Implement mbedtls_mpi_mod_sub()
Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
diff --git a/scripts/mbedtls_dev/bignum_mod.py b/scripts/mbedtls_dev/bignum_mod.py
index 81ece07..5f4e362 100644
--- a/scripts/mbedtls_dev/bignum_mod.py
+++ b/scripts/mbedtls_dev/bignum_mod.py
@@ -34,6 +34,25 @@
# BEGIN MERGE SLOT 3
+class BignumModSub(bignum_common.ModOperationCommon, BignumModTarget):
+ """Test cases for bignum mpi_mod_sub()."""
+ symbol = "-"
+ test_function = "mpi_mod_sub"
+ test_name = "mbedtls_mpi_mod_sub"
+ input_style = "fixed"
+ arity = 2
+
+ # To make negative tests easier, append 0 for success to the generated cases
+ def arguments(self) -> List[str]:
+ return [bignum_common.quote_str(n) for n in [self.arg_n,
+ self.arg_a,
+ self.arg_b]
+ ] + self.result() + ["0"]
+
+ def result(self) -> List[str]:
+ result = (self.int_a - self.int_b) % self.int_n
+ return [self.format_result(result)]
+
# END MERGE SLOT 3
# BEGIN MERGE SLOT 4