1 files changed, 18 insertions, 0 deletions
diff --git a/libgo/go/crypto/rsa/rsa_test.go b/libgo/go/crypto/rsa/rsa_test.go
index 0fb9875d044..62bbdc4aec3 100644
--- a/libgo/go/crypto/rsa/rsa_test.go
+++ b/libgo/go/crypto/rsa/rsa_test.go
@@ -50,6 +50,24 @@ func Test4PrimeKeyGeneration(t *testing.T) {
 	testKeyBasics(t, priv)
 }
 
+func TestGnuTLSKey(t *testing.T) {
+	// This is a key generated by `certtool --generate-privkey --bits 128`.
+	// It's such that de ≢ 1 mod φ(n), but is congruent mod the order of
+	// the group.
+	priv := &PrivateKey{
+		PublicKey: PublicKey{
+			N: fromBase10("290684273230919398108010081414538931343"),
+			E: 65537,
+		},
+		D: fromBase10("31877380284581499213530787347443987241"),
+		Primes: []*big.Int{
+			fromBase10("16775196964030542637"),
+			fromBase10("17328218193455850539"),
+		},
+	}
+	testKeyBasics(t, priv)
+}
+
 func testKeyBasics(t *testing.T, priv *PrivateKey) {
 	if err := priv.Validate(); err != nil {
 		t.Errorf("Validate() failed: %s", err)