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p2p/discover: remove use of shared hash instance for key derivation #21673

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Oct 8, 2020
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p2p/discover: remove use of shared hash instance for key derivation #21673

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2 changes: 1 addition & 1 deletion p2p/discover/v5_encoding.go
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Original file line number Diff line number Diff line change
Expand Up @@ -383,7 +383,7 @@ func (c *wireCodec) deriveKeys(n1, n2 enode.ID, priv *ecdsa.PrivateKey, pub *ecd
info := []byte("discovery v5 key agreement")
info = append(info, n1[:]...)
info = append(info, n2[:]...)
kdf := hkdf.New(c.sha256reset, eph, challenge.IDNonce[:], info)
kdf := hkdf.New(sha256.New, eph, challenge.IDNonce[:], info)
sec := handshakeSecrets{
writeKey: make([]byte, aesKeySize),
readKey: make([]byte, aesKeySize),
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