1. Daniel Kucera: <a href="https://github.com/danielkucera">https://github.com/danielkucera</a> , <a href="https://blog.danman.eu" rel="nofollow">https://blog.danman.eu</a><p>2. "[PATCH] implemented CMD42 locking unlocking" and "[PATCH] mmc-utils: implemented CMD42 locking/unlocking" <a href="https://lore.kernel.org/linux-mmc/" rel="nofollow">https://lore.kernel.org/linux-mmc/</a><p>3. "mmc: core: allow detection of locked cards" and "mmc: core: allow detection of locked cards": <a href="https://patchwork.kernel.org/project/linux-mmc/list/" rel="nofollow">https://patchwork.kernel.org/project/linux-mmc/list/</a><p>4. "Requesting a Linux kernel patch that makes a locked sd card visible in the /dev directory #3": <a href="https://github.com/alcooper/mmc-password-utils/issues/3">https://github.com/alcooper/mmc-password-utils/issues/3</a>