[cryptography] Asynchronous forward secrecy encryption

2013-09-16 Thread Marco Pozzato
Hi all, I'm looking for an asynchronous messaging protocol with support for forward secrecy: I found some ideas, some abstract paper but nothing ready to be used. OTR seems the preeminent protocol, but does not have support for asynchronous communication. This post https://whispersystems.org/blog

[cryptography] Android SecureRandom poor entropy

2013-08-25 Thread Marco Pozzato
Hi all, I'm CTO at PrivateWave, developing solutions for secure telephony. Recently, android SecureRandom PRNG proved to be seriously flawed ( http://android-developers.blogspot.it/2013/08/some-securerandom-thoughts.html) because, by default, it is not properly initialized with "good" entropy. T