add script for generating signing keys

generate-keys

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+devices=()
+
+for device in ${devices[@]}; do
+    mkdir -p keys/$device
+    cd keys/$device
+    CN=GrapheneOS
+    ../../development/tools/make_key releasekey "/CN=$CN/"
+    ../../development/tools/make_key platform "/CN=$CN/"
+    ../../development/tools/make_key shared "/CN=$CN/"
+    ../../development/tools/make_key media "/CN=$CN/"
+    ../../development/tools/make_key networkstack "/CN=$CN/"
+    ../../development/tools/make_key sdk_sandbox "/CN=$CN/"
+    ../../development/tools/make_key bluetooth "/CN=$CN/"
+    openssl genrsa 4096 | openssl pkcs8 -topk8 -scrypt -out avb.pem
+    ../../external/avb/avbtool.py extract_public_key --key avb.pem --output avb_pkmd.bin
+    cd ../..
+done