GB2264423B - Devices for implementing public key cryptography and digital signatures - Google Patents
Devices for implementing public key cryptography and digital signaturesInfo
- Publication number
- GB2264423B GB2264423B GB9303246A GB9303246A GB2264423B GB 2264423 B GB2264423 B GB 2264423B GB 9303246 A GB9303246 A GB 9303246A GB 9303246 A GB9303246 A GB 9303246A GB 2264423 B GB2264423 B GB 2264423B
- Authority
- GB
- United Kingdom
- Prior art keywords
- devices
- public key
- key cryptography
- digital signatures
- implementing public
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
- H04L9/302—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes
-
- 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
- H04L2209/12—Details relating to cryptographic hardware or logic circuitry
-
- 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
- H04L2209/30—Compression, e.g. Merkle-Damgard construction
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9203425A GB9203425D0 (en) | 1992-02-18 | 1992-02-18 | Devices for implementing public key cryptography and digital signatures |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9303246D0 GB9303246D0 (en) | 1993-04-07 |
GB2264423A GB2264423A (en) | 1993-08-25 |
GB2264423B true GB2264423B (en) | 1995-04-26 |
Family
ID=10710603
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9203425A Pending GB9203425D0 (en) | 1992-02-18 | 1992-02-18 | Devices for implementing public key cryptography and digital signatures |
GB9303246A Expired - Fee Related GB2264423B (en) | 1992-02-18 | 1993-02-18 | Devices for implementing public key cryptography and digital signatures |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9203425A Pending GB9203425D0 (en) | 1992-02-18 | 1992-02-18 | Devices for implementing public key cryptography and digital signatures |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU3507393A (en) |
GB (2) | GB9203425D0 (en) |
WO (1) | WO1993016538A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9037545B2 (en) | 2006-05-05 | 2015-05-19 | Hybir Inc. | Group based complete and incremental computer file backup system, process and apparatus |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0693836A1 (en) * | 1994-06-10 | 1996-01-24 | Sun Microsystems, Inc. | Method and apparatus for a key-management scheme for internet protocols. |
US5588060A (en) * | 1994-06-10 | 1996-12-24 | Sun Microsystems, Inc. | Method and apparatus for a key-management scheme for internet protocols |
DE19703929A1 (en) * | 1997-02-04 | 1998-08-06 | Deutsche Telekom Ag | Method for generating a digital signature and method for checking the signature |
JP3277139B2 (en) * | 1997-03-13 | 2002-04-22 | インターナショナル・ビジネス・マシーンズ・コーポレーション | Input bit string encryption apparatus and method |
WO2010064966A1 (en) * | 2008-12-04 | 2010-06-10 | Saab Ab | Key issuer, key carrier, access unit and methods performed in said units |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4405829A (en) * | 1977-12-14 | 1983-09-20 | Massachusetts Institute Of Technology | Cryptographic communications system and method |
EP0199620A2 (en) * | 1985-03-28 | 1986-10-29 | International Standard Electric Corporation New York | Encryption apparatus and methods for raising a large unsigned integer to a large unsigned integer power modulo a large unsigned integer |
EP0202768A2 (en) * | 1985-04-30 | 1986-11-26 | International Business Machines Corporation | Technique for reducing RSA crypto variable storage |
EP0353041A2 (en) * | 1988-07-26 | 1990-01-31 | THORN EMI plc | Signal processing apparatus and method using modified signed digit arithmetic |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4908861A (en) * | 1987-08-28 | 1990-03-13 | International Business Machines Corporation | Data authentication using modification detection codes based on a public one way encryption function |
JPH03505033A (en) * | 1988-08-19 | 1991-10-31 | エヌシーアール インターナショナル インコーポレイテッド | Public key risk distribution method |
US4956863A (en) * | 1989-04-17 | 1990-09-11 | Trw Inc. | Cryptographic method and apparatus for public key exchange with authentication |
-
1992
- 1992-02-18 GB GB9203425A patent/GB9203425D0/en active Pending
-
1993
- 1993-02-15 AU AU35073/93A patent/AU3507393A/en not_active Abandoned
- 1993-02-15 WO PCT/GB1993/000313 patent/WO1993016538A1/en active Application Filing
- 1993-02-18 GB GB9303246A patent/GB2264423B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4405829A (en) * | 1977-12-14 | 1983-09-20 | Massachusetts Institute Of Technology | Cryptographic communications system and method |
EP0199620A2 (en) * | 1985-03-28 | 1986-10-29 | International Standard Electric Corporation New York | Encryption apparatus and methods for raising a large unsigned integer to a large unsigned integer power modulo a large unsigned integer |
EP0202768A2 (en) * | 1985-04-30 | 1986-11-26 | International Business Machines Corporation | Technique for reducing RSA crypto variable storage |
EP0353041A2 (en) * | 1988-07-26 | 1990-01-31 | THORN EMI plc | Signal processing apparatus and method using modified signed digit arithmetic |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9037545B2 (en) | 2006-05-05 | 2015-05-19 | Hybir Inc. | Group based complete and incremental computer file backup system, process and apparatus |
Also Published As
Publication number | Publication date |
---|---|
AU3507393A (en) | 1993-09-03 |
GB9203425D0 (en) | 1992-09-23 |
GB2264423A (en) | 1993-08-25 |
WO1993016538A1 (en) | 1993-08-19 |
GB9303246D0 (en) | 1993-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19970218 |