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原创 buuctf Crypto 还原大师
buuctf 还原大师MD5爆破得到flag{E9032994DABAC08080091151380478A2}
2021-03-19 00:38:56
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原创 buuctf Crypto 异性相吸
buuctf 异性相吸下载解压得到题目似乎没有什么有用的信息,用010editor打开运行脚本得到异或结果:a = '011000010111001101100001011001000111001101100001011100110110010001100001011100110110010001100001011100110110010001100001011100110110010001100001011100110110010001100001011100110110010001100
2021-03-19 00:34:11
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原创 buuctf Crypto RSA
buuctf RSA下载文件得到两个文件pub.key即是公钥,用IDA打开MDwwDQYJKoZIhvcNAQEBBQADKwAwKAIhAMAzLFxkrkcYL2wch21CM2kQVFpY9+7+/AvKr1rzQczdAgMBAAE=提取出公钥中所含信息key长度: 256模数: C0332C5C64AE47182F6C1C876D42336910545A58F7EEFEFC0BCAAF5AF341CCDD指数: 65537 (0x10001)模数转为十进制即是nn=869
2021-03-17 19:00:13
1054
原创 buuctf Crypto RSA2
buuctf RSA2题目e = 65537n = 2482540078515262411777215266989018029858327661762216096122588773716205800604331015383280303052199186976436198142009306796121098855338013353484450237516704784370730555447242806847332980515991676603036451831461614974853586336814
2021-03-17 18:33:08
772
原创 buuctf Crypto RSA3
buuctf RSA3c1=2232203527566323704164689377045193350932470191348430333807621060354261275895626286964082248647012114942448557136100742129367551633882219528031379499113604814091884247121984026353633888625049268273943641001343665116172072585548486669008478872
2021-03-16 22:53:09
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原创 buuctf Crypto RSA1
buuctf RSA1下载得到题目p = 8637633767257008567099653486541091171320491509433615447539162437911244175885667806398411790524083553445158113502227745206205327690939504032994699902053229q = 12640674973996472769176047937170883420927050821480010581593137135372473880
2021-03-16 22:02:30
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原创 buuctf Crypto 灵能精通-y1ng
buuctf Crypto 灵能精通-y1ng题目是一张图片猪圈密码的变形圣堂武士密码一一对应得到flag{imknightstemplar}
2021-03-12 00:35:40
229
原创 buuctf密码题 萌萌哒的八戒
萌萌哒的八戒buuctf密码题下载解压得到一张图片图片下方即为猪圈密码一一对应得到flag whenthepigwanttoeat
2021-02-01 19:17:09
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原创 buuctf密码题 old-fashion
old-fashionbuuctf密码题下载解压得到题目Os drnuzearyuwn, y jtkjzoztzoes douwlr oj y ilzwex eq lsdexosa kn pwodw tsozj eq ufyoszlbz yrl rlufydlx pozw douwlrzlbz, ydderxosa ze y rlatfyr jnjzli; mjy gfbmw vla xy wbfnsy symmyew (mjy vrwm qrvvrf), hlbew rd symmyew, meb
2021-02-01 19:07:16
771
原创 buuctf密码题 凯撒?替换?呵呵!
凯撒?替换?呵呵!buuctf密码题依据题目中提到的凯撒先进行凯撒密码解密前四个字母得到的是FMAC而非想要的FLAG,FMAC四个字母之间也无规律可循,故尝试题目中提到的替换https://quipqiup.com/(在线网站)用MTHJ=flag条件得到替换出来的结果将空格去掉得到flag中内容即substitutioncipherdecryptionisalwayseasyjustlikeapieceofcake...
2021-02-01 18:58:30
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原创 buuctf密码 信息化时代的步伐
信息化时代的步伐buuctf密码题题目只有一串数字606046152623600817831216121621196386又由题中说明文为一串中文,可联想到中中文电码在线中文电码查询网址 https://dianma.bmcx.com/得到flag 计算机要从娃娃抓起...
2021-01-18 20:33:40
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原创 buuctf密码题 传统知识+古典密码
传统知识+古典密码BUUCTF上密码题根据六十甲子年表推出每个值,然后再加60,得到88 90 83 68 77 70 76 90,ASCII码为XZSDMFLZ又因为题中提到古典密码,所以想到栅栏加密和凯撒密码解密得到XMZFSLDZ凯撒位移五位得到SHUANGYU...
2021-01-18 19:27:56
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