public_key = rsa.PublicKey.load_pkcs1(pub) # 转换为原始状态 private_key = rsa.PrivateKey.load_pkcs1(pri) message = "rsa加密测试" info = rsa.encrypt(message.encode('utf-8'), public_key) # 使用公钥加密内容,内容必须是二进制 msg = rsa.decrypt(info, private_key) # 使用私钥解密,获得解...
*/publicstaticStringdecryptByPrivateKey(String privateKeyText,String text)throws Exception{PKCS8EncodedKeySpec pkcs8EncodedKeySpec5=newPKCS8EncodedKeySpec(Base64.decodeBase64(privateKeyText));KeyFactory keyFactory=KeyFactory.getInstance(ALGORITHM);PrivateKey privateKey=keyFactory.generatePrivate(pkcs8EncodedKeyS...
*/publicstaticStringdecryptByPrivateKey(byte[] data, String key)throwsException {// 对密钥解密byte[] keyBytes = de.decodeBuffer(key);// 取得私钥PKCS8EncodedKeySpecpkcs8KeySpec=newPKCS8EncodedKeySpec(keyBytes);KeyFactorykeyFactory=KeyFactory.getInstance(KEY_ALGORITHM);PrivateKeyprivateKey=keyFactory.ge...
/** * 加密 * 用私钥加密 * @param data * @param key */ public static String decryptByPrivateKey(byte[] data, String key) throws Exception { // 对密钥解密 byte[] keyBytes = de.decodeBuffer(key); // 取得私钥 PKCS8EncodedKeySpec pkcs8KeySpec = new PKCS8EncodedKeySpec(keyBytes); Key...
public static String decrypt_with_private_key(String s,String private_key_file){ try { byte[] miwen = new BigInteger(s).toByteArray(); //读入解密用的私钥 File pr_f = new File(private_key_file); FileInputStream pr_in = new FileInputStream(pr_f); ...
*@paramprivateKey * 私钥 *@return*@throwsException*/publicstaticString sign(byte[] data, String privateKey)throwsException {//解密由base64编码的私钥byte[] keyBytes =decryptBASE64(privateKey);//构造PKCS8EncodedKeySpec对象PKCS8EncodedKeySpec pkcs8KeySpec =newPKCS8EncodedKeySpec(keyBytes);//KEY_...
public static String sign(byte[] data, String privateKey) throws Exception { // 解密由base64编码的私钥 byte[] keyBytes = decryptBASE64(privateKey);// 构造PKCS8EncodedKeySpec对象 PKCS8EncodedKeySpec pkcs8KeySpec = new PKCS8EncodedKeySpec(keyBytes);// KEY_ALGORITHM 指定的加密算法 KeyFactory ...
; Cipher cipher = Cipher.getInstance("RSA"); cipher.init(Cipher.ENCRYPT_MODE, publicKey); byte[] encryptedData = cipher.doFinal(plainText.getBytes()); // 使用私钥解密 cipher.init(Cipher.DECRYPT_MODE, privateKey); byte[] decryptedData = cipher.doFinal(encryptedData); String decryptedText = ...
The sender then encrypts the message digest with the sender's private key to create the sender's personal signature. Upon receiving the message and signature, the receiver decrypts the signature using the sender's public key to recover the message digest and hashes the message using the same...
BCRYPT_DSA_KEY_BLOB Modulus[cbKey] // Big-endian. Generator[cbKey] // Big-endian. Public[cbKey] // Big-endian. DSA私鑰 BLOB(BCRYPT_DSA_PRIVATE_BLOB) 在連續記憶體中具有下列格式。 模數、產生器、公用和 PrivateExponent 數位的格式為 big-endian。