ELF (for GNU and musl libc) PE (Windows executables and DLLs) Mach-O (macOS and iOS, x64 and arm64) Android (APK, AAB, including DEX files in deep mode) Disassembler: AArch64, x86/x86-64, ARM, Mips, ...

First you need to download the signing private key and certificate from Apple (this is in the form of a ".p12" file). Quill can attach the full certificate chain at signing time with the Apple root ...