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# frozen_string_literal: true
require_relative "utils"
class OpenSSL::TestPKey < OpenSSL::PKeyTestCase
def test_generic_oid_inspect
# RSA private key
rsa = Fixtures.pkey("rsa-1")
assert_instance_of OpenSSL::PKey::RSA, rsa
assert_equal "rsaEncryption", rsa.oid
assert_match %r{oid=rsaEncryption}, rsa.inspect
# X25519 private key
x25519_pem = <<~EOF
-----BEGIN PRIVATE KEY-----
MC4CAQAwBQYDK2VuBCIEIHcHbQpzGKV9PBbBclGyZkXfTC+H68CZKrF3+6UduSwq
-----END PRIVATE KEY-----
EOF
begin
x25519 = OpenSSL::PKey.read(x25519_pem)
rescue OpenSSL::PKey::PKeyError
# OpenSSL < 1.1.0
pend "X25519 is not implemented"
end
assert_instance_of OpenSSL::PKey::PKey, x25519
assert_equal "X25519", x25519.oid
assert_match %r{oid=X25519}, x25519.inspect
end
def test_s_generate_parameters
# 512 is non-default; 1024 is used if 'dsa_paramgen_bits' is not specified
# with OpenSSL 1.1.0.
pkey = OpenSSL::PKey.generate_parameters("DSA", {
"dsa_paramgen_bits" => 512,
"dsa_paramgen_q_bits" => 256,
})
assert_instance_of OpenSSL::PKey::DSA, pkey
assert_equal 512, pkey.p.num_bits
assert_equal 256, pkey.q.num_bits
assert_equal nil, pkey.priv_key
# Invalid options are checked
assert_raise(OpenSSL::PKey::PKeyError) {
OpenSSL::PKey.generate_parameters("DSA", "invalid" => "option")
}
# Parameter generation callback is called
cb_called = []
assert_raise(RuntimeError) {
OpenSSL::PKey.generate_parameters("DSA") { |*args|
cb_called << args
raise "exit!" if cb_called.size == 3
}
}
assert_not_empty cb_called
end
def test_s_generate_key
assert_raise(OpenSSL::PKey::PKeyError) {
# DSA key pair cannot be generated without parameters
OpenSSL::PKey.generate_key("DSA")
}
pkey_params = OpenSSL::PKey.generate_parameters("DSA", {
"dsa_paramgen_bits" => 512,
"dsa_paramgen_q_bits" => 256,
})
pkey = OpenSSL::PKey.generate_key(pkey_params)
assert_instance_of OpenSSL::PKey::DSA, pkey
assert_equal 512, pkey.p.num_bits
assert_not_equal nil, pkey.priv_key
end
def test_hmac_sign_verify
pkey = OpenSSL::PKey.generate_key("HMAC", { "key" => "abcd" })
hmac = OpenSSL::HMAC.new("abcd", "SHA256").update("data").digest
assert_equal hmac, pkey.sign("SHA256", "data")
# EVP_PKEY_HMAC does not support verify
assert_raise(OpenSSL::PKey::PKeyError) {
pkey.verify("SHA256", "data", hmac)
}
end
def test_ed25519
# Test vector from RFC 8032 Section 7.1 TEST 2
priv_pem = <<~EOF
-----BEGIN PRIVATE KEY-----
MC4CAQAwBQYDK2VwBCIEIEzNCJso/5banbbDRuwRTg9bijGfNaumJNqM9u1PuKb7
-----END PRIVATE KEY-----
EOF
pub_pem = <<~EOF
-----BEGIN PUBLIC KEY-----
MCowBQYDK2VwAyEAPUAXw+hDiVqStwqnTRt+vJyYLM8uxJaMwM1V8Sr0Zgw=
-----END PUBLIC KEY-----
EOF
begin
priv = OpenSSL::PKey.read(priv_pem)
pub = OpenSSL::PKey.read(pub_pem)
rescue OpenSSL::PKey::PKeyError
# OpenSSL < 1.1.1
pend "Ed25519 is not implemented"
end
assert_instance_of OpenSSL::PKey::PKey, priv
assert_instance_of OpenSSL::PKey::PKey, pub
assert_equal priv_pem, priv.private_to_pem
assert_equal pub_pem, priv.public_to_pem
assert_equal pub_pem, pub.public_to_pem
sig = [<<~EOF.gsub(/[^0-9a-f]/, "")].pack("H*")
92a009a9f0d4cab8720e820b5f642540
a2b27b5416503f8fb3762223ebdb69da
085ac1e43e15996e458f3613d0f11d8c
387b2eaeb4302aeeb00d291612bb0c00
EOF
data = ["72"].pack("H*")
assert_equal sig, priv.sign(nil, data)
assert_equal true, priv.verify(nil, sig, data)
assert_equal true, pub.verify(nil, sig, data)
assert_equal false, pub.verify(nil, sig, data.succ)
# PureEdDSA wants nil as the message digest
assert_raise(OpenSSL::PKey::PKeyError) { priv.sign("SHA512", data) }
assert_raise(OpenSSL::PKey::PKeyError) { pub.verify("SHA512", sig, data) }
# Ed25519 pkey type does not support key derivation
assert_raise(OpenSSL::PKey::PKeyError) { priv.derive(pub) }
end
def test_x25519
# Test vector from RFC 7748 Section 6.1
alice_pem = <<~EOF
-----BEGIN PRIVATE KEY-----
MC4CAQAwBQYDK2VuBCIEIHcHbQpzGKV9PBbBclGyZkXfTC+H68CZKrF3+6UduSwq
-----END PRIVATE KEY-----
EOF
bob_pem = <<~EOF
-----BEGIN PUBLIC KEY-----
MCowBQYDK2VuAyEA3p7bfXt9wbTTW2HC7OQ1Nz+DQ8hbeGdNrfx+FG+IK08=
-----END PUBLIC KEY-----
EOF
shared_secret = "4a5d9d5ba4ce2de1728e3bf480350f25e07e21c947d19e3376f09b3c1e161742"
begin
alice = OpenSSL::PKey.read(alice_pem)
bob = OpenSSL::PKey.read(bob_pem)
rescue OpenSSL::PKey::PKeyError
# OpenSSL < 1.1.0
pend "X25519 is not implemented"
end
assert_instance_of OpenSSL::PKey::PKey, alice
assert_equal alice_pem, alice.private_to_pem
assert_equal bob_pem, bob.public_to_pem
assert_equal [shared_secret].pack("H*"), alice.derive(bob)
end
def test_compare?
key1 = Fixtures.pkey("rsa1024")
key2 = Fixtures.pkey("rsa1024")
key3 = Fixtures.pkey("rsa2048")
key4 = Fixtures.pkey("dh-1")
assert_equal(true, key1.compare?(key2))
assert_equal(true, key1.public_key.compare?(key2))
assert_equal(true, key2.compare?(key1))
assert_equal(true, key2.public_key.compare?(key1))
assert_equal(false, key1.compare?(key3))
assert_raise(TypeError) do
key1.compare?(key4)
end
end
end
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