/// <summary>
/// 加密
/// </summary>
/// <param name="value">待加密的值</param>
/// <param name="key">密钥</param>
/// <param name="iv">加密偏移量</param>
/// <param name="salt">加盐</param>
/// <param name="outType">输出类型，默认为<see cref="OutType.Base64"/></param>
/// <param name="encoding">编码类型，默认为<see cref="Encoding.UTF8"/></param>
/// <param name="keySize">密钥长度类型，默认为<see cref="AESKeySizeType.L256"/></param>
/// <returns></returns>
public static string Encrypt(string value, string key, string iv = null, string salt = null,
OutType outType = OutType.Base64,
Encoding encoding = null, AESKeySizeType keySize = AESKeySizeType.L256)
{
if (string.IsNullOrEmpty(value))
{
throw new ArgumentNullException(nameof(value));
}
if (string.IsNullOrEmpty(key))
{
throw new ArgumentNullException(nameof(key));
}
if (encoding == null)
{
encoding = Encoding.UTF8;
}
var result = EncryptCore <AesCryptoServiceProvider>(encoding.GetBytes(value),
ComputeRealValueFunc()(key)(salt)(encoding)((int)keySize),
ComputeRealValueFunc()(iv)(salt)(encoding)(128));
if (outType == OutType.Base64)
{
return(Convert.ToBase64String(result));
}
return(result.ToHexString());
}
/// <summary>
/// 创建 AES 密钥
/// </summary>
/// <param name="size">密钥长度类型，默认为<see cref="AESKeySizeType.L256"/></param>
/// <param name="encoding">编码类型，默认为<see cref="Encoding.UTF8"/></param>
/// <returns></returns>
public static AESKey CreateKey(AESKeySizeType size = AESKeySizeType.L256, Encoding encoding = null)
{
if (encoding == null)
{
encoding = Encoding.UTF8;
}
using (var provider = new AesCryptoServiceProvider()
{
KeySize = (int)size
})
{
return(new AESKey()
{
Key = encoding.GetString(provider.Key),
IV = encoding.GetString(provider.IV),
Size = size
});
}
}