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48 lines
1.1 KiB
48 lines
1.1 KiB
package account
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import (
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"github.com/tendermint/ed25519"
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"github.com/tendermint/tendermint/binary"
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. "github.com/tendermint/tendermint/common"
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)
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// PrivKey is part of PrivAccount and state.PrivValidator.
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type PrivKey interface {
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Sign(msg []byte) Signature
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PubKey() PubKey
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}
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// Types of PrivKey implementations
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const (
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PrivKeyTypeEd25519 = byte(0x01)
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)
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// for binary.readReflect
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var _ = binary.RegisterInterface(
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struct{ PrivKey }{},
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binary.ConcreteType{PrivKeyEd25519{}, PrivKeyTypeEd25519},
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)
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//-------------------------------------
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// Implements PrivKey
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type PrivKeyEd25519 []byte
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func (privKey PrivKeyEd25519) Sign(msg []byte) Signature {
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pubKey := privKey.PubKey().(PubKeyEd25519)
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privKeyBytes := new([64]byte)
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copy(privKeyBytes[:32], privKey[:])
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copy(privKeyBytes[32:], pubKey[:])
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signatureBytes := ed25519.Sign(privKeyBytes, msg)
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return SignatureEd25519(signatureBytes[:])
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}
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func (key PrivKeyEd25519) PubKey() PubKey {
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keyBytes := new([64]byte)
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copy(keyBytes[:], key[:])
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return PubKeyEd25519(ed25519.MakePublicKey(keyBytes)[:])
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}
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func (key PrivKeyEd25519) String() string {
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return Fmt("PrivKeyEd25519{*****}")
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}
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