frozencache.blogspot.com
Frozen CacheA blog about the development of a general-purpose solution for mitigating cold-boot attacks on Full-Disk-Encryption solutions.
http://frozencache.blogspot.com/
A blog about the development of a general-purpose solution for mitigating cold-boot attacks on Full-Disk-Encryption solutions.
http://frozencache.blogspot.com/
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Frozen Cache | frozencache.blogspot.com Reviews
https://frozencache.blogspot.com
A blog about the development of a general-purpose solution for mitigating cold-boot attacks on Full-Disk-Encryption solutions.
frozencache.blogspot.com
Frozen Cache: Performance aspects
http://frozencache.blogspot.com/2009/01/performance-aspects.html
A blog about the development of a general-purpose solution for mitigating cold-boot attacks on Full-Disk-Encryption solutions. As previously mentioned, performance is a major concern when the cache is switched into no-fill mode ("frozen"). The broad range of CPU architectures (multi-CPU, multi-core, multi-threads) and respective cache configurations makes the matter even more complex. Back to more "traditional" performance aspects. What can be done to minimize the impact of freezing the CPU cache?
Frozen Cache: Lack of cache control
http://frozencache.blogspot.com/2009/01/lack-of-cache-control.html
A blog about the development of a general-purpose solution for mitigating cold-boot attacks on Full-Disk-Encryption solutions. Lack of cache control. Management of the cache contents isn't over once the cache has been "frozen": it is also important, that the data in the cache (the encryption key) isn't written back to memory. Unfortunately, the Intel architecture allows only very minimalistic cache control:. Enable / disable cache (systemwide: CR0.CD, per memory-region: MTRR, per page: PAT). One way to m...
Frozen Cache: The concept
http://frozencache.blogspot.com/2009/01/concept.html
A blog about the development of a general-purpose solution for mitigating cold-boot attacks on Full-Disk-Encryption solutions. Cold boot attacks are a major risk for the protection that Full-Disk-Encryption solutions provide. Any powered-on computer is vulnerable to this attack and until now there has been no general-purpose solution to this problem. Why is this blog called "Frozen Cache"? The concept is easy: by switching the cache into a special mode one can force that data remains in the cache and is ...
Frozen Cache: Protecting the encryption key
http://frozencache.blogspot.com/2009/01/protecting-encryption-key.html
A blog about the development of a general-purpose solution for mitigating cold-boot attacks on Full-Disk-Encryption solutions. Protecting the encryption key. The cryptographic key is not the only data item that needs to be kept in the CPU cache in order to keep it from prying eyes/spraycans. Sounds easy in theory, but especially for Linux it's quite a challenge to find a nicely structured approach instead of just hacking something together. Posted by Jürgen Pabel. Thursday, January 15, 2009.
Frozen Cache: Protecting the encryption key: it is not just the encryption key
http://frozencache.blogspot.com/2009/01/protecting-encryption-key-it-is-not.html
A blog about the development of a general-purpose solution for mitigating cold-boot attacks on Full-Disk-Encryption solutions. Protecting the encryption key: it is not just the encryption key. I've followed the coverage on Slashdot. And other sites: it's great that my effort is being exposed to such a broad audience, but it seems that there is a misunderstanding about the details of my research. I supposedly suggested to protect only the encryption key. I hinted in the "Protecting the encryption key" ent...
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datenritter blog - Artikel mit Tag cracking
http://blog.datenritter.de/plugin/tag/cracking
Skip to blog entries. Skip to archive page. Skip to left sidebar. Skip to right sidebar. Artikel mit Tag cracking. Dienstag, 13. September 2011. Warum die Eingabe von 100 TANs nicht fahrlässig ist. Über ein Urteil, dass einem Phishing-Opfer Schadenersatz zuspricht, obwohl dieses auf der Phishing-Seite 100 TANs eingegeben hatte. Bei dem Fall handelt es sich um sauberes social engineering. TANs eines TAN-Blocks aufforderte, weil dieser wegen einer Sicherheitslücke aus dem Verkehr gezogen werden müsse. ...
datenritter blog - Artikel mit Tag festplattenverschlüsselung
http://blog.datenritter.de/plugin/tag/festplattenverschlüsselung
Skip to blog entries. Skip to archive page. Skip to left sidebar. Skip to right sidebar. Artikel mit Tag festplattenverschlüsselung. Dienstag, 20. Januar 2009. Frozen Cache gegen Kryoattacke - und Performance. Gegen den von mir "Kryoattacke". Getauften "Cold-Boot"-Angriff gibt es Abhilfe. Das ist nichts neues. Schon im ersten Beitrag zum Thema. Im Februar vor einem Jahr. Hatte ich erwähnt, dass diverse Methoden diskutiert werden. Die beste Methode ist wohl die jetzt "Frozen Cache". Den heftigen Performan...
Cold boot attack - Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/Cold_boot_attack
From Wikipedia, the free encyclopedia. A cold boot attack. Or to a lesser extent, a platform reset attack. Is a type of side channel attack. In which an attacker with physical access. To a computer is able to retrieve encryption keys. From a running operating system. After using a cold reboot. To restart the machine. The attack relies on the data remanence. To retrieve memory contents that remain readable. In the seconds to minutes after power has been removed. Alternatively, the memory modules. Insecure...
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Frozen Cache
A blog about the development of a general-purpose solution for mitigating cold-boot attacks on Full-Disk-Encryption solutions. Controlling the uncontrollable cache. I think I found a solution for the last significant challenge, which I've described in the blog entry " Lack of cache control. It's the uncertainty about whether any data in the CPU cache has been flushed out into RAM. This flushing could be initiated by CPU instructions like invd, wbinvd and clflush (Thanks, haxwell. Before you read on.
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