tools v5.0
Introduction of alfcrypto library for speed Reorganisation of archive plugins,apps,other
This commit is contained in:
@@ -1,250 +1,290 @@
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#! /usr/bin/python
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# vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
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#! /usr/bin/env python
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import sys
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import csv
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import os
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import getopt
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import sys, os
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import hmac
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from struct import pack
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from struct import unpack
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import hashlib
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class PParser(object):
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def __init__(self, gd, flatxml, meta_array):
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self.gd = gd
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self.flatdoc = flatxml.split('\n')
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self.docSize = len(self.flatdoc)
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self.temp = []
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self.ph = -1
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self.pw = -1
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startpos = self.posinDoc('page.h') or self.posinDoc('book.h')
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for p in startpos:
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(name, argres) = self.lineinDoc(p)
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self.ph = max(self.ph, int(argres))
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startpos = self.posinDoc('page.w') or self.posinDoc('book.w')
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for p in startpos:
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(name, argres) = self.lineinDoc(p)
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self.pw = max(self.pw, int(argres))
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if self.ph <= 0:
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self.ph = int(meta_array.get('pageHeight', '11000'))
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if self.pw <= 0:
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self.pw = int(meta_array.get('pageWidth', '8500'))
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# interface to needed routines libalfcrypto
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def _load_libalfcrypto():
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import ctypes
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from ctypes import CDLL, byref, POINTER, c_void_p, c_char_p, c_int, c_long, \
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Structure, c_ulong, create_string_buffer, addressof, string_at, cast, sizeof
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res = []
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startpos = self.posinDoc('info.glyph.x')
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for p in startpos:
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argres = self.getDataatPos('info.glyph.x', p)
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res.extend(argres)
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self.gx = res
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res = []
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startpos = self.posinDoc('info.glyph.y')
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for p in startpos:
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argres = self.getDataatPos('info.glyph.y', p)
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res.extend(argres)
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self.gy = res
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res = []
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startpos = self.posinDoc('info.glyph.glyphID')
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for p in startpos:
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argres = self.getDataatPos('info.glyph.glyphID', p)
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res.extend(argres)
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self.gid = res
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# return tag at line pos in document
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def lineinDoc(self, pos) :
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if (pos >= 0) and (pos < self.docSize) :
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item = self.flatdoc[pos]
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if item.find('=') >= 0:
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(name, argres) = item.split('=',1)
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else :
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name = item
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argres = ''
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return name, argres
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# find tag in doc if within pos to end inclusive
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def findinDoc(self, tagpath, pos, end) :
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result = None
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if end == -1 :
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end = self.docSize
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pointer_size = ctypes.sizeof(ctypes.c_voidp)
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name_of_lib = None
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if sys.platform.startswith('darwin'):
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name_of_lib = 'libalfcrypto.dylib'
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elif sys.platform.startswith('win'):
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if pointer_size == 4:
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name_of_lib = 'alfcrypto.dll'
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else:
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end = min(self.docSize, end)
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foundat = -1
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for j in xrange(pos, end):
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item = self.flatdoc[j]
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if item.find('=') >= 0:
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(name, argres) = item.split('=',1)
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else :
