/// <summary>
/// Gets a SHA hash on the input data of the selected SHA encryption level.
/// </summary>
/// <param name="data">The byte array to get the hash on, or null if
/// <i>text</i> contains the data.</param>
/// <param name="text">The text to get the hash on, or null if
/// <i>data</i> contains the data.</param>
/// <param name="shaLevel">The SHA encryption level.</param>
public static byte[] GetSHAHash(byte[] data, string text, SHALevel shaLevel)
{
if (text.NotNulle())
{
data = Encoding.UTF8.GetBytes(text);
}
else
if (data == null)
{
throw new ArgumentNullException(); // this could mean text param was wrongly null
}
// data is now properly set (whether it started as text or not)
switch (shaLevel)
{
case SHALevel.SHA256:
return(SHA256.Create().ComputeHash(data));
case SHALevel.SHA1:
return(SHA1.Create().ComputeHash(data));
case SHALevel.SHA384:
return(SHA384.Create().ComputeHash(data));
case SHALevel.SHA512:
return(SHA512.Create().ComputeHash(data));
default:
return(SHA256.Create().ComputeHash(data));
}
}
/// <summary>
/// Gets a SHA hash on the input data of the selected SHA encryption level
/// and returns the resultant hash as a hexstring.
/// </summary>
/// <param name="data">The input data byte array, or null if sending in text.</param>
/// <param name="text">The input text, or null if sending in data byte array.</param>
/// <param name="shaLevel">The SHA encryption level.</param>
/// <param name="lowerCase">Case of hex.</param>
public static string GetSHAHashString(byte[] data, string text, SHALevel shaLevel, bool lowerCase = false)
{
byte[] hash = GetSHAHash(data, text, shaLevel);
return(hash.ToHexString(lowerCase));
//return ByteArrayToHexString();
}
public static string GetSHAString(this byte[] data, SHALevel shaLevel = SHALevel.SHA256, bool lowerCase = false)
{
return(XHash.GetSHAHashString(data, null, shaLevel, lowerCase));
}
public static byte[] GetSHA(this byte[] data, SHALevel shaLevel = SHALevel.SHA256)
{
return(XHash.GetSHAHash(data, null, shaLevel));
}
/// <summary>
/// Gets a SHA256 hash on this string after encoding it into UTF-8 encoding.
/// A hexadecimal string representing the hash (byte array) is returned.
/// </summary>
/// <param name="text">The string to get the SHA256 hash on.</param>
/// <param name="shaLevel">SHALevel</param>
/// <param name="lowerCase">Case of hex.</param>
public static string GetSHAString(this string text, SHALevel shaLevel = SHALevel.SHA256, bool lowerCase = false)
{
return(XHash.GetSHAHashString(null, text, shaLevel, lowerCase));
}
/// <summary>
/// Gets a SHA256 hash on this string after encoding it into UTF-8 encoding.
/// The hash (byte array) is returned.
/// </summary>
/// <param name="text">The string to get the SHA256 hash on.</param>
/// <param name="shaLevel">SHALevel</param>
public static byte[] GetSHA(this string text, SHALevel shaLevel = SHALevel.SHA256)
{
return(XHash.GetSHAHash(null, text, shaLevel));
}
