ClassID:

195437

G09C1/02 - CPC Classification

Classification description:

Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system by using a ciphering code in chart form

Recent Application in this class:
#1
20250036816
2025-01-30

Efficient and Secure Data Handling Using Domain-Oriented Masking

#2
20240333491
2024-10-03

AUTHENTICATION DEVICE, AUTHENTICATION METHOD, AND RECORDING MEDIUM

#3
20210248154
2021-08-12

Ranking and de-ranking data strings

#4
20200412536
2020-12-31

Registration device, server device, searchable encryption system, and searchable encryption method

#5
20200252197
2020-08-06

BitMap lattice: a cyber tool comprised of geometric construction

#6
20200234296
2020-07-23

Long-term offline management of cryptographic parameters

#7
20170186342
2017-06-29

Sentence recognition device, sentence recognition method, and recording medium

#8
20110296165
2011-12-01

INFORMATION PROCESSING APPARATUS, TRANSMISSION INFORMATION ENCRYPTION METHOD, AND TRANSMISSION INFORMATION ENCRYPTION PROGRAM

#9
20110194686
2011-08-11

Method of encrypting and transmitting data and system for transmitting encrypted data

#10
20080301431
2008-12-04

TEXT SECURITY METHOD

#11
20080112559
2008-05-15

Substitution cipher text-encoding and un-encoding software and method

#12
20070064933
2007-03-22

Method of symmetric key data encryption

#13
20060098841
2006-05-11

Method and system for enabling remote message composition

#14
20060031174
2006-02-09

Method of authentication and indentification for computerized and networked systems

#15
20060020559
2006-01-26

System for authentication and identification for computerized and networked systems

#16
20060018467
2006-01-26

Device for authentication and identification for computerized and networked systems

#17
20050152538
2005-07-14

Method of encrypting and transmitting data and system for transmitting encrypted data

#18
20050129228
2005-06-16

Modular computerized encryption scheme

#19
20050031120
2005-02-10

Denial featured cryptography