WO1999014881A3 - Cryptographic co-processor - Google Patents
Cryptographic co-processor Download PDFInfo
- Publication number
- WO1999014881A3 WO1999014881A3 PCT/US1998/019316 US9819316W WO9914881A3 WO 1999014881 A3 WO1999014881 A3 WO 1999014881A3 US 9819316 W US9819316 W US 9819316W WO 9914881 A3 WO9914881 A3 WO 9914881A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- processor
- dsp
- encryption
- cryptographic
- digital signal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0485—Networking architectures for enhanced packet encryption processing, e.g. offloading of IPsec packet processing or efficient security association look-up
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/72—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/74—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information operating in dual or compartmented mode, i.e. at least one secure mode
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
- G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
- G06F9/3877—Concurrent instruction execution, e.g. pipeline or look ahead using a slave processor, e.g. coprocessor
- G06F9/3879—Concurrent instruction execution, e.g. pipeline or look ahead using a slave processor, e.g. coprocessor for non-native instruction execution, e.g. executing a command; for Java instruction set
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
- G09C1/00—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/16—Implementing security features at a particular protocol layer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
- H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/321—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving a third party or a trusted authority
- H04L9/3213—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving a third party or a trusted authority using tickets or tokens, e.g. Kerberos
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/04—Masking or blinding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/12—Details relating to cryptographic hardware or logic circuitry
- H04L2209/125—Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/20—Manipulating the length of blocks of bits, e.g. padding or block truncation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Software Systems (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
- Storage Device Security (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002303297A CA2303297C (en) | 1997-09-16 | 1998-09-16 | Cryptographic co-processor |
AU10609/99A AU1060999A (en) | 1997-09-16 | 1998-09-16 | Cryptographic co-processor |
EP98953170A EP1013026A4 (en) | 1997-09-16 | 1998-09-16 | Cryptographic co-processor |
Applications Claiming Priority (20)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5984397P | 1997-09-16 | 1997-09-16 | |
US5984597P | 1997-09-16 | 1997-09-16 | |
US5984497P | 1997-09-16 | 1997-09-16 | |
US5984097P | 1997-09-16 | 1997-09-16 | |
US5984197P | 1997-09-16 | 1997-09-16 | |
US5983997P | 1997-09-16 | 1997-09-16 | |
US5984797P | 1997-09-16 | 1997-09-16 | |
US5908297P | 1997-09-16 | 1997-09-16 | |
US5984297P | 1997-09-16 | 1997-09-16 | |
US5984697P | 1997-09-16 | 1997-09-16 | |
US60/059,845 | 1997-09-16 | ||
US60/059,082 | 1997-09-16 | ||
US60/059,839 | 1997-09-16 | ||
US60/059,844 | 1997-09-16 | ||
US60/059,842 | 1997-09-16 | ||
US60/059,846 | 1997-09-16 | ||
US60/059,841 | 1997-09-16 | ||
US60/059,843 | 1997-09-16 | ||
US60/059,847 | 1997-09-16 | ||
US60/059,840 | 1997-09-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1999014881A2 WO1999014881A2 (en) | 1999-03-25 |
WO1999014881A3 true WO1999014881A3 (en) | 1999-07-22 |
Family
ID=27580864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/019316 WO1999014881A2 (en) | 1997-09-16 | 1998-09-16 | Cryptographic co-processor |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1013026A4 (en) |
AU (1) | AU1060999A (en) |
CA (3) | CA2303297C (en) |
WO (1) | WO1999014881A2 (en) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19752615C1 (en) * | 1997-11-27 | 1999-04-08 | Siemens Nixdorf Inf Syst | Data loading method for basic routines in data processing system |
US6088800A (en) | 1998-02-27 | 2000-07-11 | Mosaid Technologies, Incorporated | Encryption processor with shared memory interconnect |
US6820203B1 (en) | 1999-04-07 | 2004-11-16 | Sony Corporation | Security unit for use in memory card |
US6708272B1 (en) | 1999-05-20 | 2004-03-16 | Storage Technology Corporation | Information encryption system and method |
GB2353676A (en) * | 1999-08-17 | 2001-02-28 | Hewlett Packard Co | Robust encryption and decryption of packetised data transferred across communications networks |
WO2001029652A2 (en) * | 1999-10-20 | 2001-04-26 | Accelerated Encryption Processing Limited | A cryptographic accelerator |
