Add invalid key tests for curve SECP224K1
This curve has special arithmetic on 64 bit platforms and an untested
path lead to trying to free a buffer on the stack.
For the sake of completeness, a test case for a point with non-affine
coordinates has been added as well.
diff --git a/tests/suites/test_suite_ecp.data b/tests/suites/test_suite_ecp.data
index a5dc528..1a6c241 100644
--- a/tests/suites/test_suite_ecp.data
+++ b/tests/suites/test_suite_ecp.data
@@ -161,11 +161,19 @@
ECP check pubkey Montgomery #1 (too big)
depends_on:POLARSSL_ECP_DP_M255_ENABLED
-ecp_check_pub_mx:POLARSSL_ECP_DP_M255:"010000000000000000000000000000000000000000000000000000000000000000":POLARSSL_ERR_ECP_INVALID_KEY
+ecp_check_pub:POLARSSL_ECP_DP_M255:"010000000000000000000000000000000000000000000000000000000000000000":"0":"1":POLARSSL_ERR_ECP_INVALID_KEY
ECP check pubkey Montgomery #2 (biggest)
depends_on:POLARSSL_ECP_DP_M255_ENABLED
-ecp_check_pub_mx:POLARSSL_ECP_DP_M255:"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF":0
+ecp_check_pub:POLARSSL_ECP_DP_M255:"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF":"0":"1":0
+
+ECP check pubkey Koblitz #1 (point not on curve)
+depends_on:POLARSSL_ECP_DP_SECP224K1_ENABLED
+ecp_check_pub:POLARSSL_ECP_DP_SECP224K1:"E2000000000000BB3A13D43B323337383935321F0603551D":"100101FF040830060101FF02010A30220603551D0E041B04636FC0C0":"1":POLARSSL_ERR_ECP_INVALID_KEY
+
+ECP check pubkey Koblitz #2 (coordinate not affine)
+depends_on:POLARSSL_ECP_DP_SECP224K1_ENABLED
+ecp_check_pub:POLARSSL_ECP_DP_SECP224K1:"E2000000000000BB3A13D43B323337383935321F0603551D":"100101FF040830060101FF02010A30220603551D0E041B04636FC0C0":"101":POLARSSL_ERR_ECP_INVALID_KEY
ECP write binary #0 (zero, bad format)
depends_on:POLARSSL_ECP_DP_SECP192R1_ENABLED