diff options
Diffstat (limited to 'src/mpi.h')
| -rw-r--r-- | src/mpi.h | 11 |
1 files changed, 8 insertions, 3 deletions
@@ -69,7 +69,8 @@ struct gcry_mpi int sign; /* Indicates a negative number and is also used for opaque MPIs to store the length. */ unsigned int flags; /* Bit 0: Array to be allocated in secure memory space.*/ - /* Bit 2: the limb is a pointer to some m_alloced data.*/ + /* Bit 2: The limb is a pointer to some m_alloced data.*/ + /* Bit 4: Const MPI - the MPI may not be modified. */ mpi_limb_t *d; /* Array with the limbs */ }; @@ -104,8 +105,12 @@ struct gcry_mpi gcry_mpi_t _gcry_mpi_copy( gcry_mpi_t a ); #endif -#define mpi_is_opaque(a) ((a) && ((a)->flags&4)) -#define mpi_is_secure(a) ((a) && ((a)->flags&1)) +void _gcry_mpi_immutable_failed (void); +#define mpi_immutable_failed() _gcry_mpi_immutable_failed () + +#define mpi_is_immutable(a) ((a) && ((a)->flags&16)) +#define mpi_is_opaque(a) ((a) && ((a)->flags&4)) +#define mpi_is_secure(a) ((a) && ((a)->flags&1)) #define mpi_clear(a) _gcry_mpi_clear ((a)) #define mpi_alloc_like(a) _gcry_mpi_alloc_like((a)) #define mpi_snatch(a,b) _gcry_mpi_snatch ((a),(b)) |