Documentation for agent and scdaemon interaction (Assuan protocol)

[Peter Lebbing]

On 12/04/2019 04:57, Matheus Afonso Martins Moreira wrote:
> Is this gpg-agent command not documented?

For direct interaction with the agent and scdaemon, my first
documentation source is always the inline help. Only when I need more
than that will I look for more sources.

Talking to scdaemon is done by prefixing your command with "SCD ".

--8<---------------cut here---------------start------------->8---
$ gpg-connect-agent 
> help
# NOP
# CANCEL
[...]
# KEYTOCARD [--force] <hexstring_with_keygrip> <serialno> <id> <timestamp>
OK
> help keyinfo
# KEYINFO [--[ssh-]list] [--data] [--ssh-fpr] [--with-ssh] <keygrip>
[...]
# 
# More information may be added in the future.
OK
> scd help
# NOP
# CANCEL
[...]
# KILLSCD
OK
> scd help learn
# LEARN [--force] [--keypairinfo]
[...]
#   
# Note, that this function may even be used on a locked card.
OK
> /bye
--8<---------------cut here---------------end--------------->8---

HTH,

Peter.

-- 
I use the GNU Privacy Guard (GnuPG) in combination with Enigmail.
You can send me encrypted mail if you want some privacy.
My key is available at <http://digitalbrains.com/2012/openpgp-key-peter>

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