Here a CA derived a secret key from the number 4.

If you think "that's weird to see such a small number in key generation" than you're one step ahead of whoever generated that key.

Unfortunately, unlike with RSA, small primes are not apparent in elliptic cryptography.

Oh my God it's literally this XKCD https://xkcd.com/221/

	▲	shagie an hour ago \| parent [-]
		They should have upgraded to 5 (see today's xkcd alt text https://xkcd.com/3314/ )

jkahrs595 3 hours ago | parent | prev | next [-]

> Here a CA derived a secret key from the number 4

cobychapple 2 hours ago | parent | prev | next [-]

RFC 1149.5 FTW

wiredfool 4 hours ago | parent | prev [-]

Nor small composites, apparently.