US6928162B1 (en) | 2000-04-07 | 2005-08-09 | International Business Machines Corporation | Method and system for manipulating and telescoping a hash function |
US20020061107A1 (en) | 2000-09-25 | 2002-05-23 | Tham Terry K. | Methods and apparatus for implementing a cryptography engine |
US20020078342A1 (en) | 2000-09-25 | 2002-06-20 | Broadcom Corporation | E-commerce security processor alignment logic |
DE10056989A1 (en) * | 2000-11-17 | 2002-05-23 | Secware Technologies Ag | Application-specific integrated circuit for encoding and decoding data streams has PCMCIA interface connectable to card storing key information |
US7360076B2 (en) * | 2001-06-13 | 2008-04-15 | Itt Manufacturing Enterprises, Inc. | Security association data cache and structure |
US7249255B2 (en) | 2001-06-13 | 2007-07-24 | Corrent Corporation | Apparatus and method for a hash processing system using multiple hash storage areas |
US7266703B2 (en) * | 2001-06-13 | 2007-09-04 | Itt Manufacturing Enterprises, Inc. | Single-pass cryptographic processor and method |
US7240203B2 (en) * | 2001-07-24 | 2007-07-03 | Cavium Networks, Inc. | Method and apparatus for establishing secure sessions |
US20030093381A1 (en) * | 2001-11-09 | 2003-05-15 | David Hohl | Systems and methods for authorization of data strings |
US6871206B2 (en) | 2001-11-20 | 2005-03-22 | Ip-First, Llc | Continuous multi-buffering random number generator |
US7219112B2 (en) | 2001-11-20 | 2007-05-15 | Ip-First, Llc | Microprocessor with instruction translator for translating an instruction for storing random data bytes |
US7149764B2 (en) | 2002-11-21 | 2006-12-12 | Ip-First, Llc | Random number generator bit string filter |
US7136991B2 (en) | 2001-11-20 | 2006-11-14 | Henry G Glenn | Microprocessor including random number generator supporting operating system-independent multitasking operation |
EP1447740A1 (en) * | 2003-02-11 | 2004-08-18 | IP-First LLC | Microprocessor with selectively available random number generator based on self-test result |
US7173456B2 (en) | 2002-12-10 | 2007-02-06 | Ip-First, Llc | Dynamic logic return-to-zero latching mechanism |
US6965254B2 (en) | 2002-12-10 | 2005-11-15 | Ip-First, Llc | Dynamic logic register |
US7139785B2 (en) | 2003-02-11 | 2006-11-21 | Ip-First, Llc | Apparatus and method for reducing sequential bit correlation in a random number generator |
US7564976B2 (en) | 2004-03-02 | 2009-07-21 | International Business Machines Corporation | System and method for performing security operations on network data |
US8468337B2 (en) | 2004-03-02 | 2013-06-18 | International Business Machines Corporation | Secure data transfer over a network |
US8028164B2 (en) * | 2004-03-19 | 2011-09-27 | Nokia Corporation | Practical and secure storage encryption |
US9652637B2 (en) | 2005-05-23 | 2017-05-16 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Method and system for allowing no code download in a code download scheme |
US9904809B2 (en) | 2006-02-27 | 2018-02-27 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Method and system for multi-level security initialization and configuration |
US9177176B2 (en) * | 2006-02-27 | 2015-11-03 | Broadcom Corporation | Method and system for secure system-on-a-chip architecture for multimedia data processing |
US9860055B2 (en) | 2006-03-22 | 2018-01-02 | Synopsys, Inc. | Flexible architecture for processing of large numbers and method therefor |
US9489318B2 (en) | 2006-06-19 | 2016-11-08 | Broadcom Corporation | Method and system for accessing protected memory |
US9444622B2 (en) * | 2008-09-15 | 2016-09-13 | Hewlett Packard Enterprise Development Lp | Computing platform with system key |
US8631247B2 (en) | 2008-11-24 | 2014-01-14 | Certicom Corp. | System and method for hardware based security |
EP2977941B1 (en) | 2009-07-10 | 2022-11-16 | BlackBerry Limited | System and method for managing electronic assets |
US20110010770A1 (en) * | 2009-07-10 | 2011-01-13 | Certicom Corp. | System and method for performing key injection to devices |
SG177597A1 (en) | 2009-07-10 | 2012-03-29 | Certicom Corp | System and method for performing serialization of devices |
KR101336278B1 (en) | 2012-09-19 | 2013-12-03 | 충북대학교 산학협력단 | Light-weight hash algorithm for data security in wireless sensor networks |
EP3279826A1 (en) * | 2016-08-04 | 2018-02-07 | Nagravision SA | Sequence verification |
US11138132B2 (en) * | 2018-06-20 | 2021-10-05 | Intel Corporation | Technologies for secure I/O with accelerator devices |
US11263316B2 (en) * | 2019-08-20 | 2022-03-01 | Irdeto B.V. | Securing software routines |
US11347875B2 (en) | 2020-01-28 | 2022-05-31 | Intel Corporation | Cryptographic separation of memory on device with use in DMA protection |
