xec_accessories.h

IBE是一种非对称密码技术

/* Copyright 2003-2006, Voltage Security, all rights reserved.
 */

#include "ictk.h"
#include "xbn_z.h"
#include "surrender.h"

#ifndef XEC_ACCESSORIES_H
#define XEC_ACCESSORIES_H

#ifdef __cplusplus
extern "C" {
#endif

/* Construct an array of Solinas primes of a given bit size (size given
 * by the bits arg).
 * Build either all primes of the given size or if there are more
 * primes than arraySize, build only arraySize primes.
 * Set numberOfPrimes to the number of primes found.
 * This function expects qa and qb to be arrays of ints of length
 * arraySize. It expects qc and qs to be arrays of sign_ts of length
 * arraySize. It expects qz to be an array of z_t pointers of length
 * arraySize. If any elements in the array is not NULL, this function
 * expects that those elements are valid z_t pointers. In other words,
 * it is the responsibility of the caller to allocate the array and
 * initiaize each element to NULL before calling this function the
 * first time. It is also the responsibility of the caller to call zDel
 * on any element that contains a valid z_t pointer.
 */
int zSolinasMakeAll (
   int *numberOfPrimes,
   int *qa,
   int *qb,
   sign_t *qc,
   sign_t *qs,
   z_t **qz,
   unsigned int arraySize,
   int bits,
   VoltSurrenderCtx *surrCtx,
   unsigned int surrFlag,
   unsigned int *callNumber,
   VtRandomObject random,
   bf_context_t *bf
   );

/* generate qbits-bit Solinas prime q = 2^a +- 2^b +- 1 such that
 * p = r*q - 1 is prime too, where r is a rbits-bit randomly generated
 * multiple of a
 * set result to true_n if parameters are found, false_n if not.
 * The return value is 0 for no error or a non-zero error code. It is
 * possible to return 0 and set result to false_n. The function
 * completed successfully, it just did not find params.
 */
int ec1ParamGenRandomized (
   bool_t *result,
   z_t *p_out,
   z_t *q_out,
   z_t *r_out,
   z_t *a,
   int qbits,
   int rbits,
   int attempts,
   VoltSurrenderCtx *surrCtx,
   unsigned int surrFlag,
   unsigned int *callNumber,
   VtRandomObject random,
   bf_context_t *bf
   );

#ifdef __cplusplus
}
#endif

#endif /* XEC_ACCESSORIES_H */