29 lines
480 B
Go
29 lines
480 B
Go
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package graviton
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import "hash"
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//import "crypto/sha256"
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import "golang.org/x/crypto/blake2s"
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const lastBit = HASHSIZE*8 - 1
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var zerosHash, zeros [HASHSIZE]byte // all empty nodes have this hash
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func hasher() hash.Hash {
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//return sha256.New()
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h, _ := blake2s.New256(nil)
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return h
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}
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func sum(key []byte) (keyhash [HASHSIZE]byte) {
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return blake2s.Sum256(key)
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}
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func init() {
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h := hasher()
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h.Write([]byte{leafNODE})
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h.Write(zeros[:])
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tmp := zerosHash[:0]
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h.Sum(tmp)
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}
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