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Add invalid key tests for curve SECP224K1

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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.
This commit is contained in:
Janos Follath 2017-01-27 15:51:14 +00:00 • committed by Simon Butcher
parent d02dc14c94
commit 28fff14113
2 changed files with 14 additions and 5 deletions
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7
tests/suites/test_suite_ecp.function
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@ -29,7 +29,7 @@ void mbedtls_ecp_curve_info( int id, int tls_id, int size, char *name )
/* END_CASE */
/* BEGIN_CASE */
void ecp_check_pub_mx( int grp_id, char *key_hex, int ret )
void ecp_check_pub( int grp_id, char *x_hex, char *y_hex, char *z_hex, int ret )
{
mbedtls_ecp_group grp;
mbedtls_ecp_point P;
@ -39,8 +39,9 @@ void ecp_check_pub_mx( int grp_id, char *key_hex, int ret )
TEST_ASSERT( mbedtls_ecp_group_load( &grp, grp_id ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &P.X, 16, key_hex ) == 0 );
TEST_ASSERT( mbedtls_mpi_lset( &P.Z, 1 ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &P.X, 16, x_hex ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &P.Y, 16, y_hex ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &P.Z, 16, z_hex ) == 0 );
TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &P ) == ret );