Forgery Attacks on Time-Stamp, Signed PDF and X.509 Certificate.
Kouichi ItohTetsuya IzuWakaha OgataTakeshi ShimoyamaMasahiko TakenakaPublished in: IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2009)
Keyphrases
- digital images
- probability density function
- countermeasures
- signature verification
- traffic analysis
- watermarking scheme
- watermarking algorithm
- pdf files
- security threats
- probability distribution function
- malicious attacks
- terrorist attacks
- watermarking technique
- security protocols
- digital watermarking
- higher order statistics
- malicious users
- factor authentication
- denial of service attacks
- mixture model
- probabilistic model
- smart card