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authorSilvio Rhatto <rhatto@riseup.net>2016-12-21 10:19:49 -0200
committerSilvio Rhatto <rhatto@riseup.net>2016-12-21 10:19:49 -0200
commit46654f78de44630d8ea7f247ad65bb15908c2479 (patch)
tree58b07a5ac1f051287d28d27f34e7aa10571909f2 /lib/keyringer/actions/pwgen
parent4386b9572591046e75dd98adbcaa518319873dca (diff)
parent491ea8e72879c9c9244c2740e8a428b97249b58a (diff)
downloadkeyringer-46654f78de44630d8ea7f247ad65bb15908c2479.tar.gz
keyringer-46654f78de44630d8ea7f247ad65bb15908c2479.tar.bz2
Merge tag 'upstream_keyringer_0.5.0' into debian
Upstream version 0.5.0
Diffstat (limited to 'lib/keyringer/actions/pwgen')
-rwxr-xr-xlib/keyringer/actions/pwgen35
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/keyringer/actions/pwgen b/lib/keyringer/actions/pwgen
new file mode 100755
index 0000000..45d2bf9
--- /dev/null
+++ b/lib/keyringer/actions/pwgen
@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+#
+# Generates passphrases.
+#
+
+# Load functions
+LIB="`dirname $0`/../functions"
+source "$LIB" || exit 1
+
+# Parameters
+SIZE="$3"
+FILE="$2"
+
+# Generates a random passphrase
+function keyringer_pwgen {
+ ENTROPY_BYTES=${1:-20} # in bytes
+ ENTROPY_SOURCE="${ENTROPY_SOURCE:-/dev/urandom}"
+
+ # Strip possible newlines if output is wrapped.
+ # Also strip trailing = signs as they add nothing to the password's entropy.
+ head -c $ENTROPY_BYTES $ENTROPY_SOURCE | base64 | tr -d '\n='
+ echo
+}
+
+# Check
+if [ -z "$FILE" ]; then
+ echo "Usage: keyringer <keyring> $BASENAME <secret> [size]"
+ exit 1
+elif [ ! -z "$SIZE" ] && ! echo $SIZE | egrep -q '^[0-9]+$'; then
+ echo "$SIZE is not a number"
+ exit 1
+fi
+
+# Encrypt and store a randomly-generated secret
+keyringer_pwgen $SIZE | keyringer_exec encrypt "$BASEDIR" "$FILE"