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同步操作将从 天爱有情/easy-crypto 强制同步，此操作会覆盖自 Fork 仓库以来所做的任何修改，且无法恢复！！！
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CheckedInputStream和 CheckedOutputStream 使其支持主流文件校验值，如md5、sha256、crc64等 <dependency>
<groupId>cloud.tianai.crypto</groupId>
<artifactId>easy-crypto</artifactId>
<version>1.0.basic</version>
</dependency>
public class CryptoTest {
/**
* 使用 CipherInputStream 加密 源文件, 使用3des加密
*/
@Test
public void testEncryptByInputStreamAndDes() throws IOException {
// 源文件
FileInputStream source = new FileInputStream("C:\\Users\\Thinkpad\\Desktop\\预览20M.pdf");
// 包装成加密流
CipherInputStream cipherInputStream = new CipherInputStream(source, CryptoCipherBuilder.buildDes3Crypt("123456781234567812345678", true));
// 输出
FileOutputStream outputStream = new FileOutputStream("C:\\Users\\Thinkpad\\Desktop\\加密-预览20M.pdf");
write(cipherInputStream,outputStream);
outputStream.close();
cipherInputStream.close();
}
/**
* 使用 CipherInputStream 解密加密的文件, 使用3des解密
*/
@Test
public void testDecryptByInputStreamAndDes() throws IOException {
// 源文件
FileInputStream source = new FileInputStream("C:\\Users\\Thinkpad\\Desktop\\加密-预览20M.pdf");
// 包装成解密流
CryptoCipher cryptoCipher = CryptoCipherBuilder.buildDes3Crypt("123456781234567812345678", false);
CipherInputStream cipherInputStream = new CipherInputStream(source, cryptoCipher);
// 输出
FileOutputStream outputStream = new FileOutputStream("C:\\Users\\Thinkpad\\Desktop\\解密-预览20M.pdf");
write(cipherInputStream,outputStream);
outputStream.close();
cipherInputStream.close();
}
/**
* 使用 CipherOutputStream 加密 源文件, 使用3des加密
*/
@Test
public void testEncryptByOutputStreamAndDes() throws IOException {
// 源文件
FileInputStream source = new FileInputStream("C:\\Users\\Thinkpad\\Desktop\\预览20M.pdf");
// 输出
FileOutputStream outputStream = new FileOutputStream("C:\\Users\\Thinkpad\\Desktop\\加密-预览20M.pdf");
// 包装输出流为加密流
CryptoCipher cryptoCipher = CryptoCipherBuilder.buildDes3Crypt("123456781234567812345678", true);
CipherOutputStream cipherOutputStream = new CipherOutputStream(outputStream, cryptoCipher);
write(source,cipherOutputStream);
outputStream.close();
cipherOutputStream.close();
}
// 使用rsa加解密
@Test
public void genRsaKey() {
String[] keys = RsaUtils.genKeyPair(1024);
String privateKey = keys[0];
String publicKey = keys[1];
// 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
System.out.println(privateKey);
// MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCPt5L72FHygiH9Lxp+z26tIoXLfj47SqlQUYNN+uHsDGfsv39sBg30H5VVnJUjxeMHiI0j8UCoTeuMdFbAMm5zlGzta/lCaqQlV8GXTO/cKj117C0ezmUhutY4yl9QThLoCJ/TT4CpJT35h1sF4gbH9q5rGpKJvTini4Gf41CEBQIDAQAB
System.out.println(publicKey);
}
/**
* 使用 CipherInputStream 加密 源文件, 使用RSA公钥加密
*/
@Test
public void testEncryptByInputStreamAndRsa() throws IOException {
// 源文件
FileInputStream source = new FileInputStream("C:\\Users\\Thinkpad\\Desktop\\预览20M.pdf");
// 包装成加密流, 使用公钥加密
