The .rap filename corresponds to the of the game.
A (which uses the .rap extension) is a universal, raw cryptographic license file. It contains the exact 16-byte token required to generate the console-specific .rif license. In the PS3 homebrew and preservation community, RAP files are essential because they unlock digital PKG files, allowing games to be played without an active, official connection to the PlayStation Network. Why GTA San Andreas Requires a RAP File Gta San Andreas Ps3 Rap File
