CmdID

CmdID / Commands

rsactftool.py

RSA attack tool for CTF challenges - recover private keys from weak public keys and/or decrypt data. tldr-pages

On several platforms

Opens CmdID with your command. It is read in your browser and sent nowhere.

Several platforms

from tldr-pages, CC BY 4.0

Recover a private key from a public key file

RsaCtfTool.py --publickey path/to/key.pub --privateIdentify

Decrypt a file using a public key

RsaCtfTool.py --publickey path/to/key.pub --decryptfile path/to/ciphered_fileIdentify

Decrypt a specific ciphertext string

RsaCtfTool.py --publickey path/to/key.pub --decrypt "ciphertext"Identify

Dump RSA key components (e.g., modulus, exponent) from a key file

RsaCtfTool.py --dumpkey --key path/to/key.pubIdentify

Run a specific attack (e.g., Fermat factorization) to recover the private key

RsaCtfTool.py --publickey path/to/key.pub --private --attack fermatIdentify

Generate a public key from modulus (n) and exponent (e)

RsaCtfTool.py --createpub -n modulus -e exponentIdentify

Attempt all available attacks to recover the private key

RsaCtfTool.py --publickey path/to/key.pub --private --attack allIdentify