void BN_MONT_CTX_init();
void BN_MONT_CTX_free();
int BN_MONT_CTX_set();
+BN_MONT_CTX *BN_MONT_CTX_copy();
BN_BLINDING *BN_BLINDING_new();
void BN_BLINDING_free();
int BN_BLINDING_convert();
int BN_BLINDING_invert();
+void BN_set_params();
+int BN_get_params();
+
void bn_mul_normal();
void bn_mul_comba8();
void bn_mul_comba4();