ARK-OS/arkos/kernel/lib/crypto/tests/curve25519_kunit.c

// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
 * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
 */

#include <crypto/curve25519.h>
#include <kunit/test.h>
#include <linux/timekeeping.h>

struct curve25519_test_vector {
	u8 private[CURVE25519_KEY_SIZE];
	u8 public[CURVE25519_KEY_SIZE];
	u8 result[CURVE25519_KEY_SIZE];
	bool valid;
};
static const struct curve25519_test_vector curve25519_test_vectors[] = {
	{
		.private = { 0x77, 0x07, 0x6d, 0x0a, 0x73, 0x18, 0xa5, 0x7d,
			     0x3c, 0x16, 0xc1, 0x72, 0x51, 0xb2, 0x66, 0x45,
			     0xdf, 0x4c, 0x2f, 0x87, 0xeb, 0xc0, 0x99, 0x2a,
			     0xb1, 0x77, 0xfb, 0xa5, 0x1d, 0xb9, 0x2c, 0x2a },
		.public = { 0xde, 0x9e, 0xdb, 0x7d, 0x7b, 0x7d, 0xc1, 0xb4,
			    0xd3, 0x5b, 0x61, 0xc2, 0xec, 0xe4, 0x35, 0x37,
			    0x3f, 0x83, 0x43, 0xc8, 0x5b, 0x78, 0x67, 0x4d,
			    0xad, 0xfc, 0x7e, 0x14, 0x6f, 0x88, 0x2b, 0x4f },
		.result = { 0x4a, 0x5d, 0x9d, 0x5b, 0xa4, 0xce, 0x2d, 0xe1,
			    0x72, 0x8e, 0x3b, 0xf4, 0x80, 0x35, 0x0f, 0x25,
			    0xe0, 0x7e, 0x21, 0xc9, 0x47, 0xd1, 0x9e, 0x33,
			    0x76, 0xf0, 0x9b, 0x3c, 0x1e, 0x16, 0x17, 0x42 },
		.valid = true
	},
	{
		.private = { 0x5d, 0xab, 0x08, 0x7e, 0x62, 0x4a, 0x8a, 0x4b,
			     0x79, 0xe1, 0x7f, 0x8b, 0x83, 0x80, 0x0e, 0xe6,
			     0x6f, 0x3b, 0xb1, 0x29, 0x26, 0x18, 0xb6, 0xfd,
			     0x1c, 0x2f, 0x8b, 0x27, 0xff, 0x88, 0xe0, 0xeb },
		.public = { 0x85, 0x20, 0xf0, 0x09, 0x89, 0x30, 0xa7, 0x54,
			    0x74, 0x8b, 0x7d, 0xdc, 0xb4, 0x3e, 0xf7, 0x5a,
			    0x0d, 0xbf, 0x3a, 0x0d, 0x26, 0x38, 0x1a, 0xf4,
			    0xeb, 0xa4, 0xa9, 0x8e, 0xaa, 0x9b, 0x4e, 0x6a },
		.result = { 0x4a, 0x5d, 0x9d, 0x5b, 0xa4, 0xce, 0x2d, 0xe1,
			    0x72, 0x8e, 0x3b, 0xf4, 0x80, 0x35, 0x0f, 0x25,
			    0xe0, 0x7e, 0x21, 0xc9, 0x47, 0xd1, 0x9e, 0x33,
			    0x76, 0xf0, 0x9b, 0x3c, 0x1e, 0x16, 0x17, 0x42 },
		.valid = true
	},
	{
		.private = { 1 },
		.public = { 0x25, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.result = { 0x3c, 0x77, 0x77, 0xca, 0xf9, 0x97, 0xb2, 0x64,
			    0x41, 0x60, 0x77, 0x66, 0x5b, 0x4e, 0x22, 0x9d,
			    0x0b, 0x95, 0x48, 0xdc, 0x0c, 0xd8, 0x19, 0x98,
			    0xdd, 0xcd, 0xc5, 0xc8, 0x53, 0x3c, 0x79, 0x7f },
		.valid = true
	},
	{
		.private = { 1 },
		.public = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
		.result = { 0xb3, 0x2d, 0x13, 0x62, 0xc2, 0x48, 0xd6, 0x2f,
			    0xe6, 0x26, 0x19, 0xcf, 0xf0, 0x4d, 0xd4, 0x3d,
			    0xb7, 0x3f, 0xfc, 0x1b, 0x63, 0x08, 0xed, 0xe3,
			    0x0b, 0x78, 0xd8, 0x73, 0x80, 0xf1, 0xe8, 0x34 },
		.valid = true
	},
	{
		.private = { 0xa5, 0x46, 0xe3, 0x6b, 0xf0, 0x52, 0x7c, 0x9d,
			     0x3b, 0x16, 0x15, 0x4b, 0x82, 0x46, 0x5e, 0xdd,
			     0x62, 0x14, 0x4c, 0x0a, 0xc1, 0xfc, 0x5a, 0x18,
			     0x50, 0x6a, 0x22, 0x44, 0xba, 0x44, 0x9a, 0xc4 },
		.public = { 0xe6, 0xdb, 0x68, 0x67, 0x58, 0x30, 0x30, 0xdb,
			    0x35, 0x94, 0xc1, 0xa4, 0x24, 0xb1, 0x5f, 0x7c,
			    0x72, 0x66, 0x24, 0xec, 0x26, 0xb3, 0x35, 0x3b,
			    0x10, 0xa9, 0x03, 0xa6, 0xd0, 0xab, 0x1c, 0x4c },
		.result = { 0xc3, 0xda, 0x55, 0x37, 0x9d, 0xe9, 0xc6, 0x90,
			    0x8e, 0x94, 0xea, 0x4d, 0xf2, 0x8d, 0x08, 0x4f,
			    0x32, 0xec, 0xcf, 0x03, 0x49, 0x1c, 0x71, 0xf7,
			    0x54, 0xb4, 0x07, 0x55, 0x77, 0xa2, 0x85, 0x52 },
		.valid = true
	},
	{
		.private = { 1, 2, 3, 4 },
		.public = { 0 },
		.result = { 0 },
		.valid = false
	},
	{
		.private = { 2, 4, 6, 8 },
		.public = { 0xe0, 0xeb, 0x7a, 0x7c, 0x3b, 0x41, 0xb8, 0xae,
			    0x16, 0x56, 0xe3, 0xfa, 0xf1, 0x9f, 0xc4, 0x6a,
			    0xda, 0x09, 0x8d, 0xeb, 0x9c, 0x32, 0xb1, 0xfd,
			    0x86, 0x62, 0x05, 0x16, 0x5f, 0x49, 0xb8 },
		.result = { 0 },
		.valid = false
	},
	{
		.private = { 0xff, 0xff, 0xff, 0xff, 0x0a, 0xff, 0xff, 0xff,
			     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
		.public = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0x0a, 0x00, 0xfb, 0x9f },
		.result = { 0x77, 0x52, 0xb6, 0x18, 0xc1, 0x2d, 0x48, 0xd2,
			    0xc6, 0x93, 0x46, 0x83, 0x81, 0x7c, 0xc6, 0x57,
			    0xf3, 0x31, 0x03, 0x19, 0x49, 0x48, 0x20, 0x05,
			    0x42, 0x2b, 0x4e, 0xae, 0x8d, 0x1d, 0x43, 0x23 },
		.valid = true
	},
	{
		.private = { 0x8e, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.public = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x06 },
		.result = { 0x5a, 0xdf, 0xaa, 0x25, 0x86, 0x8e, 0x32, 0x3d,
			    0xae, 0x49, 0x62, 0xc1, 0x01, 0x5c, 0xb3, 0x12,
			    0xe1, 0xc5, 0xc7, 0x9e, 0x95, 0x3f, 0x03, 0x99,
			    0xb0, 0xba, 0x16, 0x22, 0xf3, 0xb6, 0xf7, 0x0c },
		.valid = true
	},
	/* wycheproof - normal case */
	{
		.private = { 0x48, 0x52, 0x83, 0x4d, 0x9d, 0x6b, 0x77, 0xda,
			     0xde, 0xab, 0xaa, 0xf2, 0xe1, 0x1d, 0xca, 0x66,
			     0xd1, 0x9f, 0xe7, 0x49, 0x93, 0xa7, 0xbe, 0xc3,
			     0x6c, 0x6e, 0x16, 0xa0, 0x98, 0x3f, 0xea, 0xba },
		.public = { 0x9c, 0x64, 0x7d, 0x9a, 0xe5, 0x89, 0xb9, 0xf5,
			    0x8f, 0xdc, 0x3c, 0xa4, 0x94, 0x7e, 0xfb, 0xc9,
			    0x15, 0xc4, 0xb2, 0xe0, 0x8e, 0x74, 0x4a, 0x0e,
			    0xdf, 0x46, 0x9d, 0xac, 0x59, 0xc8, 0xf8, 0x5a },
		.result = { 0x87, 0xb7, 0xf2, 0x12, 0xb6, 0x27, 0xf7, 0xa5,
			    0x4c, 0xa5, 0xe0, 0xbc, 0xda, 0xdd, 0xd5, 0x38,
			    0x9d, 0x9d, 0xe6, 0x15, 0x6c, 0xdb, 0xcf, 0x8e,
			    0xbe, 0x14, 0xff, 0xbc, 0xfb, 0x43, 0x65, 0x51 },
		.valid = true
	},
	/* wycheproof - public key on twist */
	{
		.private = { 0x58, 0x8c, 0x06, 0x1a, 0x50, 0x80, 0x4a, 0xc4,
			     0x88, 0xad, 0x77, 0x4a, 0xc7, 0x16, 0xc3, 0xf5,
			     0xba, 0x71, 0x4b, 0x27, 0x12, 0xe0, 0x48, 0x49,
			     0x13, 0x79, 0xa5, 0x00, 0x21, 0x19, 0x98, 0xa8 },
		.public = { 0x63, 0xaa, 0x40, 0xc6, 0xe3, 0x83, 0x46, 0xc5,
			    0xca, 0xf2, 0x3a, 0x6d, 0xf0, 0xa5, 0xe6, 0xc8,
			    0x08, 0x89, 0xa0, 0x86, 0x47, 0xe5, 0x51, 0xb3,
			    0x56, 0x34, 0x49, 0xbe, 0xfc, 0xfc, 0x97, 0x33 },
		.result = { 0xb1, 0xa7, 0x07, 0x51, 0x94, 0x95, 0xff, 0xff,
			    0xb2, 0x98, 0xff, 0x94, 0x17, 0x16, 0xb0, 0x6d,
			    0xfa, 0xb8, 0x7c, 0xf8, 0xd9, 0x11, 0x23, 0xfe,
			    0x2b, 0xe9, 0xa2, 0x33, 0xdd, 0xa2, 0x22, 0x12 },
		.valid = true
	},
	/* wycheproof - public key on twist */
	{
		.private = { 0xb0, 0x5b, 0xfd, 0x32, 0xe5, 0x53, 0x25, 0xd9,
			     0xfd, 0x64, 0x8c, 0xb3, 0x02, 0x84, 0x80, 0x39,
			     0x00, 0x0b, 0x39, 0x0e, 0x44, 0xd5, 0x21, 0xe5,
			     0x8a, 0xab, 0x3b, 0x29, 0xa6, 0x96, 0x0b, 0xa8 },
		.public = { 0x0f, 0x83, 0xc3, 0x6f, 0xde, 0xd9, 0xd3, 0x2f,
