Patents in the field of Text Encryption

• Encryption device, includes first encryption unit for sending second encryption key to second encryption unit with output for encrypted text

• Encryption device, used to encrypt information packets comprising non encrypted text data block and block header

• Communication network for encrypting/deciphering communication text while updating encryption key, a communication terminal thereof, and a communication method thereof

• Encryption Generator, Electronic Device using Encryption Generating Program, Storage Medium, and Encrypted Text Decoder

• A method and network for communicating between a group of entities a text encrypted using an encryption key intrinsic to the group of entities in a network having a plurality of entities and a center

• Encryption Method, Decryption Method, Authentication Method, Encryption Apparatus, Decryption Apparatus, Authentication Apparatus, Authentication Text Transmitter Apparatus, Encryption Text Receiver Apparatus, Cipher Communication System and Authenticatio

• Cryptographic communication defined by the encryption text/key relationship

• Text Type Encryption Program

• High security data encryption and decryption controller for electronic monetary transfers has CPU, ROM, RAM input/output interface and encryption/decryption and clear text writing section on a single semiconductor chip without a data bus