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Extend ec_asn1_test to check for correct curve coefficient encoding

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tb
2024-10-14 13:16:06 +00:00
parent 22b55b0b9c
commit cdd7a87bdf
1 changed files with 50 additions and 5 deletions
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55
regress/lib/libcrypto/ec/ec_asn1_test.c
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@@ -1,6 +1,7 @@
/* $OpenBSD: ec_asn1_test.c,v 1.3 2024/10/12 16:15:28 tb Exp $ */
/* $OpenBSD: ec_asn1_test.c,v 1.4 2024/10/14 13:16:06 tb Exp $ */
/*
* Copyright (c) 2017, 2021 Joel Sing <jsing@openbsd.org>
* Copyright (c) 2024 Theo Buehler <tb@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -62,6 +63,38 @@ const uint8_t ec_secp256r1_pkparameters_parameters[] = {
0x01, 0x01,
};
const uint8_t ec_secp256k1_pkparameters_parameters[] = {
0x30, 0x81, 0xe0, 0x02, 0x01, 0x01, 0x30, 0x2c,
0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x01,
0x01, 0x02, 0x21, 0x00, 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, 0xfe,
0xff, 0xff, 0xfc, 0x2f, 0x30, 0x44, 0x04, 0x20,
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,
0x04, 0x20, 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, 0x07, 0x04, 0x41, 0x04, 0x79, 0xbe, 0x66,
0x7e, 0xf9, 0xdc, 0xbb, 0xac, 0x55, 0xa0, 0x62,
0x95, 0xce, 0x87, 0x0b, 0x07, 0x02, 0x9b, 0xfc,
0xdb, 0x2d, 0xce, 0x28, 0xd9, 0x59, 0xf2, 0x81,
0x5b, 0x16, 0xf8, 0x17, 0x98, 0x48, 0x3a, 0xda,
0x77, 0x26, 0xa3, 0xc4, 0x65, 0x5d, 0xa4, 0xfb,
0xfc, 0x0e, 0x11, 0x08, 0xa8, 0xfd, 0x17, 0xb4,
0x48, 0xa6, 0x85, 0x54, 0x19, 0x9c, 0x47, 0xd0,
0x8f, 0xfb, 0x10, 0xd4, 0xb8, 0x02, 0x21, 0x00,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe,
0xba, 0xae, 0xdc, 0xe6, 0xaf, 0x48, 0xa0, 0x3b,
0xbf, 0xd2, 0x5e, 0x8c, 0xd0, 0x36, 0x41, 0x41,
0x02, 0x01, 0x01,
};
static void
hexdump(const unsigned char *buf, size_t len)
{
@@ -94,7 +127,7 @@ compare_data(const char *label, const unsigned char *d1, size_t d1_len,
}
static int
ec_group_pkparameters_test(const char *label, int asn1_flag,
ec_group_pkparameters_test(const char *label, int nid, int asn1_flag,
const uint8_t *test_data, size_t test_data_len)
{
EC_GROUP *group_a = NULL, *group_b = NULL;
@@ -107,7 +140,7 @@ ec_group_pkparameters_test(const char *label, int asn1_flag,
/*
* Test i2d_ECPKParameters/d2i_ECPKParameters.
*/
if ((group_a = EC_GROUP_new_by_curve_name(NID_X9_62_prime256v1)) == NULL)
if ((group_a = EC_GROUP_new_by_curve_name(nid)) == NULL)
errx(1, "failed to create EC_GROUP");
EC_GROUP_set_asn1_flag(group_a, asn1_flag);
@@ -182,7 +215,8 @@ static int
ec_group_pkparameters_named_curve_test(void)
{
return ec_group_pkparameters_test("ECPKPARAMETERS named curve",
OPENSSL_EC_NAMED_CURVE, ec_secp256r1_pkparameters_named_curve,
NID_X9_62_prime256v1, OPENSSL_EC_NAMED_CURVE,
ec_secp256r1_pkparameters_named_curve,
sizeof(ec_secp256r1_pkparameters_named_curve));
}
@@ -190,10 +224,20 @@ static int
ec_group_pkparameters_parameters_test(void)
{
return ec_group_pkparameters_test("ECPKPARAMETERS parameters",
OPENSSL_EC_EXPLICIT_CURVE, ec_secp256r1_pkparameters_parameters,
NID_X9_62_prime256v1, OPENSSL_EC_EXPLICIT_CURVE,
ec_secp256r1_pkparameters_parameters,
sizeof(ec_secp256r1_pkparameters_parameters));
}
static int
ec_group_pkparameters_correct_padding_test(void)
{
return ec_group_pkparameters_test("ECPKPARAMETERS parameters",
NID_secp256k1, OPENSSL_EC_EXPLICIT_CURVE,
ec_secp256k1_pkparameters_parameters,
sizeof(ec_secp256k1_pkparameters_parameters));
}
static int
ec_group_roundtrip_curve(const EC_GROUP *group, const char *descr, int nid)
{
@@ -302,6 +346,7 @@ main(int argc, char **argv)
failed |= ec_group_pkparameters_named_curve_test();
failed |= ec_group_pkparameters_parameters_test();
failed |= ec_group_pkparameters_correct_padding_test();
failed |= ec_group_roundtrip_builtin_curves();
return (failed);