private BlowfishAlgorithm(byte[] key, byte[] iv, bool useCBC, bool isEncryptor)
        {
            if (null == key)
            {
                GenerateKey();
            }
            else
            {
                Key = key;
            }

            if (useCBC)
            {
                IV = this.origIV = iv;

                this.bfc = new BlowfishCBC(KeyValue, 0, KeyValue.Length);
                this.bfc.SetIV(IVValue, 0);
            }
            else
            {
                this.bfe = new BlowfishECB(KeyValue, 0, KeyValue.Length);
            }

            this.isEncryptor = isEncryptor;
        }
Ejemplo n.º 2
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        private BlowfishAlgorithm(byte[] key, byte[] iv, bool useCBC, bool isEncryptor)
        {
            if (null == key)
            {
                GenerateKey();
            }
            else
            {
                Key = key;
            }

            if (useCBC)
            {
                IV = this.origIV = iv;

                this.bfc = new BlowfishCBC(KeyValue, 0, KeyValue.Length);
                this.bfc.SetIV(IVValue, 0);
            }
            else
            {
                this.bfe = new BlowfishECB(KeyValue, 0, KeyValue.Length);
            }

            this.isEncryptor = isEncryptor;
        }
Ejemplo n.º 3
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        /// <summary>Creates a new BlowfishEasy instance. Notice that this ctor
        /// supports only the new way of how string are set up. There is no support
        /// for the old BlowfishJ key setup available right now (which had a
        /// design flaw by not using the full Unicode character space).</summary>
        /// <param name="password">The password used for encryption and decryption.</param>
        public BlowfishEasy(String password)
        {
            int c = password.Length;

            byte[] passw = new byte[c << 1];

            for (int i = 0, j = 0; i < c; i++)
            {
                int chr = (int)password[i];
                passw[j++] = (byte)((chr >> 8) & 0x0ff);
                passw[j++] = (byte)(chr & 0x0ff);
            }

            SHA1 sha = new SHA1Managed();

            byte[] key = sha.ComputeHash(passw);

            this.bfc = new BlowfishCBC(key, 0, key.Length);
        }
        /// <summary>Creates a new BlowfishEasy instance. Notice that this ctor
        /// supports only the new way of how string are set up. There is no support
        /// for the old BlowfishJ key setup available right now (which had a
        /// design flaw by not using the full Unicode character space).</summary>
        /// <param name="password">The password used for encryption and decryption.</param>
        public BlowfishEasy(String password)
        {
            int c = password.Length;

            byte[] passw = new byte[c << 1];

            for (int i = 0, j = 0; i < c; i++)
            {
                int chr = (int)password[i];
                passw[j++] = (byte)((chr >> 8) & 0x0ff);
                passw[j++] = (byte)( chr       & 0x0ff);
            }

            SHA1 sha = new SHA1Managed();

            byte[] key = sha.ComputeHash(passw);

            this.bfc = new BlowfishCBC(key, 0, key.Length);
        }
        /// <see cref="BlowfishNET.BlowfishECB.Clone"/>
        public new object Clone()
        {
            BlowfishCBC result;

            result = new BlowfishCBC();

            result.pbox = (uint[]) this.pbox.Clone();

            result.sbox1 = (uint[]) this.sbox1.Clone();
            result.sbox2 = (uint[]) this.sbox2.Clone();
            result.sbox3 = (uint[]) this.sbox3.Clone();
            result.sbox4 = (uint[]) this.sbox4.Clone();

            result.block = (byte[]) this.block.Clone();

            result.isWeakKey = this.isWeakKey;

            result.ivHi = this.ivHi;
            result.ivLo = this.ivLo;

            return result;
        }
        /// <see cref="BlowfishNET.BlowfishECB.Clone"/>
        public new object Clone()
        {
            BlowfishCBC result;

            result = new BlowfishCBC();

            result.pbox = (uint[])this.pbox.Clone();

            result.sbox1 = (uint[])this.sbox1.Clone();
            result.sbox2 = (uint[])this.sbox2.Clone();
            result.sbox3 = (uint[])this.sbox3.Clone();
            result.sbox4 = (uint[])this.sbox4.Clone();

            result.block = (byte[])this.block.Clone();

            result.isWeakKey = this.isWeakKey;

            result.ivHi = this.ivHi;
            result.ivLo = this.ivLo;

            return(result);
        }