diff options
Diffstat (limited to 'moon-abe/pbc-0.5.14/include/pbc_a_param.h')
| -rw-r--r-- | moon-abe/pbc-0.5.14/include/pbc_a_param.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/moon-abe/pbc-0.5.14/include/pbc_a_param.h b/moon-abe/pbc-0.5.14/include/pbc_a_param.h new file mode 100644 index 00000000..64d70468 --- /dev/null +++ b/moon-abe/pbc-0.5.14/include/pbc_a_param.h @@ -0,0 +1,25 @@ +// Type A pairing parameters. + +// Requires: +// * param.h +#ifndef __PBC_A_PARAM_H__ +#define __PBC_A_PARAM_H__ + +struct symtab_s; +int pbc_param_init_a(pbc_param_ptr par, struct symtab_s *tab); + +/*@manual aparam +Generate type A pairing parameters and store them in 'p', +where the group order r is 'rbits' long, and the order of the base field q +is 'qbits' long. Elements take 'qbits' to represent. + +To be secure, generic discrete log algorithms must be infeasible in groups of +order r, and finite field discrete log algorithms must be infeasible in finite +fields of order q^2, e.g. 'rbits' = 160, 'qbits' = 512. + +The file `param/a.param` contains parameters for a type A pairing suitable for +cryptographic use. +*/ +void pbc_param_init_a_gen(pbc_param_ptr par, int rbits, int qbits); + +#endif //__PBC_A_PARAM_H__ |