39 	int64_t acc = 0;  in subtract_modulus()  local
43 		acc += (uint64_t)num[i] - key->modulus[i];  in subtract_modulus()
44 		num[i] = (uint32_t)acc;  in subtract_modulus()
45 		acc >>= 32;  in subtract_modulus()
188 	uint32_t val[key->len], acc[key->len], tmp[key->len];  in pow_mod()  local
211 	montgomery_mul(key, acc, val, key->rr); /* acc = a * RR / R mod n */  in pow_mod()
213 	memcpy(a_scaled, acc, key->len * sizeof(a_scaled[0]));  in pow_mod()
216 		montgomery_mul(key, tmp, acc, acc); /* tmp = acc^2 / R mod n */  in pow_mod()
219 			/* acc = tmp * val / R mod n */  in pow_mod()
220 			montgomery_mul(key, acc, tmp, a_scaled);  in pow_mod()
222 			/* e[j] == 0, copy tmp back to acc for next operation */  in pow_mod()
223 			memcpy(acc, tmp, key->len * sizeof(acc[0]));  in pow_mod()
228 	montgomery_mul(key, tmp, acc, acc); /* tmp = acc^2 / R mod n */  in pow_mod()
229 	montgomery_mul(key, acc, tmp, val); /* acc = tmp * a / R mod M */  in pow_mod()
230 	memcpy(result, acc, key->len * sizeof(result[0]));  in pow_mod()