WebDec 3, 2024 · After repairing the base64 encoding by removing the wrong BEGINPUBLICKEY and ENDPUBLICKEY and then properly padding the remaining base64 with == decoding successfully lead to a proper DER file. $ openssl base64 -d -in pubkey.b64 -out pubkey.der. This then could be transformed to proper PEM. WebMar 28, 2024 · Your modulus n has 179 digits (594 bits), which would take an e x t r e m e l y long time to factor on a single desktop PC. In 2005, it took 15.2 CPU years to factor a 176-digit number. By comparison, the question you linked to only has a 256-bit modulus, which can be cracked in a few minutes using software like msieve.
ssl - How to convert a DER file to a PEM file? - Stack Overflow
WebAug 18, 2024 · Mode 1 - Attack RSA (specify --publickey) publickey : public rsa key to crack. You can import multiple public keys with wildcards. uncipher : cipher message to decrypt. private : display private rsa key if recovered. Mode 2 - Create a Public Key File Given n and e (specify --createpub) n - modulus. e - public exponent. WebMar 29, 2024 · RsaCtfTool是一个可以可以通过public key恢复private key的工具,也可以用来进行解密,CTF比赛中偶尔会用到,下面是安装过程。1、首先需要安装mpfr,需要注意的是,如果wget mpfr失败,可能是版本更新了,可以到官网下载相关的bz2的压缩包,设定v为特定的版本,直接跳过wget的步骤,压缩安装即可。 streamers background
kali下RsaCtfTool的安装及使用 码农家园
Web2.安装相应环境. RsaCtfTool.py运行需要安装一些库,都在requirements.txt中,PyCrypto GMPY2 SymPy requests这四个库,但是想要安装gmpy2这个库还需要一些相应的环境mpfr和mpc,所以我们先安装这两个. 首先暗转mpfr,因为要安装mpc必须先安装mpfr. 原来教程给的版本是4.0.1,尝试了 ... WebOct 16, 2024 · 用法二:已知公钥求私钥. RsaCtfTool.py --publickey 公钥文件 --private. 用法三:密钥格式转换. 把PEM格式的公钥转换为n,e. >python RsaCtfTool.py --dumpkey --key … WebRSA attack tool (mainly for ctf) - retreive private key from weak public key and/or uncipher data - RsaCtfTool/RsaCtfTool.py at master · RsaCtfTool/RsaCtfTool streamers audio