WO2022125943A1 (en) * | 2020-12-11 | 2022-06-16 | Nebulon, Inc. | Secure distribution and update of encryption keys in cluster storage |
AU2021396463A1 (en) | 2020-12-11 | 2023-07-06 | Tethers Unlimited, Inc. | Integrated cryptographic circuits in space applications |
CN114662082B (en) * | 2022-02-25 | 2023-06-06 | 荣耀终端有限公司 | Access control method of electronic device, readable medium and electronic device |
EP4276633A1 (en) * | 2022-05-13 | 2023-11-15 | Thales Dis France SAS | Secured semiconductor device and method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4987595A (en) * | 1989-09-11 | 1991-01-22 | Motorola, Inc. | Secure cryptographic processor arrangement |
US5557346A (en) * | 1994-08-11 | 1996-09-17 | Trusted Information Systems, Inc. | System and method for key escrow encryption |
US5623545A (en) * | 1995-08-31 | 1997-04-22 | National Semiconductor Corporation | Automatic data generation for self-test of cryptographic hash algorithms in personal security devices |
US5631960A (en) * | 1995-08-31 | 1997-05-20 | National Semiconductor Corporation | Autotest of encryption algorithms in embedded secure encryption devices |
US5721777A (en) * | 1994-12-29 | 1998-02-24 | Lucent Technologies Inc. | Escrow key management system for accessing encrypted data with portable cryptographic modules |
Family Cites Families (11)
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US3827029A (en) * | 1972-09-25 | 1974-07-30 | Westinghouse Electric Corp | Memory and program protection system for a digital computer system |
US4914697A (en) * | 1988-02-01 | 1990-04-03 | Motorola, Inc. | Cryptographic method and apparatus with electronically redefinable algorithm |
JPH01237785A (en) * | 1988-03-18 | 1989-09-22 | Canon Inc | Electronic equipment |
US5073934A (en) * | 1990-10-24 | 1991-12-17 | International Business Machines Corporation | Method and apparatus for controlling the use of a public key, based on the level of import integrity for the key |
GB2294140B (en) * | 1992-05-29 | 1996-11-27 | Toshiba Kk | Data processing apparatus |
JP3520102B2 (en) * | 1993-12-28 | 2004-04-19 | 株式会社東芝 | Microcomputer |
US5577213A (en) * | 1994-06-03 | 1996-11-19 | At&T Global Information Solutions Company | Multi-device adapter card for computer |
US5530753A (en) * | 1994-08-15 | 1996-06-25 | International Business Machines Corporation | Methods and apparatus for secure hardware configuration |
US5764969A (en) * | 1995-02-10 | 1998-06-09 | International Business Machines Corporation | Method and system for enhanced management operation utilizing intermixed user level and supervisory level instructions with partial concept synchronization |
IL113259A (en) * | 1995-04-05 | 2001-03-19 | Diversinet Corp | Apparatus and method for safe communication handshake and data transfer |
WO1997025675A1 (en) * | 1996-01-10 | 1997-07-17 | John Philip Griffits | A secure pay-as-you-use system for computer software |
-
1998
- 1998-09-16 AU AU10609/99A patent/AU1060999A/en not_active Abandoned
- 1998-09-16 CA CA002303297A patent/CA2303297C/en not_active Expired - Fee Related
- 1998-09-16 CA CA2634812A patent/CA2634812C/en not_active Expired - Fee Related
- 1998-09-16 CA CA2641215A patent/CA2641215C/en not_active Expired - Fee Related
- 1998-09-16 EP EP98953170A patent/EP1013026A4/en not_active Withdrawn
- 1998-09-16 WO PCT/US1998/019316 patent/WO1999014881A2/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4987595A (en) * | 1989-09-11 | 1991-01-22 | Motorola, Inc. | Secure cryptographic processor arrangement |
US5557346A (en) * | 1994-08-11 | 1996-09-17 | Trusted Information Systems, Inc. | System and method for key escrow encryption |
US5721777A (en) * | 1994-12-29 | 1998-02-24 | Lucent Technologies Inc. | Escrow key management system for accessing encrypted data with portable cryptographic modules |
US5623545A (en) * | 1995-08-31 | 1997-04-22 | National Semiconductor Corporation | Automatic data generation for self-test of cryptographic hash algorithms in personal security devices |
US5631960A (en) * | 1995-08-31 | 1997-05-20 | National Semiconductor Corporation | Autotest of encryption algorithms in embedded secure encryption devices |
Non-Patent Citations (1)
Title |
---|
See also references of EP1013026A4 * |
Also Published As
Publication number | Publication date |
---|---|
CA2634812C (en) | 2010-03-30 |
WO1999014881A2 (en) | 1999-03-25 |
AU1060999A (en) | 1999-04-05 |
CA2303297C (en) | 2008-11-25 |
CA2641215A1 (en) | 1999-03-25 |
CA2641215C (en) | 2010-05-25 |
EP1013026A4 (en) | 2004-09-08 |
CA2634812A1 (en) | 1999-03-25 |
EP1013026A2 (en) | 2000-06-28 |
CA2303297A1 (en) | 1999-03-25 |
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