			    0xad, 0xf4, 0xef, 0xa3, 0xae, 0x93, 0xa9, 0x0b,
			    0xb5, 0xcf, 0xa6, 0x68, 0x93, 0xbc, 0x41, 0x2c,
			    0x43, 0xfa, 0x72, 0x87, 0xdb, 0xb9, 0x97, 0x79 },
		.result = { 0x67, 0xdd, 0x4a, 0x6e, 0x16, 0x55, 0x33, 0x53,
			    0x4c, 0x0e, 0x3f, 0x17, 0x2e, 0x4a, 0xb8, 0x57,
			    0x6b, 0xca, 0x92, 0x3a, 0x5f, 0x07, 0xb2, 0xc0,
			    0x69, 0xb4, 0xc3, 0x10, 0xff, 0x2e, 0x93, 0x5b },
		.valid = true
	},
	/* wycheproof - public key on twist */
	{
		.private = { 0x70, 0xe3, 0x4b, 0xcb, 0xe1, 0xf4, 0x7f, 0xbc,
			     0x0f, 0xdd, 0xfd, 0x7c, 0x1e, 0x1a, 0xa5, 0x3d,
			     0x57, 0xbf, 0xe0, 0xf6, 0x6d, 0x24, 0x30, 0x67,
			     0xb4, 0x24, 0xbb, 0x62, 0x10, 0xbe, 0xd1, 0x9c },
		.public = { 0x0b, 0x82, 0x11, 0xa2, 0xb6, 0x04, 0x90, 0x97,
			    0xf6, 0x87, 0x1c, 0x6c, 0x05, 0x2d, 0x3c, 0x5f,
			    0xc1, 0xba, 0x17, 0xda, 0x9e, 0x32, 0xae, 0x45,
			    0x84, 0x03, 0xb0, 0x5b, 0xb2, 0x83, 0x09, 0x2a },
		.result = { 0x4a, 0x06, 0x38, 0xcf, 0xaa, 0x9e, 0xf1, 0x93,
			    0x3b, 0x47, 0xf8, 0x93, 0x92, 0x96, 0xa6, 0xb2,
			    0x5b, 0xe5, 0x41, 0xef, 0x7f, 0x70, 0xe8, 0x44,
			    0xc0, 0xbc, 0xc0, 0x0b, 0x13, 0x4d, 0xe6, 0x4a },
		.valid = true
	},
	/* wycheproof - public key on twist */
	{
		.private = { 0x68, 0xc1, 0xf3, 0xa6, 0x53, 0xa4, 0xcd, 0xb1,
			     0xd3, 0x7b, 0xba, 0x94, 0x73, 0x8f, 0x8b, 0x95,
			     0x7a, 0x57, 0xbe, 0xb2, 0x4d, 0x64, 0x6e, 0x99,
			     0x4d, 0xc2, 0x9a, 0x27, 0x6a, 0xad, 0x45, 0x8d },
		.public = { 0x34, 0x3a, 0xc2, 0x0a, 0x3b, 0x9c, 0x6a, 0x27,
			    0xb1, 0x00, 0x81, 0x76, 0x50, 0x9a, 0xd3, 0x07,
			    0x35, 0x85, 0x6e, 0xc1, 0xc8, 0xd8, 0xfc, 0xae,
			    0x13, 0x91, 0x2d, 0x08, 0xd1, 0x52, 0xf4, 0x6c },
		.result = { 0x39, 0x94, 0x91, 0xfc, 0xe8, 0xdf, 0xab, 0x73,
			    0xb4, 0xf9, 0xf6, 0x11, 0xde, 0x8e, 0xa0, 0xb2,
			    0x7b, 0x28, 0xf8, 0x59, 0x94, 0x25, 0x0b, 0x0f,
			    0x47, 0x5d, 0x58, 0x5d, 0x04, 0x2a, 0xc2, 0x07 },
		.valid = true
	},
	/* wycheproof - public key on twist */
	{
		.private = { 0xd8, 0x77, 0xb2, 0x6d, 0x06, 0xdf, 0xf9, 0xd9,
			     0xf7, 0xfd, 0x4c, 0x5b, 0x37, 0x69, 0xf8, 0xcd,
			     0xd5, 0xb3, 0x05, 0x16, 0xa5, 0xab, 0x80, 0x6b,
			     0xe3, 0x24, 0xff, 0x3e, 0xb6, 0x9e, 0xa0, 0xb2 },
		.public = { 0xfa, 0x69, 0x5f, 0xc7, 0xbe, 0x8d, 0x1b, 0xe5,
			    0xbf, 0x70, 0x48, 0x98, 0xf3, 0x88, 0xc4, 0x52,
			    0xba, 0xfd, 0xd3, 0xb8, 0xea, 0xe8, 0x05, 0xf8,
			    0x68, 0x1a, 0x8d, 0x15, 0xc2, 0xd4, 0xe1, 0x42 },
		.result = { 0x2c, 0x4f, 0xe1, 0x1d, 0x49, 0x0a, 0x53, 0x86,
			    0x17, 0x76, 0xb1, 0x3b, 0x43, 0x54, 0xab, 0xd4,
			    0xcf, 0x5a, 0x97, 0x69, 0x9d, 0xb6, 0xe6, 0xc6,
			    0x8c, 0x16, 0x26, 0xd0, 0x76, 0x62, 0xf7, 0x58 },
		.valid = true
	},
	/* wycheproof - public key = 0 */
	{
		.private = { 0x20, 0x74, 0x94, 0x03, 0x8f, 0x2b, 0xb8, 0x11,
			     0xd4, 0x78, 0x05, 0xbc, 0xdf, 0x04, 0xa2, 0xac,
			     0x58, 0x5a, 0xda, 0x7f, 0x2f, 0x23, 0x38, 0x9b,
			     0xfd, 0x46, 0x58, 0xf9, 0xdd, 0xd4, 0xde, 0xbc },
		.public = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = false
	},
	/* wycheproof - public key = 1 */
	{
		.private = { 0x20, 0x2e, 0x89, 0x72, 0xb6, 0x1c, 0x7e, 0x61,
			     0x93, 0x0e, 0xb9, 0x45, 0x0b, 0x50, 0x70, 0xea,
			     0xe1, 0xc6, 0x70, 0x47, 0x56, 0x85, 0x54, 0x1f,
			     0x04, 0x76, 0x21, 0x7e, 0x48, 0x18, 0xcf, 0xab },
		.public = { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = false
	},
	/* wycheproof - edge case on twist */
	{
		.private = { 0x38, 0xdd, 0xe9, 0xf3, 0xe7, 0xb7, 0x99, 0x04,
			     0x5f, 0x9a, 0xc3, 0x79, 0x3d, 0x4a, 0x92, 0x77,
			     0xda, 0xde, 0xad, 0xc4, 0x1b, 0xec, 0x02, 0x90,
			     0xf8, 0x1f, 0x74, 0x4f, 0x73, 0x77, 0x5f, 0x84 },
		.public = { 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.result = { 0x9a, 0x2c, 0xfe, 0x84, 0xff, 0x9c, 0x4a, 0x97,
			    0x39, 0x62, 0x5c, 0xae, 0x4a, 0x3b, 0x82, 0xa9,
			    0x06, 0x87, 0x7a, 0x44, 0x19, 0x46, 0xf8, 0xd7,
			    0xb3, 0xd7, 0x95, 0xfe, 0x8f, 0x5d, 0x16, 0x39 },
		.valid = true
	},
	/* wycheproof - edge case on twist */
	{
		.private = { 0x98, 0x57, 0xa9, 0x14, 0xe3, 0xc2, 0x90, 0x36,
			     0xfd, 0x9a, 0x44, 0x2b, 0xa5, 0x26, 0xb5, 0xcd,
			     0xcd, 0xf2, 0x82, 0x16, 0x15, 0x3e, 0x63, 0x6c,
			     0x10, 0x67, 0x7a, 0xca, 0xb6, 0xbd, 0x6a, 0xa5 },
		.public = { 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.result = { 0x4d, 0xa4, 0xe0, 0xaa, 0x07, 0x2c, 0x23, 0x2e,
			    0xe2, 0xf0, 0xfa, 0x4e, 0x51, 0x9a, 0xe5, 0x0b,
			    0x52, 0xc1, 0xed, 0xd0, 0x8a, 0x53, 0x4d, 0x4e,
			    0xf3, 0x46, 0xc2, 0xe1, 0x06, 0xd2, 0x1d, 0x60 },
		.valid = true
	},
	/* wycheproof - edge case on twist */
	{
		.private = { 0x48, 0xe2, 0x13, 0x0d, 0x72, 0x33, 0x05, 0xed,
			     0x05, 0xe6, 0xe5, 0x89, 0x4d, 0x39, 0x8a, 0x5e,
			     0x33, 0x36, 0x7a, 0x8c, 0x6a, 0xac, 0x8f, 0xcd,
			     0xf0, 0xa8, 0x8e, 0x4b, 0x42, 0x82, 0x0d, 0xb7 },
		.public = { 0xff, 0xff, 0xff, 0x03, 0x00, 0x00, 0xf8, 0xff,
			    0xff, 0x1f, 0x00, 0x00, 0xc0, 0xff, 0xff, 0xff,
			    0x00, 0x00, 0x00, 0xfe, 0xff, 0xff, 0x07, 0x00,
			    0x00, 0xf0, 0xff, 0xff, 0x3f, 0x00, 0x00, 0x00 },
		.result = { 0x9e, 0xd1, 0x0c, 0x53, 0x74, 0x7f, 0x64, 0x7f,
			    0x82, 0xf4, 0x51, 0x25, 0xd3, 0xde, 0x15, 0xa1,
			    0xe6, 0xb8, 0x24, 0x49, 0x6a, 0xb4, 0x04, 0x10,
			    0xff, 0xcc, 0x3c, 0xfe, 0x95, 0x76, 0x0f, 0x3b },
		.valid = true
	},
	/* wycheproof - edge case on twist */
	{
		.private = { 0x28, 0xf4, 0x10, 0x11, 0x69, 0x18, 0x51, 0xb3,
			     0xa6, 0x2b, 0x64, 0x15, 0x53, 0xb3, 0x0d, 0x0d,
			     0xfd, 0xdc, 0xb8, 0xff, 0xfc, 0xf5, 0x37, 0x00,
			     0xa7, 0xbe, 0x2f, 0x6a, 0x87, 0x2e, 0x9f, 0xb0 },
		.public = { 0x00, 0x00, 0x00, 0xfc, 0xff, 0xff, 0x07, 0x00,
			    0x00, 0xe0, 0xff, 0xff, 0x3f, 0x00, 0x00, 0x00,
			    0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0xf8, 0xff,
			    0xff, 0x0f, 0x00, 0x00, 0xc0, 0xff, 0xff, 0x7f },
		.result = { 0xcf, 0x72, 0xb4, 0xaa, 0x6a, 0xa1, 0xc9, 0xf8,
			    0x94, 0xf4, 0x16, 0x5b, 0x86, 0x10, 0x9a, 0xa4,
			    0x68, 0x51, 0x76, 0x48, 0xe1, 0xf0, 0xcc, 0x70,
			    0xe1, 0xab, 0x08, 0x46, 0x01, 0x76, 0x50, 0x6b },
		.valid = true
	},
	/* wycheproof - edge case on twist */
	{
		.private = { 0x18, 0xa9, 0x3b, 0x64, 0x99, 0xb9, 0xf6, 0xb3,
			     0x22, 0x5c, 0xa0, 0x2f, 0xef, 0x41, 0x0e, 0x0a,
			     0xde, 0xc2, 0x35, 0x32, 0x32, 0x1d, 0x2d, 0x8e,
			     0xf1, 0xa6, 0xd6, 0x02, 0xa8, 0xc6, 0x5b, 0x83 },
