#!/bin/sh

pkg="ubuntu-archive-keyring"
trusted_keyid="CAC2D8B9CD2CA5F9"

(cd /usr/share; \
gpg --no-default-keyring \
    --keyring /usr/share/keyrings/debian-keyring.gpg \
    --trusted-key "$trusted_keyid" \
    --no-auto-check-trustdb \
    --decrypt "/usr/share/doc/$pkg/SHA512SUMS.txt.asc" | sha512sum -c -)
