Using a key panel from security ccraft (https://www.curseforge.com/minecraft/mc-mods/security-craft) on chests locked with the
will cause the chest to be "destroyed" and dropping items on the ground.

Then it will ask to set up a password. By setting it and opening the chest there will be a new loot table of items generated inside, basically duping items

.

Hi Melonslise, SecurityCraft dev here. I investigated this, and it's not an issue with the Locks mod. See Geforce132/SecurityCraft#279