private static ECParameterSpec getNistP256Params() {
    return getNistCurveSpec(
        "115792089210356248762697446949407573530086143415290314195533631308867097853951",
        "115792089210356248762697446949407573529996955224135760342422259061068512044369",
        "5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b",
        "6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296",
        "4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5");
  }
Utility functions for elliptic curve crypto, used in ECDSA and ECDH.
java_src/src/main/java/com/google/crypto/tink/internal/EllipticCurvesUtil.java