TW200615868A - A method of encoding a signal - Google Patents
A method of encoding a signalInfo
- Publication number
- TW200615868A TW200615868A TW094115040A TW94115040A TW200615868A TW 200615868 A TW200615868 A TW 200615868A TW 094115040 A TW094115040 A TW 094115040A TW 94115040 A TW94115040 A TW 94115040A TW 200615868 A TW200615868 A TW 200615868A
- Authority
- TW
- Taiwan
- Prior art keywords
- text
- length
- bits
- round function
- inputs
- Prior art date
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
- H04L9/06—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
- H04L9/06—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
- H04L9/0625—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation with splitting of the data block into left and right halves, e.g. Feistel based algorithms, DES, FEAL, IDEA or KASUMI
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Storage Device Security (AREA)
- Document Processing Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004906364A AU2004906364A0 (en) | 2004-11-05 | A method of encoding a signal | |
AU2005900087A AU2005900087A0 (en) | 2005-01-10 | A Method of Encoding a Signal |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200615868A true TW200615868A (en) | 2006-05-16 |
Family
ID=35033749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094115040A TW200615868A (en) | 2004-11-05 | 2005-05-10 | A method of encoding a signal |
Country Status (3)
Country | Link |
---|---|
US (2) | US20060098817A1 (zh) |
TW (1) | TW200615868A (zh) |
WO (2) | WO2006048702A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI447683B (zh) * | 2006-09-01 | 2014-08-01 | Sony Corp | Information processing device |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8036377B1 (en) | 2006-12-12 | 2011-10-11 | Marvell International Ltd. | Method and apparatus of high speed encryption and decryption |
CN110113170B (zh) * | 2019-04-22 | 2021-09-14 | 杭州德旺信息技术有限公司 | 一种sha256值生成系统 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL279100A (zh) * | 1961-05-30 | |||
US3506783A (en) * | 1966-06-17 | 1970-04-14 | Int Standard Electric Corp | Key material generator |
US3700806A (en) * | 1967-09-18 | 1972-10-24 | Csf | Key generators for cryptographic devices |
US3784743A (en) * | 1972-08-23 | 1974-01-08 | Bell Telephone Labor Inc | Parallel data scrambler |
US3920894A (en) * | 1974-03-11 | 1975-11-18 | Bell Telephone Labor Inc | Pseudo-random parallel word generator |
US3925611A (en) * | 1974-08-12 | 1975-12-09 | Bell Telephone Labor Inc | Combined scrambler-encoder for multilevel digital data |
US4004809A (en) * | 1975-05-12 | 1977-01-25 | Bartholomew, Limited | Board game apparatus |
US4087626A (en) * | 1976-08-04 | 1978-05-02 | Rca Corporation | Scrambler and unscrambler for serial data |
US4107458A (en) * | 1976-08-23 | 1978-08-15 | Constant James N | Cipher computer and cryptographic system |
US4316055A (en) * | 1976-12-30 | 1982-02-16 | International Business Machines Corporation | Stream/block cipher crytographic system |
US4160120A (en) * | 1977-11-17 | 1979-07-03 | Burroughs Corporation | Link encryption device |
US4503287A (en) * | 1981-11-23 | 1985-03-05 | Analytics, Inc. | Two-tiered communication security employing asymmetric session keys |
US4776011A (en) * | 1983-10-24 | 1988-10-04 | Sony Corporation | Recursive key schedule cryptographic system |
US4802217A (en) * | 1985-06-07 | 1989-01-31 | Siemens Corporate Research & Support, Inc. | Method and apparatus for securing access to a computer facility |
US4731843A (en) * | 1985-12-30 | 1988-03-15 | Paradyne Corporation | Method and device of increasing the execution speed of cipher feedback mode of the DES by an arbitrary multiplier |
GB2204465B (en) * | 1987-05-01 | 1991-06-19 | Philips Electronic Associated | A method of and an arrangement for digital signal encryption |
US4755987A (en) * | 1987-06-05 | 1988-07-05 | Bell Communications Research, Inc. | High speed scrambling at lower clock speeds |
US4965881A (en) * | 1989-09-07 | 1990-10-23 | Northern Telecom Limited | Linear feedback shift registers for data scrambling |
US5454039A (en) * | 1993-12-06 | 1995-09-26 | International Business Machines Corporation | Software-efficient pseudorandom function and the use thereof for encryption |
US5675052A (en) * | 1995-09-15 | 1997-10-07 | The Boc Group, Inc. | Hydrocarbon alkylation process |
US5745522A (en) * | 1995-11-09 | 1998-04-28 | General Instrument Corporation Of Delaware | Randomizer for byte-wise scrambling of data |
JPH10171350A (ja) * | 1996-12-10 | 1998-06-26 | Hitachi Ltd | ハッシュ値生成方法および装置 |
US6339645B2 (en) * | 1998-03-06 | 2002-01-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Pseudo-random sequence generator and associated method |
US20020191783A1 (en) * | 2001-06-13 | 2002-12-19 | Takahashi Richard J. | Method and apparatus for creating a message digest using a multiple round, one-way hash algorithm |
US7236592B2 (en) * | 2002-02-01 | 2007-06-26 | International Business Machines Corporation | Efficient stream cipher system and method |
US7400722B2 (en) * | 2002-03-28 | 2008-07-15 | Broadcom Corporation | Methods and apparatus for performing hash operations in a cryptography accelerator |
-
2005
- 2005-05-10 WO PCT/IB2005/001475 patent/WO2006048702A1/en active Application Filing
- 2005-05-10 WO PCT/IB2005/001487 patent/WO2006048703A1/en active Application Filing
- 2005-05-10 TW TW094115040A patent/TW200615868A/zh unknown
- 2005-11-07 US US11/267,189 patent/US20060098817A1/en not_active Abandoned
- 2005-11-07 US US11/267,188 patent/US20060098816A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI447683B (zh) * | 2006-09-01 | 2014-08-01 | Sony Corp | Information processing device |
Also Published As
Publication number | Publication date |
---|---|
US20060098817A1 (en) | 2006-05-11 |
WO2006048703A1 (en) | 2006-05-11 |
WO2006048702A1 (en) | 2006-05-11 |
US20060098816A1 (en) | 2006-05-11 |
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