diff options
Diffstat (limited to 'tools/obbtool/pbkdf2gen.cpp')
-rw-r--r-- | tools/obbtool/pbkdf2gen.cpp | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/tools/obbtool/pbkdf2gen.cpp b/tools/obbtool/pbkdf2gen.cpp deleted file mode 100644 index 98d67c0..0000000 --- a/tools/obbtool/pbkdf2gen.cpp +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <openssl/evp.h> - -#include <sys/types.h> -#include <errno.h> -#include <fcntl.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> - -/** - * Simple program to generate a key based on PBKDF2 with preset inputs. - * - * Will print out the salt and key in hex. - */ - -#define SALT_LEN 8 -#define ROUNDS 1024 -#define KEY_BITS 128 - -int main(int argc, char* argv[]) -{ - if (argc != 2) { - fprintf(stderr, "Usage: %s <password>\n", argv[0]); - exit(1); - } - - int fd = open("/dev/urandom", O_RDONLY); - if (fd < 0) { - fprintf(stderr, "Could not open /dev/urandom: %s\n", strerror(errno)); - close(fd); - exit(1); - } - - unsigned char salt[SALT_LEN]; - - if (read(fd, &salt, SALT_LEN) != SALT_LEN) { - fprintf(stderr, "Could not read salt from /dev/urandom: %s\n", strerror(errno)); - close(fd); - exit(1); - } - close(fd); - - unsigned char rawKey[KEY_BITS]; - - if (PKCS5_PBKDF2_HMAC_SHA1(argv[1], strlen(argv[1]), salt, SALT_LEN, - ROUNDS, KEY_BITS, rawKey) != 1) { - fprintf(stderr, "Could not generate PBKDF2 output: %s\n", strerror(errno)); - exit(1); - } - - printf("salt="); - for (int i = 0; i < SALT_LEN; i++) { - printf("%02x", salt[i]); - } - printf("\n"); - - printf("key="); - for (int i = 0; i < (KEY_BITS / 8); i++) { - printf("%02x", rawKey[i]); - } - printf("\n"); -} |