diff options
Diffstat (limited to 'src/gcrypt.h.in')
| -rw-r--r-- | src/gcrypt.h.in | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/src/gcrypt.h.in b/src/gcrypt.h.in index 7d2b89db..5d2a7792 100644 --- a/src/gcrypt.h.in +++ b/src/gcrypt.h.in @@ -212,9 +212,11 @@ struct gcry_thread_cbs -/* The data object used to hold a multi precision integer. */ +/* The data objects used to hold multi precision integers. */ struct gcry_mpi; typedef struct gcry_mpi *gcry_mpi_t; +struct gcry_mpi_point; +typedef struct gcry_mpi_point *gcry_mpi_point_t; #ifndef GCRYPT_NO_DEPRECATED typedef struct gcry_mpi *GCRY_MPI _GCRY_GCC_ATTR_DEPRECATED; @@ -572,6 +574,31 @@ int gcry_mpi_gcd (gcry_mpi_t g, gcry_mpi_t a, gcry_mpi_t b); Return true if the value exists. */ int gcry_mpi_invm (gcry_mpi_t x, gcry_mpi_t a, gcry_mpi_t m); +/* Create a new point object. NBITS is usually 0. */ +gcry_mpi_point_t gcry_mpi_point_new (unsigned int nbits); + +/* Release the object POINT. POINT may be NULL. */ +void gcry_mpi_point_release (gcry_mpi_point_t point); + +/* Store the projective coordinates from POINT into X, Y, and Z. */ +void gcry_mpi_point_get (gcry_mpi_t x, gcry_mpi_t y, gcry_mpi_t z, + gcry_mpi_point_t point); + +/* Store the projective coordinates from POINT into X, Y, and Z and + release POINT. */ +void gcry_mpi_point_snatch_get (gcry_mpi_t x, gcry_mpi_t y, gcry_mpi_t z, + gcry_mpi_point_t point); + +/* Store the projective coordinates X, Y, and Z into POINT. */ +gcry_mpi_point_t gcry_mpi_point_set (gcry_mpi_point_t point, + gcry_mpi_t x, gcry_mpi_t y, gcry_mpi_t z); + +/* Store the projective coordinates X, Y, and Z into POINT and release + X, Y, and Z. */ +gcry_mpi_point_t gcry_mpi_point_snatch_set (gcry_mpi_point_t point, + gcry_mpi_t x, gcry_mpi_t y, + gcry_mpi_t z); + /* Return the number of bits required to represent A. */ unsigned int gcry_mpi_get_nbits (gcry_mpi_t a); @@ -656,6 +683,19 @@ int gcry_mpi_get_flag (gcry_mpi_t a, enum gcry_mpi_flag flag); #define mpi_gcd(g,a,b) gcry_mpi_gcd ( (g), (a), (b) ) #define mpi_invm(g,a,b) gcry_mpi_invm ( (g), (a), (b) ) +#define mpi_point_new(n) gcry_mpi_point_new((n)) +#define mpi_point_release(p) \ + do \ + { \ + gcry_mpi_point_release ((p)); \ + (p) = NULL; \ + } \ + while (0) +#define mpi_point_get(x,y,z,p) gcry_mpi_point_get((x),(y),(z),(p)) +#define mpi_point_snatch_get(x,y,z,p) gcry_mpi_point_snatch_get((x),(y),(z),(p)) +#define mpi_point_set(p,x,y,z) gcry_mpi_point_set((p),(x),(y),(z)) +#define mpi_point_snatch_set(p,x,y,z) gcry_mpi_point_snatch_set((p),(x),(y),(z)) + #define mpi_get_nbits(a) gcry_mpi_get_nbits ((a)) #define mpi_test_bit(a,b) gcry_mpi_test_bit ((a),(b)) #define mpi_set_bit(a,b) gcry_mpi_set_bit ((a),(b)) |