public string decryptString(string encrypted) { byte[] iv = getbytes("12345678"); byte[] plain = getbytes(encrypted); byte[] decrypted = new byte[plain.Length]; Array.Clear(decrypted, 0, decrypted.Length); byte[] key = getbytes("p1zz@p1zz@p1zz@p1zz@p1zz@p1zz@p1"); BlowfishCBC bfc = new BlowfishCBC(); bfc.IV = iv; bfc.Initialize(key, 0, key.Length); bfc.Decrypt(plain, 0, decrypted, 0, plain.Length); return(getstring(decrypted)); }
public static void TestBlowfishCBC() { String sDemo = "The Blowfish encryption algorithm was introduced in 1994."; System.Console.WriteLine(sDemo); byte[] ptext = StringToBlocks(sDemo); byte[] key = new byte[16]; byte bI; for (bI = 0; bI < key.Length; bI++) { key[bI] = bI; } byte[] iv = new byte[Blowfish.BLOCKSIZE]; for (bI = 0; bI < iv.Length; bI++) { iv[bI] = (byte)bI; } BlowfishCBC bfc = new BlowfishCBC(key, iv); byte[] ctext = new byte[ptext.Length]; bfc.Encrypt(ptext, ctext, 0, 0, ptext.Length); System.Console.WriteLine(BlocksToString(ctext)); bfc.Iv = iv; bfc.Decrypt(ctext, ctext, 0, 0, ctext.Length); bfc.Burn(); System.Console.WriteLine(BlocksToString(ctext)); }