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Cryptography > Communication System Using Cryptography > Data Stream/substitution Enciphering > Key Sequence Signal Combined With Data Signal Key Sequence Signal Combined With Data SignalKey Sequence Signal Combined With Data Signal patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/08/07 - 20070258584 - System and method for processing messages with encryptable message parts A system and method for processing messages with encryptable message parts. When constructing an encoded message, an encryption key of a plurality of identified encryption keys is used to encrypt message data of a message part. A key identifier is associated with the message part and identifies the encryption key ... 06/07/07 - 20070127716 - Text-input device and method A text-input device and method is provided. The device includes a display unit that displays a user interface, which is divided into a plurality of areas each including a plurality of cells where predetermined text is displayed, an input unit that includes a plurality of text-input units to provide a ... 04/05/07 - 20070076867 - System and method for securing document transmittal The present invention is directed to a system and method for secure transmission of electronic document data on a network. The method begins with the receipt of user identification data associated with the identity of a user of document processing devices on the associated network. A password key, composed of ... 04/27/06 - 20060088158 - Method and system for processing a data set A method and system for processing a data set. More particularly, the present invention provides a method and system for encrypting or decrypting a data set so that the data set remains entirely in the ASCII printable range. The method and system of the present invention allow a key of ... 03/09/06 - 20060050875 - Apparatus and method for recognizing a failure of a cryptographic unit An apparatus for recognizing a failure in a cryptographic unit, wherein the cryptographic unit includes a determinator for determining an input control signal and an output control signal, with the determinator being formed to determine the input control signal on the basis of an encryption of an input control signal ... 01/12/06 - 20060008086 - Image encryption method and visual decryption device A method of encoding a graphical message (220, 221) based on a key sequence as an encoded sequence of information units. For each pixel of the message, said pixel having a normalized intensity I, a total rotation α which results in a liquid crystal display in a pixel with substantially ... 06/23/05 - 20050135613 - Device and method for generating encrypted data, for decrypting encrypted data and for generating re-signed data Devices and methods for generating encrypted data, for playing encrypted data and for re-signing originally signed encrypted data are based on the encrypted data, apart from the encrypted media information, to include the information required for decrypting the data and additionally a signature of who has generated the encrypted data. ... 06/23/05 - 20050135612 - Secure digital communication A secure digital data transmission technique in which a transmitter and a receiver, are connected by two or more transmission channels, preferably carried on separate optical fibers. The transmitter includes a switch operable to divide a datastream to be transmitted into segments each comprising from a few tens to a ... ### FreshPatents.com Support |