[PATCH v2 net-next 1/4] siphash: add cryptographically secure PRF

2017-01-07 Thread Jason A. Donenfeld
SipHash is a 64-bit keyed hash function that is actually a cryptographically secure PRF, like HMAC. Except SipHash is super fast, and is meant to be used as a hashtable keyed lookup function, or as a general PRF for short input use cases, such as sequence numbers or RNG chaining. For the first

[PATCH v2 net-next 1/4] siphash: add cryptographically secure PRF

2017-01-07 Thread Jason A. Donenfeld
SipHash is a 64-bit keyed hash function that is actually a cryptographically secure PRF, like HMAC. Except SipHash is super fast, and is meant to be used as a hashtable keyed lookup function, or as a general PRF for short input use cases, such as sequence numbers or RNG chaining. For the first