RSAPublicKey publicKey = RsaUtils.getPublicKeyFromPemX509("MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCPt5L72FHygiH9Lxp+z26tIoXLfj47SqlQUYNN+uHsDGfsv39sBg30H5VVnJUjxeMHiI0j8UCoTeuMdFbAMm5zlGzta/lCaqQlV8GXTO/cKj117C0ezmUhutY4yl9QThLoCJ/TT4CpJT35h1sF4gbH9q5rGpKJvTini4Gf41CEBQIDAQAB");
CryptoCipher cryptoCipher = CryptoCipherBuilder.buildRsaCrypt(publicKey, true);
CipherInputStream cipherInputStream = new CipherInputStream(source, cryptoCipher);
// 输出
FileOutputStream outputStream = new FileOutputStream("C:\\Users\\Thinkpad\\Desktop\\加密-预览20M.pdf");
write(cipherInputStream,outputStream);
outputStream.close();
cipherInputStream.close();
}
/**
* 使用 CipherInputStream 解密加密的文件, 使用rsa私钥解密
*/
@Test
public void testDecryptByInputStreamAndRsa() throws IOException {
// 源文件
FileInputStream source = new FileInputStream("C:\\Users\\Thinkpad\\Desktop\\加密-预览20M.pdf");
// 包装成解密流, 使用私钥解密
RSAPrivateKey privateKey = RsaUtils.getPrivateKeyFromPemPKCS8("MIICdgIBADANBgkqhkiG9w0BAQEFAASCAmAwggJcAgEAAoGBAI+3kvvYUfKCIf0vGn7Pbq0ihct+PjtKqVBRg0364ewMZ+y/f2wGDfQflVWclSPF4weIjSPxQKhN64x0VsAybnOUbO1r+UJqpCVXwZdM79wqPXXsLR7OZSG61jjKX1BOEugIn9NPgKklPfmHWwXiBsf2rmsakom9OKeLgZ/jUIQFAgMBAAECgYEAhrDoe0mge6SEkFHOBh0IQBFDzZRyZIUzq4fJhJLlm6GA4LwUgrwl5a6X+ZV3nQBAJvZOOOpIy7PDV25NQ3HAWwA7mEOGYMhi18POWrsQ8+e//Htw6lmbWt1sTl4sodIIaWJNC/9elT0GccAdeEqdRtA5RrZYfajsvi9tIDVQ4r0CQQDJn3jnMhpBXfO2vEWf3V0JMTz9Cn2IrAIn4q8JcRuw5eET1VqBWsIBeA4+VMif91O8lsnVPyhvSTCXhkGEaIMjAkEAtnok3DXtZwHhZKStuC1QN0A6q53tY7muDFV/mTbLbs5xKCvyVkIxQ6jIJrZ86SSb2G2rWbocoafL1B7qG6GCtwJAFrkMTTIOV3OZNez+A8hU5eZQs0vtXevUyl330B6ZOlSOC0guTQnHd5bqNAgmHDEplMWBtbDKg9BB07HjzGJi9QJAPHs7oGmXaF7tMAiNM9CBF+8IAz3zIuy2TYxBIK1SvEVcqC34wrJp1b0pqfsuZ7Akn5WqB7FyL/qHyqT8f3AG/QJAGezbTUI2TBw48PXDkcxVZR4b1iDNgzr6nWkEvbqUvu1SKAJFzs0tKHrBrHDFaWu7UxAmfZ4nodtk6J0Gj4qHKQ==");
CryptoCipher cryptoCipher = CryptoCipherBuilder.buildRsaCrypt(privateKey, false);
CipherInputStream cipherInputStream = new CipherInputStream(source, cryptoCipher);
// 输出
FileOutputStream outputStream = new FileOutputStream("C:\\Users\\Thinkpad\\Desktop\\解密-预览20M.pdf");
write(cipherInputStream,outputStream);
outputStream.close();
cipherInputStream.close();
}
/**
* 使用 CipherOutputStream 加密 源文件, 使用RSA公钥加密
*/
@Test
public void testEncryptByOutputStreamAndRsa() throws IOException {
// 源文件
FileInputStream source = new FileInputStream("C:\\Users\\Thinkpad\\Desktop\\预览20M.pdf");
// 输出
FileOutputStream outputStream = new FileOutputStream("C:\\Users\\Thinkpad\\Desktop\\加密-预览20M.pdf");
// 包装输出流为加密流, 使用公钥加密
RSAPublicKey publicKey = RsaUtils.getPublicKeyFromPemX509("MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCPt5L72FHygiH9Lxp+z26tIoXLfj47SqlQUYNN+uHsDGfsv39sBg30H5VVnJUjxeMHiI0j8UCoTeuMdFbAMm5zlGzta/lCaqQlV8GXTO/cKj117C0ezmUhutY4yl9QThLoCJ/TT4CpJT35h1sF4gbH9q5rGpKJvTini4Gf41CEBQIDAQAB");
CryptoCipher cryptoCipher = CryptoCipherBuilder.buildRsaCrypt(publicKey, true);
CipherOutputStream cipherOutputStream = new CipherOutputStream(outputStream, cryptoCipher);
write(source,cipherOutputStream);
