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How to use _getsignature method in autotest

Best Python code snippet using autotest_python

mp3Stego.py

Source:mp3Stego.py

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:...

UrlSignature.py

Source:UrlSignature.py

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"
...

Anagrams.py

Source:Anagrams.py

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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