Blog

Here I write about various topics from the area of cryptography.

CPT – a tool for testing the certificate validation
April 17, 2018

how to properly generate k in ECDSA and DSA
November 9, 2016

flaws in OpenSSL's random number generator
February 19, 2016

improved message takeover attacks against S/MIME
February 3, 2016

message takeover attacks against S/MIME
January 19, 2016

a flaw in the Java cryptographic API: treating RSA as a block cipher
December 6, 2015

on the feasibility of memory allocation fault attacks
June 17, 2015

uninitialized RAM and random number generation: threats from compiler optimizations
June 15, 2015

cryptosource implements the McEliece scheme in Botan
December 3, 2014