IBM PCs add extra security to Adobe Acrobat 6.0

Adobe Systems has tweaked the cryptography features in its Acrobat 6.0 software to let users take advantage of a security chip included with IBM's newer notebook and desktop computers, the companies said Thursday. "Documents created with Adobe's PDF (portable document format) can already make use of PKI (public key infrastructure) technologies that allow users to add a digital signature to a form or control who can open it. Adding support for IBM's hardware-based Embedded Security Subsystem is supposed to boost that level of security further."

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