package account import ( "github.com/tendermint/tendermint/Godeps/_workspace/src/github.com/tendermint/ed25519" "github.com/tendermint/tendermint/Godeps/_workspace/src/github.com/tendermint/ed25519/extra25519" "github.com/tendermint/tendermint/wire" . "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 wire.readReflect var _ = wire.RegisterInterface( struct{ PrivKey }{}, wire.ConcreteType{PrivKeyEd25519{}, PrivKeyTypeEd25519}, ) //------------------------------------- // Implements PrivKey type PrivKeyEd25519 [64]byte func (key PrivKeyEd25519) Sign(msg []byte) Signature { privKeyBytes := [64]byte(key) signatureBytes := ed25519.Sign(&privKeyBytes, msg) return SignatureEd25519(*signatureBytes) } func (privKey PrivKeyEd25519) PubKey() PubKey { privKeyBytes := [64]byte(privKey) return PubKeyEd25519(*ed25519.MakePublicKey(&privKeyBytes)) } func (privKey PrivKeyEd25519) ToCurve25519() *[32]byte { keyCurve25519 := new([32]byte) privKeyBytes := [64]byte(privKey) extra25519.PrivateKeyToCurve25519(keyCurve25519, &privKeyBytes) return keyCurve25519 } func (privKey PrivKeyEd25519) String() string { return Fmt("PrivKeyEd25519{*****}") } // Deterministically generates new priv-key bytes from key. func (key PrivKeyEd25519) Generate(index int) PrivKeyEd25519 { newBytes := wire.BinarySha256(struct { PrivKey [64]byte Index int }{key, index}) var newKey [64]byte copy(newKey[:], newBytes) return PrivKeyEd25519(newKey) } func GenPrivKeyEd25519() PrivKeyEd25519 { privKeyBytes := new([64]byte) copy(privKeyBytes[:32], CRandBytes(32)) ed25519.MakePublicKey(privKeyBytes) return PrivKeyEd25519(*privKeyBytes) }