outputStream.close();
cipherOutputStream.close();
}
/**
* 使用 CipherInputStream 加密 源文件, 使用自定义算法加密
*/
@Test
public void testEncryptByInputStreamAndCustom() throws IOException, NoSuchPaddingException, NoSuchAlgorithmException, NoSuchProviderException, InvalidKeyException {
// 源文件
FileInputStream source = new FileInputStream("C:\\Users\\Thinkpad\\Desktop\\预览20M.pdf");
// 创建自定义加密算法
Cipher cipher = Cipher.getInstance("SM4/ECB/NoPadding", BouncyCastleProvider.PROVIDER_NAME);
byte[] key = Base64.getDecoder().decode("aW6sIKDsH4U9QIXjIshTHw==");
Key sm4Key = new SecretKeySpec(key, "SM4");
cipher.init(Cipher.ENCRYPT_MODE, sm4Key);
AesCryptoCipher aesCryptoCipher = new AesCryptoCipher(cipher, Cipher.ENCRYPT_MODE);
// 包装成加密流, 使用SM4加密
CipherInputStream cipherInputStream = new CipherInputStream(source, aesCryptoCipher);
// 输出
FileOutputStream outputStream = new FileOutputStream("C:\\Users\\Thinkpad\\Desktop\\加密-预览20M.pdf");
write(cipherInputStream, outputStream);
outputStream.close();
cipherInputStream.close();
}
/**
* 使用 CipherInputStream 解密加密的文件, 使用自定义算法解密
*
*/
@Test
public void testDecryptByInputStreamAndCustom() throws IOException, NoSuchPaddingException, NoSuchAlgorithmException, NoSuchProviderException, InvalidKeyException {
// 源文件
FileInputStream source = new FileInputStream("C:\\Users\\Thinkpad\\Desktop\\加密-预览20M.pdf");
// 创建SM4算法
Cipher cipher = Cipher.getInstance("SM4/ECB/NoPadding", BouncyCastleProvider.PROVIDER_NAME);
byte[] key = Base64.getDecoder().decode("aW6sIKDsH4U9QIXjIshTHw==");
Key sm4Key = new SecretKeySpec(key, "SM4");
cipher.init(Cipher.DECRYPT_MODE, sm4Key);
AesCryptoCipher aesCryptoCipher = new AesCryptoCipher(cipher, Cipher.DECRYPT_MODE);
// 包装成解密流, 使用SM4解密
CipherInputStream cipherInputStream = new CipherInputStream(source, aesCryptoCipher);
// 输出
FileOutputStream outputStream = new FileOutputStream("C:\\Users\\Thinkpad\\Desktop\\解密-预览20M.pdf");
write(cipherInputStream, outputStream);
outputStream.close();
cipherInputStream.close();
}
/**
* 使用 CipherInputStream 加密 源文件, 使用base64加密
*/
@Test
public void testEncryptByInputStreamAndBase64() throws IOException {
long start = System.currentTimeMillis();
// 源文件
FileInputStream source = new FileInputStream("C:\\Users\\Thinkpad\\Desktop\\预览20M.pdf");
// 包装成加密流
//注意： 这里指定的 bufferSize会影响到加密流的buffer， 也就是说这里指定的buff长度和加密流中的长度不一样时，会使用这里的长度,
// 因为类似于base64这种加密后解密需要加密长度的加密(转码)算法时，必须由算法本身计算长度
Base64CryptoCipher cipher = new Base64CryptoCipher(Cipher.ENCRYPT_MODE, 4096);
CipherInputStream cipherInputStream = new CipherInputStream(source, cipher);
// 输出
FileOutputStream outputStream = new FileOutputStream("C:\\Users\\Thinkpad\\Desktop\\加密-预览20M.pdf");
write(cipherInputStream, outputStream);
outputStream.close();
cipherInputStream.close();
long end = System.currentTimeMillis();
// 1207 1248 1238 1230 1169 1247
// 775 745 794 797 764 790
System.out.println("耗时:" + (end - start));
}
/**
* 使用 CipherInputStream 解密加密的文件, 使用base64解密
*
*/
@Test
