Tagged: grover
3 entries
- AES (Advanced Encryption Standard)Glossary · AES is the standardized symmetric block cipher; Grover's algorithm gives only a quadratic speedup, so a 256-bit key preserves the post-quantum margin.
- SHA-2Glossary · SHA-2 is the widely deployed family of NIST cryptographic hash functions, including SHA-256, weakened only quadratically by Grover's algorithm.
- Symmetric cryptographyGlossary · Symmetric cryptography uses one shared key, as in AES; quantum attacks give only a quadratic speedup, so larger keys preserve the security margin.