init(128); // 设置密钥长度 SecretKey secretKey = keyGen.generateKey(); 初始化Cipher对象 Cipher cipher = Cipher.getInstance("AES"); cipher.init(Cipher.ENCRYPT_MODE, secretKey); 执行加密 byte[] plainText = "待加密文本".getBytes(); byte[] cipherText = cipher.doFinal(plainText); 执行解密...
HashSet 的 put/iterator/remove 函数 迭代器操作函数 std.collection.concurrent 包 接口 类 示例教程 ConcurrentHashMap 使用示例 NonBlockingQueue 使用示例 std.console 包 类 示例教程 Console 示例 std.convert 包 接口 示例教程 convert 使用示例 std.crypto.cipher 包 接口 std.crypto.dige...
1. 加密解密时,使用的key和iv必须同一个,我这里希望每次加密时key和iv不是固定的,所以直接拼接到密码中了,解密时直接从密码中取,也可采取其他方法,保证加密解密时使用的一样即可 2.key的长度和algorithm有对应关系,key 的长度不对会报错Invalid key length, 如果选aes-256-gcm则 key 为randomBytes(256/8=32)...
SecByteBlocksbbCipherText(pubkey.CiphertextLength(plain.size())); //sbbCipherText.begin(); AutoSeededRandomPoolrng; pubkey.Encrypt( rng, (byteconst*)plain.data(), plain.size(), sbbCipherText.begin()); FileSink(encryptedFilename).Put(sbbCipherText.begin(),sbbCipherText.size()); } 1. 2....
In order to create a Cipher object, the application calls the Cipher'sgetInstancemethod, and passes the name of the requestedtransformationto it. Optionally, the name of a provider may be specified. Atransformationis a string that describes the operation (or set of operations) to be performed ...
plain = [chr(pow(char, key, n))forcharinc]return''.join(plain) p = getPrime(512) q = getPrime(512) n = p*q pubkey = (e,n)assert(e <20000)print("Public key:")print(pubkey[1]) cipher = (enc(pubkey, flag))print("Encrypted flag:")print(cipher)""" ...
FileSink(encryptedFilename).Put(sbbCipherText.begin(), sbbCipherText.size()); } 用私钥解密(从文件读取私钥) //用privFilename文件中的私钥解密encryptedFilename文件中的加密内容,并返回解密内容。stringDecrypt(constchar*privFilename,constchar*encryptedFilename){stringstrContents, recovered; ...
CBC_Mode<AES>::Encryption aesEncryptor(m_arrByteKey, m_nKeyLen, m_arrByteIv); StringSource(strText,true,newStreamTransformationFilter(aesEncryptor,newStringSink(strCipher))); std::stringstrEncoded; StringSource s2(strCipher,true,newHexEncoder(newStringSink(strEncoded) ...
decodeKey(key)); System.out.println("解密后数据:" + decryptData); 使用DESede算法、168位密钥长度 Configuration configuration = new Configuration(); configuration.setKeyAlgorithm(Algorithms.DESEDE).setCipherAlgorithm(Algorithms.DESEDE_ECB_PKCS5PADDING).setKeySize(168); SymmetricCryptography symmetric...
aesEncryptor.SetKey( aesKey, AES::DEFAULT_KEYLENGTH );//设定加密密钥 34 aesEncryptor.ProcessAndXorBlock( inBlock, xorBlock, outBlock );//加密 35 36 //以16进制显示加密后的数据 37 for(inti=0; i<16; i++) { 38 cout<<hex<<(int)outBlock[i]<<""; ...