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  • RsaCtfTool

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  1. CTF
  2. Cryptography

RSA

PreviousGPGNextECB / CBC

Last updated 4 years ago

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Fundamentals

The key variables that you need to know about for RSA in CTFs are p, q, m, n, e, d, and c.

  • “p” and “q” are large prime numbers, “n” is the product of p and q.

  • The public key is n and d, the private key is n and e.

  • “m” is used to represent the message (in plaintext) and “c” represents the ciphertext (encrypted text).

Tools

FactorDB

RsaCtfTool

LogoGitHub - Ganapati/RsaCtfTool: RSA attack tool (mainly for ctf) - retreive private key from weak public key and/or uncipher dataGitHub
factordb.com