112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
#include"AES_HPP.hpp"
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#include"Base64_HPP.hpp"
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#include"pkcs7_HPP.hpp"
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int main() {//g++ AES.cpp main.cpp -o program
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ios_base::fmtflags original_flags = cout.flags();
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int BlockSize = 16;
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//shiftrow & invshiftrow & sub & Invsub 完成測試
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cout << "此程式支援Base64編碼與pkcs7填充\n";
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while (1) {
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cout << "此AES加密與解密程式只支援128位的密鑰\n要使用加密功能請輸入0，要使用解密功能請輸入1\n";
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int en_or_de;
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cin >> en_or_de;
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if (!en_or_de) {//en
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int textLength;
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cout << "輸入的明文以字節儲存(就是常見的1byte儲存一個)的請輸入0" << '\n';
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cout << "輸入的明文以Base64編碼的請輸入1(會先轉為字節儲存再加密)" << '\n';
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int ch_or_ba;
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cin >> ch_or_ba;
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cout << "請輸入明文\n";
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string tmp;
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cin.ignore();
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getline(cin, tmp);
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if (ch_or_ba) {
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tmp = Base64_decode(tmp);
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}
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pkcs7_padding(tmp, BlockSize);
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textLength = tmp.size();
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unsigned char *plaintext = new unsigned char[textLength];
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for (int i = 0; i < textLength; i++) { plaintext[i] = tmp[i]; }
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cout << "填充後的16進位 ";
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for (const auto& item : tmp) {
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cout << hex << setw(2) << setfill('0') << (0xFF & static_cast<unsigned int>(item)) << ' ';
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}cout << '\n'; cout.flags(original_flags);
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cout << "請輸入密鑰(字節儲存128bit)\n";
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unsigned char key[16];
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getline(cin, tmp);
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for (int i = 0; i < 16; i++) { key[i] = tmp[i]; }
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unsigned char *ciphertext = new unsigned char [textLength];
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encryptECB(textLength,plaintext, key, ciphertext);
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string tt;
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tt.resize(textLength);
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for (int i = 0; i < textLength; i++) { tt[i] = ciphertext[i]; }
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cout << "密文(16進位) ";
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for (const auto& item : tt) {
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cout << hex << setw(2) << setfill('0') << (0xFF & static_cast<unsigned int>(item)) << ' ';
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}cout << '\n'; cout.flags(original_flags);
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tt = Base64_encode(tt);
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cout << tt << "\n\n";
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delete[] plaintext;
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delete[] ciphertext;
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}
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else if (en_or_de) {//de
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int textLength;
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cout << "請輸入Base64編碼的密文\n";
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string tmp;
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cin.ignore();
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getline(cin, tmp);
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tmp = Base64_decode(tmp);
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textLength = tmp.size();
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unsigned char *ciphertext = new unsigned char[textLength];
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for (int i = 0; i < textLength; i++) {
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ciphertext[i] = tmp[i];
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}
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cout << "請輸入密鑰(字節儲存128bit)\n";
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unsigned char key[16];
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getline(cin, tmp);
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for (int i = 0; i < 16; i++) {
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key[i] = tmp[i];
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}
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unsigned char *plaintext = new unsigned char[textLength];
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decryptECB(textLength,ciphertext, key, plaintext);
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string tt;
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tt.resize(textLength);
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for (int i = 0; i < textLength; i++) {
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tt[i] = plaintext[i];
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}
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pkcs7_unpadding(tt);
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textLength = tt.size();
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for (const auto& item : tt) {
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cout << hex << setw(2) << setfill('0') << (0xFF & static_cast<unsigned int>(item)) << ' ';
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}cout << '\n'; cout.flags(original_flags);
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for (int i = 0; i < textLength; i++) {
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cout << plaintext[i];
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}cout << "\n\n";
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delete[] plaintext;
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delete[] ciphertext;
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}
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}
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} |