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wgengine/magicsock: replace deprecated poly1305 (#13184)

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Signed-off-by: tomholford <tomholford@users.noreply.github.com>
This commit is contained in:
tomholford
2024-08-19 11:45:39 -07:00
committed by Brad Fitzpatrick
parent f95785f22b
commit 16bb541adb
3 changed files with 8 additions and 4 deletions
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8
wgengine/magicsock/endpoint.go
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@@ -20,7 +20,6 @@ import (
"sync/atomic"
"time"
"golang.org/x/crypto/poly1305"
xmaps "golang.org/x/exp/maps"
"golang.org/x/net/ipv4"
"golang.org/x/net/ipv6"
@@ -1067,9 +1066,14 @@ func (de *endpoint) removeSentDiscoPingLocked(txid stun.TxID, sp sentPing, resul
delete(de.sentPing, txid)
}
// poly1305AuthenticatorSize is the size, in bytes, of a poly1305 authenticator.
// It's the same as golang.org/x/crypto/poly1305.TagSize, but that
// page is deprecated and we only need this one constant, so we copy it.
const poly1305AuthenticatorSize = 16
// discoPingSize is the size of a complete disco ping packet, without any padding.
const discoPingSize = len(disco.Magic) + key.DiscoPublicRawLen + disco.NonceLen +
poly1305.TagSize + disco.MessageHeaderLen + disco.PingLen
poly1305AuthenticatorSize + disco.MessageHeaderLen + disco.PingLen
// sendDiscoPing sends a ping with the provided txid to ep using de's discoKey. size
// is the desired disco message size, including all disco headers but excluding IP/UDP