Posted in Security

2017 Security Recap

Cryptographers and Security Researchers have a penchant for coming up with colorful acronyms and names which describe, in brief, the vulnerability or exposure. Some are them are BEAST, CRIME, ShellShock, SLOTH, POODLE, Lucky 13, Sweet32, Smurf, Petya, BlackNurse, FREAK, DROWN, BREACH, LOGJAM, HeartBleed, CloudBleed, TicketBleed, Fireball, CLOAK and DAGGER, WANNACRY, SambaCry, HIDDEN COBRA, BroadPwn, Blueborne, ... read more

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Posted in Security World

First SHA-1 collision, birthday paradox, should you rehash your will?

One of the most important properties of a cryptographic hash function is that of “Strong collision-resistance“, that is, it should be “computationally infeasible” to find distinct inputs x, x’ such that hash(x) = hash(x’).

For the SHA-1 hash function, which generates a 160 bit hash, to have strong collision resistance, only ... read more

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Posted in Software

Cross Platform (Android, iOS) app in F# with Reactive Extensions

If you love functional programming and want to write native cross-platform mobile apps (Android, iOS and even Windows Phone) and you know F#, you are set. The company that made this happen was Xamarin.

For more info on Xamarin, read my blog article titled Monkey business — write once, deploy on iOS, Android and ... read more

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Posted in haskell Software

LTE Crypto — safe, stateful computations in purely functional language Haskell

Snow3G is one of the two algorithms (the other being AES) algorithms used in LTE (4G) mobile network. The specifications for LTE come from the standards body called 3GPP and include the specification and reference implementation in C for the Snow 3G algorithm. There is an algorithm for confidentiality (encryption/decryption), and an algorithm for ... read more

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