ghashUpdate(productTable *[16]gcmFieldElement, y *gcmFieldElement, data []byte) { fullBlocks := (len(data) >> 4) << 4 updateBlocks(productTable, y, data[:fullBlocks]) if len(data) != fullBlocks { var partialBlock [gcmBlockSize]byte copy(partialBlock[:], data[fullBlocks:]) updateBlocks(productTable, y, partialBlock[:]) } } golang.org/fips140@v1.26.0/fips140/v1.26.0/aes/gcm/interface_test.go // Copyright 2024 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license...