On: Cracking a 512-bit DKIM key for less than $8 in th...

[dist-epoch]

> Always presume asymmetric encryption is 8x weaker than symmetric encryption.

RSA encryption is 10x weaker than Elliptic curve (224 bits ECC ~= 2048 bits RSA). Both are asymmetric.

Alternatively, asymmetric Elliptic curve is as strong as AES symmetric encryption. But it's quantum vulnerable, of course.