KeyParameter.cs :  » PDF » iTextSharp » Org » BouncyCastle » Crypto » Parameters » C# / CSharp Open Source

using System;

using Org.BouncyCastle.Crypto;

namespace Org.BouncyCastle.Crypto.Parameters{
    public class KeyParameter
    : ICipherParameters
    {
        private readonly byte[] key;

    public KeyParameter(
      byte[] key)
    {
      if (key == null)
        throw new ArgumentNullException("key");

      this.key = (byte[]) key.Clone();
    }

    public KeyParameter(
            byte[]  key,
            int    keyOff,
            int    keyLen)
        {
      if (key == null)
        throw new ArgumentNullException("key");
      if (keyOff < 0 || keyOff > key.Length)
        throw new ArgumentOutOfRangeException("keyOff");
      if (keyLen < 0 || (keyOff + keyLen) > key.Length)
        throw new ArgumentOutOfRangeException("keyLen");

      this.key = new byte[keyLen];
            Array.Copy(key, keyOff, this.key, 0, keyLen);
        }

    public byte[] GetKey()
        {
      return (byte[]) key.Clone();
        }
    }

}