Introduction¶

What?¶

Encryption algorithms or implementations thereof can fail to protect confidentiality in many ways. This can be due to a failure to match the security requirements or to set requirements matching reality.

Why?¶

Jump Off This Cliff and think about cryptographic security requirements.

How?¶

• Classical ciphers

• Brute-force attacks

• Attack models

• Security goals

• Block ciphers

• AES busting

• Down stream

• Hacking hashes

• RSA puzzling

• Diffie-Hellman

• Elliptic curve balls