gistfile1.txt

import urllib2
import re
import base64

def searchForNext(str, unique):
    d = 10
    last = str[-d:]
    print "searching for continuation of " + last
    matches = []
    for x in unique:
        pos = x.find(last)
        if pos != -1: matches.append((pos,x))
    print "matches: %d" % (len(matches))
    if not matches: return None

    matches.sort(lambda x,y: x[0]-y[0])
    match = matches[0]

    return match[1][match[0]+d:]

data = urllib2.urlopen("https://raw.github.com/gist/4a65eadfbdc81b5eeb43/3591eb5
exp = re.compile(r'([0-9abcdef]{100})')
matches = exp.findall(data)
unique = list(set(matches))
unique.sort()

result = "497a78705032357759326873634855675a43526c595341675044317a494852685a484a

while True:
    next = searchForNext(result, unique)
    if not next: break

    result += next

print "hex: " + result

f = lambda s: "".join([chr(int(s[i:i+2],16)) for i in xrange(0, len(s)) if i % 2

result = f(result)
print "base64: " + result

for i in xrange(0,3):
    try:
        print result
        result = base64.b64decode(result)
        print "success: " + result
        break
    except TypeError:
        result += "="

result1 = "".join([result[x] for x in xrange(0, len(result)) if x % 2 == 0])
result2 = "".join([result[x] for x in xrange(0, len(result)) if x % 2 == 1])

print result1
print result2