private static Bytes getP384PublicPointAsBytes() throws GeneralSecurityException {
    return Bytes.copyFrom(
        EllipticCurves.pointEncode(
            CurveType.NIST_P384,
            PointFormatType.UNCOMPRESSED,
            new ECPoint(
                new BigInteger(
                    "009d92e0330dfc60ba8b2be32e10f7d2f8457678a112cafd4544b29b7e6addf0249968f54c"
                        + "732aa49bc4a38f467edb8424",
                    16),
                new BigInteger(
                    "0081a3a9c9e878b86755f018a8ec3c5e80921910af919b95f18976e35acc04efa2962e277a"
                        + "0b2c990ae92b62d6c75180ba",
                    16))));
  }
Test vectors for HPKE. Generated by hand from the implementation here.
java_src/src/main/java/com/google/crypto/tink/hybrid/internal/testing/HpkeTestUtil.java