Patent ID: 8839003

Claim:
An information management system for managing data on a computer, the system comprising: a color-based encrypting means for encrypting a file by an information substitution-type conversion function or an information conversion-type conversion function into an encrypted file, a selected conversion function converting at least a portion of information stored in the file into at least one of a color name (C) or a numerical value representing a color (N); a data storage memory which stores the encrypted file, a color-based decrypting means, which has a conversion function which is an inverse of the conversion function of the color-based encrypting means, a working memory, and an information managing means for: enabling the display and viewing of or performing an operation on the encrypted file, which is stored in the data storage memory, by decrypting the encrypted file by the color-based decrypting means into an editable file, and storing the editable file in the working memory, performing editing or execution of the editable file, and converting the editable file by the color-based encrypting means into a new encrypted file and storing the new encrypted file in the data storage memory, the data storage memory further provided with an information management file which controls the processing of encrypted data at the information managing means.