		.public = { 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
			    0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
			    0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
			    0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0x7f },
		.result = { 0x5d, 0x50, 0xb6, 0x28, 0x36, 0xbb, 0x69, 0x57,
			    0x94, 0x10, 0x38, 0x6c, 0xf7, 0xbb, 0x81, 0x1c,
			    0x14, 0xbf, 0x85, 0xb1, 0xc7, 0xb1, 0x7e, 0x59,
			    0x24, 0xc7, 0xff, 0xea, 0x91, 0xef, 0x9e, 0x12 },
		.valid = true
	},
	/* wycheproof - edge case on twist */
	{
		.private = { 0xc0, 0x1d, 0x13, 0x05, 0xa1, 0x33, 0x8a, 0x1f,
			     0xca, 0xc2, 0xba, 0x7e, 0x2e, 0x03, 0x2b, 0x42,
			     0x7e, 0x0b, 0x04, 0x90, 0x31, 0x65, 0xac, 0xa9,
			     0x57, 0xd8, 0xd0, 0x55, 0x3d, 0x87, 0x17, 0xb0 },
		.public = { 0xea, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f },
		.result = { 0x19, 0x23, 0x0e, 0xb1, 0x48, 0xd5, 0xd6, 0x7c,
			    0x3c, 0x22, 0xab, 0x1d, 0xae, 0xff, 0x80, 0xa5,
			    0x7e, 0xae, 0x42, 0x65, 0xce, 0x28, 0x72, 0x65,
			    0x7b, 0x2c, 0x80, 0x99, 0xfc, 0x69, 0x8e, 0x50 },
		.valid = true
	},
	/* wycheproof - edge case for public key */
	{
		.private = { 0x38, 0x6f, 0x7f, 0x16, 0xc5, 0x07, 0x31, 0xd6,
			     0x4f, 0x82, 0xe6, 0xa1, 0x70, 0xb1, 0x42, 0xa4,
			     0xe3, 0x4f, 0x31, 0xfd, 0x77, 0x68, 0xfc, 0xb8,
			     0x90, 0x29, 0x25, 0xe7, 0xd1, 0xe2, 0x1a, 0xbe },
		.public = { 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.result = { 0x0f, 0xca, 0xb5, 0xd8, 0x42, 0xa0, 0x78, 0xd7,
			    0xa7, 0x1f, 0xc5, 0x9b, 0x57, 0xbf, 0xb4, 0xca,
			    0x0b, 0xe6, 0x87, 0x3b, 0x49, 0xdc, 0xdb, 0x9f,
			    0x44, 0xe1, 0x4a, 0xe8, 0xfb, 0xdf, 0xa5, 0x42 },
		.valid = true
	},
	/* wycheproof - edge case for public key */
	{
		.private = { 0xe0, 0x23, 0xa2, 0x89, 0xbd, 0x5e, 0x90, 0xfa,
			     0x28, 0x04, 0xdd, 0xc0, 0x19, 0xa0, 0x5e, 0xf3,
			     0xe7, 0x9d, 0x43, 0x4b, 0xb6, 0xea, 0x2f, 0x52,
			     0x2e, 0xcb, 0x64, 0x3a, 0x75, 0x29, 0x6e, 0x95 },
		.public = { 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
			    0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
			    0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
			    0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 },
		.result = { 0x54, 0xce, 0x8f, 0x22, 0x75, 0xc0, 0x77, 0xe3,
			    0xb1, 0x30, 0x6a, 0x39, 0x39, 0xc5, 0xe0, 0x3e,
			    0xef, 0x6b, 0xbb, 0x88, 0x06, 0x05, 0x44, 0x75,
			    0x8d, 0x9f, 0xef, 0x59, 0xb0, 0xbc, 0x3e, 0x4f },
		.valid = true
	},
	/* wycheproof - edge case for public key */
	{
		.private = { 0x68, 0xf0, 0x10, 0xd6, 0x2e, 0xe8, 0xd9, 0x26,
			     0x05, 0x3a, 0x36, 0x1c, 0x3a, 0x75, 0xc6, 0xea,
			     0x4e, 0xbd, 0xc8, 0x60, 0x6a, 0xb2, 0x85, 0x00,
			     0x3a, 0x6f, 0x8f, 0x40, 0x76, 0xb0, 0x1e, 0x83 },
		.public = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x03 },
		.result = { 0xf1, 0x36, 0x77, 0x5c, 0x5b, 0xeb, 0x0a, 0xf8,
			    0x11, 0x0a, 0xf1, 0x0b, 0x20, 0x37, 0x23, 0x32,
			    0x04, 0x3c, 0xab, 0x75, 0x24, 0x19, 0x67, 0x87,
			    0x75, 0xa2, 0x23, 0xdf, 0x57, 0xc9, 0xd3, 0x0d },
		.valid = true
	},
	/* wycheproof - edge case for public key */
	{
		.private = { 0x58, 0xeb, 0xcb, 0x35, 0xb0, 0xf8, 0x84, 0x5c,
			     0xaf, 0x1e, 0xc6, 0x30, 0xf9, 0x65, 0x76, 0xb6,
			     0x2c, 0x4b, 0x7b, 0x6c, 0x36, 0xb2, 0x9d, 0xeb,
			     0x2c, 0xb0, 0x08, 0x46, 0x51, 0x75, 0x5c, 0x96 },
		.public = { 0xff, 0xff, 0xff, 0xfb, 0xff, 0xff, 0xfb, 0xff,
			    0xff, 0xdf, 0xff, 0xff, 0xdf, 0xff, 0xff, 0xff,
			    0xfe, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xf7, 0xff,
			    0xff, 0xf7, 0xff, 0xff, 0xbf, 0xff, 0xff, 0x3f },
		.result = { 0xbf, 0x9a, 0xff, 0xd0, 0x6b, 0x84, 0x40, 0x85,
			    0x58, 0x64, 0x60, 0x96, 0x2e, 0xf2, 0x14, 0x6f,
			    0xf3, 0xd4, 0x53, 0x3d, 0x94, 0x44, 0xaa, 0xb0,
			    0x06, 0xeb, 0x88, 0xcc, 0x30, 0x54, 0x40, 0x7d },
		.valid = true
	},
	/* wycheproof - edge case for public key */
	{
		.private = { 0x18, 0x8c, 0x4b, 0xc5, 0xb9, 0xc4, 0x4b, 0x38,
			     0xbb, 0x65, 0x8b, 0x9b, 0x2a, 0xe8, 0x2d, 0x5b,
			     0x01, 0x01, 0x5e, 0x09, 0x31, 0x84, 0xb1, 0x7c,
			     0xb7, 0x86, 0x35, 0x03, 0xa7, 0x83, 0xe1, 0xbb },
		.public = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f },
		.result = { 0xd4, 0x80, 0xde, 0x04, 0xf6, 0x99, 0xcb, 0x3b,
			    0xe0, 0x68, 0x4a, 0x9c, 0xc2, 0xe3, 0x12, 0x81,
			    0xea, 0x0b, 0xc5, 0xa9, 0xdc, 0xc1, 0x57, 0xd3,
			    0xd2, 0x01, 0x58, 0xd4, 0x6c, 0xa5, 0x24, 0x6d },
		.valid = true
	},
	/* wycheproof - edge case for public key */
	{
		.private = { 0xe0, 0x6c, 0x11, 0xbb, 0x2e, 0x13, 0xce, 0x3d,
			     0xc7, 0x67, 0x3f, 0x67, 0xf5, 0x48, 0x22, 0x42,
			     0x90, 0x94, 0x23, 0xa9, 0xae, 0x95, 0xee, 0x98,
			     0x6a, 0x98, 0x8d, 0x98, 0xfa, 0xee, 0x23, 0xa2 },
		.public = { 0xff, 0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0x7f,
			    0xff, 0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0x7f,
			    0xff, 0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0x7f,
			    0xff, 0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0x7f },
		.result = { 0x4c, 0x44, 0x01, 0xcc, 0xe6, 0xb5, 0x1e, 0x4c,
			    0xb1, 0x8f, 0x27, 0x90, 0x24, 0x6c, 0x9b, 0xf9,
			    0x14, 0xdb, 0x66, 0x77, 0x50, 0xa1, 0xcb, 0x89,
			    0x06, 0x90, 0x92, 0xaf, 0x07, 0x29, 0x22, 0x76 },
		.valid = true
	},
	/* wycheproof - edge case for public key */
	{
		.private = { 0xc0, 0x65, 0x8c, 0x46, 0xdd, 0xe1, 0x81, 0x29,
			     0x29, 0x38, 0x77, 0x53, 0x5b, 0x11, 0x62, 0xb6,
			     0xf9, 0xf5, 0x41, 0x4a, 0x23, 0xcf, 0x4d, 0x2c,
			     0xbc, 0x14, 0x0a, 0x4d, 0x99, 0xda, 0x2b, 0x8f },
		.public = { 0xeb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f },
		.result = { 0x57, 0x8b, 0xa8, 0xcc, 0x2d, 0xbd, 0xc5, 0x75,
			    0xaf, 0xcf, 0x9d, 0xf2, 0xb3, 0xee, 0x61, 0x89,
			    0xf5, 0x33, 0x7d, 0x68, 0x54, 0xc7, 0x9b, 0x4c,
			    0xe1, 0x65, 0xea, 0x12, 0x29, 0x3b, 0x3a, 0x0f },
		.valid = true
	},
	/* wycheproof - public key with low order */
	{
		.private = { 0x10, 0x25, 0x5c, 0x92, 0x30, 0xa9, 0x7a, 0x30,
			     0xa4, 0x58, 0xca, 0x28, 0x4a, 0x62, 0x96, 0x69,
			     0x29, 0x3a, 0x31, 0x89, 0x0c, 0xda, 0x9d, 0x14,
			     0x7f, 0xeb, 0xc7, 0xd1, 0xe2, 0x2d, 0x6b, 0xb1 },
		.public = { 0xe0, 0xeb, 0x7a, 0x7c, 0x3b, 0x41, 0xb8, 0xae,
			    0x16, 0x56, 0xe3, 0xfa, 0xf1, 0x9f, 0xc4, 0x6a,
			    0xda, 0x09, 0x8d, 0xeb, 0x9c, 0x32, 0xb1, 0xfd,
