public static string ToBase64String(string value, Encoding encoding, bool omitPaddingCharacters = true)
{
if (encoding == null)
{
throw new ArgumentNullException("encoding");
}
var valueBuffer = encoding.GetBytes(value);
return(Base64Encoding.ToBase64String(valueBuffer, omitPaddingCharacters));
}
public static string FromBase64StringToEncoding(string value, Encoding encoding)
{
if (encoding == null)
{
throw new ArgumentNullException("encoding");
}
var buffer = Base64Encoding.FromBase64StringToBuffer(value);
return(encoding.GetString(buffer));
}
public static string ComputeHash(string value)
{
if (string.IsNullOrEmpty(value))
{
throw new ArgumentNullException("value");
}
var buffer = Encoding.UTF8.GetBytes(value);
var hash = ConcurrentMD5.ComputeHash(buffer);
return(Base64Encoding.ToBase64String(hash));
}
public static string ComputeHash(Stream inputStream)
{
if (inputStream == null)
{
throw new ArgumentNullException("inputStream");
}
if (ConcurrentSHA1.threadLocalSHA1 == null)
{
ConcurrentSHA1.threadLocalSHA1 = SHA1.Create();
}
var hashBuffer = ConcurrentSHA1.threadLocalSHA1.ComputeHash(inputStream);
return(Base64Encoding.ToBase64String(hashBuffer));
}
public static string ToBase64String(string value, bool omitPaddingCharacters = true)
{
return(Base64Encoding.ToBase64String(value, Encoding.UTF8, omitPaddingCharacters));
}
public static string FromBase64StringToUTF8(string value)
{
return(Base64Encoding.FromBase64StringToEncoding(value, Encoding.UTF8));
}