Password Capabilities Revisited
نویسندگان
چکیده
منابع مشابه
Password Capabilities Revisited
With reference to a distributed system consisting of nodes connected by a local area network, we present a new formulation of the password capability paradigm that takes advantage of techniques of symmetric-key cryptography to represent password capabilities in memory. We assign a cryptographic key to each application; the password capabilities held by a process of a given application are encry...
متن کاملPassword-Capabilities and the Walnut Kernel
The Walnut kernel is a capability-based operating system kernel that was developed in the Department of Computer Science at Monash University during the 1990s. This kernel is heir to many of the ideas that were implemented in the PasswordCapability System. Focusing on the programmer’s view, this paper describes the password-capability model and the features of theWalnut kernel and the design de...
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Cryptographic security is usually defined as some form of guarantee that holds except when a bad event with negligible probability occurs, and nothing is guaranteed in that case. However, in settings where such failure can happen with substantial probability, one needs to provide guarantees even for the bad case. A typical example is where a (possibly weak) password is used instead of a secure ...
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Since we first devised and defined password-capabilities as a new technique for building capability-based operating systems, a number of research systems around the world have used them as the bases for a variety of operating systems. Our original Password-Capability System was implemented on custom built hardware with a novel address translation and protection scheme specifically designed to s...
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ژورنال
عنوان ژورنال: The Computer Journal
سال: 2013
ISSN: 0010-4620,1460-2067
DOI: 10.1093/comjnl/bxt131