Changed HMAC and Hash params to `any`, as Buffers are also allowed / returned.
Merge remote-tracking branch 'upstream/master'
Changes agreed on in
https://github.com/borisyankov/DefinitelyTyped/pull/2309/files#r13778987

moved `createDecipher` function out of the cipher-interface
Fix: Substitute `any` with Buffer
Merge pull request #2309 from johnnycrab/master

node.js crypto: Changed HMAC and Hash params to `any`