mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
353 lines
12 KiB
Ruby
353 lines
12 KiB
Ruby
# frozen_string_literal: false
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require_relative 'utils'
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if defined?(OpenSSL) && defined?(OpenSSL::PKey::EC)
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class OpenSSL::TestEC < OpenSSL::PKeyTestCase
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def test_ec_key
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builtin_curves = OpenSSL::PKey::EC.builtin_curves
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assert_not_empty builtin_curves
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builtin_curves.each do |curve_name, comment|
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# Oakley curves and X25519 are not suitable for signing and causes
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# FIPS-selftest failure on some environment, so skip for now.
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next if ["Oakley", "X25519"].any? { |n| curve_name.start_with?(n) }
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key = OpenSSL::PKey::EC.new(curve_name)
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key.generate_key!
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assert_predicate key, :private?
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assert_predicate key, :public?
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assert_nothing_raised { key.check_key }
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end
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key1 = OpenSSL::PKey::EC.new("prime256v1").generate_key!
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key2 = OpenSSL::PKey::EC.new
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key2.group = key1.group
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key2.private_key = key1.private_key
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key2.public_key = key1.public_key
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assert_equal key1.to_der, key2.to_der
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key3 = OpenSSL::PKey::EC.new(key1)
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assert_equal key1.to_der, key3.to_der
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key4 = OpenSSL::PKey::EC.new(key1.to_der)
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assert_equal key1.to_der, key4.to_der
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key5 = key1.dup
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assert_equal key1.to_der, key5.to_der
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key_tmp = OpenSSL::PKey::EC.new("prime256v1").generate_key!
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key5.private_key = key_tmp.private_key
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key5.public_key = key_tmp.public_key
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assert_not_equal key1.to_der, key5.to_der
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end
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def test_generate
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assert_raise(OpenSSL::PKey::ECError) { OpenSSL::PKey::EC.generate("non-existent") }
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g = OpenSSL::PKey::EC::Group.new("prime256v1")
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ec = OpenSSL::PKey::EC.generate(g)
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assert_equal(true, ec.private?)
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ec = OpenSSL::PKey::EC.generate("prime256v1")
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assert_equal(true, ec.private?)
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end
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def test_check_key
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key = OpenSSL::PKey::EC.new("prime256v1").generate_key!
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assert_equal(true, key.check_key)
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assert_equal(true, key.private?)
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assert_equal(true, key.public?)
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key2 = OpenSSL::PKey::EC.new(key.group)
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assert_equal(false, key2.private?)
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assert_equal(false, key2.public?)
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key2.public_key = key.public_key
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assert_equal(false, key2.private?)
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assert_equal(true, key2.public?)
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key2.private_key = key.private_key
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assert_equal(true, key2.private?)
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assert_equal(true, key2.public?)
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assert_equal(true, key2.check_key)
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key2.private_key += 1
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assert_raise(OpenSSL::PKey::ECError) { key2.check_key }
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end
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def test_sign_verify
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p256 = Fixtures.pkey("p256")
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data = "Sign me!"
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signature = p256.sign("SHA1", data)
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assert_equal true, p256.verify("SHA1", signature, data)
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signature0 = (<<~'end;').unpack("m")[0]
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MEQCIEOTY/hD7eI8a0qlzxkIt8LLZ8uwiaSfVbjX2dPAvN11AiAQdCYx56Fq
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QdBp1B4sxJoA8jvODMMklMyBKVmudboA6A==
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end;
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assert_equal true, p256.verify("SHA256", signature0, data)
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signature1 = signature0.succ
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assert_equal false, p256.verify("SHA256", signature1, data)
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end
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def test_dsa_sign_verify
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data1 = "foo"
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data2 = "bar"
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key = OpenSSL::PKey::EC.new("prime256v1").generate_key!
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sig = key.dsa_sign_asn1(data1)
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assert_equal true, key.dsa_verify_asn1(data1, sig)
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assert_equal false, key.dsa_verify_asn1(data2, sig)
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end
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def test_dsa_sign_asn1_FIPS186_3
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key = OpenSSL::PKey::EC.new("prime256v1").generate_key!
