SE0401841D0 - Device and method - Google Patents
Device and methodInfo
- Publication number
- SE0401841D0 SE0401841D0 SE0401841A SE0401841A SE0401841D0 SE 0401841 D0 SE0401841 D0 SE 0401841D0 SE 0401841 A SE0401841 A SE 0401841A SE 0401841 A SE0401841 A SE 0401841A SE 0401841 D0 SE0401841 D0 SE 0401841D0
- Authority
- SE
- Sweden
- Prior art keywords
- information
- metadata
- decryption
- computer
- protected objects
- Prior art date
Links
Classifications
-
- 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
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
-
- 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
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
-
- 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
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0631—Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES 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
- H04L9/088—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
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/60—Digital content management, e.g. content distribution
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Bioethics (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Storage Device Security (AREA)
Abstract
The invention concerns a method for the decryption of encrypted information stored in the form of computer records (20) in a database (10). Metadata is stored together with the information content of a computer record, whereby metadata controls the processing of information in the computer records (20) through information being limited by access rules that are defined by protected objects (16) intended for decryption, whereby the protected objects (16) are linked to metadata.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0401841A SE527925C2 (en) | 2004-07-09 | 2004-07-09 | Procedure for decryption and database of encrypted data information |
CN 200580030086 CN101057433A (en) | 2004-07-09 | 2005-07-08 | Storing of metadata |
PCT/SE2005/001141 WO2006006931A1 (en) | 2004-07-09 | 2005-07-08 | Storing of metadata |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0401841A SE527925C2 (en) | 2004-07-09 | 2004-07-09 | Procedure for decryption and database of encrypted data information |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0401841D0 true SE0401841D0 (en) | 2004-07-09 |
SE0401841L SE0401841L (en) | 2006-01-10 |
SE527925C2 SE527925C2 (en) | 2006-07-11 |
Family
ID=32867226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0401841A SE527925C2 (en) | 2004-07-09 | 2004-07-09 | Procedure for decryption and database of encrypted data information |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN101057433A (en) |
SE (1) | SE527925C2 (en) |
WO (1) | WO2006006931A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101346734B1 (en) | 2006-05-12 | 2014-01-03 | 삼성전자주식회사 | Multi certificate revocation list support method and apparatus for digital rights management |
US7904732B2 (en) * | 2006-09-27 | 2011-03-08 | Rocket Software, Inc. | Encrypting and decrypting database records |
CN101587479B (en) * | 2008-06-26 | 2011-04-13 | 北京人大金仓信息技术股份有限公司 | Database management system kernel oriented data encryption/decryption system and method thereof |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5661799A (en) * | 1994-02-18 | 1997-08-26 | Infosafe Systems, Inc. | Apparatus and storage medium for decrypting information |
US5598470A (en) * | 1994-04-25 | 1997-01-28 | International Business Machines Corporation | Method and apparatus for enabling trial period use of software products: Method and apparatus for utilizing a decryption block |
SE506853C2 (en) * | 1996-06-20 | 1998-02-16 | Anonymity Prot In Sweden Ab | Method of data processing |
-
2004
- 2004-07-09 SE SE0401841A patent/SE527925C2/en not_active IP Right Cessation
-
2005
- 2005-07-08 WO PCT/SE2005/001141 patent/WO2006006931A1/en active Application Filing
- 2005-07-08 CN CN 200580030086 patent/CN101057433A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CN101057433A (en) | 2007-10-17 |
SE0401841L (en) | 2006-01-10 |
WO2006006931A1 (en) | 2006-01-19 |
SE527925C2 (en) | 2006-07-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |