2 * Copyright (C) 2016 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #include "ScryptParameters.h"
22 bool parse_scrypt_parameters(const char* paramstr, int *Nf, int *rf, int *pf) {
29 * The token we're looking for should be three integers separated by
30 * colons (e.g., "12:8:1"). Scan the property to make sure it matches.
32 for (i = 0, token = strtok_r(const_cast<char *>(paramstr), ":", &saveptr);
33 token != nullptr && i < 3;
34 i++, token = strtok_r(nullptr, ":", &saveptr)) {
36 params[i] = strtol(token, &endptr, 10);
39 * Check that there was a valid number and it's 8-bit.
41 if ((*token == '\0') || (*endptr != '\0') || params[i] < 0 || params[i] > 255) {
45 if (token != nullptr) {
48 *Nf = params[0]; *rf = params[1]; *pf = params[2];