str
paillier_priv::decrypt (const crypt_ctext &msg, size_t msglen,
bool recover) const
{
assert (msg.type == CRYPT_PAILLIER);
bigint m;
D (m, *msg.paillier);
return post_decrypt (m, msglen);
}
static char *
rw_decrypt (const dckey *key, const char *ctext)
{
const rw_priv *sk = k2priv (key);
mpz_t m;
char *ret;
mpz_init (m);
if (read_mpz (&ctext, m)) {
mpz_clear (m);
return NULL;
}
D2 (m, m, sk, 0);
D1 (m, m, sk->n);
ret = post_decrypt (m, sk->nbits);
mpz_clear (m);
return ret;
}
