Is AES-256 Quantum Resistant?

What will break?

Many asymmetric encryption algorithms have been mathematically proven to be broken by quantum computers using Shor’s algorithm. Shor’s algorithm solves the problem:

Symmetric Encryption

Symmetric encryption, or more specifically AES-256, is believed to be quantum resistant. That means that quantum computers are not expected to be able to reduce the attack time enough to be effective if the key sizes are large enough.

  1. azpV4CYbAwQUP4BaJJJNDBxEUkghMF8x2Sd4Q7ihD04=
  2. mtOXPNln432smP3pd3rVLw9rpGGkVsiqRhUFLXy/KBw=
  3. ..
  1. password123 -> 75K3eLr+dx6JJFuJ7LwIpEpOFmwGZZkRiB84PURz6U8=
  2. password1234 -> uclQZA4bN0DpisuT5mnGV2b2Zw3RYJupH/QQUrpIxvM=

Further Reading



I love Go and Rust, and I like JavaScript and Python. I’m indiehacking on when I’m not with my wife and daughter.

Love podcasts or audiobooks? Learn on the go with our new app.

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store