Return a SHA1 hexa encoded string (See related posts)

public static string SHA1_ComputeHexaHash (string text) {
	// Gets the SHA1 hash for text
	SHA1 sha1 = new SHA1CryptoServiceProvider();
	byte[] data = Encoding.Default.GetBytes(text);
	byte[] hash = sha1.ComputeHash(data);
	// Transforms as hexa
	string hexaHash = "";
	foreach (byte b in hash) {
		hexaHash += String.Format("{0:x2}", b);
	}
	// Returns SHA1 hexa hash
	return hexaHash;
}