The Internet has been evolving exponentially those two decades, and various types of communication systems for computer supported cooperative work (CSCW) are available throughout networks. Some of those systems provide handwriting functions, and handwritten messages are used often for authentication. In other communication systems, however, one needs information hiding. A requirement of a communication system is to provide a subliminal channel for secret communications. This paper presents some new algorithms for information hiding with a handwritten message which is encoded with vector drawing. KEYWORDS information hiding, handwriting function, vector drawing, signature 1
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