## 0.11.101.0
- Add `hkdf` function providing HKDF-SHA256 conforming to RFC5869
- Declare `Crypto.Hash.SHA256` module `-XTrustworthy`
- Remove ineffective RULES
- Convert to `CApiFFI`
- Added `...AndLength` variants of hashing functions:
- `finalizeAndLength`
- `hashlazyAndLength`
- `hmaclazyAndLength`
- Minor optimizations in `hmac` and `hash`
## 0.11.100.1
- Use `__builtin_bswap{32,64}` only with GCC >= 4.3
([#1](https://github.com/hvr/cryptohash-sha256/issues/1))
## 0.11.100.0
- new `hmac` and `hmaclazy` functions providing HMAC-SHA256
computation conforming to RFC2104 and RFC4231
- fix unaligned memory-accesses
## 0.11.7.2
- switch to 'safe' FFI for calls where overhead becomes neglible
- removed inline assembly in favour of portable C constructs
- fix 32bit length overflow bug in `hash` function
- fix inaccurate context-size
- add context-size verification to incremental API operations
## 0.11.7.1
- first version forked off `cryptohash-0.11.7` release