2020-09-30 17:12:29 +02:00

18 lines
823 B
C

struct BenalohData
{
DWORD N; /* length of modulus */
LPDWORD M; /* a multiple of modulus, with highest bit set */
LPDWORD U; /* base**(N+1) mod modulus */
LPDWORD V; /* modulus - U */
LPDWORD product;
};
BOOL BenalohSetup(struct BenalohData *context, LPDWORD M, DWORD N);
void BenalohTeardown(struct BenalohData *context);
void BenalohMod(struct BenalohData *context, LPDWORD T, LPDWORD X);
void BenalohModSquare(struct BenalohData *context, LPDWORD A, LPDWORD B);
void BenalohModMultiply(struct BenalohData *context, LPDWORD A, LPDWORD B, LPDWORD C);
BOOL BenalohModExp(LPDWORD A, LPDWORD B, LPDWORD C, LPDWORD D, DWORD len);
BOOL BenalohModRoot(LPDWORD M, LPDWORD C, LPDWORD PP, LPDWORD QQ, LPDWORD DP, LPDWORD DQ, LPDWORD CR, DWORD PSize);
DWORD BenalohEstimateQuotient(DWORD a1, DWORD a2, DWORD m1);