internal Base64Encoding(char[] alphabet, char padding, string encodingName, bool verify)
{
if (verify)
{
if (alphabet == null)
{
throw new ArgumentNullException("alphabet", "alphabet is null");
}
if (encodingName == null)
{
throw new ArgumentNullException("encodingName", "encodingName is null");
}
if (alphabet.Length != 64)
{
throw new ArgumentOutOfRangeException("alphabet", "size of alphabet is not 64");
}
if (ArrayFunctions.IsArrayDuplicate(alphabet))
{
throw new ArgumentException("alphabet", "alphabet contains duplicated items");
}
if (ArrayFunctions.IsArrayContains(alphabet, padding))
{
throw new ArgumentException("padding", "padding already existed in alphabet");
}
}
this.alphabet = (char[])alphabet.Clone();
this.padding = padding;
this.encodingName = encodingName;
this.InitAlgorithm(this.alphabet, this.padding);
}