mirror of
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4db1386622
The new implementation encodes the key schedule into the type system, which is actually nicer than what we had before. For #69536 Change-Id: Iddab62c2aae40bc2425a155443576bb9b7aafe03 Reviewed-on: https://go-review.googlesource.com/c/go/+/626836 Reviewed-by: Russ Cox <rsc@golang.org> Reviewed-by: Roland Shoemaker <roland@golang.org> Commit-Queue: Roland Shoemaker <roland@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Auto-Submit: Filippo Valsorda <filippo@golang.org> Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
32 lines
1.0 KiB
Go
32 lines
1.0 KiB
Go
// Copyright 2024 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package fips140
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import "io"
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// Hash is the common interface implemented by all hash functions. It is a copy
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// of [hash.Hash] from the standard library, to avoid depending on security
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// definitions from outside of the module.
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type Hash interface {
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// Write (via the embedded io.Writer interface) adds more data to the
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// running hash. It never returns an error.
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io.Writer
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// Sum appends the current hash to b and returns the resulting slice.
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// It does not change the underlying hash state.
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Sum(b []byte) []byte
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// Reset resets the Hash to its initial state.
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Reset()
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// Size returns the number of bytes Sum will return.
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Size() int
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// BlockSize returns the hash's underlying block size.
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// The Write method must be able to accept any amount
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// of data, but it may operate more efficiently if all writes
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// are a multiple of the block size.
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BlockSize() int
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} |