http://3cbzkrvakrpetjjppdwzbzqrlkmzatjs7jbyazap5gwutj32gcltjpqd.onion
. 😎 So, to that end, I'm going to start with a bit (❗) of background information, with the heavy caveat that this only applies to "PIV" ( "FIPS 201" ) usage of YubiKeys, and that I only actually care about ECDSA, although I've been reassured that it's the same for at least RSA (anything outside this is firmly Here Be Not Tianon; "gl hf dd" ). 👍 (Incidentally, learning all this helped me actually appreciate the simplicity of cloud-based KMS solutions, which was an unexpected side effect. 😬)...