public void testDecryptByInputStreamAndBase64() throws IOException, NoSuchPaddingException, NoSuchAlgorithmException, NoSuchProviderException, InvalidKeyException {
long start = System.currentTimeMillis();
// 源文件
FileInputStream source = new FileInputStream("C:\\Users\\Thinkpad\\Desktop\\加密-预览20M.pdf");
//注意： 这里指定的 bufferSize会影响到加密流的buffer， 也就是说这里指定的buff长度和加密流中的长度不一样时，会使用这里的长度,
// 因为类似于base64这种加密后解密需要加密长度的加密(转码)算法时，必须由算法本身计算长度
Base64CryptoCipher cipher = new Base64CryptoCipher(Cipher.DECRYPT_MODE, 4096);
CipherInputStream cipherInputStream = new CipherInputStream(source, cipher);
// 输出
FileOutputStream outputStream = new FileOutputStream("C:\\Users\\Thinkpad\\Desktop\\解密-预览20M.pdf");
write(cipherInputStream, outputStream);
outputStream.close();
cipherInputStream.close();
long end = System.currentTimeMillis();
System.out.println("耗时:" + (end - start));
}
public void write(InputStream input, OutputStream output) throws IOException {
byte[] buffer = new byte[4096];
int n;
while (-1 != (n = input.read(buffer))) {
output.write(buffer, 0, n);
}
}
}
EnhanceCheckedInputStream的用法， EnhanceCheckedOutputStream用法同理public class CheckedTest {
/**
* 获取一个文件的 md5
*/
@Test
public void getFileMd5() throws IOException {
// 源文件
FileInputStream source = new FileInputStream("C:\\Users\\Thinkpad\\Desktop\\预览20M.pdf");
Md5Checksum md5Checksum = new Md5Checksum();
EnhanceCheckedInputStream checkedInputStream = new EnhanceCheckedInputStream(source, md5Checksum);
readAll(checkedInputStream);
byte[] md5 = md5Checksum.getCheckValue();
System.out.println("md5:" + Hex.toHexString(md5));
}
/**
* 获取一个文件的 crc64
*/
@Test
public void getFileCrc64() throws IOException {
// 源文件
FileInputStream source = new FileInputStream("C:\\Users\\Thinkpad\\Desktop\\预览20M.pdf");
CRC64Checksum crc64Checksum = new CRC64Checksum();
EnhanceCheckedInputStream checkedInputStream = new EnhanceCheckedInputStream(source, crc64Checksum);
readAll(checkedInputStream);
Long crc64 = crc64Checksum.getCheckValue();
System.out.println("crc64:" + crc64);
}
/**
* 同时获取一个文件的 md5、crc64、sha256
*/
@Test
public void getFileChecksum() throws IOException {
Md5Checksum md5Checksum = new Md5Checksum();
CRC64Checksum crc64Checksum = new CRC64Checksum();
Sha256Checksum sha256Checksum = new Sha256Checksum();
MultiPartChecksum multiPartChecksum = new MultiPartChecksum(md5Checksum, crc64Checksum, sha256Checksum);
FileInputStream source = new FileInputStream("C:\\Users\\Thinkpad\\Desktop\\预览20M.pdf");
EnhanceCheckedInputStream checkedInputStream = new EnhanceCheckedInputStream(source, multiPartChecksum);
readAll(checkedInputStream);
System.out.println("md5:" + Hex.toHexString(md5Checksum.getCheckValue()));
System.out.println("crc64:" + crc64Checksum.getCheckValue());
System.out.println("sha256:" + Hex.toHexString(sha256Checksum.getCheckValue()));
}
public void readAll(InputStream input) throws IOException {
byte[] buffer = new byte[4096];
while (-1 != input.read(buffer)) {
}
}
}
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