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C# AesCryptoServiceProvider.CreateDecryptor方法代碼示例

本文整理匯總了C#中System.Security.Cryptography.AesCryptoServiceProvider.CreateDecryptor方法的典型用法代碼示例。如果您正苦於以下問題:C# AesCryptoServiceProvider.CreateDecryptor方法的具體用法?C# AesCryptoServiceProvider.CreateDecryptor怎麽用?C# AesCryptoServiceProvider.CreateDecryptor使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在System.Security.Cryptography.AesCryptoServiceProvider的用法示例。


在下文中一共展示了AesCryptoServiceProvider.CreateDecryptor方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。

示例1: DecryptStringFromBytes_Aes

static string DecryptStringFromBytes_Aes(byte[] cipherText, byte[] Key, byte[] IV)
{
    // Check arguments.
    if (cipherText == null || cipherText.Length <= 0)
        throw new ArgumentNullException("cipherText");
    if (Key == null || Key.Length <= 0)
        throw new ArgumentNullException("Key");
    if (IV == null || IV.Length <= 0)
        throw new ArgumentNullException("IV");

    // Declare the string used to hold
    // the decrypted text.
    string plaintext = null;

    // Create an AesCryptoServiceProvider object
    // with the specified key and IV.
    using (AesCryptoServiceProvider aesAlg = new AesCryptoServiceProvider())
    {
        aesAlg.Key = Key;
        aesAlg.IV = IV;

        // Create a decryptor to perform the stream transform.
        ICryptoTransform decryptor = aesAlg.CreateDecryptor(aesAlg.Key, aesAlg.IV);

        // Create the streams used for decryption.
        using (MemoryStream msDecrypt = new MemoryStream(cipherText))
        {
            using (CryptoStream csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read))
            {
                using (StreamReader srDecrypt = new StreamReader(csDecrypt))
                {

                    // Read the decrypted bytes from the decrypting stream
                    // and place them in a string.
                    plaintext = srDecrypt.ReadToEnd();
                }
            }
        }
    }

    return plaintext;
}
開發者ID:.NET開發者,項目名稱:System.Security.Cryptography,代碼行數:42,代碼來源:AesCryptoServiceProvider.CreateDecryptor


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