Added yubikey as ssh key

gnupg/.local/share/gnupg/gpg-agent.conf

@@ -1 +1,2 @@
+enable-ssh-support
 pinentry-program /usr/bin/pinentry

ssh/.config/systemd/user/default.target.wants/ssh-agent.service

@@ -1 +0,0 @@
-/home/micah/.config/systemd/user/ssh-agent.service

ssh/.config/systemd/user/ssh-agent.service

@@ -1,10 +0,0 @@
-[Unit]
-Description=SSH key agent
-
-[Service]
-Type=simple
-Environment=SSH_AUTH_SOCK=%t/ssh-agent.socket
-ExecStart=/usr/bin/ssh-agent -D -a $SSH_AUTH_SOCK
-
-[Install]
-WantedBy=default.target

ssh/.ssh/config

@@ -3,6 +3,18 @@ AddKeysToAgent yes
 IdentityFile ~/.ssh/mehalter_rsa
 IdentityFile ~/.ssh/gatech_rsa
 
+Host git.mehalter.com
+  IdentitiesOnly yes
+  IdentityFile ~/.ssh/yubikey_rsa.pub
+
+Host github.com
+  IdentitiesOnly yes
+  IdentityFile ~/.ssh/yubikey_rsa.pub
+
+Host github.gatech.edu
+  IdentitiesOnly yes
+  IdentityFile ~/.ssh/yubikey_rsa.pub
+
 Host aur.archlinux.org
 	IdentityFile ~/.ssh/mehalter_rsa
 	User mehalter

zsh/.zshenv

@@ -42,7 +42,7 @@ export PGPASSFILE="$XDG_CONFIG_HOME/pg/pgpass"
 export PGSERVICEFILE="$XDG_CONFIG_HOME/pg/pg_service.conf"
 export PSQLRC="$XDG_CONFIG_HOME/pg/psqlrc"
 export PSQL_HISTORY="$XDG_CACHE_HOME/pg/psql_history"
-export SSH_AUTH_SOCK="$XDG_RUNTIME_DIR/ssh-agent.socket"
+# export SSH_AUTH_SOCK="$XDG_RUNTIME_DIR/ssh-agent.socket"
 export TEXMFHOME="$XDG_DATA_HOME/texmf"
 export WEECHAT_HOME="$XDG_CONFIG_HOME/weechat"
 export WGETRC="$XDG_CONFIG_HOME/wgetrc"
@@ -51,6 +51,10 @@ export XINITRC="$XDG_CONFIG_HOME/X11/xinitrc"
 export XSERVERRC="$XDG_CONFIG_HOME/X11/xserverrc"
 export ZDOTDIR="$XDG_CONFIG_HOME/zsh"
 
+# set up GPG/SSH
+export GPG_TTY="$(tty)"
+export SSH_AUTH_SOCK="$(gpgconf --list-dirs agent-ssh-socket)"
+
 # set up julia env
 export JULIA_LOAD_PATH=":"
 export JULIA_DEPOT_PATH="$JULIA_HOME/depot"