Chanathip NAMPREMPRE


A Study of Blind Message Authentication Codes
Chanathip NAMPREMPRE Gregory NEVEN Michel ABDALLA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/01/01
Vol. E90-A  No. 1  pp. 75-82
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Signatures
Keyword: 
provable securityblind signaturesblind MACs
 Summary | Full Text:PDF(204.7KB)

Mitigating Dictionary Attacks with Text-Graphics Character CAPTCHAs
Chanathip NAMPREMPRE Matthew N. DAILEY 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/01/01
Vol. E90-A  No. 1  pp. 179-186
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Application
Keyword: 
reverse turing testCAPTCHAsecure shellpassword authentication
 Summary | Full Text:PDF(174.3KB)