# Tag Info

1 vote

### How to find fixed points for DES weak keys

In 1987 Judy H. Moore and Gustavus J. Simmons proved that for each of the four DES weak keys there are exactly $2^{32}$ fixed points. Fixed points where all round keys are different was an open ...

### What is DES-EDE3-CBC?

At least in the context of PKCS#5 (which is commonly seen through the encryption of PEM files), DES-EDE3-CBC is Triple DES with three keys, used in CBC mode, with unspecified padding. Yes, “EDE” means ...