kopia lustrzana https://github.com/Hamlib/Hamlib
127 wiersze
3.4 KiB
C
127 wiersze
3.4 KiB
C
/* Borrowed for Hamlib from:
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* String Crypt Test (Linux)
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* Copyright (C) 2012, 2015
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*
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* Author: Paul E. Jones <paulej@packetizer.com>
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*
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* This software is licensed as "freeware." Permission to distribute
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* this software in source and binary forms is hereby granted without a
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* fee. THIS SOFTWARE IS PROVIDED 'AS IS' AND WITHOUT ANY EXPRESSED OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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* THE AUTHOR SHALL NOT BE HELD LIABLE FOR ANY DAMAGES RESULTING FROM
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* THE USE OF THIS SOFTWARE, EITHER DIRECTLY OR INDIRECTLY, INCLUDING,
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* BUT NOT LIMITED TO, LOSS OF DATA OR DATA BEING RENDERED INACCURATE.
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#ifdef _WIN32
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#include <windows.h>
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//#include <Wincrypt.h>
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#else
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#include <unistd.h>
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#endif
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#include "AESStringCrypt.h"
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#include "password.h"
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#include "../src/misc.h"
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#if defined(_WIN32)
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// gmtime_r can be defined by mingw
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#ifndef gmtime_r
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static struct tm *gmtime_r(const time_t *t, struct tm *r)
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{
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// gmtime is threadsafe in windows because it uses TLS
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struct tm *theTm = gmtime(t);
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if (theTm)
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{
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*r = *theTm;
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return r;
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}
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else
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{
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return 0;
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}
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}
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#endif // gmtime_r
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#endif // _WIN32
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// using tv_usec with a sleep gives a fairly good random number
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static int my_rand(int max)
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{
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time_t t;
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struct timeval tv;
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struct tm result;
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t = time(NULL);
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gmtime_r(&t, &result);
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gettimeofday(&tv, NULL);
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hl_usleep(100);
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int val = tv.tv_usec % max;
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return val;
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}
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void rig_make_key(char key[33])
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{
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char *all =
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"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123467890!@#$%^&*()_=~<>/?";
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int max = strlen(all);
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int i;
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for (i = 0; i < 32; ++i)
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{
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key[i] = all[my_rand(max)];
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}
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key[32] = 0;
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}
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int main()
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{
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char key1[33];
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char key2[33];
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char plaintext[33];
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unsigned char ciphertext[1024];
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int ciphertext_length;
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int plaintext_length;
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memset(ciphertext, 0, sizeof(ciphertext));
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rig_make_key(key1);
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rig_make_key(key2);
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printf("key1=%s\n", key1);
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printf("key2=%s\n", key2);
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ciphertext_length = AESStringCrypt((unsigned char *) key1,
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strlen(key1),
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(unsigned char *) key2,
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strlen(key2),
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(unsigned char *) ciphertext);
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for (int i = 0; i < ciphertext_length; ++i) { printf("%02x", ciphertext[i]); }
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printf("\n");
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if (ciphertext_length == AESSTRINGCRYPT_ERROR)
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{
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printf("Error encrypting the string\n");
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}
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printf("Ciphertext length: %d\n", ciphertext_length);
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memset(plaintext, 0, sizeof(plaintext));
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printf("Decrypting...\n");
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plaintext_length = AESStringDecrypt((unsigned char *) key1,
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strlen(key1),
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(unsigned char *) ciphertext,
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ciphertext_length,
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(unsigned char *) plaintext);
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if (plaintext_length == AESSTRINGCRYPT_ERROR)
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{
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printf("Error decrypting the string\n");
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}
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printf("Decrypted plaintext length: %d, %s\n", plaintext_length, plaintext);
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}
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