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CodeForces 721B Passwords (水题)
题意:给定 n 个密码,你要按长度不递减的顺序进行尝试,问你最多和最少试多少次可能找出密码,每尝试 k 次错误的,就要等5秒。 析:我们只要把长度全都统计下来,然后从1开始去找目标长度,最少的就是正好到目标长度,最多的就是把目标长度恰好试完。 代码如下: ...
分类:其他好文   时间:2016-10-01 10:33:55    阅读次数:160
github免输用户名/密码SSH登录的配置
从github上获取的,自己整理了下,以备后用。 Generating an SSH key mac windows mac windows SSH keys are a way to identify trusted computers without involving passwords. Y ...
分类:其他好文   时间:2016-09-22 11:27:42    阅读次数:870
Linux下暴力破解工具Hydra详解
一、简介 Number one of the biggest security holes are passwords, as every password security study shows. Hydra is a parallized login cracker which support ...
分类:系统相关   时间:2016-09-16 19:44:57    阅读次数:359
MySQL 5.7.15 发布,新增 InnoDB 配置选项
MySQL 5.7.15 发布了。更新如下:安全事项: The validate_password plugin now supports the capability of rejecting passwords that match the current session user name, ...
分类:数据库   时间:2016-09-08 21:36:35    阅读次数:209
MySQL 5.7.15 发布,新增 InnoDB 和 CMake 选项
MySQL 5.7.15 发布了。更新如下: 安全事项: The validate_password plugin now supports the capability of rejecting passwords that match the current session user name, ...
分类:数据库   时间:2016-09-08 18:09:02    阅读次数:313
sql登录账号密码比对
--find SQL login with blank passwords select name,type_desc,create_date from sys.sql_logins where pwdcompare('', password_hash) = 1 --find SQL login w ...
分类:数据库   时间:2016-07-23 15:17:29    阅读次数:452
UESTC 2016 Summer Training #1 Div.2 E - Accepted Passwords 讨论
看清楚题目就好了 or if the user’s password length is at least 8 characters and the user made a mistake with only one character (either replaced it with a wrong character or dropped it). 然后讨论一下就好了...
分类:其他好文   时间:2016-07-13 17:13:48    阅读次数:226
Gym 100989E 字符串
Description standard input/output Islam is usually in a hurry. He often types his passwords incorrectly. He hates retyping his password several times ...
分类:其他好文   时间:2016-07-12 17:32:36    阅读次数:164
Authentication
Authentication Introduction Configuration Storing Passwords Authenticating Users Basic Usage Introduction All the classes of the Auth system live in t ...
分类:其他好文   时间:2016-07-05 11:55:52    阅读次数:172
Your password has expired. To log in you must change it using a client that supports expired passwords
msyql 5.7.11版本安装 mysql生成的root的临时密码是 2016-05-10T10:05:47.421912Z 1 [Note] A temporary password is generated for root@localhost: v:gNXSw5FTkw 使用 mysql - ...
分类:其他好文   时间:2016-05-10 20:36:16    阅读次数:187
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