BNerr(BN_F_BN_BLINDING_CONVERT,BN_R_NOT_INITIALIZED);
BNerr(BN_F_BN_BLINDING_CONVERT_EX,BN_R_NOT_INITIALIZED);
int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *ctx)	{	bn_check_top(n);	if ((b->A == NULL) || (b->Ai == NULL))		{		BNerr(BN_F_BN_BLINDING_CONVERT,BN_R_NOT_INITIALIZED);		return(0);		}	if (r != NULL)		BN_copy(r, b->Ai);	return BN_mod_mul(n,n,b->A,b->mod,ctx);	}