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--- public_key_infrastructure [2026/05/29 11:29] – created reidjs
+++ public_key_infrastructure [2026/05/31 19:05] (current) – reidjs
@@ Line 18: / Line 18: @@
 ideally you also encode your private key with a password on your device. unfortunately/realistically many people don't password protect their private keys for convenience/speed.
+{{:wiki:screenshot_2026-05-31_at_7.04.26 pm.png?400|}}
+secure key exchange:
+  * one way is out of band - i.e., using a different medium to share the key, in person or by telephone
+  * use asymettric encryption to encrypt a symmetric key, send that asymmetrically encrypted key to the other person, they decrypt it to obtain the symmetric key
+  * session keys: ephemeral templorary keys that are encyrpted with a server's private key, then the server uses its private key to decrypt the session key (? not clear how this works)
+key exchange algorithms