Nikolay Minaylov

Есть API HID мыши и клавиатуры, можно слать нажатия кнопок и движения мыши. Единственное что клавиатура пока стандартная, на 101 клавишу. Чтобы управлять плеером надо немного поправить дескриптор

Please check this layout file https://github.com/flipperdevices/flipperzero-firmware/blob/ca05abea327cd34902a61c0294792a82b3bace22/applications/main/bad_usb/resources/badusb/assets/layouts/it-IT-mac.kl

Yeah, we forgot to include it in API for some reason

Yes, this version of HMAC is used by U2F app only. Our U2F implementation uses fixed-size 32-byte key, so there was no need in support for other key lengths. We'll...

Also we have mbedtls library with full HMAC support.