js加密

javascript">    async function encryptText(plaintext) {// 将文本转换为ArrayBufferconst textEncoder = new TextEncoder();const dataBuffer = textEncoder.encode(plaintext);// 密钥和初始化向量，应该是一个安全的随机值const key = '123456789012345678901234567890ab'; // 32字节密钥const iv = '1234567890123456'; // 16字节初始化向量// 将密钥和初始化向量转换为ArrayBufferconst keyBuffer = new Uint8Array(key.split('').map(c => c.charCodeAt(0)));const ivBuffer = new Uint8Array(iv.split('').map(c => c.charCodeAt(0)));// 使用AES-CBC算法和PKCS7填充const cryptoKey = await window.crypto.subtle.importKey('raw',keyBuffer,{ name: 'AES-CBC', length: 256 },false,['encrypt']);// 加密数据const encrypted = await window.crypto.subtle.encrypt({ name: 'AES-CBC', iv: ivBuffer },cryptoKey,dataBuffer);// 将加密后的数据转换为Base64字符串const encryptedArray = new Uint8Array(encrypted);return btoa(String.fromCharCode(...encryptedArray));}

c#解密

        public string DecryptAes( string encryptedData, string key,string iv){// 转换为字节数组byte[] encryptedBytes = Convert.FromBase64String(encryptedData);// 创建解密器using (Aes aes = Aes.Create()){aes.Key = Encoding.UTF8.GetBytes(key);aes.IV = Encoding.UTF8.GetBytes(iv);aes.Mode = CipherMode.CBC;aes.Padding = PaddingMode.PKCS7;// 创建解密器ICryptoTransform decryptor = aes.CreateDecryptor(aes.Key, aes.IV);// 解密byte[] decryptedBytes = decryptor.TransformFinalBlock(encryptedBytes, 0, encryptedBytes.Length);// 输出解密后的数据return Encoding.UTF8.GetString(decryptedBytes);}}

c#加密

        public string EncryptAes(string content, string key, string iv){// 转换为字节数组byte[] contentBytes = Encoding.UTF8.GetBytes(content);// 创建解密器using (Aes aes = Aes.Create()){aes.Key = Encoding.UTF8.GetBytes(key);aes.IV = Encoding.UTF8.GetBytes(iv);aes.Mode = CipherMode.CBC;aes.Padding = PaddingMode.PKCS7;// 创建解密器ICryptoTransform decryptor = aes.CreateEncryptor(aes.Key, aes.IV);// 解密byte[] encryptedBytes = decryptor.TransformFinalBlock(contentBytes, 0, contentBytes.Length);// 输出解密后的数据return Convert.ToBase64String(encryptedBytes);}}

js解密

javascript">  async function decryptText(ciphertext) {// 密钥和初始化向量，应该是一个安全的随机值const key = '123456789012345678901234567890ab'; // 32字节密钥const iv = '1234567890123456'; // 16字节初始化向量// 将密钥和初始化向量转换为ArrayBufferconst keyBuffer = new Uint8Array(key.split('').map(c => c.charCodeAt(0)));const ivBuffer = new Uint8Array(iv.split('').map(c => c.charCodeAt(0)));// 将Base64字符串转换为ArrayBufferconst encryptedArray = new Uint8Array(atob(ciphertext).split('').map(c => c.charCodeAt(0)));// 导入密钥const cryptoKey = await window.crypto.subtle.importKey('raw',keyBuffer,{ name: 'AES-CBC', length: 256 },false,['decrypt']);// 解密数据const decrypted = await window.crypto.subtle.decrypt({ name: 'AES-CBC', iv: ivBuffer },cryptoKey,encryptedArray);// 将解密后的数据转换为文本const textDecoder = new TextDecoder();return textDecoder.decode(decrypted);}