I is a number Cipher that consists of the 26 letters of the alphabet being coded each by number a-1, b-2, and so on cipher's.
In a route cipher, the plaintext is first written out in a grid of given dimensions, then read off in a pattern given in the key. For example, using the same plaintext that we used for rail fence : The key might specify spiral inwards, clockwise, starting from the top right. The Rail Fence cipher is a form of transposition cipher that gets its name from the way in which it is encoded. In the rail fence cipher, the plaintext is written downwards on successive rails of an imaginary fence, then moving up when we get to the bottom. The message is then read off in rows IllegalBlockSizeException-if this cipher is a block cipher, no padding has been requested (only in encryption mode), and the total input length of the data processed by this cipher is not a multiple of block size; or if this encryption algorithm is unable to process the input data provided. the wrapped key. Throws: IllegalStateException-if this cipher is in a wrong state (e.g., has not been initialized). IllegalBlockSizeException-if this cipher is a block cipher, no padding has been requested, and the length of the encoding of the key to be wrapped is not a multiple of the block size. 7. Cipher's. There are a number of different code ciphers for different things in gaming, like message encryption and simple secrete lettering between senders. One of the most simple of ciphers is a number Cipher that consists of the 26 letters of the alphabet being coded each by number a-1, b-2, and so on /k: Creates a new file encryption key for the user running cipher. If you use this option, cipher ignores all of the other options. /u: Updates the user's file encryption key or recovery agent's key to the current ones in all of the encrypted files on local drives (that is, if the keys have been changed).  vs. Check Point Pointsec. A block cipher is a method of encrypting text (to produce ciphertext) in which a cryptographic key and algorithm are applied to a block of data (for example, 64 contiguous bits) at once as a group rather than to one bit at a time. The main alternative method, used much less frequently, is called the stream cipher.  cipher. n. 1. a method of secret writing using substitution or transposition of letters according to a key. 2. a secret message. 3. the key to a secret message. 4. (Mathematics) an obsolete name for zero 1. 5. cipher. Any cryptographic system in which arbitrary symbols (or groups of symbols) represent units of plain text of regular length, usually single letters; units of plain text are rearranged; or both, in accordance with certain predetermined rules. vs. Check Point Pointsec. A cipher (pronounced SAI-fuhr) is any method of encrypting text (concealing its readability and meaning). It is also sometimes used to refer to the encrypted text message itself although here the term ciphertext is preferred. Its origin is the Arabic sifr, meaning empty or zero. In addition to the cryptographic meaning, cipher also means (1) someone insignificant, and (2) a combination of symbolic letters as in an entwined weaving of letters for a monogram. 
https://en.wikipedia.org/wiki/Transposition_cipher http://docs.oracle.com/javase/7/docs/api/javax/crypto/Cipher.html http://www.urbandictionary.com/define.php?term=Cipher https://technet.microsoft.com/en-us/library/bb490878.aspx http://searchsecurity.techtarget.com/definition/block-cipher http://www.thefreedictionary.com/cipher http://searchsecurity.techtarget.com/definition/cipher
what is a cipher