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Add generated tests for ecp_mod_p192k1

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Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
This commit is contained in:
Gabor Mezei 2023-04-11 15:43:12 +02:00
parent 83669d910e
commit b86ead3cb2
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GPG key ID: F072ACA227ACD71D
2 changed files with 105 additions and 0 deletions
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63
scripts/mbedtls_dev/ecp.py
View file

@ -488,3 +488,66 @@ class EcpP521R1Raw(bignum_common.ModOperationCommon,
def arguments(self):
args = super().arguments()
return ["MBEDTLS_ECP_DP_SECP521R1"] + args
class EcpP192K1Raw(bignum_common.ModOperationCommon,
EcpTarget):
"""Test cases for ECP P192K1 fast reduction."""
symbol = "-"
test_function = "ecp_mod_p192k1"
test_name = "ecp_mod_p192k1"
input_style = "fixed"
arity = 1
moduli = ["fffffffffffffffffffffffffffffffffffffffeffffee37"] # type: List[str]
input_values = [
"0", "1",
# Modulus - 1
"fffffffffffffffffffffffffffffffffffffffeffffee36",
# Modulus + 1
"fffffffffffffffffffffffffffffffffffffffeffffee38",
# 2^192 - 1
"ffffffffffffffffffffffffffffffffffffffffffffffff",
# Maximum canonical P192K1 multiplication result
("fffffffffffffffffffffffffffffffffffffffdffffdc6c"
"0000000000000000000000000000000100002394013c7364"),
# First 8 number generated by random.getrandbits(384) - seed(2,2)
("cf1822ffbc6887782b491044d5e341245c6e433715ba2bdd"
"177219d30e7a269fd95bafc8f2a4d27bdcf4bb99f4bea973"),
("ffed9235288bc781ae66267594c9c9500925e4749b575bd1"
"3653f8dd9b1f282e4067c3584ee207f8da94e3e8ab73738f"),
("ef8acd128b4f2fc15f3f57ebf30b94fa82523e86feac7eb7"
"dc38f519b91751dacdbd47d364be8049a372db8f6e405d93"),
("e8624fab5186ee32ee8d7ee9770348a05d300cb90706a045"
"defc044a09325626e6b58de744ab6cce80877b6f71e1f6d2"),
("2d3d854e061b90303b08c6e33c7295782d6c797f8f7d9b78"
"2a1be9cd8697bbd0e2520e33e44c50556c71c4a66148a86f"),
("fec3f6b32e8d4b8a8f54f8ceacaab39e83844b40ffa9b9f1"
"5c14bc4a829e07b0829a48d422fe99a22c70501e533c9135"),
("97eeab64ca2ce6bc5d3fd983c34c769fe89204e2e8168561"
"867e5e15bc01bfce6a27e0dfcbf8754472154e76e4c11ab2"),
("bd143fa9b714210c665d7435c1066932f4767f26294365b2"
"721dea3bf63f23d0dbe53fcafb2147df5ca495fa5a91c89b"),
# Next 2 number generated by random.getrandbits(192)
"47733e847d718d733ff98ff387c56473a7a83ee0761ebfd2",
"cbd4d3e2d4dec9ef83f0be4e80371eb97f81375eecc1cb63"
]
@property
def arg_a(self) -> str:
return super().format_arg('{:x}'.format(self.int_a)).zfill(2 * self.hex_digits)
def result(self) -> List[str]:
result = self.int_a % self.int_n
return [self.format_result(result)]
@property
def is_valid(self) -> bool:
return True

42
tests/suites/test_suite_ecp.function
View file

@ -1355,6 +1355,48 @@ exit:
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_TEST_HOOKS:MBEDTLS_ECP_DP_SECP192K1_ENABLED */
void ecp_mod_p192k1(char *input_N,
char *input_X,
char *result)
{
mbedtls_mpi X;
mbedtls_mpi N;
mbedtls_mpi res;
size_t limbs_X;
size_t limbs_N;
size_t limbs_res;
mbedtls_mpi_init(&X);
mbedtls_mpi_init(&N);
mbedtls_mpi_init(&res);
TEST_EQUAL(mbedtls_test_read_mpi(&X, input_X), 0);
TEST_EQUAL(mbedtls_test_read_mpi(&N, input_N), 0);
TEST_EQUAL(mbedtls_test_read_mpi(&res, result), 0);
limbs_X = X.n;
limbs_N = N.n;
limbs_res = res.n;
size_t limbs = limbs_N;
size_t bytes = limbs * sizeof(mbedtls_mpi_uint);
TEST_EQUAL(limbs_X, 2 * limbs);
TEST_EQUAL(limbs_res, limbs);
TEST_EQUAL(mbedtls_ecp_mod_p192k1(&X), 0);
TEST_EQUAL(mbedtls_mpi_mod_mpi(&X, &X, &N), 0);
TEST_LE_U(mbedtls_mpi_core_bitlen(X.p, limbs_X), 192);
ASSERT_COMPARE(X.p, bytes, res.p, bytes);
exit:
mbedtls_mpi_free(&X);
mbedtls_mpi_free(&N);
mbedtls_mpi_free(&res);
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_TEST_HOOKS */
void ecp_mod_setup(char *input_A, int id, int ctype, int iret)
{