			    0x86, 0x62, 0x05, 0x16, 0x5f, 0x49, 0xb8, 0x00 },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = false
	},
	/* wycheproof - public key with low order */
	{
		.private = { 0x78, 0xf1, 0xe8, 0xed, 0xf1, 0x44, 0x81, 0xb3,
			     0x89, 0x44, 0x8d, 0xac, 0x8f, 0x59, 0xc7, 0x0b,
			     0x03, 0x8e, 0x7c, 0xf9, 0x2e, 0xf2, 0xc7, 0xef,
			     0xf5, 0x7a, 0x72, 0x46, 0x6e, 0x11, 0x52, 0x96 },
		.public = { 0x5f, 0x9c, 0x95, 0xbc, 0xa3, 0x50, 0x8c, 0x24,
			    0xb1, 0xd0, 0xb1, 0x55, 0x9c, 0x83, 0xef, 0x5b,
			    0x04, 0x44, 0x5c, 0xc4, 0x58, 0x1c, 0x8e, 0x86,
			    0xd8, 0x22, 0x4e, 0xdd, 0xd0, 0x9f, 0x11, 0x57 },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = false
	},
	/* wycheproof - public key with low order */
	{
		.private = { 0xa0, 0xa0, 0x5a, 0x3e, 0x8f, 0x9f, 0x44, 0x20,
			     0x4d, 0x5f, 0x80, 0x59, 0xa9, 0x4a, 0xc7, 0xdf,
			     0xc3, 0x9a, 0x49, 0xac, 0x01, 0x6d, 0xd7, 0x43,
			     0xdb, 0xfa, 0x43, 0xc5, 0xd6, 0x71, 0xfd, 0x88 },
		.public = { 0xec, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = false
	},
	/* wycheproof - public key with low order */
	{
		.private = { 0xd0, 0xdb, 0xb3, 0xed, 0x19, 0x06, 0x66, 0x3f,
			     0x15, 0x42, 0x0a, 0xf3, 0x1f, 0x4e, 0xaf, 0x65,
			     0x09, 0xd9, 0xa9, 0x94, 0x97, 0x23, 0x50, 0x06,
			     0x05, 0xad, 0x7c, 0x1c, 0x6e, 0x74, 0x50, 0xa9 },
		.public = { 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = false
	},
	/* wycheproof - public key with low order */
	{
		.private = { 0xc0, 0xb1, 0xd0, 0xeb, 0x22, 0xb2, 0x44, 0xfe,
			     0x32, 0x91, 0x14, 0x00, 0x72, 0xcd, 0xd9, 0xd9,
			     0x89, 0xb5, 0xf0, 0xec, 0xd9, 0x6c, 0x10, 0x0f,
			     0xeb, 0x5b, 0xca, 0x24, 0x1c, 0x1d, 0x9f, 0x8f },
		.public = { 0xee, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = false
	},
	/* wycheproof - public key with low order */
	{
		.private = { 0x48, 0x0b, 0xf4, 0x5f, 0x59, 0x49, 0x42, 0xa8,
			     0xbc, 0x0f, 0x33, 0x53, 0xc6, 0xe8, 0xb8, 0x85,
			     0x3d, 0x77, 0xf3, 0x51, 0xf1, 0xc2, 0xca, 0x6c,
			     0x2d, 0x1a, 0xbf, 0x8a, 0x00, 0xb4, 0x22, 0x9c },
		.public = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = false
	},
	/* wycheproof - public key with low order */
	{
		.private = { 0x30, 0xf9, 0x93, 0xfc, 0xf8, 0x51, 0x4f, 0xc8,
			     0x9b, 0xd8, 0xdb, 0x14, 0xcd, 0x43, 0xba, 0x0d,
			     0x4b, 0x25, 0x30, 0xe7, 0x3c, 0x42, 0x76, 0xa0,
			     0x5e, 0x1b, 0x14, 0x5d, 0x42, 0x0c, 0xed, 0xb4 },
		.public = { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = false
	},
	/* wycheproof - public key with low order */
	{
		.private = { 0xc0, 0x49, 0x74, 0xb7, 0x58, 0x38, 0x0e, 0x2a,
			     0x5b, 0x5d, 0xf6, 0xeb, 0x09, 0xbb, 0x2f, 0x6b,
			     0x34, 0x34, 0xf9, 0x82, 0x72, 0x2a, 0x8e, 0x67,
			     0x6d, 0x3d, 0xa2, 0x51, 0xd1, 0xb3, 0xde, 0x83 },
		.public = { 0xe0, 0xeb, 0x7a, 0x7c, 0x3b, 0x41, 0xb8, 0xae,
			    0x16, 0x56, 0xe3, 0xfa, 0xf1, 0x9f, 0xc4, 0x6a,
			    0xda, 0x09, 0x8d, 0xeb, 0x9c, 0x32, 0xb1, 0xfd,
			    0x86, 0x62, 0x05, 0x16, 0x5f, 0x49, 0xb8, 0x80 },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = false
	},
	/* wycheproof - public key with low order */
	{
		.private = { 0x50, 0x2a, 0x31, 0x37, 0x3d, 0xb3, 0x24, 0x46,
			     0x84, 0x2f, 0xe5, 0xad, 0xd3, 0xe0, 0x24, 0x02,
			     0x2e, 0xa5, 0x4f, 0x27, 0x41, 0x82, 0xaf, 0xc3,
			     0xd9, 0xf1, 0xbb, 0x3d, 0x39, 0x53, 0x4e, 0xb5 },
		.public = { 0x5f, 0x9c, 0x95, 0xbc, 0xa3, 0x50, 0x8c, 0x24,
			    0xb1, 0xd0, 0xb1, 0x55, 0x9c, 0x83, 0xef, 0x5b,
			    0x04, 0x44, 0x5c, 0xc4, 0x58, 0x1c, 0x8e, 0x86,
			    0xd8, 0x22, 0x4e, 0xdd, 0xd0, 0x9f, 0x11, 0xd7 },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = false
	},
	/* wycheproof - public key with low order */
	{
		.private = { 0x90, 0xfa, 0x64, 0x17, 0xb0, 0xe3, 0x70, 0x30,
			     0xfd, 0x6e, 0x43, 0xef, 0xf2, 0xab, 0xae, 0xf1,
			     0x4c, 0x67, 0x93, 0x11, 0x7a, 0x03, 0x9c, 0xf6,
			     0x21, 0x31, 0x8b, 0xa9, 0x0f, 0x4e, 0x98, 0xbe },
		.public = { 0xec, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = false
	},
	/* wycheproof - public key with low order */
	{
		.private = { 0x78, 0xad, 0x3f, 0x26, 0x02, 0x7f, 0x1c, 0x9f,
			     0xdd, 0x97, 0x5a, 0x16, 0x13, 0xb9, 0x47, 0x77,
			     0x9b, 0xad, 0x2c, 0xf2, 0xb7, 0x41, 0xad, 0xe0,
			     0x18, 0x40, 0x88, 0x5a, 0x30, 0xbb, 0x97, 0x9c },
		.public = { 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = false
	},
	/* wycheproof - public key with low order */
	{
		.private = { 0x98, 0xe2, 0x3d, 0xe7, 0xb1, 0xe0, 0x92, 0x6e,
			     0xd9, 0xc8, 0x7e, 0x7b, 0x14, 0xba, 0xf5, 0x5f,
			     0x49, 0x7a, 0x1d, 0x70, 0x96, 0xf9, 0x39, 0x77,
			     0x68, 0x0e, 0x44, 0xdc, 0x1c, 0x7b, 0x7b, 0x8b },
		.public = { 0xee, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = false
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0xf0, 0x1e, 0x48, 0xda, 0xfa, 0xc9, 0xd7, 0xbc,
			     0xf5, 0x89, 0xcb, 0xc3, 0x82, 0xc8, 0x78, 0xd1,
			     0x8b, 0xda, 0x35, 0x50, 0x58, 0x9f, 0xfb, 0x5d,
			     0x50, 0xb5, 0x23, 0xbe, 0xbe, 0x32, 0x9d, 0xae },
		.public = { 0xef, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f },
		.result = { 0xbd, 0x36, 0xa0, 0x79, 0x0e, 0xb8, 0x83, 0x09,
			    0x8c, 0x98, 0x8b, 0x21, 0x78, 0x67, 0x73, 0xde,
			    0x0b, 0x3a, 0x4d, 0xf1, 0x62, 0x28, 0x2c, 0xf1,
			    0x10, 0xde, 0x18, 0xdd, 0x48, 0x4c, 0xe7, 0x4b },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0x28, 0x87, 0x96, 0xbc, 0x5a, 0xff, 0x4b, 0x81,
			     0xa3, 0x75, 0x01, 0x75, 0x7b, 0xc0, 0x75, 0x3a,
			     0x3c, 0x21, 0x96, 0x47, 0x90, 0xd3, 0x86, 0x99,
			     0x30, 0x8d, 0xeb, 0xc1, 0x7a, 0x6e, 0xaf, 0x8d },
		.public = { 0xf0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f },
		.result = { 0xb4, 0xe0, 0xdd, 0x76, 0xda, 0x7b, 0x07, 0x17,
			    0x28, 0xb6, 0x1f, 0x85, 0x67, 0x71, 0xaa, 0x35,
			    0x6e, 0x57, 0xed, 0xa7, 0x8a, 0x5b, 0x16, 0x55,
			    0xcc, 0x38, 0x20, 0xfb, 0x5f, 0x85, 0x4c, 0x5c },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0x98, 0xdf, 0x84, 0x5f, 0x66, 0x51, 0xbf, 0x11,
			     0x38, 0x22, 0x1f, 0x11, 0x90, 0x41, 0xf7, 0x2b,
			     0x6d, 0xbc, 0x3c, 0x4a, 0xce, 0x71, 0x43, 0xd9,
			     0x9f, 0xd5, 0x5a, 0xd8, 0x67, 0x48, 0x0d, 0xa8 },
		.public = { 0xf1, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f },
		.result = { 0x6f, 0xdf, 0x6c, 0x37, 0x61, 0x1d, 0xbd, 0x53,
			    0x04, 0xdc, 0x0f, 0x2e, 0xb7, 0xc9, 0x51, 0x7e,
			    0xb3, 0xc5, 0x0e, 0x12, 0xfd, 0x05, 0x0a, 0xc6,
