commit a9a68728b38005cf2fae90242d842d95bf683dad
author Gabor Mezei <gabor.mezei@arm.com> Tue Mar 28 15:06:51 2023 +0200
committer Gabor Mezei <gabor.mezei@arm.com> Tue Mar 28 15:09:35 2023 +0200
tree bfa199f0be599ee8d30b0c1f02fa39efeb3eb584
parent 64a229f6ac2eb096f78c37b94c79162888c0ebf6

Add test cases for P521 fast reduction testing

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>

scripts/mbedtls_dev/ecp.py

diff --git a/scripts/mbedtls_dev/ecp.py b/scripts/mbedtls_dev/ecp.py
index daa669d..8f714c9 100644
--- a/scripts/mbedtls_dev/ecp.py
+++ b/scripts/mbedtls_dev/ecp.py
@@ -351,7 +351,15 @@
     input_values = [
         "0", "1",
 
-        # Corner case: maximum canonical P521 multiplication result
+        # Modulus - 1
+        ("01ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+         "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe"),
+
+        # Modulus + 1
+        ("020000000000000000000000000000000000000000000000000000000000000000"
+         "000000000000000000000000000000000000000000000000000000000000000000"),
+
+        # Maximum canonical P521 multiplication result
         ("0003ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
          "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
          "fffff800"