@Test
  public void testEcdsaIeee2Der() throws Exception {
    for (EcdsaIeeeDer test : ieeeDerTestVector) {
      assertArrayEquals(
          Hex.decode(test.hexDer), EllipticCurves.ecdsaIeee2Der(Hex.decode(test.hexIeee)));
    }
  }
A class to store a pair of valid Ecdsa signature in IEEE_P1363 and DER format.
java_src/src/test/java/com/google/crypto/tink/subtle/EllipticCurvesTest.java