			    0xde, 0xc2, 0x70, 0x71, 0xd4, 0xbf, 0xc0, 0x34 },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0xf0, 0x94, 0x98, 0xe4, 0x6f, 0x02, 0xf8, 0x78,
			     0x82, 0x9e, 0x78, 0xb8, 0x03, 0xd3, 0x16, 0xa2,
			     0xed, 0x69, 0x5d, 0x04, 0x98, 0xa0, 0x8a, 0xbd,
			     0xf8, 0x27, 0x69, 0x30, 0xe2, 0x4e, 0xdc, 0xb0 },
		.public = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f },
		.result = { 0x4c, 0x8f, 0xc4, 0xb1, 0xc6, 0xab, 0x88, 0xfb,
			    0x21, 0xf1, 0x8f, 0x6d, 0x4c, 0x81, 0x02, 0x40,
			    0xd4, 0xe9, 0x46, 0x51, 0xba, 0x44, 0xf7, 0xa2,
			    0xc8, 0x63, 0xce, 0xc7, 0xdc, 0x56, 0x60, 0x2d },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0x18, 0x13, 0xc1, 0x0a, 0x5c, 0x7f, 0x21, 0xf9,
			     0x6e, 0x17, 0xf2, 0x88, 0xc0, 0xcc, 0x37, 0x60,
			     0x7c, 0x04, 0xc5, 0xf5, 0xae, 0xa2, 0xdb, 0x13,
			     0x4f, 0x9e, 0x2f, 0xfc, 0x66, 0xbd, 0x9d, 0xb8 },
		.public = { 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 },
		.result = { 0x1c, 0xd0, 0xb2, 0x82, 0x67, 0xdc, 0x54, 0x1c,
			    0x64, 0x2d, 0x6d, 0x7d, 0xca, 0x44, 0xa8, 0xb3,
			    0x8a, 0x63, 0x73, 0x6e, 0xef, 0x5c, 0x4e, 0x65,
			    0x01, 0xff, 0xbb, 0xb1, 0x78, 0x0c, 0x03, 0x3c },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0x78, 0x57, 0xfb, 0x80, 0x86, 0x53, 0x64, 0x5a,
			     0x0b, 0xeb, 0x13, 0x8a, 0x64, 0xf5, 0xf4, 0xd7,
			     0x33, 0xa4, 0x5e, 0xa8, 0x4c, 0x3c, 0xda, 0x11,
			     0xa9, 0xc0, 0x6f, 0x7e, 0x71, 0x39, 0x14, 0x9e },
		.public = { 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 },
		.result = { 0x87, 0x55, 0xbe, 0x01, 0xc6, 0x0a, 0x7e, 0x82,
			    0x5c, 0xff, 0x3e, 0x0e, 0x78, 0xcb, 0x3a, 0xa4,
			    0x33, 0x38, 0x61, 0x51, 0x6a, 0xa5, 0x9b, 0x1c,
			    0x51, 0xa8, 0xb2, 0xa5, 0x43, 0xdf, 0xa8, 0x22 },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0xe0, 0x3a, 0xa8, 0x42, 0xe2, 0xab, 0xc5, 0x6e,
			     0x81, 0xe8, 0x7b, 0x8b, 0x9f, 0x41, 0x7b, 0x2a,
			     0x1e, 0x59, 0x13, 0xc7, 0x23, 0xee, 0xd2, 0x8d,
			     0x75, 0x2f, 0x8d, 0x47, 0xa5, 0x9f, 0x49, 0x8f },
		.public = { 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 },
		.result = { 0x54, 0xc9, 0xa1, 0xed, 0x95, 0xe5, 0x46, 0xd2,
			    0x78, 0x22, 0xa3, 0x60, 0x93, 0x1d, 0xda, 0x60,
			    0xa1, 0xdf, 0x04, 0x9d, 0xa6, 0xf9, 0x04, 0x25,
			    0x3c, 0x06, 0x12, 0xbb, 0xdc, 0x08, 0x74, 0x76 },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0xf8, 0xf7, 0x07, 0xb7, 0x99, 0x9b, 0x18, 0xcb,
			     0x0d, 0x6b, 0x96, 0x12, 0x4f, 0x20, 0x45, 0x97,
			     0x2c, 0xa2, 0x74, 0xbf, 0xc1, 0x54, 0xad, 0x0c,
			     0x87, 0x03, 0x8c, 0x24, 0xc6, 0xd0, 0xd4, 0xb2 },
		.public = { 0xda, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
		.result = { 0xcc, 0x1f, 0x40, 0xd7, 0x43, 0xcd, 0xc2, 0x23,
			    0x0e, 0x10, 0x43, 0xda, 0xba, 0x8b, 0x75, 0xe8,
			    0x10, 0xf1, 0xfb, 0xab, 0x7f, 0x25, 0x52, 0x69,
			    0xbd, 0x9e, 0xbb, 0x29, 0xe6, 0xbf, 0x49, 0x4f },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0xa0, 0x34, 0xf6, 0x84, 0xfa, 0x63, 0x1e, 0x1a,
			     0x34, 0x81, 0x18, 0xc1, 0xce, 0x4c, 0x98, 0x23,
			     0x1f, 0x2d, 0x9e, 0xec, 0x9b, 0xa5, 0x36, 0x5b,
			     0x4a, 0x05, 0xd6, 0x9a, 0x78, 0x5b, 0x07, 0x96 },
		.public = { 0xdb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
		.result = { 0x54, 0x99, 0x8e, 0xe4, 0x3a, 0x5b, 0x00, 0x7b,
			    0xf4, 0x99, 0xf0, 0x78, 0xe7, 0x36, 0x52, 0x44,
			    0x00, 0xa8, 0xb5, 0xc7, 0xe9, 0xb9, 0xb4, 0x37,
			    0x71, 0x74, 0x8c, 0x7c, 0xdf, 0x88, 0x04, 0x12 },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0x30, 0xb6, 0xc6, 0xa0, 0xf2, 0xff, 0xa6, 0x80,
			     0x76, 0x8f, 0x99, 0x2b, 0xa8, 0x9e, 0x15, 0x2d,
			     0x5b, 0xc9, 0x89, 0x3d, 0x38, 0xc9, 0x11, 0x9b,
			     0xe4, 0xf7, 0x67, 0xbf, 0xab, 0x6e, 0x0c, 0xa5 },
		.public = { 0xdc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
		.result = { 0xea, 0xd9, 0xb3, 0x8e, 0xfd, 0xd7, 0x23, 0x63,
			    0x79, 0x34, 0xe5, 0x5a, 0xb7, 0x17, 0xa7, 0xae,
			    0x09, 0xeb, 0x86, 0xa2, 0x1d, 0xc3, 0x6a, 0x3f,
			    0xee, 0xb8, 0x8b, 0x75, 0x9e, 0x39, 0x1e, 0x09 },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0x90, 0x1b, 0x9d, 0xcf, 0x88, 0x1e, 0x01, 0xe0,
			     0x27, 0x57, 0x50, 0x35, 0xd4, 0x0b, 0x43, 0xbd,
			     0xc1, 0xc5, 0x24, 0x2e, 0x03, 0x08, 0x47, 0x49,
			     0x5b, 0x0c, 0x72, 0x86, 0x46, 0x9b, 0x65, 0x91 },
		.public = { 0xea, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
		.result = { 0x60, 0x2f, 0xf4, 0x07, 0x89, 0xb5, 0x4b, 0x41,
			    0x80, 0x59, 0x15, 0xfe, 0x2a, 0x62, 0x21, 0xf0,
			    0x7a, 0x50, 0xff, 0xc2, 0xc3, 0xfc, 0x94, 0xcf,
			    0x61, 0xf1, 0x3d, 0x79, 0x04, 0xe8, 0x8e, 0x0e },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0x80, 0x46, 0x67, 0x7c, 0x28, 0xfd, 0x82, 0xc9,
			     0xa1, 0xbd, 0xb7, 0x1a, 0x1a, 0x1a, 0x34, 0xfa,
			     0xba, 0x12, 0x25, 0xe2, 0x50, 0x7f, 0xe3, 0xf5,
			     0x4d, 0x10, 0xbd, 0x5b, 0x0d, 0x86, 0x5f, 0x8e },
		.public = { 0xeb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
		.result = { 0xe0, 0x0a, 0xe8, 0xb1, 0x43, 0x47, 0x12, 0x47,
			    0xba, 0x24, 0xf1, 0x2c, 0x88, 0x55, 0x36, 0xc3,
			    0xcb, 0x98, 0x1b, 0x58, 0xe1, 0xe5, 0x6b, 0x2b,
			    0xaf, 0x35, 0xc1, 0x2a, 0xe1, 0xf7, 0x9c, 0x26 },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0x60, 0x2f, 0x7e, 0x2f, 0x68, 0xa8, 0x46, 0xb8,
			     0x2c, 0xc2, 0x69, 0xb1, 0xd4, 0x8e, 0x93, 0x98,
			     0x86, 0xae, 0x54, 0xfd, 0x63, 0x6c, 0x1f, 0xe0,
			     0x74, 0xd7, 0x10, 0x12, 0x7d, 0x47, 0x24, 0x91 },
		.public = { 0xef, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
		.result = { 0x98, 0xcb, 0x9b, 0x50, 0xdd, 0x3f, 0xc2, 0xb0,
			    0xd4, 0xf2, 0xd2, 0xbf, 0x7c, 0x5c, 0xfd, 0xd1,
			    0x0c, 0x8f, 0xcd, 0x31, 0xfc, 0x40, 0xaf, 0x1a,
			    0xd4, 0x4f, 0x47, 0xc1, 0x31, 0x37, 0x63, 0x62 },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0x60, 0x88, 0x7b, 0x3d, 0xc7, 0x24, 0x43, 0x02,
			     0x6e, 0xbe, 0xdb, 0xbb, 0xb7, 0x06, 0x65, 0xf4,
			     0x2b, 0x87, 0xad, 0xd1, 0x44, 0x0e, 0x77, 0x68,
			     0xfb, 0xd7, 0xe8, 0xe2, 0xce, 0x5f, 0x63, 0x9d },
		.public = { 0xf0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
		.result = { 0x38, 0xd6, 0x30, 0x4c, 0x4a, 0x7e, 0x6d, 0x9f,
			    0x79, 0x59, 0x33, 0x4f, 0xb5, 0x24, 0x5b, 0xd2,
			    0xc7, 0x54, 0x52, 0x5d, 0x4c, 0x91, 0xdb, 0x95,
			    0x02, 0x06, 0x92, 0x62, 0x34, 0xc1, 0xf6, 0x33 },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0x78, 0xd3, 0x1d, 0xfa, 0x85, 0x44, 0x97, 0xd7,
