Link to this headingCertificates

  • Used to bind names to public keys

https://smallstep.com/blog/everything-pki.html

Link to this headingSecurity

Online ROCA Checker
Factoring as a Service with AWS
Factordb
https://yurichev.com/news/20220210_RSA/

Factoring a Public Key

>>> ./RsaCtfTool.py --publickey ../factor.pub --private --verbose [*] Performing Hastad's attack. [*] Performing prime_n attack. [*] Performing factordb attack. [*] Performing pastctfprimes attack. [*] Loaded 71 primes [*] Performing mersenne_primes attack. [*] Performing noveltyprimes attack. [*] Performing smallq attack. [*] Performing wiener attack. [*] Performing comfact_cn attack. [*] Performing primefac attack. [*] Performing fermat attack. [*] Performing siqs attack. [*] Yafu SIQS is not working. [*] Performing Pollard_p_1 attack. [*] Performing Londahl attack. [*] Performing smallfraction attack. [*] Performing boneh_durfee attack. [*] Performing qicheng attack. [*] Performing ecm attack. [*] ECM Method can run forever and may never succeed. Hit Ctrl-C to bail out.

Getting private/public RSA Info:

./RsaCtfTool.py --key ../factor.pub --dumpkey --ext [*] n: 12643380274446122704738894267866060871277000888126503997980301090006704956686610631541193235440879844124057207573720260120696127406133715584161739342380643 [*] e: 65537

Link to this headingKnown private keys

https://github.com/sec-consult/houseofkeys
https://github.com/rapid7/ssh-badkeys

Link to this headingEncodings

https://luca.ntop.org/Teaching/Appunti/asn1.html
https://letsencrypt.org/docs/a-warm-welcome-to-asn1-and-der/