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Articles by Paul Kocher
Paul Carl Kocher
Biography Paul Carl Kocher is a cypherpunks followed in Coincu's people directory for work connected to Cryptography & Security. The profile is best understood through Listed in Wikipedia's Cypherpunks topic area, with public references linking Kocher to crypto projects and market-facing organizations. Coincu uses Wikipedia as a fact source and rewrites the biography in its own editorial format rather than reproducing the original profile text.
The Marvin Attack
The Marvin Attack is a return of a 25 year old vulnerability that allows performing RSA decryption and signing operations as an attacker with the ability to observe only the time of the decryption operation performed with the private key. In 1998, Daniel Bleichenbacher discovered that the error messages given by SSL servers for errors in the PKCS #1 v1.5 padding allowed an adaptive-chosen ciphertext attack; this attack fully breaks the confidentiality of TLS when used with RSA encryption.
Spectre Attacks: Exploiting Speculative Execution
Home/Magazine Archive/July 2020 (Vol. 63, No. 7)/Spectre Attacks: Exploiting Speculative Execution/Full Text By Paul Kocher, Jann Horn, Anders Fogh, Daniel Genkin, Daniel Gruss, Werner Haas, Mike Hamburg, Moritz Lipp, Stefan Mangard, Thomas Prescher, Michael Schwarz, Yuval Yarom Communications of the ACM, July 2020, Vol.
Meltdown And Spectre, One Year Later
New vulnerabilities have emerged around software techniques that damage hardware. About this time last year, reports surfaced about security attacks on today’s most popular microprocessors (μPs). Researchers called them Meltdown, Spectre gaining widespread attention. Today, however, the industry and especially μP vendors have made some progress toward stemming these vulnerabilities. Here is my analysis as we enter into 2019.
The Next Vulnerability: Looking Back on Meltdown and Spectre One Year Later
The Next Vulnerability: Looking Back on Meltdown and Spectre One Year Later Paul Kocher 2019-01-30T13:42:47+00:00 This entry was posted on Wednesday, January 30th, 2019. By Paul Kocher, Senior Technology Advisor, Rambus Around this time last year, two vulnerabilities known as Meltdown and Spectre became public.
Computer Security Is Broken: Can Better Hardware Help Fix It?
Computer Security Is Broken: Can Better Hardware Help Fix It? In 1967, the Silver Bridge collapsed into the Ohio River during rush hour. Instead of redundancy the bridge used high-strength steel. The failure of a single eyebar was catastrophic.a Today's computing devices resemble the Silver Bridge, but are much more complicated. They have billions of lines of code, logic gates, and other elements that must work perfectly. Otherwise, adversaries can compromise the system.
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