			     0x2d, 0x8d, 0xef, 0x8a, 0x1b, 0x7f, 0xb0, 0x06,
			     0xce, 0xc2, 0xd8, 0xc4, 0x92, 0x46, 0x47, 0xc9,
			     0x38, 0x14, 0xae, 0x56, 0xfa, 0xed, 0xa4, 0x95 },
		.public = { 0xf1, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
		.result = { 0x78, 0x6c, 0xd5, 0x49, 0x96, 0xf0, 0x14, 0xa5,
			    0xa0, 0x31, 0xec, 0x14, 0xdb, 0x81, 0x2e, 0xd0,
			    0x83, 0x55, 0x06, 0x1f, 0xdb, 0x5d, 0xe6, 0x80,
			    0xa8, 0x00, 0xac, 0x52, 0x1f, 0x31, 0x8e, 0x23 },
		.valid = true
	},
	/* wycheproof - public key >= p */
	{
		.private = { 0xc0, 0x4c, 0x5b, 0xae, 0xfa, 0x83, 0x02, 0xdd,
			     0xde, 0xd6, 0xa4, 0xbb, 0x95, 0x77, 0x61, 0xb4,
			     0xeb, 0x97, 0xae, 0xfa, 0x4f, 0xc3, 0xb8, 0x04,
			     0x30, 0x85, 0xf9, 0x6a, 0x56, 0x59, 0xb3, 0xa5 },
		.public = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
		.result = { 0x29, 0xae, 0x8b, 0xc7, 0x3e, 0x9b, 0x10, 0xa0,
			    0x8b, 0x4f, 0x68, 0x1c, 0x43, 0xc3, 0xe0, 0xac,
			    0x1a, 0x17, 0x1d, 0x31, 0xb3, 0x8f, 0x1a, 0x48,
			    0xef, 0xba, 0x29, 0xae, 0x63, 0x9e, 0xa1, 0x34 },
		.valid = true
	},
	/* wycheproof - RFC 7748 */
	{
		.private = { 0xa0, 0x46, 0xe3, 0x6b, 0xf0, 0x52, 0x7c, 0x9d,
			     0x3b, 0x16, 0x15, 0x4b, 0x82, 0x46, 0x5e, 0xdd,
			     0x62, 0x14, 0x4c, 0x0a, 0xc1, 0xfc, 0x5a, 0x18,
			     0x50, 0x6a, 0x22, 0x44, 0xba, 0x44, 0x9a, 0x44 },
		.public = { 0xe6, 0xdb, 0x68, 0x67, 0x58, 0x30, 0x30, 0xdb,
			    0x35, 0x94, 0xc1, 0xa4, 0x24, 0xb1, 0x5f, 0x7c,
			    0x72, 0x66, 0x24, 0xec, 0x26, 0xb3, 0x35, 0x3b,
			    0x10, 0xa9, 0x03, 0xa6, 0xd0, 0xab, 0x1c, 0x4c },
		.result = { 0xc3, 0xda, 0x55, 0x37, 0x9d, 0xe9, 0xc6, 0x90,
			    0x8e, 0x94, 0xea, 0x4d, 0xf2, 0x8d, 0x08, 0x4f,
			    0x32, 0xec, 0xcf, 0x03, 0x49, 0x1c, 0x71, 0xf7,
			    0x54, 0xb4, 0x07, 0x55, 0x77, 0xa2, 0x85, 0x52 },
		.valid = true
	},
	/* wycheproof - RFC 7748 */
	{
		.private = { 0x48, 0x66, 0xe9, 0xd4, 0xd1, 0xb4, 0x67, 0x3c,
			     0x5a, 0xd2, 0x26, 0x91, 0x95, 0x7d, 0x6a, 0xf5,
			     0xc1, 0x1b, 0x64, 0x21, 0xe0, 0xea, 0x01, 0xd4,
			     0x2c, 0xa4, 0x16, 0x9e, 0x79, 0x18, 0xba, 0x4d },
		.public = { 0xe5, 0x21, 0x0f, 0x12, 0x78, 0x68, 0x11, 0xd3,
			    0xf4, 0xb7, 0x95, 0x9d, 0x05, 0x38, 0xae, 0x2c,
			    0x31, 0xdb, 0xe7, 0x10, 0x6f, 0xc0, 0x3c, 0x3e,
			    0xfc, 0x4c, 0xd5, 0x49, 0xc7, 0x15, 0xa4, 0x13 },
		.result = { 0x95, 0xcb, 0xde, 0x94, 0x76, 0xe8, 0x90, 0x7d,
			    0x7a, 0xad, 0xe4, 0x5c, 0xb4, 0xb8, 0x73, 0xf8,
			    0x8b, 0x59, 0x5a, 0x68, 0x79, 0x9f, 0xa1, 0x52,
			    0xe6, 0xf8, 0xf7, 0x64, 0x7a, 0xac, 0x79, 0x57 },
		.valid = true
	},
	/* wycheproof - edge case for shared secret */
	{
		.private = { 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4,
			     0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3,
			     0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc,
			     0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 },
		.public = { 0x0a, 0xb4, 0xe7, 0x63, 0x80, 0xd8, 0x4d, 0xde,
			    0x4f, 0x68, 0x33, 0xc5, 0x8f, 0x2a, 0x9f, 0xb8,
			    0xf8, 0x3b, 0xb0, 0x16, 0x9b, 0x17, 0x2b, 0xe4,
			    0xb6, 0xe0, 0x59, 0x28, 0x87, 0x74, 0x1a, 0x36 },
		.result = { 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = true
	},
	/* wycheproof - edge case for shared secret */
	{
		.private = { 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4,
			     0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3,
			     0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc,
			     0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 },
		.public = { 0x89, 0xe1, 0x0d, 0x57, 0x01, 0xb4, 0x33, 0x7d,
			    0x2d, 0x03, 0x21, 0x81, 0x53, 0x8b, 0x10, 0x64,
			    0xbd, 0x40, 0x84, 0x40, 0x1c, 0xec, 0xa1, 0xfd,
			    0x12, 0x66, 0x3a, 0x19, 0x59, 0x38, 0x80, 0x00 },
		.result = { 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = true
	},
	/* wycheproof - edge case for shared secret */
	{
		.private = { 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4,
			     0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3,
			     0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc,
			     0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 },
		.public = { 0x2b, 0x55, 0xd3, 0xaa, 0x4a, 0x8f, 0x80, 0xc8,
			    0xc0, 0xb2, 0xae, 0x5f, 0x93, 0x3e, 0x85, 0xaf,
			    0x49, 0xbe, 0xac, 0x36, 0xc2, 0xfa, 0x73, 0x94,
			    0xba, 0xb7, 0x6c, 0x89, 0x33, 0xf8, 0xf8, 0x1d },
		.result = { 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
		.valid = true
	},
	/* wycheproof - edge case for shared secret */
	{
		.private = { 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4,
			     0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3,
			     0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc,
			     0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 },
		.public = { 0x63, 0xe5, 0xb1, 0xfe, 0x96, 0x01, 0xfe, 0x84,
			    0x38, 0x5d, 0x88, 0x66, 0xb0, 0x42, 0x12, 0x62,
			    0xf7, 0x8f, 0xbf, 0xa5, 0xaf, 0xf9, 0x58, 0x5e,
			    0x62, 0x66, 0x79, 0xb1, 0x85, 0x47, 0xd9, 0x59 },
		.result = { 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f },
		.valid = true
	},
	/* wycheproof - edge case for shared secret */
	{
		.private = { 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4,
			     0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3,
			     0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc,
			     0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 },
		.public = { 0xe4, 0x28, 0xf3, 0xda, 0xc1, 0x78, 0x09, 0xf8,
			    0x27, 0xa5, 0x22, 0xce, 0x32, 0x35, 0x50, 0x58,
			    0xd0, 0x73, 0x69, 0x36, 0x4a, 0xa7, 0x89, 0x02,
			    0xee, 0x10, 0x13, 0x9b, 0x9f, 0x9d, 0xd6, 0x53 },
		.result = { 0xfc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f },
		.valid = true
	},
	/* wycheproof - edge case for shared secret */
	{
		.private = { 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4,
			     0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3,
			     0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc,
			     0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 },
		.public = { 0xb3, 0xb5, 0x0e, 0x3e, 0xd3, 0xa4, 0x07, 0xb9,
			    0x5d, 0xe9, 0x42, 0xef, 0x74, 0x57, 0x5b, 0x5a,
			    0xb8, 0xa1, 0x0c, 0x09, 0xee, 0x10, 0x35, 0x44,
			    0xd6, 0x0b, 0xdf, 0xed, 0x81, 0x38, 0xab, 0x2b },
