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