ecp.py: Added tests for `mbedtls_ecp_mod_p255_raw`
This patch introduces the `EcpP255Raw` test class for testing
the curve using the preestablished `ecp_mod_p_generic_raw()`
test. The test's logic has been updated accordingly.
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
diff --git a/scripts/mbedtls_dev/ecp.py b/scripts/mbedtls_dev/ecp.py
index c9fb5e5..9d88281 100644
--- a/scripts/mbedtls_dev/ecp.py
+++ b/scripts/mbedtls_dev/ecp.py
@@ -711,6 +711,88 @@
return ["MBEDTLS_ECP_DP_SECP256K1"] + args
+class EcpP255Raw(bignum_common.ModOperationCommon,
+ EcpTarget):
+ """Test cases for ECP 25519 fast reduction."""
+ symbol = "-"
+ test_function = "ecp_mod_p_generic_raw"
+ test_name = "mbedtls_ecp_mod_p255_raw"
+ input_style = "fixed"
+ arity = 1
+ dependencies = ["MBEDTLS_ECP_DP_CURVE25519_ENABLED"]
+
+ moduli = [("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffed")] # type: List[str]
+
+ input_values = [
+ "0", "1",
+
+ # Modulus - 1
+ ("7fffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+ "ffffffec"),
+
+ # Modulus + 1
+ ("7fffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+ "ffffffee"),
+
+ # 2^255 - 1
+ ("7fffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+ "ffffffff"),
+
+ # Maximum canonical P255 multiplication result
+ ("3fffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+ "ffffffec000000000000000000000000000000000000000000000000"
+ "0000000000000190"),
+
+ # First 8 number generated by random.getrandbits(510) - seed(2,2)
+ ("1019f0d64ee207f8da94e3e8ab73738fcf1822ffbc6887782b491044d5"
+ "e341245c6e433715ba2bdd177219d30e7a269fd95bafc8f2a4d27bdcf4"
+ "bb99f4bea973"),
+ ("20948fa1feac7eb7dc38f519b91751dacdbd47d364be8049a372db8f6e"
+ "405d93ffed9235288bc781ae66267594c9c9500925e4749b575bd13653"
+ "f8dd9b1f282e"),
+ ("3a1893ea5186ee32ee8d7ee9770348a05d300cb90706a045defc044a09"
+ "325626e6b58de744ab6cce80877b6f71e1f6d2ef8acd128b4f2fc15f3f"
+ "57ebf30b94fa"),
+ ("20a6923522fe99a22c70501e533c91352d3d854e061b90303b08c6e33c"
+ "7295782d6c797f8f7d9b782a1be9cd8697bbd0e2520e33e44c50556c71"
+ "c4a66148a86f"),
+ ("3a248138e8168561867e5e15bc01bfce6a27e0dfcbf8754472154e76e4"
+ "c11ab2fec3f6b32e8d4b8a8f54f8ceacaab39e83844b40ffa9b9f15c14"
+ "bc4a829e07b0"),
+ ("2f450feab714210c665d7435c1066932f4767f26294365b2721dea3bf6"
+ "3f23d0dbe53fcafb2147df5ca495fa5a91c89b97eeab64ca2ce6bc5d3f"
+ "d983c34c769f"),
+ ("1d199effe202849da9643a295a9ac6decbd4d3e2d4dec9ef83f0be4e80"
+ "371eb97f81375eecc1cb6347733e847d718d733ff98ff387c56473a7a8"
+ "3ee0761ebfd2"),
+ ("3423c6ec531d6460f0caeef038c89b38a8acb5137c9260dc74e088a9b9"
+ "492f258ebdbfe3eb9ac688b9d39cca91551e8259cc60b17604e4b4e736"
+ "95c3e652c71a"),
+
+ # Next 2 number generated by random.getrandbits(255)
+ ("62f1243644a4a8f69dc8db48e86ec9c6e06f291b2a838af8d5c44a4eb3"
+ "172062"),
+ ("6a606e54b4c9e755cc9c3adcf515a8234da4daeb4f3f87777ad1f45ae9"
+ "500ec9"),
+ ]
+
+ @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
+
+ def arguments(self):
+ args = super().arguments()
+ return ["MBEDTLS_ECP_DP_CURVE25519"] + args
+
+
class EcpP448Raw(bignum_common.ModOperationCommon,
EcpTarget):
"""Test cases for ECP P448 fast reduction."""