SJTU TDT Lab of SJTU

Recent Research Results (Selected)


  1. Deeply research on proxy cryptography, proxy re-cryptography.
  2. Significant breaks on threshold cryptography and quadratic field cryptography.
  3. Research on provable security model and provable-secure cryptography.
  4. Propose conic curve cryptography and its applications.
  5. Propose a series of new cryptographic algorithms, including modified RSA/Rabin, multi-dimension RSA, and based on cubic residue cryptographic algorithms.
  6. Research on new public key authentication architecture and identity based cryptography.
  7. Research on cryptanalysis and provable-secure cryptographic protocol.
  8. Research on pairing based cryptography.
  9. Research on partial blind signature and e-cash system.
  10. Research on some common problems in theory.

National patents (applied)


No.
Application No.
Name
1
200510097594.3
ID Based Cryptographical Method And System
2
200610090233.0
Encryption/Decryption, Signature Method and System
3
200610090234.5
ID Based Key Generation Method and System
4
200610098850.5
Method and system for remote password based authentication using smart cards for accessing a communications network
5
200610103340.2
Certificateless Based Authentication Key Exchange Method and System
6
200610098851.X
Based on Message-sending Commercial Bargain Protocol System
7
200610099182.8
Verifiable Encryption Scheme and its application in E-mail System
8
200610098896.7
Key Generation and Signature Scheme for Quadratic Field Cryptosystem
9
200610127211.7
Public Key Infrastructure and its Implementation
10
200610087599.2
 Proxy Signcryption Scheme
11
200610061487.X
 E-bank Authentication method, and its application in Smart Card System
12
200610087570.4
 Proxy Signature Scheme
13
200610061483.1
 Authentication Scheme for E-ticket System
14
200710063606.X
 Authentication Scheme for Distributed Network
15
200710143191.7
Key Generation, Communication System, Communication Equipment and Server.
16
200710176473.7
User's Authentication System, Server and User Node
17
200710176567.4
Watermarket Based Exchange, Identification and Abtrating System and Equipment
18
200710176648.4
Digital Signature and Verifcation, System, Equipment and Generator
19
200710177632.5
Mutual Authentication Method, System and Network Teminator
20
200610167172.3
Key Exchange System with short bandwidth of parameter transmission

National patents (published)


No.
Published No.
 Name
1
CN1859090
ID Based Cryptographical Method and System
2
CN1877633
Encryption/Decryption, Signature Method and System
3
CN1878060
ID Based Key Generation Method and System
4
CN1889432
Method and system for remote password based authentication using smart cards for accessing a communications network
5
CN1889433
Certificateless Based Authentication Key Exchange Method and System
6
CN1905440
Based on Message-sending Commercial Bargain Protocol System
7
CN1905447
Verifiable Encryption Scheme and its Application in E-mail System
8
CN1909451
Key Generation and Signature Scheme for Quadratic Field Cryptosystem
9
CN1921384
Public Key Infrastructure and its Implementation
10
CN101030859
 Authentication Scheme for Distributed Network
11
CN101051901
 Proxy Signature Scheme
12
CN101051902
 Proxy Signcryption Scheme
13
CN101083526
Key Generation, Communication System, Communication Equipment and Server
14
CN101101675
 Authentication Scheme for E-ticket System
15
CN101101686
E-bank Authentication Method, and its application in Smart Card System
16
CN101179380
Mutual Authentication Method, System and Network Teminator
17
CN101202622
Key Exchange System with short bandwidth of parameter transmission

International and US patent


No.
 Application No.
Published No.
Name
1

PCT/CN2006/001811

WO/2007/076659

Id based cryptographical method and system
2
PCT/CN2007/000093
WO/2008/009183

Password remotely authentication method based on the intelligent card and an intelligent card, a server and system thereof

3

PCT/CN2007/070944

WO/2008/071107

A method, system for key switching and a method, device for reducing the transmission bandwidth of the parameter

4
 USPTO Applicaton #: 20080016333 - Class: 713155 (USPTO)
Method and system for remote password based authentication using smart cards for accessing a communications network
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