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參數(shù)資料
| 型號(hào)： | L12-TCPA-PALLADIUM |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | TCPA and Palladium |
| 中文描述： | 城鄉(xiāng)規(guī)劃和鈀 |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大?。?/td> | 131K |
| 代理商： | L12-TCPA-PALLADIUM |
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MOTIVATION
Palladium
Brian LaMacchia of Microsoft talked about Palladium during the second half of the lecture. Brian
joined the Palladium team this May, having worked the past 3 years on the .NET Framework Security.
Before that, he worked at AT&T labs, performing research on policy regarding technology’s impact
on society.
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Motivation
What is Palladium
Palladium (Pd) is a set of new security-oriented capabilities in Windows. Palladium is enabled by
new hardware. The goal is to “protect software from software.” Protecting against hardware attacks
(dual ported memory, physically tampering with the PC, etc.) is not Palladium’s goal. Palladium’s
goal is to protect against malicious software.
Palladium is built on top of TCPA hardware and share some characteristics with TCPA, but is NOT
Microsoft’s implementation of TCPA.
Peter Biddle of Microsoft Research conceived of and started working on Palladium in 1997.
New Security Features
Palladium offers four categories of new security features.
1. Sealed Storage: seal off storage so that only some programs can get at it
2. Attestation: software and hardware makes a signed statement about some part of the process
stack
3. Curtained memory: the ability to segment the physical memory of the machine into standard
and trusted modes.
4. Secure Input/Output: user input (i.e. mouse, keyboard)/output (i.e. monitor) are encrypted
and thus cannot be sniffed or spoofed
Sealed storage and attestation are characteristics shared with TCPA. Curtained memory and secure
I/O are not.
Trusted open systems
Currently, Windows operating systems are designed first for features and performance, then for plug
and play and ease of use, and only last for security.
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