Proxmark3 – Adding Ultralight Support

Introduction The Proxmark3 appeared to be missing Mifare Ultralight support. ┬áThe ability to identify Ultralight cards was present within the ‘hf 14a reader‘ command. However the facility to read and write cards was sadly missing. But no worries as the protocol and instruction set is essentially the same as Mifare Classic; the only difference is standard Ultralight cards do not need authentication, and encryption and the Block size is 4…