		.result = { 0xf9, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f },
		.valid = true
	},
	/* wycheproof - edge case for shared secret */
	{
		.private = { 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4,
			     0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3,
			     0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc,
			     0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 },
		.public = { 0x21, 0x3f, 0xff, 0xe9, 0x3d, 0x5e, 0xa8, 0xcd,
			    0x24, 0x2e, 0x46, 0x28, 0x44, 0x02, 0x99, 0x22,
			    0xc4, 0x3c, 0x77, 0xc9, 0xe3, 0xe4, 0x2f, 0x56,
			    0x2f, 0x48, 0x5d, 0x24, 0xc5, 0x01, 0xa2, 0x0b },
		.result = { 0xf3, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f },
		.valid = true
	},
	/* wycheproof - edge case for shared secret */
	{
		.private = { 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4,
			     0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3,
			     0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc,
			     0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 },
		.public = { 0x91, 0xb2, 0x32, 0xa1, 0x78, 0xb3, 0xcd, 0x53,
			    0x09, 0x32, 0x44, 0x1e, 0x61, 0x39, 0x41, 0x8f,
			    0x72, 0x17, 0x22, 0x92, 0xf1, 0xda, 0x4c, 0x18,
			    0x34, 0xfc, 0x5e, 0xbf, 0xef, 0xb5, 0x1e, 0x3f },
		.result = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x03 },
		.valid = true
	},
	/* wycheproof - edge case for shared secret */
	{
		.private = { 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4,
			     0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3,
			     0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc,
			     0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 },
		.public = { 0x04, 0x5c, 0x6e, 0x11, 0xc5, 0xd3, 0x32, 0x55,
			    0x6c, 0x78, 0x22, 0xfe, 0x94, 0xeb, 0xf8, 0x9b,
			    0x56, 0xa3, 0x87, 0x8d, 0xc2, 0x7c, 0xa0, 0x79,
			    0x10, 0x30, 0x58, 0x84, 0x9f, 0xab, 0xcb, 0x4f },
		.result = { 0xe5, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f },
		.valid = true
	},
	/* wycheproof - edge case for shared secret */
	{
		.private = { 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4,
			     0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3,
			     0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc,
			     0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 },
		.public = { 0x1c, 0xa2, 0x19, 0x0b, 0x71, 0x16, 0x35, 0x39,
			    0x06, 0x3c, 0x35, 0x77, 0x3b, 0xda, 0x0c, 0x9c,
			    0x92, 0x8e, 0x91, 0x36, 0xf0, 0x62, 0x0a, 0xeb,
			    0x09, 0x3f, 0x09, 0x91, 0x97, 0xb7, 0xf7, 0x4e },
		.result = { 0xe3, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f },
		.valid = true
	},
	/* wycheproof - edge case for shared secret */
	{
		.private = { 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4,
			     0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3,
			     0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc,
			     0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 },
		.public = { 0xf7, 0x6e, 0x90, 0x10, 0xac, 0x33, 0xc5, 0x04,
			    0x3b, 0x2d, 0x3b, 0x76, 0xa8, 0x42, 0x17, 0x10,
			    0x00, 0xc4, 0x91, 0x62, 0x22, 0xe9, 0xe8, 0x58,
			    0x97, 0xa0, 0xae, 0xc7, 0xf6, 0x35, 0x0b, 0x3c },
		.result = { 0xdd, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f },
		.valid = true
	},
	/* wycheproof - edge case for shared secret */
	{
		.private = { 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4,
			     0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3,
			     0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc,
			     0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 },
		.public = { 0xbb, 0x72, 0x68, 0x8d, 0x8f, 0x8a, 0xa7, 0xa3,
			    0x9c, 0xd6, 0x06, 0x0c, 0xd5, 0xc8, 0x09, 0x3c,
			    0xde, 0xc6, 0xfe, 0x34, 0x19, 0x37, 0xc3, 0x88,
			    0x6a, 0x99, 0x34, 0x6c, 0xd0, 0x7f, 0xaa, 0x55 },
		.result = { 0xdb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f },
		.valid = true
	},
	/* wycheproof - edge case for shared secret */
	{
		.private = { 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4,
			     0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3,
			     0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc,
			     0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 },
		.public = { 0x88, 0xfd, 0xde, 0xa1, 0x93, 0x39, 0x1c, 0x6a,
			    0x59, 0x33, 0xef, 0x9b, 0x71, 0x90, 0x15, 0x49,
			    0x44, 0x72, 0x05, 0xaa, 0xe9, 0xda, 0x92, 0x8a,
			    0x6b, 0x91, 0xa3, 0x52, 0xba, 0x10, 0xf4, 0x1f },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 },
		.valid = true
	},
	/* wycheproof - edge case for shared secret */
	{
		.private = { 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4,
			     0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3,
			     0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc,
			     0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 },
		.public = { 0x30, 0x3b, 0x39, 0x2f, 0x15, 0x31, 0x16, 0xca,
			    0xd9, 0xcc, 0x68, 0x2a, 0x00, 0xcc, 0xc4, 0x4c,
			    0x95, 0xff, 0x0d, 0x3b, 0xbe, 0x56, 0x8b, 0xeb,
			    0x6c, 0x4e, 0x73, 0x9b, 0xaf, 0xdc, 0x2c, 0x68 },
		.result = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00 },
		.valid = true
	},
	/* wycheproof - checking for overflow */
	{
		.private = { 0xc8, 0x17, 0x24, 0x70, 0x40, 0x00, 0xb2, 0x6d,
			     0x31, 0x70, 0x3c, 0xc9, 0x7e, 0x3a, 0x37, 0x8d,
			     0x56, 0xfa, 0xd8, 0x21, 0x93, 0x61, 0xc8, 0x8c,
			     0xca, 0x8b, 0xd7, 0xc5, 0x71, 0x9b, 0x12, 0xb2 },
		.public = { 0xfd, 0x30, 0x0a, 0xeb, 0x40, 0xe1, 0xfa, 0x58,
			    0x25, 0x18, 0x41, 0x2b, 0x49, 0xb2, 0x08, 0xa7,
			    0x84, 0x2b, 0x1e, 0x1f, 0x05, 0x6a, 0x04, 0x01,
			    0x78, 0xea, 0x41, 0x41, 0x53, 0x4f, 0x65, 0x2d },
		.result = { 0xb7, 0x34, 0x10, 0x5d, 0xc2, 0x57, 0x58, 0x5d,
			    0x73, 0xb5, 0x66, 0xcc, 0xb7, 0x6f, 0x06, 0x27,
			    0x95, 0xcc, 0xbe, 0xc8, 0x91, 0x28, 0xe5, 0x2b,
			    0x02, 0xf3, 0xe5, 0x96, 0x39, 0xf1, 0x3c, 0x46 },
		.valid = true
	},
	/* wycheproof - checking for overflow */
	{
		.private = { 0xc8, 0x17, 0x24, 0x70, 0x40, 0x00, 0xb2, 0x6d,
			     0x31, 0x70, 0x3c, 0xc9, 0x7e, 0x3a, 0x37, 0x8d,
			     0x56, 0xfa, 0xd8, 0x21, 0x93, 0x61, 0xc8, 0x8c,
			     0xca, 0x8b, 0xd7, 0xc5, 0x71, 0x9b, 0x12, 0xb2 },
		.public = { 0xc8, 0xef, 0x79, 0xb5, 0x14, 0xd7, 0x68, 0x26,
			    0x77, 0xbc, 0x79, 0x31, 0xe0, 0x6e, 0xe5, 0xc2,
			    0x7c, 0x9b, 0x39, 0x2b, 0x4a, 0xe9, 0x48, 0x44,
