+# convert key from gpg to ssh authorized_keys format
+gpg2authorized_keys() {
+ local userID
+ local keyID
+
+ userID="$1"
+ keyID="$2"
+
+ # NOTE: just in case, the COMMENT can be matched with the
+ # following regexp:
+ # '^MonkeySphere[[:digit:]]{4}(-[[:digit:]]{2}){2}T[[:digit:]]{2}(:[[:digit:]]{2}){2}$'
+ gpg2ssh "$keyID" | tr -d '\n'
+ echo " MonkeySphere${DATE}: ${userID}"
+}
+
+### GPG UTILITIES
+
+# retrieve all keys with given user id from keyserver
+# FIXME: need to figure out how to retrieve all matching keys
+# (not just first N (5 in this case))
+gpg_fetch_userid() {
+ local userID
+
+ userID="$1"
+
+ log -n " checking keyserver $KEYSERVER... "
+ echo 1,2,3,4,5 | \
+ gpg --quiet --batch --with-colons \
+ --command-fd 0 --keyserver "$KEYSERVER" \
+ --search ="$userID" > /dev/null 2>&1
+ loge "done."
+}
+
+# get the full fingerprint of a key ID
+get_key_fingerprint() {
+ local keyID
+
+ keyID="$1"
+
+ gpg --list-key --with-colons --fixed-list-mode \
+ --with-fingerprint "$keyID" | grep "$keyID" | \
+ grep '^fpr:' | cut -d: -f10
+}
+
+########################################################################
+### PROCESSING FUNCTIONS
+