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27 lines
1.1 KiB
Go
27 lines
1.1 KiB
Go
// Copyright (c) 2020 Tailscale Inc & 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 noise
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// Note that these types are deliberately separate from the types/key
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// package. That package defines generic curve25519 keys, without
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// consideration for how those keys are used. We don't want to
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// encourage mixing machine keys, node keys, and whatever else we
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// might use curve25519 for.
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//
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// Furthermore, the implementation in types/key does some work that is
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// unnecessary for machine keys, and results in a harder to follow
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// implementation. In particular, machine keys do not need to be
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// clamped per the curve25519 spec because they're only used with the
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// X25519 operation, and the X25519 operation defines its own clamping
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// and sanity checking logic. Thus, these keys must be used only with
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// this Noise protocol implementation, and the easiest way to ensure
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// that is a different type.
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// PrivateKey is a Tailscale machine private key.
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type PrivateKey [32]byte
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// PublicKey is a Tailscale machine public key.
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type PublicKey [32]byte
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