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size = key.group.order.num_bits / 8 + 1
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dgst = (1..size).to_a.pack('C*')
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sig = key.dsa_sign_asn1(dgst)
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# dgst is auto-truncated according to FIPS186-3 after openssl-0.9.8m
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assert(key.dsa_verify_asn1(dgst + "garbage", sig))
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end
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def test_dh_compute_key
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key_a = OpenSSL::PKey::EC.new("prime256v1").generate_key!
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key_b = OpenSSL::PKey::EC.new(key_a.group).generate_key!
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pub_a = key_a.public_key
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pub_b = key_b.public_key
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a = key_a.dh_compute_key(pub_b)
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b = key_b.dh_compute_key(pub_a)
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assert_equal a, b
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end
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def test_ECPrivateKey
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p256 = Fixtures.pkey("p256")
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asn1 = OpenSSL::ASN1::Sequence([
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OpenSSL::ASN1::Integer(1),
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OpenSSL::ASN1::OctetString(p256.private_key.to_s(2)),
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OpenSSL::ASN1::ObjectId("prime256v1", 0, :EXPLICIT),
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OpenSSL::ASN1::BitString(p256.public_key.to_octet_string(:uncompressed),
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1, :EXPLICIT)
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])
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key = OpenSSL::PKey::EC.new(asn1.to_der)
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assert_predicate key, :private?
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assert_same_ec p256, key
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pem = <<~EOF
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-----BEGIN EC PRIVATE KEY-----
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MHcCAQEEIID49FDqcf1O1eO8saTgG70UbXQw9Fqwseliit2aWhH1oAoGCCqGSM49
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AwEHoUQDQgAEFglk2c+oVUIKQ64eZG9bhLNPWB7lSZ/ArK41eGy5wAzU/0G51Xtt
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CeBUl+MahZtn9fO1JKdF4qJmS39dXnpENg==
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-----END EC PRIVATE KEY-----
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EOF
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key = OpenSSL::PKey::EC.new(pem)
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assert_same_ec p256, key
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assert_equal asn1.to_der, p256.to_der
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assert_equal pem, p256.export
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end
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def test_ECPrivateKey_encrypted
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p256 = Fixtures.pkey("p256")
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# key = abcdef
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pem = <<~EOF
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-----BEGIN EC PRIVATE KEY-----
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Proc-Type: 4,ENCRYPTED
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DEK-Info: AES-128-CBC,85743EB6FAC9EA76BF99D9328AFD1A66
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nhsP1NHxb53aeZdzUe9umKKyr+OIwQq67eP0ONM6E1vFTIcjkDcFLR6PhPFufF4m
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y7E2HF+9uT1KPQhlE+D63i1m1Mvez6PWfNM34iOQp2vEhaoHHKlR3c43lLyzaZDI
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0/dGSU5SzFG+iT9iFXCwCvv+bxyegkBOyALFje1NAsM=
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-----END EC PRIVATE KEY-----
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EOF
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key = OpenSSL::PKey::EC.new(pem, "abcdef")
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assert_same_ec p256, key
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key = OpenSSL::PKey::EC.new(pem) { "abcdef" }
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assert_same_ec p256, key
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cipher = OpenSSL::Cipher.new("aes-128-cbc")
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exported = p256.to_pem(cipher, "abcdef\0\1")
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assert_same_ec p256, OpenSSL::PKey::EC.new(exported, "abcdef\0\1")
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assert_raise(OpenSSL::PKey::ECError) {
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OpenSSL::PKey::EC.new(exported, "abcdef")
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}
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end
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def test_PUBKEY
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p256 = Fixtures.pkey("p256")
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asn1 = OpenSSL::ASN1::Sequence([
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OpenSSL::ASN1::Sequence([
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OpenSSL::ASN1::ObjectId("id-ecPublicKey"),
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OpenSSL::ASN1::ObjectId("prime256v1")
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]),
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OpenSSL::ASN1::BitString(
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p256.public_key.to_octet_string(:uncompressed)
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)
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])
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key = OpenSSL::PKey::EC.new(asn1.to_der)
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assert_not_predicate key, :private?
