Patents
Sitemap › G06 - Computing; Calculating; Counting › G06F - Electric digital data processing › G06F 21 - Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
Patents for G06F 21 - Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity (119,294)
03/1982
03/30/1982CA1121013A1 Cryptographic file security for multiple domain networks
03/09/1982US4319079 Crypto microprocessor using block cipher
02/1982
02/03/1982EP0044866A1 Digital computer
01/1982
01/12/1982US4310720 Computer accessing system
01/06/1982EP0043027A1 Electronic signature verification method and system
12/1981
12/15/1981US4306289 Digital computer having code conversion apparatus for an encrypted program
11/1981
11/25/1981EP0040198A1 Computer system
10/1981
10/27/1981CA1111563A1 Method for authenticating the identity of a user of an information system
10/13/1981US4295041 Device for the protection of access to a permanent memory of a portable data carrier
09/1981
09/22/1981US4291237 Anti-theft system for automotive vehicles
09/09/1981EP0035448A1 Method and system for transmitting confidential information
09/03/1981WO1981002480A1 Memory addressing apparatus and method
08/1981
08/20/1981WO1981002351A1 Digital computer
08/19/1981EP0033833A2 Transaction execution system, method of operating such a system and terminal for use in such a system
07/1981
07/14/1981US4278837 Crypto microprocessor for executing enciphered programs
06/1981
06/17/1981EP0030381A2 Process and apparatus for the manufacture of documents protected against counterfeiting and misuse, and document used therein
06/16/1981CA1103362A1 Program protection module for programmable controller
06/02/1981US4271482 Data processing system which protects the secrecy of confidential data
06/02/1981CA1102453A1 Computer accessing system
06/02/1981CA1102421A1 Security controlled information exchange system
05/1981
05/20/1981EP0028817A1 Secure implementation of transition machine computer
05/14/1981WO1981001341A1 Secure implementation of transition machine computer
05/12/1981US4267578 Calculator system with anti-theft feature
05/05/1981CA1100588A1 Message verification and transmission error detection by block chaining
04/1981
04/28/1981US4264782 Method and apparatus for transaction and identity verification
04/16/1981WO1981001063A1 Computer system
04/15/1981EP0027058A1 Computer system
04/14/1981US4262337 Portable calculator incorporating an anti-theft feature
04/14/1981US4262329 Security system for data processing
04/08/1981EP0026590A2 Improved memory protection system using capability registers
04/08/1981EP0026589A2 Multi-programming data processing system process suspension
01/1981
01/20/1981US4246638 Method and apparatus for controlling usage of a programmable computing machine
01/07/1981EP0021401A1 A method and apparatus for transaction and identity verification
12/1980
12/30/1980CA1092716A1 Key register controlled accessing system
12/23/1980US4241396 Tagged pointer handling apparatus
12/09/1980US4238854 Cryptographic file security for single domain networks
12/09/1980US4238853 Cryptographic communication security for single domain networks
11/1980
11/25/1980CA1090475A1 Automatic pattern processing system
11/12/1980EP0018889A1 Process for prolonging the validity of the memory working zone of a data carrier
10/1980
10/07/1980CA1087313A1 Banking system
09/1980
09/09/1980CA1085517A1 Hardware control storage area protection method and means
08/1980
08/19/1980US4218738 Method for authenticating the identity of a user of an information system
08/19/1980US4218582 Public key cryptographic apparatus and method
07/1980
07/08/1980US4211919 Portable data carrier including a microprocessor
06/1980
06/24/1980CA1080365A1 Data security system employing automatic time stamping mechanism
06/11/1980EP0012016A1 Memory access control
05/1980
05/27/1980CA1078526A1 Location dependence for assuring the security of system-control operations
05/20/1980CA1078068A1 Address key register load/store instruction system
05/13/1980US4203166 Cryptographic file security for multiple domain networks
04/1980
04/30/1980EP0010186A1 Apparatus for handling tagged pointers
04/08/1980CA1075367A1 Non-translatable storage protection control system
03/1980
03/19/1980EP0008737A2 Text processing unit
03/11/1980US4193061 Electronic authentication system
02/1980
02/20/1980EP0008033A1 Microprocessor for executing enciphered programs
02/12/1980CA1071771A1 Operating system authenticator
01/1980
01/15/1980US4184201 Integrating processor element
01/15/1980US4184200 Integrating I/O element
01/08/1980US4183085 Protection of data processing system against unauthorized programs
12/1979
12/12/1979EP0006010A1 Anti-theft system for automotive vehicles
11/1979
11/14/1979EP0005179A2 Authenticating the identity of a user of an information system
09/1979
09/18/1979US4168396 Microprocessor for executing enciphered programs
06/1979
06/27/1979EP0002579A1 A method of creating a secure data file
06/27/1979EP0002578A1 Data communication method
06/13/1979EP0002390A1 Method for cryptographic file security in multiple domain data processing systems
04/1979
04/24/1979US4151512 Automatic pattern processing system
02/1979
02/20/1979CA1048935A1 Block cipher system for data security
02/13/1979US4139893 Calculator program security system
02/13/1979US4139864 Security system for a solid state device
01/1979
01/30/1979CA1047407A1 Programmable cryptic device for enciphering and deciphering data
01/23/1979CA1046942A1 Product block cipher system for data security
01/16/1979US4135240 Protection of data file contents
12/1978
12/05/1978US4128874 Method and apparatus for preventing erroneous data transfer from a digital computer
10/1978
10/10/1978US4120030 Computer software security system
10/03/1978US4118789 Program protection module for programmable controller
09/1978
09/12/1978US4114139 Security controlled information exchange system
08/1978
08/01/1978US4104721 Hierarchical security mechanism for dynamically assigning security levels to object programs
07/1978
07/25/1978US4103289 Calculator theft prevention device
06/1978
06/06/1978US4093987 Hardware control storage area protection method and means
05/1978
05/30/1978US4092524 Systems for storing and transferring data
05/02/1978US4087856 Location dependence for assuring the security of system-control operations
02/1978
02/14/1978US4074066 Message verification and transmission error detection by block chaining
08/1977
08/16/1977US4042913 Address key register load/store instruction system
08/02/1977US4040034 Data security system employing automatic time stamping mechanism
07/1977
07/26/1977US4038645 Non-translatable storage protection control system
07/19/1977US4037214 Key register controlled accessing system
05/1977
05/24/1977US4025905 System for on-line processing of banking transactions
01/1977
01/25/1977US4005386 Clearing system
01/18/1977US4004089 Programmable cryptic device for enciphering and deciphering data
12/1976
12/07/1976US3996449 Operating system authenticator
10/1976
10/26/1976US3988721 Plug-in type program storage
10/05/1976US3984637 Computer terminal security system
06/1976
06/08/1976US3962539 Product block cipher system for data security
05/1976
05/18/1976US3958081 Block cipher system for data security
01/1976
01/06/1976US3931504 Electronic data processing security system and method
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