counterCryptASM(int(g.cipher.l)/4-1, out, in, counter, &g.cipher.enc[0])

}

// increments the rightmost 32-bits of the count value by 1.
func gcmInc32(counterBlock *[16]byte) {
	c := counterBlock[len(counterBlock)-4:]
	x := byteorder.BeUint32(c) + 1
	byteorder.BePutUint32(c, x)
}

// paddedGHASH pads data with zeroes until its length is a multiple of

		copy(partialBlock[:], data[fullBlocks:])
		g.updateBlocks(y, partialBlock[:])
	}
}

// gcmInc32 treats the final four bytes of counterBlock as a big-endian value
// and increments it.
func gcmInc32(counterBlock *[16]byte) {
	ctr := counterBlock[len(counterBlock)-4:]
	byteorder.BePutUint32(ctr, byteorder.BeUint32(ctr)+1)
}

// sliceForAppend takes a slice and a requested number of bytes. It returns a