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assert_same_ec dup_public(p256), key
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pem = <<~EOF
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-----BEGIN PUBLIC KEY-----
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MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEFglk2c+oVUIKQ64eZG9bhLNPWB7l
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SZ/ArK41eGy5wAzU/0G51XttCeBUl+MahZtn9fO1JKdF4qJmS39dXnpENg==
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-----END PUBLIC KEY-----
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EOF
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key = OpenSSL::PKey::EC.new(pem)
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assert_same_ec dup_public(p256), key
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assert_equal asn1.to_der, dup_public(p256).to_der
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assert_equal pem, dup_public(p256).export
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end
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def test_ec_group
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group1 = OpenSSL::PKey::EC::Group.new("prime256v1")
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key1 = OpenSSL::PKey::EC.new(group1)
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assert_equal group1, key1.group
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group2 = OpenSSL::PKey::EC::Group.new(group1)
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assert_equal group1.to_der, group2.to_der
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assert_equal group1, group2
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group2.asn1_flag ^=OpenSSL::PKey::EC::NAMED_CURVE
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assert_not_equal group1.to_der, group2.to_der
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assert_equal group1, group2
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group3 = group1.dup
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assert_equal group1.to_der, group3.to_der
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assert group1.asn1_flag & OpenSSL::PKey::EC::NAMED_CURVE # our default
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der = group1.to_der
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group4 = OpenSSL::PKey::EC::Group.new(der)
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group1.point_conversion_form = group4.point_conversion_form = :uncompressed
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assert_equal :uncompressed, group1.point_conversion_form
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assert_equal :uncompressed, group4.point_conversion_form
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assert_equal group1, group4
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assert_equal group1.curve_name, group4.curve_name
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assert_equal group1.generator.to_octet_string(:uncompressed),
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group4.generator.to_octet_string(:uncompressed)
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assert_equal group1.order, group4.order
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assert_equal group1.cofactor, group4.cofactor
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assert_equal group1.seed, group4.seed
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assert_equal group1.degree, group4.degree
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end
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def test_ec_point
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group = OpenSSL::PKey::EC::Group.new("prime256v1")
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key = OpenSSL::PKey::EC.new(group).generate_key!
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point = key.public_key
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point2 = OpenSSL::PKey::EC::Point.new(group, point.to_bn)
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assert_equal point, point2
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assert_equal point.to_bn, point2.to_bn
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assert_equal point.to_octet_string(:uncompressed),
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point2.to_octet_string(:uncompressed)
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point3 = OpenSSL::PKey::EC::Point.new(group,
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point.to_octet_string(:uncompressed))
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assert_equal point, point3
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assert_equal point.to_bn, point3.to_bn
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assert_equal point.to_octet_string(:uncompressed),
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point3.to_octet_string(:uncompressed)
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point2.invert!
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point3.invert!
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assert_not_equal point.to_octet_string(:uncompressed),
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point2.to_octet_string(:uncompressed)
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assert_equal point2.to_octet_string(:uncompressed),
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point3.to_octet_string(:uncompressed)
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begin
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group = OpenSSL::PKey::EC::Group.new(:GFp, 17, 2, 2)
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group.point_conversion_form = :uncompressed
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generator = OpenSSL::PKey::EC::Point.new(group, B(%w{ 04 05 01 }))
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group.set_generator(generator, 19, 1)
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point = OpenSSL::PKey::EC::Point.new(group, B(%w{ 04 06 03 }))
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rescue OpenSSL::PKey::EC::Group::Error
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pend "Patched OpenSSL rejected curve" if /unsupported field/ =~ $!.message
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raise
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end
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assert_equal 0x040603.to_bn, point.to_bn
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assert_equal 0x040603.to_bn, point.to_bn(:uncompressed)
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assert_equal 0x0306.to_bn, point.to_bn(:compressed)
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assert_equal 0x070603.to_bn, point.to_bn(:hybrid)
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group2 = group.dup; group2.point_conversion_form = :compressed
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point2 = OpenSSL::PKey::EC::Point.new(group2, B(%w{ 04 06 03 }))
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assert_equal 0x0306.to_bn, point2.to_bn
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assert_equal B(%w{ 04 06 03 }), point.to_octet_string(:uncompressed)
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assert_equal B(%w{ 03 06 }), point.to_octet_string(:compressed)
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assert_equal B(%w{ 07 06 03 }), point.to_octet_string(:hybrid)
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assert_equal true, point.on_curve?
