1 files changed, 22 insertions, 0 deletions
diff --git a/test/openssl/test_pkey_rsa.rb b/test/openssl/test_pkey_rsa.rb
index e211faa63b..b24f1d5509 100644
--- a/test/openssl/test_pkey_rsa.rb
+++ b/test/openssl/test_pkey_rsa.rb
@@ -70,6 +70,21 @@ class OpenSSL::TestPKeyRSA < OpenSSL::PKeyTestCase
     end
   end
 
+  def test_sign_verify
+    data = "Sign me!"
+    signature = RSA1024.sign("SHA1", data)
+    assert_equal true, RSA1024.verify("SHA1", signature, data)
+
+    signature0 = (<<~'end;').unpack("m")[0]
+      oLCgbprPvfhM4pjFQiDTFeWI9Sk+Og7Nh9TmIZ/xSxf2CGXQrptlwo7NQ28+
+      WA6YQo8jPH4hSuyWIM4Gz4qRYiYRkl5TDMUYob94zm8Si1HxEiS9354tzvqS
+      zS8MLW2BtNPuTubMxTItHGTnOzo9sUg0LAHVFt8kHG2NfKAw/gQ=
+    end;
+    assert_equal true, RSA1024.verify("SHA256", signature0, data)
+    signature1 = signature0.succ
+    assert_equal false, RSA1024.verify("SHA256", signature1, data)
+  end
+
   def test_digest_state_irrelevant_sign
     key = RSA1024
     digest1 = OpenSSL::Digest::SHA1.new
@@ -93,6 +108,13 @@ class OpenSSL::TestPKeyRSA < OpenSSL::PKeyTestCase
     assert(key.verify(digest2, sig, data))
   end
 
+  def test_verify_empty_rsa
+    rsa = OpenSSL::PKey::RSA.new
+    assert_raise(OpenSSL::PKey::PKeyError, "[Bug #12783]") {
+      rsa.verify("SHA1", "a", "b")
+    }
+  end
+
   def test_RSAPrivateKey
     asn1 = OpenSSL::ASN1::Sequence([
       OpenSSL::ASN1::Integer(0),