/// <summary>
/// Creates a SHA512 hash of the specified input.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="algo">algorithmName: MD5,SHA1,SHA256,SHA384,SHA512 default: SHA256</param>
/// <param name="key">key</param>
/// <param name="fromFile">是否是文件</param>
/// <returns>A hash</returns>
public static string HmacBase64(this string input, AlgorithmNameEnum algo = AlgorithmNameEnum.HMACSHA256, string key = null, bool fromFile = false)
{
if (input.IsMissing())
{
return(string.Empty);
}
if (fromFile && File.Exists(input))
{
using (FileStream fs = new FileStream(input, FileMode.Open))
{
return(fs.HmacBase64(algo, key));
}
}
using (var sha = HMAC.Create(algo.ToString()))
{
if (!string.IsNullOrEmpty(key))
{
sha.Key = Encoding.UTF8.GetBytes(key);
}
var bytes = Encoding.UTF8.GetBytes(input);
return(sha.ComputeHash(bytes).ToBase64());
}
}
/// <summary>
/// Creates a SHA512 hash of the specified input.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="algo">algorithmName: MD5,SHA1,SHA256,SHA384,SHA512 default: SHA256</param>
/// <returns>A hash.</returns>
public static string HmacBase64(this byte[] input, AlgorithmNameEnum algo = AlgorithmNameEnum.HMACSHA256)
{
if (input == null)
{
return(null);
}
using (var sha = HMAC.Create(algo.ToString()))
{
return(sha.ComputeHash(input).ToBase64());
}
}
/// <summary>
/// Creates a SHA512 hash of the specified input.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="algo">algorithmName: MD5,SHA1,SHA256,SHA384,SHA512 default: SHA256</param>
/// <returns>A hash</returns>
public static string HmacBase64(this Stream input, AlgorithmNameEnum algo = AlgorithmNameEnum.HMACSHA256)
{
if (input == null)
{
throw new ArgumentNullException(nameof(input));
}
using (var sha = HMAC.Create(algo.ToString()))
{
return(sha.ComputeHash(input).ToBase64());
}
}
/// <summary>
/// Creates a SHA512 hash of the specified input.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="algo">algorithmName: MD5,SHA1,SHA256,SHA384,SHA512 default: SHA256</param>
/// <param name="key">key</param>
/// <returns>A hash.</returns>
public static string HmacBase64(this byte[] input, AlgorithmNameEnum algo = AlgorithmNameEnum.HMACSHA256, string key = null)
{
if (input == null)
{
return(null);
}
using (var sha = HMAC.Create(algo.ToString()))
{
if (!string.IsNullOrEmpty(key))
{
sha.Key = Encoding.UTF8.GetBytes(key);
}
return(sha.ComputeHash(input).ToBase64());
}
}
/// <summary>
/// Creates a SHA512 hash of the specified input.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="algo">algorithmName: MD5,SHA1,SHA256,SHA384,SHA512 default: SHA256</param>
/// <param name="key">key</param>
/// <returns>A hash</returns>
public static string HmacBase64(this Stream input, AlgorithmNameEnum algo = AlgorithmNameEnum.HMACSHA256, string key = null)
{
if (input == null)
{
throw new ArgumentNullException(nameof(input));
}
using (var sha = HMAC.Create(algo.ToString()))
{
if (!string.IsNullOrEmpty(key))
{
sha.Key = Encoding.UTF8.GetBytes(key);
}
return(sha.ComputeHash(input).ToBase64());
}
}
/// <summary>
/// Creates a SHA512 hash of the specified input.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="algo">algorithmName: MD5,SHA1,SHA256,SHA384,SHA512 default: SHA256</param>
/// <param name="fromFile">是否是文件</param>
/// <returns>A hash</returns>
public static string Hmac(this string input, AlgorithmNameEnum algo = AlgorithmNameEnum.HMACSHA256, bool fromFile = false)
{
if (input.IsMissing())
{
return(string.Empty);
}
if (fromFile && File.Exists(input))
{
using (FileStream fs = new FileStream(input, FileMode.Open))
{
return(fs.Hmac(algo));
}
}
using (var sha = HMAC.Create(algo.ToString()))
{
var bytes = Encoding.UTF8.GetBytes(input);
return(sha.ComputeHash(bytes).Tox2String());
}
}
