# key stretching

> technique used to make a possibly weak key, typically a password or passphrase, more secure against a brute-force attack by increasing the time it takes to test each possible key

**Wikidata**: [Q6398189](https://www.wikidata.org/wiki/Q6398189)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Key_stretching)  
**Source**: https://4ort.xyz/entity/key-stretching