From 7b20bbbf06e0b9da1d18e846809ac014bf70c5ac Mon Sep 17 00:00:00 2001 From: Lars Wirzenius Date: Thu, 9 May 2019 18:09:56 +0300 Subject: Add: why is public key good? --- pgptalk.mdwn | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/pgptalk.mdwn b/pgptalk.mdwn index 5a79ef7..a8aaa72 100644 --- a/pgptalk.mdwn +++ b/pgptalk.mdwn @@ -117,6 +117,11 @@ Basics of public key cryptography * Keep communications **secret**: everyone can encrypt with your public key, only you can decrypt using your secret key +* Public key cryptography solves the key distribution problem. + Traditional (symmetric) cryptography requires a shared secret or + code between sender and receiver, and this can be complicated to + arrange. + * RSA, ElGamal, Diffie-Hellman, elliptic curve, etc: interesting maths if that's your thing, not required to be understood for using crypto (this might be a little controversial) -- cgit v1.2.1