- **Stack Exchange**: [Is 80 bits of key size considered safe against brute force attacks?](https://crypto.stackexchange.com/questions/13299/is-80-bits-of-key-size-considered-safe-against-brute-force-attacks)
- **Stack Exchange**: [80-bit security and attack time](https://crypto.stackexchange.com/questions/79834/80-bit-security-and-attack-time)