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Since the group is unloaded for all curves, it is better to initialize the group also for all curves.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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Pol Henarejos 2022-05-06 18:43:58 +02:00
parent f72803d6f9
commit b101cb6111
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1 changed files with 2 additions and 1 deletions
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library/ecp_curves.c
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@ -4712,7 +4712,6 @@ static int ecp_use_curve448( mbedtls_ecp_group *grp )
mbedtls_mpi_free( &grp->G.Y ); mbedtls_mpi_free( &grp->G.Y );
/* N = 2^446 - 13818066809895115352007386748515426880336692474882178609894547503885 */ /* N = 2^446 - 13818066809895115352007386748515426880336692474882178609894547503885 */
MBEDTLS_MPI_CHK( mbedtls_mpi_lset( &grp->N, 0 ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( &grp->N, 446, 1 ) ); MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( &grp->N, 446, 1 ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary( &Ns, MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary( &Ns,
curve448_part_of_n, sizeof( curve448_part_of_n ) ) ); curve448_part_of_n, sizeof( curve448_part_of_n ) ) );
@ -4738,6 +4737,8 @@ int mbedtls_ecp_group_load( mbedtls_ecp_group *grp, mbedtls_ecp_group_id id )
ECP_VALIDATE_RET( grp != NULL ); ECP_VALIDATE_RET( grp != NULL );
mbedtls_ecp_group_free( grp ); mbedtls_ecp_group_free( grp );
mbedtls_ecp_group_init( grp );
grp->id = id; grp->id = id;
switch( id ) switch( id )