SM4、AES、DES の暗号化および復号化アルゴリズムのパフォーマンスの比較

テストコード

  public void encryDecry() throws  Exception{
    
    
        SM4StringEncryptor sm4 = new SM4StringEncryptor();
        String path = "D:\\Users\\xlj\\Downloads\\sylog.txt";

        File file = new File(path);
        InputStreamReader reader = new InputStreamReader(new FileInputStream(path));

        BufferedReader br = new BufferedReader(reader);
        StringBuilder fileContent = new StringBuilder();

        String line = "";
        line = br.readLine();
        while (line != null) {
    
    
            line = br.readLine();
            fileContent.append(line);
        }
        System.out.println("文件原始大小:" + fileContent.length() /1024/1024 + "Mb");

        StringBuilder fileContent = new StringBuilder("xlj12442");
        long startTime = System.currentTimeMillis();

        String encryContent=  sm4.encrypt(fileContent.toString());
        System.out.println("sm4加密后:" + encryContent);
        System.out.println("sm4加密后文件大小:" + encryContent.length() /1024/1024 + "Mb");

        long endTime = System.currentTimeMillis();
        System.out.println("sm4加密耗时:" + (endTime - startTime) + "ms");

        String decryContent = sm4.decrypt(encryContent);
        System.out.println("sm4解密后:" + decryContent);
        System.out.println("sm4解密后文件大小:" + decryContent.length()  /1024/1024 + "Mb");
        long endTime1 = System.currentTimeMillis();
        System.out.println("sm4解密耗时:" + (endTime1 - endTime) + "ms");

        // aes
        byte[] key = SecureUtil.generateKey(SymmetricAlgorithm.AES.getValue()).getEncoded();
        SymmetricCrypto aes = new SymmetricCrypto(SymmetricAlgorithm.AES, key);

        long aesStartTime = System.currentTimeMillis();
        encryContent = aes.encryptHex(decryContent);
        long esaEndTimeEncry = System.currentTimeMillis();

        System.out.println("aes加密后:" + encryContent);
        System.out.println("aes加密后文件大小:" + encryContent.length() /1024/1024 + "Mb");
        System.out.println("aes加密耗时:" + (esaEndTimeEncry - aesStartTime) + "ms");


        long aesEncryStartTime = System.currentTimeMillis();
        decryContent = aes.decryptStr(encryContent, CharsetUtil.CHARSET_UTF_8);
        long aesEncryEndTime = System.currentTimeMillis();
        System.out.println("aes解密后:" + decryContent);
        System.out.println("aes解密后文件大小:" + decryContent.length()  /1024/1024 + "Mb");
        System.out.println("aes解密耗时:" + (aesEncryEndTime - aesEncryStartTime) + "ms");


        // des
        key = SecureUtil.generateKey(SymmetricAlgorithm.DESede.getValue()).getEncoded();
        SymmetricCrypto des = new SymmetricCrypto(SymmetricAlgorithm.DESede, key);


        long desStartTime = System.currentTimeMillis();
        encryContent = des.encryptHex(decryContent);
        long desEndTimeEncry = System.currentTimeMillis();

        System.out.println("des ede加密后:" + encryContent);
        System.out.println("des ede加密后文件大小:" + encryContent.length() /1024/1024 + "Mb");
        System.out.println("des ede加密耗时:" + (desEndTimeEncry - desStartTime) + "ms");


        long desEncryStartTime = System.currentTimeMillis();
        decryContent = des.decryptStr(encryContent, CharsetUtil.CHARSET_UTF_8);
        long desEncryEndTime = System.currentTimeMillis();
        System.out.println("des ede解密后:" + decryContent);
        System.out.println("des ede解密后文件大小:" + decryContent.length()  /1024/1024 + "Mb");
        System.out.println("des ede解密耗时:" + (desEncryEndTime - desEncryStartTime) + "ms");*/

    }

性能比較結果

暗号化アルゴリズム	ファイルサイズ	暗号化時間 (ミリ秒)	復号化時間 (ミリ秒)
SM4	5M	1596年	841
AES	5M	201	447
の	5M	317	669
SM4	620KB	689	172
AES	620KB	109	186
の	620KB	53	132
SM4	36KB	487	34
AES	36KB	20	57
の	36KB	9	14
SM4	6バイト	505	0
AES	6バイト	13	24
の	6バイト	1	0