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30 lines
621 B
Go
30 lines
621 B
Go
package crypto
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import (
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"crypto/ecdsa"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/vacp2p/dasy/protobuf"
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"github.com/vacp2p/mvds/state"
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)
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// PublicKeyToPeerID turns an ECDSA Public Key to an mvds PeerID.
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func PublicKeyToPeerID(k ecdsa.PublicKey) state.PeerID {
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var p state.PeerID
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copy(p[:], crypto.FromECDSAPub(&k))
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return p
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}
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// Sign signs generates a signature of the message and adds it to the message.
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func Sign(identity *ecdsa.PrivateKey, m *protobuf.Message) error {
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hash := m.ID()
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sig, err := crypto.Sign(hash[:], identity)
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if err != nil {
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return err
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}
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m.Signature = sig
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return nil
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}
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