ecp.py: Set test-dependencies as attributes.

This patch enables declaring dependencie as test-class
members. ECP curve functions have been updated
to use the new capability.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>

scripts/mbedtls_dev/bignum_common.py

@@ -17,6 +17,7 @@
 from abc import abstractmethod
 import enum
 from typing import Iterator, List, Tuple, TypeVar, Any
+from copy import deepcopy
 from itertools import chain
 
 from . import test_case
@@ -104,6 +105,7 @@ class OperationCommon(test_data_generation.BaseTest):
     symbol = ""
     input_values = INPUTS_DEFAULT # type: List[str]
     input_cases = [] # type: List[Any]
+    dependencies = [] # type: List[Any]
     unique_combinations_only = False
     input_styles = ["variable", "fixed", "arch_split"] # type: List[str]
     input_style = "variable" # type: str
@@ -119,10 +121,11 @@ class OperationCommon(test_data_generation.BaseTest):
         # provides earlier/more robust input validation.
         self.int_a = hex_to_int(val_a)
         self.int_b = hex_to_int(val_b)
+        self.dependencies = deepcopy(self.dependencies)
         if bits_in_limb not in self.limb_sizes:
             raise ValueError("Invalid number of bits in limb!")
         if self.input_style == "arch_split":
-            self.dependencies = ["MBEDTLS_HAVE_INT{:d}".format(bits_in_limb)]
+            self.dependencies.append("MBEDTLS_HAVE_INT{:d}".format(bits_in_limb))
         self.bits_in_limb = bits_in_limb
 
     @property

scripts/mbedtls_dev/ecp.py

@@ -34,6 +34,7 @@ class EcpP192R1Raw(bignum_common.ModOperationCommon,
     test_name = "ecp_mod_p192_raw"
     input_style = "fixed"
     arity = 1
+    dependencies = ["MBEDTLS_ECP_DP_SECP192R1_ENABLED"]
 
     moduli = ["fffffffffffffffffffffffffffffffeffffffffffffffff"] # type: List[str]
 
@@ -109,6 +110,7 @@ class EcpP224R1Raw(bignum_common.ModOperationCommon,
     test_name = "ecp_mod_p224_raw"
     input_style = "arch_split"
     arity = 1
+    dependencies = ["MBEDTLS_ECP_DP_SECP224R1_ENABLED"]
 
     moduli = ["ffffffffffffffffffffffffffffffff000000000000000000000001"] # type: List[str]
 
@@ -185,6 +187,7 @@ class EcpP256R1Raw(bignum_common.ModOperationCommon,
     test_name = "ecp_mod_p256_raw"
     input_style = "fixed"
     arity = 1
+    dependencies = ["MBEDTLS_ECP_DP_SECP256R1_ENABLED"]
 
     moduli = ["ffffffff00000001000000000000000000000000ffffffffffffffffffffffff"] # type: List[str]
 
@@ -267,6 +270,7 @@ class EcpP384R1Raw(bignum_common.ModOperationCommon,
     test_name = "ecp_mod_p384_raw"
     input_style = "fixed"
     arity = 1
+    dependencies = ["MBEDTLS_ECP_DP_SECP384R1_ENABLED"]
 
     moduli = [("ffffffffffffffffffffffffffffffffffffffffffffffff"
                "fffffffffffffffeffffffff0000000000000000ffffffff")
@@ -388,6 +392,7 @@ class EcpP521R1Raw(bignum_common.ModOperationCommon,
     test_name = "ecp_mod_p521_raw"
     input_style = "arch_split"
     arity = 1
+    dependencies = ["MBEDTLS_ECP_DP_SECP521R1_ENABLED"]
 
     moduli = [("01ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
                "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")