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| author | Werner Koch <wk@gnupg.org> | 2013-09-06 19:58:50 +0200 |
|---|---|---|
| committer | Werner Koch <wk@gnupg.org> | 2013-09-07 10:16:45 +0200 |
| commit | 1bd2c67aa55b40589654d3fa5dea05cf1ed7dc5f (patch) | |
| tree | b9d3fdf529b9696b9f23707bf5fee958269628f5 /src/mpi.h | |
| parent | 4e4440153258e2f0dfdcaa8443820af06984ecb1 (diff) | |
| download | libgcrypt-1bd2c67aa55b40589654d3fa5dea05cf1ed7dc5f.tar.gz | |
mpi: Add functions to manipulate the sign.
* src/gcrypt.h.in (gcry_mpi_is_neg): New.
(gcry_mpi_neg, gcry_mpi_abs): New.
* mpi/mpiutil.c (_gcry_mpi_is_neg): New.
(_gcry_mpi_neg, _gcry_mpi_abs): New.
* src/visibility.c, src/visibility.h: Add wrappers.
* src/libgcrypt.def, src/libgcrypt.vers: Export them.
* src/mpi.h (mpi_is_neg): New. Rename old macro to mpi_has_sign.
* mpi/mpi-mod.c (_gcry_mpi_mod_barrett): Use mpi_has_sign.
* mpi/mpi-mpow.c (calc_barrett): Ditto.
* cipher/primegen.c (_gcry_derive_x931_prime): Ditto
* cipher/rsa.c (secret): Ditto.
Diffstat (limited to 'src/mpi.h')
| -rw-r--r-- | src/mpi.h | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -78,7 +78,7 @@ struct gcry_mpi #define MPI_NULL NULL #define mpi_get_nlimbs(a) ((a)->nlimbs) -#define mpi_is_neg(a) ((a)->sign) +#define mpi_has_sign(a) ((a)->sign) /*-- mpiutil.c --*/ @@ -134,6 +134,9 @@ void _gcry_mpi_m_check( gcry_mpi_t a ); void _gcry_mpi_swap( gcry_mpi_t a, gcry_mpi_t b); gcry_mpi_t _gcry_mpi_new (unsigned int nbits); gcry_mpi_t _gcry_mpi_snew (unsigned int nbits); +int _gcry_mpi_is_neg (gcry_mpi_t a); +void _gcry_mpi_neg (gcry_mpi_t w, gcry_mpi_t u); +void _gcry_mpi_abs (gcry_mpi_t w); /* Constants used to return constant MPIs. See _gcry_mpi_init if you want to add more constants. */ |