SM4、AES、DES加解密算法性能比较

SM4、AES、DES加解密算法性能比较

测试代码

  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");*/

    }

性能比较结果

加密算法 文件大小 加密耗时(ms) 解密耗时(ms)
SM4 5M 1596 841
AES 5M 201 447
DES 5M 317 669
SM4 620KB 689 172
AES 620KB 109 186
DES 620KB 53 132
SM4 36KB 487 34
AES 36KB 20 57
DES 36KB 9 14
SM4 6Bytes 505 0
AES 6Bytes 13 24
DES 6Bytes 1 0

5M文件加密耗时

5M文件解密耗时

620KB加密耗时

620KB解密耗时

36KB加密耗时

36KB解密耗时

6Bytes加密耗时

6Bytes解密耗时

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转载自blog.csdn.net/u013565163/article/details/128047911