			    0x73, 0xf5, 0x54, 0xe6, 0x67, 0x8e, 0xcc, 0x2e },
		.result = { 0x64, 0x7a, 0x46, 0xb6, 0xfc, 0x3f, 0x40, 0xd6,
			    0x21, 0x41, 0xee, 0x3c, 0xee, 0x70, 0x6b, 0x4d,
			    0x7a, 0x92, 0x71, 0x59, 0x3a, 0x7b, 0x14, 0x3e,
			    0x8e, 0x2e, 0x22, 0x79, 0x88, 0x3e, 0x45, 0x50 },
		.valid = true
	},
	/* wycheproof - checking for overflow */
	{
		.private = { 0xc8, 0x17, 0x24, 0x70, 0x40, 0x00, 0xb2, 0x6d,
			     0x31, 0x70, 0x3c, 0xc9, 0x7e, 0x3a, 0x37, 0x8d,
			     0x56, 0xfa, 0xd8, 0x21, 0x93, 0x61, 0xc8, 0x8c,
			     0xca, 0x8b, 0xd7, 0xc5, 0x71, 0x9b, 0x12, 0xb2 },
		.public = { 0x64, 0xae, 0xac, 0x25, 0x04, 0x14, 0x48, 0x61,
			    0x53, 0x2b, 0x7b, 0xbc, 0xb6, 0xc8, 0x7d, 0x67,
			    0xdd, 0x4c, 0x1f, 0x07, 0xeb, 0xc2, 0xe0, 0x6e,
			    0xff, 0xb9, 0x5a, 0xec, 0xc6, 0x17, 0x0b, 0x2c },
		.result = { 0x4f, 0xf0, 0x3d, 0x5f, 0xb4, 0x3c, 0xd8, 0x65,
			    0x7a, 0x3c, 0xf3, 0x7c, 0x13, 0x8c, 0xad, 0xce,
			    0xcc, 0xe5, 0x09, 0xe4, 0xeb, 0xa0, 0x89, 0xd0,
			    0xef, 0x40, 0xb4, 0xe4, 0xfb, 0x94, 0x61, 0x55 },
		.valid = true
	},
	/* wycheproof - checking for overflow */
	{
		.private = { 0xc8, 0x17, 0x24, 0x70, 0x40, 0x00, 0xb2, 0x6d,
			     0x31, 0x70, 0x3c, 0xc9, 0x7e, 0x3a, 0x37, 0x8d,
			     0x56, 0xfa, 0xd8, 0x21, 0x93, 0x61, 0xc8, 0x8c,
			     0xca, 0x8b, 0xd7, 0xc5, 0x71, 0x9b, 0x12, 0xb2 },
		.public = { 0xbf, 0x68, 0xe3, 0x5e, 0x9b, 0xdb, 0x7e, 0xee,
			    0x1b, 0x50, 0x57, 0x02, 0x21, 0x86, 0x0f, 0x5d,
			    0xcd, 0xad, 0x8a, 0xcb, 0xab, 0x03, 0x1b, 0x14,
			    0x97, 0x4c, 0xc4, 0x90, 0x13, 0xc4, 0x98, 0x31 },
		.result = { 0x21, 0xce, 0xe5, 0x2e, 0xfd, 0xbc, 0x81, 0x2e,
			    0x1d, 0x02, 0x1a, 0x4a, 0xf1, 0xe1, 0xd8, 0xbc,
			    0x4d, 0xb3, 0xc4, 0x00, 0xe4, 0xd2, 0xa2, 0xc5,
			    0x6a, 0x39, 0x26, 0xdb, 0x4d, 0x99, 0xc6, 0x5b },
		.valid = true
	},
	/* wycheproof - checking for overflow */
	{
		.private = { 0xc8, 0x17, 0x24, 0x70, 0x40, 0x00, 0xb2, 0x6d,
			     0x31, 0x70, 0x3c, 0xc9, 0x7e, 0x3a, 0x37, 0x8d,
			     0x56, 0xfa, 0xd8, 0x21, 0x93, 0x61, 0xc8, 0x8c,
			     0xca, 0x8b, 0xd7, 0xc5, 0x71, 0x9b, 0x12, 0xb2 },
		.public = { 0x53, 0x47, 0xc4, 0x91, 0x33, 0x1a, 0x64, 0xb4,
			    0x3d, 0xdc, 0x68, 0x30, 0x34, 0xe6, 0x77, 0xf5,
			    0x3d, 0xc3, 0x2b, 0x52, 0xa5, 0x2a, 0x57, 0x7c,
			    0x15, 0xa8, 0x3b, 0xf2, 0x98, 0xe9, 0x9f, 0x19 },
		.result = { 0x18, 0xcb, 0x89, 0xe4, 0xe2, 0x0c, 0x0c, 0x2b,
			    0xd3, 0x24, 0x30, 0x52, 0x45, 0x26, 0x6c, 0x93,
			    0x27, 0x69, 0x0b, 0xbe, 0x79, 0xac, 0xb8, 0x8f,
			    0x5b, 0x8f, 0xb3, 0xf7, 0x4e, 0xca, 0x3e, 0x52 },
		.valid = true
	},
	/* wycheproof - private key == -1 (mod order) */
	{
		.private = { 0xa0, 0x23, 0xcd, 0xd0, 0x83, 0xef, 0x5b, 0xb8,
			     0x2f, 0x10, 0xd6, 0x2e, 0x59, 0xe1, 0x5a, 0x68,
			     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50 },
		.public = { 0x25, 0x8e, 0x04, 0x52, 0x3b, 0x8d, 0x25, 0x3e,
			    0xe6, 0x57, 0x19, 0xfc, 0x69, 0x06, 0xc6, 0x57,
			    0x19, 0x2d, 0x80, 0x71, 0x7e, 0xdc, 0x82, 0x8f,
			    0xa0, 0xaf, 0x21, 0x68, 0x6e, 0x2f, 0xaa, 0x75 },
		.result = { 0x25, 0x8e, 0x04, 0x52, 0x3b, 0x8d, 0x25, 0x3e,
			    0xe6, 0x57, 0x19, 0xfc, 0x69, 0x06, 0xc6, 0x57,
			    0x19, 0x2d, 0x80, 0x71, 0x7e, 0xdc, 0x82, 0x8f,
			    0xa0, 0xaf, 0x21, 0x68, 0x6e, 0x2f, 0xaa, 0x75 },
		.valid = true
	},
	/* wycheproof - private key == 1 (mod order) on twist */
	{
		.private = { 0x58, 0x08, 0x3d, 0xd2, 0x61, 0xad, 0x91, 0xef,
			     0xf9, 0x52, 0x32, 0x2e, 0xc8, 0x24, 0xc6, 0x82,
			     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
			     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x5f },
		.public = { 0x2e, 0xae, 0x5e, 0xc3, 0xdd, 0x49, 0x4e, 0x9f,
			    0x2d, 0x37, 0xd2, 0x58, 0xf8, 0x73, 0xa8, 0xe6,
			    0xe9, 0xd0, 0xdb, 0xd1, 0xe3, 0x83, 0xef, 0x64,
			    0xd9, 0x8b, 0xb9, 0x1b, 0x3e, 0x0b, 0xe0, 0x35 },
		.result = { 0x2e, 0xae, 0x5e, 0xc3, 0xdd, 0x49, 0x4e, 0x9f,
			    0x2d, 0x37, 0xd2, 0x58, 0xf8, 0x73, 0xa8, 0xe6,
			    0xe9, 0xd0, 0xdb, 0xd1, 0xe3, 0x83, 0xef, 0x64,
			    0xd9, 0x8b, 0xb9, 0x1b, 0x3e, 0x0b, 0xe0, 0x35 },
		.valid = true
	}
};

static void test_curve25519(struct kunit *test)
{
	for (size_t i = 0; i < ARRAY_SIZE(curve25519_test_vectors); ++i) {
		const struct curve25519_test_vector *vec =
			&curve25519_test_vectors[i];
		u8 out[CURVE25519_KEY_SIZE] = {};
		bool ret;

		ret = curve25519(out, vec->private, vec->public);
		KUNIT_EXPECT_EQ_MSG(test, ret, vec->valid,
				    "Wrong return value with test vector %zu",
				    i);
		KUNIT_EXPECT_MEMEQ_MSG(test, out, vec->result, sizeof(out),
				       "Wrong output with test vector %zu", i);
	}
}

static void test_curve25519_basepoint(struct kunit *test)
{
	for (size_t i = 0; i < 5; ++i) {
		u8 in[CURVE25519_KEY_SIZE];
		u8 out[CURVE25519_KEY_SIZE];
		u8 out2[CURVE25519_KEY_SIZE];
		bool ret, ret2;

		get_random_bytes(in, sizeof(in));
		ret = curve25519_generate_public(out, in);
		ret2 = curve25519(out2, in, (u8[CURVE25519_KEY_SIZE]){ 9 });
		KUNIT_EXPECT_EQ_MSG(test, ret, ret2,
				    "in=%*phN", CURVE25519_KEY_SIZE, in);
		KUNIT_EXPECT_MEMEQ_MSG(test, out, out2, CURVE25519_KEY_SIZE,
				       "in=%*phN", CURVE25519_KEY_SIZE, in);
	}
}

static void benchmark_curve25519(struct kunit *test)
{
	const u8 *private = curve25519_test_vectors[0].private;
	const u8 *public = curve25519_test_vectors[0].public;
	const size_t warmup_niter = 5000;
	const size_t benchmark_niter = 1024;
	u8 out[CURVE25519_KEY_SIZE];
	bool ok = true;
	u64 t;

	if (!IS_ENABLED(CONFIG_CRYPTO_LIB_BENCHMARK))
		kunit_skip(test, "not enabled");

	/* Warm-up */
	for (size_t i = 0; i < warmup_niter; i++)
		ok &= curve25519(out, private, public);

	/* Benchmark */
	preempt_disable();
	t = ktime_get_ns();
	for (size_t i = 0; i < benchmark_niter; i++)
		ok &= curve25519(out, private, public);
	t = ktime_get_ns() - t;
	preempt_enable();
	KUNIT_EXPECT_TRUE(test, ok);
	kunit_info(test, "%llu ops/s",
		   div64_u64((u64)benchmark_niter * NSEC_PER_SEC, t ?: 1));
}

static struct kunit_case curve25519_test_cases[] = {
	KUNIT_CASE(test_curve25519),
	KUNIT_CASE(test_curve25519_basepoint),
	KUNIT_CASE(benchmark_curve25519),
	{},
};

static struct kunit_suite curve25519_test_suite = {
	.name = "curve25519",
	.test_cases = curve25519_test_cases,
};
kunit_test_suite(curve25519_test_suite);

MODULE_DESCRIPTION("KUnit tests and benchmark for Curve25519");
MODULE_LICENSE("GPL");