EP1397884A1 - Signaturschema auf ringbasis - Google Patents

Signaturschema auf ringbasis

Info

Publication number
EP1397884A1
EP1397884A1 EP02731656A EP02731656A EP1397884A1 EP 1397884 A1 EP1397884 A1 EP 1397884A1 EP 02731656 A EP02731656 A EP 02731656A EP 02731656 A EP02731656 A EP 02731656A EP 1397884 A1 EP1397884 A1 EP 1397884A1
Authority
EP
European Patent Office
Prior art keywords
digital signature
polynomials
message
generating
polynomial
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.)
Withdrawn
Application number
EP02731656A
Other languages
English (en)
French (fr)
Other versions
EP1397884A4 (de
Inventor
Craig B. Gentry
Yiqun Yin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Docomo Inc
Original Assignee
Docomo Communications Labs USA Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Docomo Communications Labs USA Inc filed Critical Docomo Communications Labs USA Inc
Priority to EP07103509A priority Critical patent/EP1796308A3/de
Publication of EP1397884A1 publication Critical patent/EP1397884A1/de
Publication of EP1397884A4 publication Critical patent/EP1397884A4/de
Withdrawn legal-status Critical Current

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
    • H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
    • 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
    • H04L9/3093—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving Lattices or polynomial equations, e.g. NTRU scheme
    • 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
    • H04L2209/80—Wireless
EP02731656A 2001-05-04 2002-05-03 Signaturschema auf ringbasis Withdrawn EP1397884A4 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07103509A EP1796308A3 (de) 2001-05-04 2002-05-03 Ringbasiertes Signaturschema

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US28884101P 2001-05-04 2001-05-04
US288841P 2001-05-04
PCT/US2002/014099 WO2002091664A1 (en) 2001-05-04 2002-05-03 Ring-based signature scheme

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP07103509A Division EP1796308A3 (de) 2001-05-04 2002-05-03 Ringbasiertes Signaturschema

Publications (2)

Publication Number Publication Date
EP1397884A1 true EP1397884A1 (de) 2004-03-17
EP1397884A4 EP1397884A4 (de) 2006-02-15

Family

ID=23108876

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02731656A Withdrawn EP1397884A4 (de) 2001-05-04 2002-05-03 Signaturschema auf ringbasis

Country Status (4)

Country Link
EP (1) EP1397884A4 (de)
JP (1) JP4053431B2 (de)
CN (1) CN1268086C (de)
WO (1) WO2002091664A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7792286B2 (en) * 2005-04-18 2010-09-07 Panasonic Corporation Signature generation device and signature verification device
WO2006114948A1 (ja) * 2005-04-18 2006-11-02 Matsushita Electric Industrial Co., Ltd. 署名生成装置および署名検証装置
US8452975B2 (en) 2008-04-09 2013-05-28 Panasonic Corporation Signature and verification method, signature generation device, and signature verification device
CN102006165B (zh) * 2010-11-11 2012-11-07 西安理工大学 基于多变量公钥密码对消息匿名环签名的方法
JP5790319B2 (ja) * 2011-08-29 2015-10-07 ソニー株式会社 署名検証装置、署名検証方法、プログラム、及び記録媒体
WO2015004065A1 (en) * 2013-07-12 2015-01-15 Koninklijke Philips N.V. Electronic signature system
WO2020000254A1 (zh) * 2018-06-27 2020-01-02 深圳大学 一种标准模型下的紧凑环签名方法及系统
CN109743181B (zh) * 2019-01-14 2022-04-19 深圳大学 一种邮件隐私保护方法、装置及终端设备
CN112003707A (zh) * 2020-08-25 2020-11-27 湖南宸瀚信息科技有限责任公司 一种抗量子计算攻击的区块链数字签名加密方法及系统

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998008323A1 (en) * 1996-08-19 1998-02-26 Ntru Cryptosystems, Inc. Public key cryptosystem method and apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4633036A (en) * 1984-05-31 1986-12-30 Martin E. Hellman Method and apparatus for use in public-key data encryption system
US5218637A (en) * 1987-09-07 1993-06-08 L'etat Francais Represente Par Le Ministre Des Postes, Des Telecommunications Et De L'espace Method of transferring a secret, by the exchange of two certificates between two microcomputers which establish reciprocal authorization
US5375170A (en) * 1992-11-13 1994-12-20 Yeda Research & Development Co., Ltd. Efficient signature scheme based on birational permutations
US5740250A (en) * 1995-12-15 1998-04-14 Moh; Tzuong-Tsieng Tame automorphism public key system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998008323A1 (en) * 1996-08-19 1998-02-26 Ntru Cryptosystems, Inc. Public key cryptosystem method and apparatus

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
HOFFSTEIN J ET AL: "Optimization for NTRU" 11 September 2000 (2000-09-11), PUBLIC-KEY CRYPTOGRAPHY AND COMPUTATIONAL NUMBER THEORY, XX, XX , XP002990916 * the whole document * *
HOFFSTEIN, PIPHER, SILVERMAN: 'NSS: The NTRU Signature Scheme', [Online] November 2000, USA, pages 1 - 30 NTRU CRYPTOLAB Retrieved from the Internet: <URL:http://www.ntru.com/cryptolab/pdf/nss.pdf> [retrieved on 2007-08-28] *
MIRONOV, ILYA: 'A Note on Cryptanalysis of the Preliminary Version of the NTRU Signature Scheme', [Online] 23 January 2001, USA, pages 1 - 6, XP007902930 Retrieved from the Internet: <URL:http://eprint.iacr.org/2001/005> [retrieved on 2007-08-28] *
See also references of WO02091664A1 *

Also Published As

Publication number Publication date
JP2004526387A (ja) 2004-08-26
EP1397884A4 (de) 2006-02-15
CN1462520A (zh) 2003-12-17
JP4053431B2 (ja) 2008-02-27
WO2002091664A1 (en) 2002-11-14
CN1268086C (zh) 2006-08-02

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Legal Events

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RIN1 Information on inventor provided before grant (corrected)

Inventor name: YIN, YIQUN

Inventor name: GENTRY, CRAIG, B.

A4 Supplementary search report drawn up and despatched

Effective date: 20060103

RIC1 Information provided on ipc code assigned before grant

Ipc: H04L 9/30 20060101ALI20051228BHEP

Ipc: H04L 9/00 20060101AFI20021120BHEP

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NTT DOCOMO INC.

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Effective date: 20060901

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Effective date: 20140819