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name = item
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argres = ''
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if name.endswith(tagpath) :
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result = argres
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foundat = j
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break
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return foundat, result
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# return list of start positions for the tagpath
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def posinDoc(self, tagpath):
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startpos = []
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pos = 0
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res = ""
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while res != None :
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(foundpos, res) = self.findinDoc(tagpath, pos, -1)
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if res != None :
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startpos.append(foundpos)
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pos = foundpos + 1
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return startpos
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def getData(self, path):
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result = None
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cnt = len(self.flatdoc)
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for j in xrange(cnt):
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item = self.flatdoc[j]
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if item.find('=') >= 0:
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(name, argt) = item.split('=')
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argres = argt.split('|')
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else:
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name = item
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argres = []
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if (name.endswith(path)):
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result = argres
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break
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if (len(argres) > 0) :
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for j in xrange(0,len(argres)):
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argres[j] = int(argres[j])
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return result
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def getDataatPos(self, path, pos):
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result = None
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item = self.flatdoc[pos]
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if item.find('=') >= 0:
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(name, argt) = item.split('=')
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argres = argt.split('|')
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else:
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name = item
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argres = []
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if (len(argres) > 0) :
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for j in xrange(0,len(argres)):
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argres[j] = int(argres[j])
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if (name.endswith(path)):
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result = argres
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return result
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def getDataTemp(self, path):
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result = None
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cnt = len(self.temp)
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for j in xrange(cnt):
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item = self.temp[j]
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if item.find('=') >= 0:
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(name, argt) = item.split('=')
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argres = argt.split('|')
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else:
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name = item
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argres = []
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if (name.endswith(path)):
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result = argres
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self.temp.pop(j)
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break
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if (len(argres) > 0) :
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for j in xrange(0,len(argres)):
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argres[j] = int(argres[j])
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return result
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def getImages(self):
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result = []
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self.temp = self.flatdoc
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while (self.getDataTemp('img') != None):
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h = self.getDataTemp('img.h')[0]
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w = self.getDataTemp('img.w')[0]
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x = self.getDataTemp('img.x')[0]
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y = self.getDataTemp('img.y')[0]
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src = self.getDataTemp('img.src')[0]
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result.append('<image xlink:href="../img/img%04d.jpg" x="%d" y="%d" width="%d" height="%d" />\n' % (src, x, y, w, h))
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return result
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def getGlyphs(self):
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result = []
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if (self.gid != None) and (len(self.gid) > 0):
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glyphs = []
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for j in set(self.gid):
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glyphs.append(j)
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glyphs.sort()
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for gid in glyphs:
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id='id="gl%d"' % gid
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path = self.gd.lookup(id)
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if path:
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result.append(id + ' ' + path)
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return result
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def convert2SVG(gdict, flat_xml, pageid, previd, nextid, svgDir, raw, meta_array, scaledpi):
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ml = ''
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pp = PParser(gdict, flat_xml, meta_array)
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ml += '<?xml version="1.0" standalone="no"?>\n'
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if (raw):
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ml += '<!DOCTYPE svg PUBLIC "-//W3C/DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n'
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ml += '<svg width="%fin" height="%fin" viewBox="0 0 %d %d" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">\n' % (pp.pw / scaledpi, pp.ph / scaledpi, pp.pw -1, pp.ph -1)
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ml += '<title>Page %d - %s by %s</title>\n' % (pageid, meta_array['Title'],meta_array['Authors'])
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name_of_lib = 'alfcrypto64.dll'
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else:
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ml += '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">\n'
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ml += '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" ><head>\n'
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ml += '<title>Page %d - %s by %s</title>\n' % (pageid, meta_array['Title'],meta_array['Authors'])
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ml += '<script><![CDATA[\n'
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ml += 'function gd(){var p=window.location.href.replace(/^.*\?dpi=(\d+).*$/i,"$1");return p;}\n'
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ml += 'var dpi=%d;\n' % scaledpi
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if (previd) :
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ml += 'var prevpage="page%04d.xhtml";\n' % (previd)
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if (nextid) :
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ml += 'var nextpage="page%04d.xhtml";\n' % (nextid)
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ml += 'var pw=%d;var ph=%d;' % (pp.pw, pp.ph)
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ml += 'function zoomin(){dpi=dpi*(0.8);setsize();}\n'
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ml += 'function zoomout(){dpi=dpi*1.25;setsize();}\n'
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ml += 'function setsize(){var svg=document.getElementById("svgimg");var prev=document.getElementById("prevsvg");var next=document.getElementById("nextsvg");var width=(pw/dpi)+"in";var height=(ph/dpi)+"in";svg.setAttribute("width",width);svg.setAttribute("height",height);prev.setAttribute("height",height);prev.setAttribute("width","50px");next.setAttribute("height",height);next.setAttribute("width","50px");}\n'
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ml += 'function ppage(){window.location.href=prevpage+"?dpi="+Math.round(dpi);}\n'
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ml += 'function npage(){window.location.href=nextpage+"?dpi="+Math.round(dpi);}\n'
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ml += 'var gt=gd();if(gt>0){dpi=gt;}\n'
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ml += 'window.onload=setsize;\n'
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ml += ']]></script>\n'
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ml += '</head>\n'
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ml += '<body onLoad="setsize();" style="background-color:#777;text-align:center;">\n'
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ml += '<div style="white-space:nowrap;">\n'
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if previd == None:
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ml += '<a href="javascript:ppage();"><svg id="prevsvg" viewBox="0 0 100 300" xmlns="http://www.w3.org/2000/svg" version="1.1" style="background-color:#777"></svg></a>\n'
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if pointer_size == 4:
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name_of_lib = 'libalfcrypto32.so'
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else:
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ml += '<a href="javascript:ppage();"><svg id="prevsvg" viewBox="0 0 100 300" xmlns="http://www.w3.org/2000/svg" version="1.1" style="background-color:#777"><polygon points="5,150,95,5,95,295" fill="#AAAAAA" /></svg></a>\n'
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ml += '<a href="javascript:npage();"><svg id="svgimg" viewBox="0 0 %d %d" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" style="background-color:#FFF;border:1px solid black;">' % (pp.pw, pp.ph)
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if (pp.gid != None):
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ml += '<defs>\n'
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gdefs = pp.getGlyphs()
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for j in xrange(0,len(gdefs)):
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ml += gdefs[j]
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ml += '</defs>\n'
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img = pp.getImages()
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if (img != None):
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for j in xrange(0,len(img)):
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ml += img[j]
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if (pp.gid != None):
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for j in xrange(0,len(pp.gid)):
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ml += '<use xlink:href="#gl%d" x="%d" y="%d" />\n' % (pp.gid[j], pp.gx[j], pp.gy[j])
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if (img == None or len(img) == 0) and (pp.gid == None or len(pp.gid) == 0):
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xpos = "%d" % (pp.pw // 3)
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ypos = "%d" % (pp.ph // 3)
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ml += '<text x="' + xpos + '" y="' + ypos + '" font-size="' + meta_array['fontSize'] + '" font-family="Helvetica" stroke="black">This page intentionally left blank.</text>\n'
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if (raw) :
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ml += '</svg>'
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else :
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ml += '</svg></a>\n'
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if nextid == None:
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ml += '<a href="javascript:npage();"><svg id="nextsvg" viewBox="0 0 100 300" xmlns="http://www.w3.org/2000/svg" version="1.1" style="background-color:#777"></svg></a>\n'
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else :
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ml += '<a href="javascript:npage();"><svg id="nextsvg" viewBox="0 0 100 300" xmlns="http://www.w3.org/2000/svg" version="1.1" style="background-color:#777"><polygon points="5,5,5,295,95,150" fill="#AAAAAA" /></svg></a>\n'
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ml += '</div>\n'
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ml += '<div><a href="javascript:zoomin();">zoom in</a> - <a href="javascript:zoomout();">zoom out</a></div>\n'
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ml += '</body>\n'
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ml += '</html>\n'
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return ml
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name_of_lib = 'libalfcrypto64.so'
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libalfcrypto = sys.path[0] + os.sep + name_of_lib
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if not os.path.isfile(libalfcrypto):
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raise Exception('libalfcrypto not found')
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libalfcrypto = CDLL(libalfcrypto)
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c_char_pp = POINTER(c_char_p)
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c_int_p = POINTER(c_int)
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def F(restype, name, argtypes):
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func = getattr(libalfcrypto, name)
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func.restype = restype
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func.argtypes = argtypes
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return func
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# aes cbc decryption
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#
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# struct aes_key_st {
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# unsigned long rd_key[4 *(AES_MAXNR + 1)];
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# int rounds;
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# };
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#
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# typedef struct aes_key_st AES_KEY;
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#
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# int AES_set_decrypt_key(const unsigned char *userKey, const int bits, AES_KEY *key);
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#
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#
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# void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
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# const unsigned long length, const AES_KEY *key,
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# unsigned char *ivec, const int enc);
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AES_MAXNR = 14
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class AES_KEY(Structure):
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_fields_ = [('rd_key', c_long * (4 * (AES_MAXNR + 1))), ('rounds', c_int)]
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AES_KEY_p = POINTER(AES_KEY)
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AES_cbc_encrypt = F(None, 'AES_cbc_encrypt',[c_char_p, c_char_p, c_ulong, AES_KEY_p, c_char_p, c_int])
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AES_set_decrypt_key = F(c_int, 'AES_set_decrypt_key',[c_char_p, c_int, AES_KEY_p])
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# Pukall 1 Cipher
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# unsigned char *PC1(const unsigned char *key, unsigned int klen, const unsigned char *src,
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# unsigned char *dest, unsigned int len, int decryption);
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PC1 = F(c_char_p, 'PC1', [c_char_p, c_ulong, c_char_p, c_char_p, c_ulong, c_ulong])
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# Topaz Encryption
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# typedef struct _TpzCtx {
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# unsigned int v[2];
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# } TpzCtx;
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#
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# void topazCryptoInit(TpzCtx *ctx, const unsigned char *key, int klen);
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# void topazCryptoDecrypt(const TpzCtx *ctx, const unsigned char *in, unsigned char *out, int len);
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class TPZ_CTX(Structure):
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_fields_ = [('v', c_long * 2)]
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TPZ_CTX_p = POINTER(TPZ_CTX)
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topazCryptoInit = F(None, 'topazCryptoInit', [TPZ_CTX_p, c_char_p, c_ulong])
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topazCryptoDecrypt = F(None, 'topazCryptoDecrypt', [TPZ_CTX_p, c_char_p, c_char_p, c_ulong])
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class AES_CBC(object):
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def __init__(self):
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self._blocksize = 0
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self._keyctx = None
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self._iv = 0
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def set_decrypt_key(self, userkey, iv):
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self._blocksize = len(userkey)
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if (self._blocksize != 16) and (self._blocksize != 24) and (self._blocksize != 32) :
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raise Exception('AES CBC improper key used')
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return
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keyctx = self._keyctx = AES_KEY()
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self._iv = iv
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rv = AES_set_decrypt_key(userkey, len(userkey) * 8, keyctx)
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if rv < 0:
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raise Exception('Failed to initialize AES CBC key')
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def decrypt(self, data):
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out = create_string_buffer(len(data))
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mutable_iv = create_string_buffer(self._iv, len(self._iv))
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rv = AES_cbc_encrypt(data, out, len(data), self._keyctx, mutable_iv, 0)
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if rv == 0:
