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Merge pull request #7565 from gabor-mezei-arm/7263_split_out_Koblitz_raw_functions

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[Bignum] Split out _raw Koblitz reduction functions
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Paul Elliott 2023-05-22 16:03:17 +01:00 • committed by GitHub
commit 26070670d6
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 142 additions and 160 deletions
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36
scripts/mbedtls_dev/ecp.py
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@ -494,8 +494,8 @@ class EcpP192K1Raw(bignum_common.ModOperationCommon,
EcpTarget):
"""Test cases for ECP P192K1 fast reduction."""
symbol = "-"
test_function = "ecp_mod_p192k1"
test_name = "ecp_mod_p192k1"
test_function = "ecp_mod_p_generic_raw"
test_name = "ecp_mod_p192k1_raw"
input_style = "fixed"
arity = 1
dependencies = ["MBEDTLS_ECP_DP_SECP192K1_ENABLED"]
@ -557,13 +557,17 @@ class EcpP192K1Raw(bignum_common.ModOperationCommon,
def is_valid(self) -> bool:
return True
def arguments(self):
args = super().arguments()
return ["MBEDTLS_ECP_DP_SECP192K1"] + args
class EcpP224K1Raw(bignum_common.ModOperationCommon,
EcpTarget):
"""Test cases for ECP P224 fast reduction."""
symbol = "-"
test_function = "ecp_mod_p224k1"
test_name = "ecp_mod_p224k1"
test_function = "ecp_mod_p_generic_raw"
test_name = "ecp_mod_p224k1_raw"
input_style = "fixed"
arity = 1
dependencies = ["MBEDTLS_ECP_DP_SECP224K1_ENABLED"]
@ -582,7 +586,7 @@ class EcpP224K1Raw(bignum_common.ModOperationCommon,
# 2^224 - 1
"ffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
# Maximum canonical P224 multiplication result
# Maximum canonical P224K1 multiplication result
("fffffffffffffffffffffffffffffffffffffffffffffffdffffcad8"
"00000000000000000000000000000000000000010000352802c26590"),
@ -626,13 +630,17 @@ class EcpP224K1Raw(bignum_common.ModOperationCommon,
def is_valid(self) -> bool:
return True
def arguments(self):
args = super().arguments()
return ["MBEDTLS_ECP_DP_SECP224K1"] + args
class EcpP256K1Raw(bignum_common.ModOperationCommon,
EcpTarget):
"""Test cases for ECP P256 fast reduction."""
symbol = "-"
test_function = "ecp_mod_p256k1"
test_name = "ecp_mod_p256k1"
test_function = "ecp_mod_p_generic_raw"
test_name = "ecp_mod_p256k1_raw"
input_style = "fixed"
arity = 1
dependencies = ["MBEDTLS_ECP_DP_SECP256K1_ENABLED"]
@ -651,9 +659,13 @@ class EcpP256K1Raw(bignum_common.ModOperationCommon,
# 2^256 - 1
"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
# Maximum canonical P256 multiplication result
("fffffffffffffffffffffffffffffffffffffffffffffffffffffffdfffff85c0"
"00000000000000000000000000000000000000000000001000007a4000e9844"),
# Maximum canonical P256K1 multiplication result
("fffffffffffffffffffffffffffffffffffffffffffffffffffffffdfffff85c"
"000000000000000000000000000000000000000000000001000007a4000e9844"),
# Test case for overflow during addition
("0000fffffc2f000e90a0c86a0a63234e5ba641f43a7e4aecc4040e67ec850562"
"00000000000000000000000000000000000000000000000000000000585674fd"),
# Test case for overflow during addition
("0000fffffc2f000e90a0c86a0a63234e5ba641f43a7e4aecc4040e67ec850562"
@ -694,6 +706,10 @@ class EcpP256K1Raw(bignum_common.ModOperationCommon,
def is_valid(self) -> bool:
return True
def arguments(self):
args = super().arguments()
return ["MBEDTLS_ECP_DP_SECP256K1"] + args
class EcpP448Raw(bignum_common.ModOperationCommon,
EcpTarget):