bugLogIf(ctx, err)
			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
			return
		}

		// Write a version for making *incompatible* changes.
		// The AdminClient will reject any version it does not know.
		if publicKey == nil {
			w.Write([]byte{1})
			w.Write(key[:])
		}

		stream, err := sio.AES_256_GCM.Stream(key[:])
		if err != nil {
			bugLogIf(ctx, err)
			return

func MultiByteToWideChar(codePage uint32, dwFlags uint32, str *byte, nstr int32, wchar *uint16, nwchar int32) (nwrite int32, err error) {
	r0, _, e1 := syscall.Syscall6(procMultiByteToWideChar.Addr(), 6, uintptr(codePage), uintptr(dwFlags), uintptr(unsafe.Pointer(str)), uintptr(nstr), uintptr(unsafe.Pointer(wchar)), uintptr(nwchar))
	nwrite = int32(r0)
	if nwrite == 0 {
		err = errnoErr(e1)
	}
	return
}

		// Double-check that async preemption does not
		// happen in SPWRITE assembly functions.
		// isAsyncSafePoint must exclude this case.
		f := findfunc(gp.sched.pc)
		if !f.valid() {
			throw("preempt at unknown pc")
		}
		if f.flag&abi.FuncFlagSPWrite != 0 {
			println("runtime: unexpected SPWRITE function", funcname(f), "in async preempt")
			throw("preempt SPWRITE")
		}
	}