Transposition Cipher

Author Transposition Cipher:

JBO Software

Licence:

Freeware

Updated:

29.07.2009

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Description Transposition Cipher:
Transposition Cipher will allow the encryption and decryption of data using irregular columnar transposition. The Key button permits settting of a numeric key which is one dimension of the transposition rectangle and this must be set before you can encrypt or decrypt data (the other dimension is calculated automatically). Our implementation of this cipher can cope quite happily regardless of the ratio between the key and the data length, and will encrypt and decrypt data with a variable second dimension without difficulty.

Using the Open Plaintext or Open Ciphertext buttons on the tool bar, you may open a standard text (.txt) file or Transposition Cipher text (.tpc) file for processing. The size of the file in bytes, and the file name and path, are displayed on the status bar. Using the Close Plaintext or Close Ciphertext buttons, the data stores and displays are cleared.

Transposition Cipher is compatible with Windows XP 32-bit, Windows Vista 32-bit, Windows NT 4.0, Windows 9x, Windows 2003 32-bit, Windows 2000.