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Add tests for (and fix bug in) ecp_tls_write_group

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This commit is contained in:
Manuel Pégourié-Gonnard 2013-02-10 12:51:17 +01:00
parent 420f1eb675
commit 46106a9d75
3 changed files with 48 additions and 12 deletions
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4
library/ecp.c
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@ -69,6 +69,8 @@ void ecp_group_init( ecp_group *grp )
if( grp == NULL )
return;
grp->id = 0;
mpi_init( &grp->P );
mpi_init( &grp->B );
ecp_point_init( &grp->G );
@ -632,7 +634,7 @@ int ecp_tls_write_group( const ecp_group *grp, size_t *olen,
* Next two bytes are the namedcurve value
*/
buf[0] = grp->id >> 8;
buf[1] = grp->id && 0xFF;
buf[1] = grp->id & 0xFF;
return 0;
}

26
tests/suites/test_suite_ecp.data
View file

@ -187,20 +187,26 @@ ecp_tls_write_read_point:SECP192R1
ECP tls write-read point #2
ecp_tls_write_read_point:SECP521R1
ECP read params #1 (record too short)
ecp_read_params:"0313":POLARSSL_ERR_ECP_BAD_INPUT_DATA:0
ECP tls read group #1 (record too short)
ecp_tls_read_group:"0313":POLARSSL_ERR_ECP_BAD_INPUT_DATA:0
ECP read params #2 (bad curve_type)
ecp_read_params:"010013":POLARSSL_ERR_ECP_BAD_INPUT_DATA:0
ECP tls read group #2 (bad curve_type)
ecp_tls_read_group:"010013":POLARSSL_ERR_ECP_BAD_INPUT_DATA:0
ECP read params #3 (unknown curve)
ecp_read_params:"030010":POLARSSL_ERR_ECP_BAD_INPUT_DATA:0
ECP tls read group #3 (unknown curve)
ecp_tls_read_group:"030010":POLARSSL_ERR_ECP_BAD_INPUT_DATA:0
ECP read params #4 (OK, buffer just fits)
ecp_read_params:"030017":0:256
ECP tls read group #4 (OK, buffer just fits)
ecp_tls_read_group:"030017":0:256
ECP read params #5 (OK, buffer continues)
ecp_read_params:"030018DEAD":0:384
ECP tls read group #5 (OK, buffer continues)
ecp_tls_read_group:"030018DEAD":0:384
ECP tls write-read group #1
ecp_tls_write_read_group:SECP192R1
ECP tls write-read group #2
ecp_tls_write_read_group:SECP521R1
ECP gen keypair
ecp_gen_keypair:SECP192R1

30
tests/suites/test_suite_ecp.function
View file

@ -337,7 +337,7 @@ ecp_tls_write_read_point:id
END_CASE
BEGIN_CASE
ecp_read_params:record:ret:bits
ecp_tls_read_group:record:ret:bits
{
ecp_group grp;
unsigned char buf[10];
@ -358,6 +358,34 @@ ecp_read_params:record:ret:bits
}
END_CASE
BEGIN_CASE
ecp_tls_write_read_group:id
{
ecp_group grp1, grp2;
unsigned char buf[10];
size_t len;
int ret;
ecp_group_init( &grp1 );
ecp_group_init( &grp2 );
memset( buf, 0x00, sizeof( buf ) );
TEST_ASSERT( ecp_use_known_dp( &grp1, POLARSSL_ECP_DP_{id} ) == 0 );
TEST_ASSERT( ecp_tls_write_group( &grp1, &len, buf, 10 ) == 0 );
TEST_ASSERT( ( ret = ecp_tls_read_group( &grp2, buf, len ) ) == 0 );
if( ret == 0 )
{
TEST_ASSERT( mpi_cmp_mpi( &grp1.N, &grp2.N ) == 0 );
TEST_ASSERT( grp1.id == grp2.id );
}
ecp_group_free( &grp1 );
ecp_group_free( &grp2 );
}
END_CASE
BEGIN_CASE
ecp_gen_keypair:id
{