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28 lines
746 B
Go
28 lines
746 B
Go
/*
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File Name: Hash.go
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Copyright: 2021 Peernet s.r.o.
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Author: Peter Kleissner
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*/
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package protocol
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import (
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"github.com/btcsuite/btcd/btcec"
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"lukechampine.com/blake3"
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)
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// HashData abstracts the hash function.
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func HashData(data []byte) (hash []byte) {
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hash32 := blake3.Sum256(data)
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return hash32[:]
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}
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// HashSize is blake3 hash digest size = 256 bits
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const HashSize = 32
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// PublicKey2NodeID translates the Public Key into the node ID used in the Kademlia network.
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// It is also referenced in various other places including blockchain data at runtime. The node ID identifies the owner.
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func PublicKey2NodeID(publicKey *btcec.PublicKey) (nodeID []byte) {
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return HashData(publicKey.SerializeCompressed())
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}
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