ec: additional P521 tests from generate_tests.cc

Author: vkrasnov

src/ec/suite_b/ops.rs

@@ -505,6 +505,11 @@ mod tests {
         q_minus_n_plus_n_equals_0_test(&p384::PUBLIC_SCALAR_OPS);
     }
 
+    #[test]
+    fn p521_q_minus_n_plus_n_equals_0_test() {
+        q_minus_n_plus_n_equals_0_test(&p521::PUBLIC_SCALAR_OPS);
+    }
+
     #[test]
     fn p256_elem_add_test() {
         elem_add_test(
@@ -521,6 +526,15 @@ mod tests {
         );
     }
 
+    #[cfg(target_pointer_width = "64")]
+    #[test]
+    fn p521_elem_add_test() {
+        elem_add_test(
+            &p521::PUBLIC_SCALAR_OPS,
+            test_file!("ops/p521_elem_sum_tests.txt"),
+        );
+    }
+
     fn elem_add_test(ops: &PublicScalarOps, test_file: test::File) {
         test::run(test_file, |section, test_case| {
             assert_eq!(section, "");
@@ -557,6 +571,19 @@ mod tests {
         );
     }
 
+    #[cfg(target_pointer_width = "64")]
+    #[test]
+    fn p521_elem_sub_test() {
+        prefixed_extern! {
+            fn p521_elem_sub(r: *mut Limb, a: *const Limb, b: *const Limb);
+        }
+        elem_sub_test(
+            &p521::COMMON_OPS,
+            p521_elem_sub,
+            test_file!("ops/p521_elem_sum_tests.txt"),
+        );
+    }
+
     fn elem_sub_test(
         ops: &CommonOps,
         elem_sub: unsafe extern "C" fn(r: *mut Limb, a: *const Limb, b: *const Limb),
@@ -608,6 +635,19 @@ mod tests {
         );
     }
 
+    #[cfg(target_pointer_width = "64")]
+    #[test]
+    fn p521_elem_div_by_2_test() {
+        prefixed_extern! {
+            fn p521_elem_div_by_2(r: *mut Limb, a: *const Limb);
+        }
+        elem_div_by_2_test(
+            &p521::COMMON_OPS,
+            p521_elem_div_by_2,
+            test_file!("ops/p521_elem_div_by_2_tests.txt"),
+        );
+    }
+
     fn elem_div_by_2_test(
         ops: &CommonOps,
         elem_div_by_2: unsafe extern "C" fn(r: *mut Limb, a: *const Limb),
@@ -655,6 +695,19 @@ mod tests {
         );
     }
 
+    #[cfg(target_pointer_width = "64")]
+    #[test]
+    fn p521_elem_neg_test() {
+        prefixed_extern! {
+            fn p521_elem_neg(r: *mut Limb, a: *const Limb);
+        }
+        elem_neg_test(
+            &p521::COMMON_OPS,
+            p521_elem_neg,
+            test_file!("ops/p521_elem_neg_tests.txt"),
+        );
+    }
+
     fn elem_neg_test(
         ops: &CommonOps,
         elem_neg: unsafe extern "C" fn(r: *mut Limb, a: *const Limb),
@@ -698,6 +751,12 @@ mod tests {
         elem_mul_test(&p384::COMMON_OPS, test_file!("ops/p384_elem_mul_tests.txt"));
     }
 
+    #[cfg(target_pointer_width = "64")]
+    #[test]
+    fn p521_elem_mul_test() {
+        elem_mul_test(&p521::COMMON_OPS, test_file!("ops/p521_elem_mul_tests.txt"));
+    }
+
     fn elem_mul_test(ops: &CommonOps, test_file: test::File) {
         test::run(test_file, |section, test_case| {
             assert_eq!(section, "");
@@ -728,6 +787,15 @@ mod tests {
         );
     }
 
+    #[cfg(target_pointer_width = "64")]
+    #[test]
+    fn p521_scalar_mul_test() {
+        scalar_mul_test(
+            &p521::SCALAR_OPS,
+            test_file!("ops/p521_scalar_mul_tests.txt"),
+        );
+    }
+
     fn scalar_mul_test(ops: &ScalarOps, test_file: test::File) {
         test::run(test_file, |section, test_case| {
             assert_eq!(section, "");
@@ -801,6 +869,12 @@ mod tests {
         let _ = p384::PRIVATE_SCALAR_OPS.scalar_inv_to_mont(&ZERO_SCALAR);
     }
 
+    #[test]
+    #[should_panic(expected = "!self.scalar_ops.common.is_zero(a)")]
+    fn p521_scalar_inv_to_mont_zero_panic_test() {
+        let _ = p521::PRIVATE_SCALAR_OPS.scalar_inv_to_mont(&ZERO_SCALAR);
+    }
+
     #[test]
     fn p256_point_sum_test() {
         point_sum_test(
@@ -817,6 +891,15 @@ mod tests {
         );
     }
 
+    #[cfg(target_pointer_width = "64")]
+    #[test]
+    fn p521_point_sum_test() {
+        point_sum_test(
+            &p521::PRIVATE_KEY_OPS,
+            test_file!("ops/p521_point_sum_tests.txt"),
+        );
+    }
+
     fn point_sum_test(ops: &PrivateKeyOps, test_file: test::File) {
         test::run(test_file, |section, test_case| {
             assert_eq!(section, "");
@@ -907,6 +990,23 @@ mod tests {
         );
     }
 
+
+    #[cfg(target_pointer_width = "64")]
+    #[test]
+    fn p521_point_double_test() {
+        prefixed_extern! {
+            fn p521_point_double(
+                r: *mut Limb,
+                a: *const Limb,
+            );
+        }
+        point_double_test(
+            &p521::PRIVATE_KEY_OPS,
+            p521_point_double,
+            test_file!("ops/p521_point_double_tests.txt"),
+        );
+    }
+
     fn point_double_test(
         ops: &PrivateKeyOps,
         point_double: unsafe extern "C" fn(

src/ec/suite_b/ops/p521_elem_div_by_2_tests.txt

@@ -0,0 +1,27 @@
+
+a = 00
+r = 00
+
+a = 00
+r = 00
+
+a = 01
+r = 010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+
+a = 02
+r = 01
+
+a = 03
+r = 010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001
+
+a = 01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe
+r = ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+
+a = ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+r = 017fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+
+a = 010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+r = 8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+
+a = 010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+r = 8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

src/ec/suite_b/ops/p521_elem_mul_tests.txt

@@ -0,0 +1,32 @@
+
+a = 00
+b = 00
+r = 00
+
+a = 00
+b = 01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe
+r = 00
+
+a = 01
+b = 01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe
+r = 01fffffffffffffbffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+
+a = 02
+b = 01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe
+r = 01fffffffffffff7ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+
+a = 03
+b = 01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe
+r = 01fffffffffffff3ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+
+a = ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+b = 02
+r = 01fffffffffffffbffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+
+a = 010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+b = 02
+r = 0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+
+a = 010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+b = 02
+r = 0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

src/ec/suite_b/ops/p521_elem_neg_tests.txt

@@ -0,0 +1,24 @@
+
+a = 00
+b = 00
+
+a = 01
+b = 01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe
+
+a = 02
+b = 01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd
+
+a = 03
+b = 01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc
+
+a = 01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe
+b = 01
+
+a = ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+b = 010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+
+a = 010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+b = ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+
+a = 010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+b = ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff