How to use _getsignature method in autotest

Best Python code snippet using autotest_python

mp3Stego.py

Source:mp3Stego.py Github

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1import mp3Parser2import math3isModifiedBool = False4sizeOfMessage = 05def signature(isModifiedNum, size):6 mp3Parser.seekStart()7 _embed(1) # start num8 if(size > 255):9 loop = math.floor(size / 255)10 _embed(loop) # to see how many times extract to calculate size of embedded message11 _embed(isModifiedNum) # is modified flag12 _embed(1) # to set flag whether size is bigger than 25513 _embed(size % 255)14 else:15 _embed(size) # to see how many times extract to calculate size of embedded message loop buradan geliyor16 _embed(isModifiedNum) # is modified flag17 _embed(0) # zero means the size of message is equal to 255 or smaller than 25518def _getSignature():19 global sizeOfMessage20 isModifiedBool = False21 mp3Parser.seekStart()22 _extract()23 mp3Parser.nextFrame()24 loop = _extract()25 mp3Parser.nextFrame()26 ismodifiednum = _extract()27 mp3Parser.nextFrame()28 flag = _extract()29 if((ismodifiednum == 23) | (ismodifiednum == 33)):30 isModifiedBool = True31 if(flag == 1):32 mp3Parser.nextFrame()33 mod = _extract()34 sizeOfMessage = mod + loop*25535 else:36 sizeOfMessage = loop37 return sizeOfMessage, isModifiedBool, ismodifiednum38def _embed(payload):39 array = 0x0F40 for i in range(2):41 header = mp3Parser.getFrameHeader()42 header[1] = header[1] & 0xF043 a = payload & array44 header[1] = header[1] | a45 payload = payload >> 446 mp3Parser.setFrameHeader(header)47 mp3Parser.nextFrame()48def _extract():49 topla = 0x0F50 header = mp3Parser.getFrameHeader()51 topla = topla & header[1]52 mp3Parser.nextFrame()53 header = mp3Parser.getFrameHeader()54 header[1] = header[1] << 455 binary = format(header[1], "08b")56 header[1] = int(binary[-8:], 2)57 topla = topla | header[1]58 return topla59def _countFrames():60 mp3Parser.seekStart()61 size, isModifiedBool, ismodifiednumber = _getSignature()62 print(isModifiedBool)63 print(ismodifiednumber)64 mp3Parser.nextFrame()65 frames = 066 while mp3Parser.hasNext():67 frames += 168 mp3Parser.nextFrame()69 if(isModifiedBool):70 frames -= size71 return frames72def calculateEmptyBytes():73 frameCount = _countFrames()74 print(frameCount)75 frameCount = math.floor(frameCount/2)76 kiloByte = frameCount / 100077 return kiloByte78def isModified():79 mp3Parser.seekStart()80 frames, isModifiedBool, ismodifiednumber= _getSignature()81 mp3Parser.nextFrame()82 return frames,isModifiedBool83def embedText(isModifiedNum, message):84 mp3Parser.seekStart()85 signature(isModifiedNum, len(message))86 for i in message:87 _embed(i)88def extractText():89 mp3Parser.seekStart()90 enc = []91 frames, isModifiedBool, ismodifiednum = _getSignature()92 mp3Parser.nextFrame()93 i = 094 while i < frames:95 enc.append(_extract())96 mp3Parser.nextFrame()97 i += 198 return enc, ismodifiednum99def yazdir(newfilename):100 with open(newfilename, 'wb') as writer:...

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UrlSignature.py

Source:UrlSignature.py Github

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1'''2Created on 2. feb. 201234@author: pcn5'''6import hashlib7import time89class UrlSignature(object):10 def __init__(self, passwd = "GoGoGrillazEatingBananasFtw"):11 self._passwd = passwd12 self._offset = 01314 def setPasswd(self, passwd):15 self._passwd = passwd1617 def calculateOffset(self, serverTime):18 self._offset = serverTime - time.time()1920#GoGoGrillazEatingBananasFtw??imageThumb=0C&time=0.00&sigTime=1328193128.45 -> 9bbe4e9f088c673b8bf7e6201eeaecb9eb999b20471734192d7a12ef21#GoGoGrillazEatingBananasFtw?imageThumb=0C&time=0.00&sigTime=1328193128.4522 def _getSignature(self, query):23 if(query.startswith("?") == False):24 query = "?" + query25 passwdAndQuery = self._passwd + query26 return hashlib.sha224(passwdAndQuery).hexdigest()2728 def getUrlWithSignature(self, url):29 timeString = str(time.time() + self._offset)30 urlPlusTime = url + "&sigTime=" + timeString31 signature = self._getSignature(urlPlusTime)32 return urlPlusTime + "&sig=%s" % signature3334 def getSigantureFieldsForFile(self, fileType, fileName, fileData):35 returnFields = []36 timeString = str(time.time() + self._offset)37 returnFields.append(("sigTime", timeString))38 if(fileData == None):39 fileData = ""40 combinedString = self._passwd + "sigTime" + timeString + fileType + fileName + str(fileData)41 returnFields.append(("sig", hashlib.sha224(combinedString).hexdigest()))42 return returnFields4344 def verifySignature(self, url):45 urlSplit = url.split("&sig=", 1)46 query = urlSplit[0]47 querySignature = urlSplit[1]48 if(self._getSignature(query) == querySignature):49 urlSplit2 = query.split("&sigTime=", 1)50 query = urlSplit2[0]51 queryTime = float(urlSplit2[1])52 if(abs(time.time() - queryTime) < 30.0):53 return query54 else:55 print "abs(time.time() - queryTime) >= 30.0 " + str(abs(time.time() - queryTime)) + " time: " + str(time.time()) + " queryTime: " + str(queryTime)56 else:57 print "self._getSignature(query) != querySignature " + str(self._getSignature(query)) + " X " + str(querySignature)58 return None5960 def verifySignatureFields(self, fileType, fileName, fileData, sigTime, sig):61 combinedString = self._passwd + "sigTime" + str(sigTime) + fileType + fileName + str(fileData)62 calcSignature = hashlib.sha224(combinedString).hexdigest()63 if(calcSignature == sig):64 if(abs(time.time() - sigTime) < 30.0):65 return True66 return False67 68def getDefaultUrlSignaturePasswd():69 return "GoGoGrillazEatingBananasFtw" ...

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Anagrams.py

Source:Anagrams.py Github

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1# -*- coding: utf-8 -*-2"""3Created on Tue Aug 25 15:09:40 20204@author: santhilata5"""6'''7Given a string s and a non-empty string p, find all the start indices of p's anagrams in s.8Strings consists of lowercase English letters only and the length of both strings s and p will 9not be larger than 20,100.10The order of output does not matter.11Example 1:12 Input: s: "cbaebabacd" p: "abc"13 Output : [0,6]14 15Example 2:16 Input: s: "abab" p: "ab"17 Output: [0,1,2]18'''19s= "abab"20p= "ab"21#s= "cbaebabacd" 22#p= "abc"23def _getSignature(st):24 25 arr = [0]*2626 for ch in st:27 pos = ord(ch)-9728 arr[pos] += 129 30 signature = ''.join([str(i) for i in arr])31 return signature32def _findAnagrams(s, p):33 34 if len(s)<len(p):35 return [-1]36 37 if len(s) == len(p):38 if s==p:39 return [0]40 else:41 return [-1]42 43 window = len(p)44 result =[]45 sign_s = _getSignature(p)46 47 for i in range(len(s)-window+1):48 49 temp = _getSignature(s[i:i+window])50 51 if sign_s == temp:52 53 result.append(i)54 55 return result56result = _findAnagrams(s,p)57print(result)58from collections import Counter59def _findAnagrams1(s,p):60 61 result = []62 if len(s)<len(p):63 return result64 65 if len(s) == len(p):66 if s==p:67 return [0]68 else:69 return result70 71 72 window = len(p)73 74 sign_s = Counter(p)75 76 for i in range(len(s)-window+1):77 78 temp = Counter(s[i:i+window])79 80 if sign_s == temp:81 82 result.append(i)83 84 return result85result = _findAnagrams1(s, p)86print(result)87def findAnagrams_best( s: str, p: str) :88 answer = []89 m, n = len(s), len(p)90 if m < n:91 return answer92 pCounter = Counter(p)93 sCounter = Counter(s[:n-1])94 print(pCounter)95 print(sCounter)96 index = 097 for index in range(n - 1, m):98 sCounter[s[index]] += 199 if sCounter == pCounter:100 answer.append(index - n + 1)101 sCounter[s[index - n + 1]] -= 1102 if sCounter[s[index - n + 1]] == 0:103 del sCounter[s[index - n + 1]]104 return answer105result = findAnagrams_best(s, p)...

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