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digest = '60ad8d0d871b6095808297'
DEFAULT_WORDLIST = [
'ack', 'alabama', 'alanine', 'alaska', 'alpha', 'angel', 'apart', 'april',
'arizona', 'arkansas', 'artist', 'asparagus', 'aspen', 'august', 'autumn',
'avocado', 'bacon', 'bakerloo', 'batman', 'beer', 'berlin', 'beryllium',
'black', 'blossom', 'blue', 'bluebird', 'bravo', 'bulldog', 'burger',
'butter', 'california', 'carbon', 'cardinal', 'carolina', 'carpet', 'cat',
'ceiling', 'charlie', 'chicken', 'coffee', 'cola', 'cold', 'colorado',
'comet', 'connecticut', 'crazy', 'cup', 'dakota', 'december', 'delaware',
'delta', 'diet', 'don', 'double', 'early', 'earth', 'east', 'echo',
'edward', 'eight', 'eighteen', 'eleven', 'emma', 'enemy', 'equal',
'failed', 'fanta', 'fifteen', 'fillet', 'finch', 'fish', 'five', 'fix',
'floor', 'florida', 'football', 'four', 'fourteen', 'foxtrot', 'freddie',
'friend', 'fruit', 'gee', 'georgia', 'glucose', 'golf', 'green', 'grey',
'hamper', 'happy', 'harry', 'hawaii', 'helium', 'high', 'hot', 'hotel',
'hydrogen', 'idaho', 'illinois', 'india', 'indigo', 'ink', 'iowa',
'island', 'item', 'jersey', 'jig', 'johnny', 'juliet', 'july', 'jupiter',
'kansas', 'kentucky', 'kilo', 'king', 'kitten', 'lactose', 'lake', 'lamp',
'lemon', 'leopard', 'lima', 'lion', 'lithium', 'london', 'louisiana',
'low', 'magazine', 'magnesium', 'maine', 'mango', 'march', 'mars',
'maryland', 'massachusetts', 'may', 'mexico', 'michigan', 'mike',
'minnesota', 'mirror', 'mississippi', 'missouri', 'mobile', 'mockingbird',
'monkey', 'montana', 'moon', 'mountain', 'muppet', 'music', 'nebraska',
'neptune', 'network', 'nevada', 'nine', 'nineteen', 'nitrogen', 'north',
'november', 'nuts', 'october', 'ohio', 'oklahoma', 'one', 'orange',
'oranges', 'oregon', 'oscar', 'oven', 'oxygen', 'papa', 'paris', 'pasta',
'pennsylvania', 'pip', 'pizza', 'pluto', 'potato', 'princess', 'purple',
'quebec', 'queen', 'quiet', 'red', 'river', 'robert', 'robin', 'romeo',
'rugby', 'sad', 'salami', 'saturn', 'september', 'seven', 'seventeen',
'shade', 'sierra', 'single', 'sink', 'six', 'sixteen', 'skylark', 'snake',
'social', 'sodium', 'solar', 'south', 'spaghetti', 'speaker', 'spring',
'stairway', 'steak', 'stream', 'summer', 'sweet', 'table', 'tango', 'ten',
'tennessee', 'tennis', 'texas', 'thirteen', 'three', 'timing', 'triple',
'twelve', 'twenty', 'two', 'uncle', 'undress', 'uniform', 'uranus', 'utah',
'vegan', 'venus', 'vermont', 'victor', 'video', 'violet', 'virginia',
'washington', 'west', 'whiskey', 'white', 'william', 'winner', 'winter',
'wisconsin', 'wolfram', 'wyoming', 'xray', 'yankee', 'yellow', 'zebra',
'zulu']
class HumanHasher
constructor: (wordlist=DEFAULT_WORDLIST) ->
if wordlist.length != 256
throw "Wordlist must have exactly 256 items"
@wordlist = wordlist
bytes = (digest) ->
zips = []
for el, i in digest
if i != (digest.length - 1) and i%2==0
zips.push([digest[i], digest[i+1]])
(parseInt(el.join(''), 16) for el in zips)
xor = (iterable) ->
start = 0
for el in iterable
start ^= el
return start
compress = (bytes, target) ->
seg_size = parseInt(bytes.length / target)
segments = (bytes[i*seg_size...(i+1)*seg_size] for i in [0...target])
last = segments[target-1]
last.push.apply(last, bytes[target*seg_size..])
segments = (xor(el) for el in segments)
return segments
S4 = ->
return (((1+Math.random())*0x10000)|0).toString(16).substring(1)
uid = ->
return (S4()+S4()+""+S4()+""+S4()+""+S4()+""+S4()+S4()+S4())
humanize: (hexdigest, words=4, separator='-') ->
in_bytes = bytes(hexdigest)
compressed = compress(in_bytes, words)
return (@wordlist[el] for el in compressed).join("-")
uuid: ->
digest = uid()
[(@humanize digest), digest]
DEFAULT_HASHER = new HumanHasher()
digest = '7528880a986c40e78c38115e640da2a1'
console.log DEFAULT_HASHER.humanize(digest)
console.log DEFAULT_HASHER.humanize(digest, words=6)
console.log DEFAULT_HASHER.uuid()
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