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point.invert! # 8.5
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assert_equal B(%w{ 04 06 0E }), point.to_octet_string(:uncompressed)
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assert_equal true, point.on_curve?
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assert_equal false, point.infinity?
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point.set_to_infinity!
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assert_equal true, point.infinity?
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assert_equal 0.to_bn, point.to_bn
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assert_equal B(%w{ 00 }), point.to_octet_string(:uncompressed)
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assert_equal true, point.on_curve?
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end
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def test_ec_point_mul
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begin
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# y^2 = x^3 + 2x + 2 over F_17
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# generator is (5, 1)
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group = OpenSSL::PKey::EC::Group.new(:GFp, 17, 2, 2)
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group.point_conversion_form = :uncompressed
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gen = OpenSSL::PKey::EC::Point.new(group, B(%w{ 04 05 01 }))
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group.set_generator(gen, 19, 1)
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# 3 * (6, 3) = (16, 13)
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point_a = OpenSSL::PKey::EC::Point.new(group, B(%w{ 04 06 03 }))
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result_a1 = point_a.mul(3)
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assert_equal B(%w{ 04 10 0D }), result_a1.to_octet_string(:uncompressed)
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# 3 * (6, 3) + 3 * (5, 1) = (7, 6)
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result_a2 = point_a.mul(3, 3)
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assert_equal B(%w{ 04 07 06 }), result_a2.to_octet_string(:uncompressed)
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# 3 * point_a = 3 * (6, 3) = (16, 13)
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result_b1 = point_a.mul([3], [])
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assert_equal B(%w{ 04 10 0D }), result_b1.to_octet_string(:uncompressed)
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# 3 * point_a + 2 * point_a = 3 * (6, 3) + 2 * (6, 3) = (7, 11)
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begin
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result_b1 = point_a.mul([3, 2], [point_a])
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rescue OpenSSL::PKey::EC::Point::Error
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# LibreSSL doesn't support multiple entries in first argument
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raise if $!.message !~ /called a function you should not call/
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else
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assert_equal B(%w{ 04 07 0B }), result_b1.to_octet_string(:uncompressed)
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end
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# 3 * point_a + 5 * point_a.group.generator = 3 * (6, 3) + 5 * (5, 1) = (13, 10)
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result_b1 = point_a.mul([3], [], 5)
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assert_equal B(%w{ 04 0D 0A }), result_b1.to_octet_string(:uncompressed)
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rescue OpenSSL::PKey::EC::Group::Error
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# CentOS patches OpenSSL to reject curves defined over Fp where p < 256 bits
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raise if $!.message !~ /unsupported field/
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end
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p256_key = Fixtures.pkey("p256")
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p256_g = p256_key.group
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assert_equal(p256_key.public_key, p256_g.generator.mul(p256_key.private_key))
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# invalid argument
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point = p256_key.public_key
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assert_raise(TypeError) { point.mul(nil) }
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assert_raise(ArgumentError) { point.mul([1], [point]) }
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assert_raise(TypeError) { point.mul([1], nil) }
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assert_raise(TypeError) { point.mul([nil], []) }
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end
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# test Group: asn1_flag, point_conversion
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private
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def B(ary)
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[Array(ary).join].pack("H*")
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end
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def assert_same_ec(expected, key)
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check_component(expected, key, [:group, :public_key, :private_key])
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end
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end
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end
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