Element:  "P384Element",
		Prime:    "2^384 - 2^128 - 2^96 + 2^32 - 1",
		Prefix:   "p384",
		FiatType: "[6]uint64",
		BytesLen: 48,
	},
	// Note that unsaturated_solinas would be about 2x faster than
	// word_by_word_montgomery for P-521, but this curve is used rarely enough
	// that it's not worth carrying unsaturated_solinas support for it.
	{
		Element:  "P521Element",
		Prime:    "2^521 - 1",
		Prefix:   "p521",