/// <summary>
/// AES加密（BouncyCastle模式）
/// </summary>
/// <param name="aes"></param>
/// <param name="str">待加密的字符串</param>
/// <param name="encoding">待加密的字符串编码格式</param>
/// <param name="mode">加密模式</param>
/// <param name="padding">填充算法</param>
/// <param name="key">密钥</param>
/// <param name="iv">向量</param>
/// <returns>base64编码格式加密字符串</returns>
public static string EncryptBC(this System.Security.Cryptography.Aes aes,
string str, Encoding encoding, CipherModeBC mode, CipherPaddingBC padding, byte[] key = null, byte[] iv = null)
{
var data = encoding.GetBytes(str);
var result = aes.EncryptBC(data, mode, padding, key, iv);
return(Convert.ToBase64String(result));
}
/// <summary>
/// AES加解密（BouncyCastle模式）
/// </summary>
/// <param name="aes"></param>
/// <param name="forEncryption">是否加密（false为解密）</param>
/// <param name="data">待加解密的数据</param>
/// <param name="mode">加解密模式</param>
/// <param name="padding">填充算法</param>
/// <param name="key">密钥</param>
/// <param name="iv">向量</param>
/// <returns>加解密后数据</returns>
public static byte[] CryptoBC(this System.Security.Cryptography.Aes aes,
bool forEncryption, byte[] data, CipherModeBC mode, CipherPaddingBC padding, byte[] key, byte[] iv)
{
return(aes.CryptoBC(forEncryption, data, $"AES/{mode}/{padding}", key, iv));
}
/// <summary>
/// AES解密（BouncyCastle模式）
/// </summary>
/// <param name="aes"></param>
/// <param name="data">待解密的数据</param>
/// <param name="mode">解密模式</param>
/// <param name="padding">填充算法</param>
/// <param name="key">密钥</param>
/// <param name="iv">向量</param>
/// <returns>解密后数据</returns>
public static byte[] DecryptBC(this System.Security.Cryptography.Aes aes,
byte[] data, CipherModeBC mode, CipherPaddingBC padding, byte[] key = null, byte[] iv = null)
{
return(aes.CryptoBC(false, data, mode, padding, key, iv));
}
/// <summary>
/// AES解密（BouncyCastle模式）
/// </summary>
/// <param name="aes"></param>
/// <param name="str">待解密的字符串（base64编码格式）</param>
/// <param name="mode">解密模式</param>
/// <param name="padding">填充算法</param>
/// <param name="key">密钥</param>
/// <param name="iv">向量</param>
/// <returns>UTF8编码解密字符串</returns>
public static string DecryptBC(this System.Security.Cryptography.Aes aes,
string str, CipherModeBC mode, CipherPaddingBC padding, byte[] key = null, byte[] iv = null)
{
return(aes.DecryptBC(str, Encoding.UTF8, mode, padding, key, iv));
}