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raise Exception('AES CBC decryption failed')
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return out.raw
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class Pukall_Cipher(object):
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def __init__(self):
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self.key = None
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def PC1(self, key, src, decryption=True):
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self.key = key
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out = create_string_buffer(len(src))
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de = 0
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if decryption:
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de = 1
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rv = PC1(key, len(key), src, out, len(src), de)
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return out.raw
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class Topaz_Cipher(object):
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def __init__(self):
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self._ctx = None
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def ctx_init(self, key):
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tpz_ctx = self._ctx = TPZ_CTX()
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topazCryptoInit(tpz_ctx, key, len(key))
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return tpz_ctx
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def decrypt(self, data, ctx=None):
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if ctx == None:
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ctx = self._ctx
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out = create_string_buffer(len(data))
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topazCryptoDecrypt(ctx, data, out, len(data))
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return out.raw
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print "Using Library AlfCrypto DLL/DYLIB/SO"
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return (AES_CBC, Pukall_Cipher, Topaz_Cipher)
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def _load_python_alfcrypto():
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import aescbc
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class Pukall_Cipher(object):
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def __init__(self):
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self.key = None
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def PC1(self, key, src, decryption=True):
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sum1 = 0;
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sum2 = 0;
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keyXorVal = 0;
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if len(key)!=16:
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print "Bad key length!"
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return None
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wkey = []
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for i in xrange(8):
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wkey.append(ord(key[i*2])<<8 | ord(key[i*2+1]))
|
||||
dst = ""
|
||||
for i in xrange(len(src)):
|
||||
temp1 = 0;
|
||||
byteXorVal = 0;
|
||||
for j in xrange(8):
|
||||
temp1 ^= wkey[j]
|
||||
sum2 = (sum2+j)*20021 + sum1
|
||||
sum1 = (temp1*346)&0xFFFF
|
||||
sum2 = (sum2+sum1)&0xFFFF
|
||||
temp1 = (temp1*20021+1)&0xFFFF
|
||||
byteXorVal ^= temp1 ^ sum2
|
||||
curByte = ord(src[i])
|
||||
if not decryption:
|
||||
keyXorVal = curByte * 257;
|
||||
curByte = ((curByte ^ (byteXorVal >> 8)) ^ byteXorVal) & 0xFF
|
||||
if decryption:
|
||||
keyXorVal = curByte * 257;
|
||||
for j in xrange(8):
|
||||
wkey[j] ^= keyXorVal;
|
||||
dst+=chr(curByte)
|
||||
return dst
|
||||
|
||||
class Topaz_Cipher(object):
|
||||
def __init__(self):
|
||||
self._ctx = None
|
||||
|
||||
def ctx_init(self, key):
|
||||
ctx1 = 0x0CAFFE19E
|
||||
for keyChar in key:
|
||||
keyByte = ord(keyChar)
|
||||
ctx2 = ctx1
|
||||
ctx1 = ((((ctx1 >>2) * (ctx1 >>7))&0xFFFFFFFF) ^ (keyByte * keyByte * 0x0F902007)& 0xFFFFFFFF )
|
||||
self._ctx = [ctx1, ctx2]
|
||||
return [ctx1,ctx2]
|
||||
|
||||
def decrypt(self, data, ctx=None):
|
||||
if ctx == None:
|
||||
ctx = self._ctx
|
||||
ctx1 = ctx[0]
|
||||
ctx2 = ctx[1]
|
||||
plainText = ""
|
||||
for dataChar in data:
|
||||
dataByte = ord(dataChar)
|
||||
m = (dataByte ^ ((ctx1 >> 3) &0xFF) ^ ((ctx2<<3) & 0xFF)) &0xFF
|
||||
ctx2 = ctx1
|
||||
ctx1 = (((ctx1 >> 2) * (ctx1 >> 7)) &0xFFFFFFFF) ^((m * m * 0x0F902007) &0xFFFFFFFF)
|
||||
plainText += chr(m)
|
||||
return plainText
|
||||
|
||||
class AES_CBC(object):
|
||||
def __init__(self):
|
||||
self._key = None
|
||||
self._iv = None
|
||||
self.aes = None
|
||||
|
||||
def set_decrypt_key(self, userkey, iv):
|
||||
self._key = userkey
|
||||
self._iv = iv
|
||||
self.aes = aescbc.AES_CBC(userkey, aescbc.noPadding(), len(userkey))
|
||||
|
||||
def decrypt(self, data):
|
||||
iv = self._iv
|
||||
cleartext = self.aes.decrypt(iv + data)
|
||||
return cleartext
|
||||
|
||||
return (AES_CBC, Pukall_Cipher, Topaz_Cipher)
|
||||
|
||||
|
||||
def _load_crypto():
|
||||
AES_CBC = Pukall_Cipher = Topaz_Cipher = None
|
||||
cryptolist = (_load_libalfcrypto, _load_python_alfcrypto)
|
||||
for loader in cryptolist:
|
||||
try:
|
||||
AES_CBC, Pukall_Cipher, Topaz_Cipher = loader()
|
||||
break
|
||||
except (ImportError, Exception):
|
||||
pass
|
||||
return AES_CBC, Pukall_Cipher, Topaz_Cipher
|
||||
|
||||
AES_CBC, Pukall_Cipher, Topaz_Cipher = _load_crypto()
|
||||
|
||||
|
||||
class KeyIVGen(object):
|
||||
# this only exists in openssl so we will use pure python implementation instead
|
||||
# PKCS5_PBKDF2_HMAC_SHA1 = F(c_int, 'PKCS5_PBKDF2_HMAC_SHA1',
|
||||
# [c_char_p, c_ulong, c_char_p, c_ulong, c_ulong, c_ulong, c_char_p])
|
||||
def pbkdf2(self, passwd, salt, iter, keylen):
|
||||
|
||||
def xorstr( a, b ):
|
||||
if len(a) != len(b):
|
||||
raise Exception("xorstr(): lengths differ")
|
||||
return ''.join((chr(ord(x)^ord(y)) for x, y in zip(a, b)))
|
||||
|
||||
def prf( h, data ):
|
||||
hm = h.copy()
|
||||
hm.update( data )
|
||||
return hm.digest()
|
||||
|
||||
def pbkdf2_F( h, salt, itercount, blocknum ):
|
||||
U = prf( h, salt + pack('>i',blocknum ) )
|
||||
T = U
|
||||
for i in range(2, itercount+1):
|
||||
U = prf( h, U )
|
||||
T = xorstr( T, U )
|
||||
return T
|
||||
|
||||
sha = hashlib.sha1
|
||||
digest_size = sha().digest_size
|
||||
# l - number of output blocks to produce
|
||||
l = keylen / digest_size
|
||||
if keylen % digest_size != 0:
|
||||
l += 1
|
||||
h = hmac.new( passwd, None, sha )
|
||||
T = ""
|
||||
for i in range(1, l+1):
|
||||
T += pbkdf2_F( h, salt, iter, i )
|
||||
return T[0: keylen]
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user