                OpenSSL::ASN1::Integer.new(q),
                OpenSSL::ASN1::Integer.new(g)])
     algo_id = OpenSSL::ASN1::Sequence.new ([algo, params])
     pub_key = OpenSSL::ASN1::Integer.new(y)
     seq = OpenSSL::ASN1::Sequence.new([algo_id,
         OpenSSL::ASN1::BitString.new(pub_key.to_der)])
     key = OpenSSL::PKey::DSA.new(seq.to_der)
     assert(key.public?)
     assert(!key.private?)
     assert_equal(p, key.p)
     assert_equal(q, key.q)
     assert_equal(g, key.g)
     assert_equal(y, key.pub_key)
     assert_equal(nil, key.priv_key)
     assert_equal([], OpenSSL.errors)
    end