move go-crypto files pre-keys merge

pub_key.go

@@ -1,224 +0,0 @@
-package crypto
-
-import (
-	"bytes"
-	"crypto/sha256"
-
-	secp256k1 "github.com/btcsuite/btcd/btcec"
-	"github.com/tendermint/ed25519"
-	"github.com/tendermint/ed25519/extra25519"
-	. "github.com/tendermint/tmlibs/common"
-	data "github.com/tendermint/go-wire/data"
-	"github.com/tendermint/go-wire"
-	"golang.org/x/crypto/ripemd160"
-)
-
-func PubKeyFromBytes(pubKeyBytes []byte) (pubKey PubKey, err error) {
-	err = wire.ReadBinaryBytes(pubKeyBytes, &pubKey)
-	return
-}
-
-//----------------------------------------
-
-type PubKey struct {
-	PubKeyInner `json:"unwrap"`
-}
-
-// DO NOT USE THIS INTERFACE.
-// You probably want to use PubKey
-type PubKeyInner interface {
-	AssertIsPubKeyInner()
-	Address() []byte
-	Bytes() []byte
-	KeyString() string
-	VerifyBytes(msg []byte, sig Signature) bool
-	Equals(PubKey) bool
-	Wrap() PubKey
-}
-
-func (pk PubKey) MarshalJSON() ([]byte, error) {
-	return pubKeyMapper.ToJSON(pk.PubKeyInner)
-}
-
-func (pk *PubKey) UnmarshalJSON(data []byte) (err error) {
-	parsed, err := pubKeyMapper.FromJSON(data)
-	if err == nil && parsed != nil {
-		pk.PubKeyInner = parsed.(PubKeyInner)
-	}
-	return
-}
-
-// Unwrap recovers the concrete interface safely (regardless of levels of embeds)
-func (pk PubKey) Unwrap() PubKeyInner {
-	pkI := pk.PubKeyInner
-	for wrap, ok := pkI.(PubKey); ok; wrap, ok = pkI.(PubKey) {
-		pkI = wrap.PubKeyInner
-	}
-	return pkI
-}
-
-func (p PubKey) Empty() bool {
-	return p.PubKeyInner == nil
-}
-
-var pubKeyMapper = data.NewMapper(PubKey{}).
-	RegisterImplementation(PubKeyEd25519{}, NameEd25519, TypeEd25519).
-	RegisterImplementation(PubKeySecp256k1{}, NameSecp256k1, TypeSecp256k1)
-
-//-------------------------------------
-
-var _ PubKeyInner = PubKeyEd25519{}
-
-// Implements PubKeyInner
-type PubKeyEd25519 [32]byte
-
-func (pubKey PubKeyEd25519) AssertIsPubKeyInner() {}
-
-func (pubKey PubKeyEd25519) Address() []byte {
-	w, n, err := new(bytes.Buffer), new(int), new(error)
-	wire.WriteBinary(pubKey[:], w, n, err)
-	if *err != nil {
-		PanicCrisis(*err)
-	}
-	// append type byte
-	encodedPubkey := append([]byte{TypeEd25519}, w.Bytes()...)
-	hasher := ripemd160.New()
-	hasher.Write(encodedPubkey) // does not error
-	return hasher.Sum(nil)
-}
-
-func (pubKey PubKeyEd25519) Bytes() []byte {
-	return wire.BinaryBytes(PubKey{pubKey})
-}
-
-func (pubKey PubKeyEd25519) VerifyBytes(msg []byte, sig_ Signature) bool {
-	// make sure we use the same algorithm to sign
-	sig, ok := sig_.Unwrap().(SignatureEd25519)
-	if !ok {
-		return false
-	}
-	pubKeyBytes := [32]byte(pubKey)
-	sigBytes := [64]byte(sig)
-	return ed25519.Verify(&pubKeyBytes, msg, &sigBytes)
-}
-
-func (p PubKeyEd25519) MarshalJSON() ([]byte, error) {
-	return data.Encoder.Marshal(p[:])
-}
-
-func (p *PubKeyEd25519) UnmarshalJSON(enc []byte) error {
-	var ref []byte
-	err := data.Encoder.Unmarshal(&ref, enc)
-	copy(p[:], ref)
-	return err
-}
-
-// For use with golang/crypto/nacl/box
-// If error, returns nil.
-func (pubKey PubKeyEd25519) ToCurve25519() *[32]byte {
-	keyCurve25519, pubKeyBytes := new([32]byte), [32]byte(pubKey)
-	ok := extra25519.PublicKeyToCurve25519(keyCurve25519, &pubKeyBytes)
-	if !ok {
-		return nil
-	}
-	return keyCurve25519
-}
-
-func (pubKey PubKeyEd25519) String() string {
-	return Fmt("PubKeyEd25519{%X}", pubKey[:])
-}
-
-// Must return the full bytes in hex.
-// Used for map keying, etc.
-func (pubKey PubKeyEd25519) KeyString() string {
-	return Fmt("%X", pubKey[:])
-}
-
-func (pubKey PubKeyEd25519) Equals(other PubKey) bool {
-	if otherEd, ok := other.Unwrap().(PubKeyEd25519); ok {
-		return bytes.Equal(pubKey[:], otherEd[:])
-	} else {
-		return false
-	}
-}
-
-func (pubKey PubKeyEd25519) Wrap() PubKey {
-	return PubKey{pubKey}
-}
-
-//-------------------------------------
-
-var _ PubKeyInner = PubKeySecp256k1{}
-
-// Implements PubKey.
-// Compressed pubkey (just the x-cord),
-// prefixed with 0x02 or 0x03, depending on the y-cord.
-type PubKeySecp256k1 [33]byte
-
-func (pubKey PubKeySecp256k1) AssertIsPubKeyInner() {}
-
-// Implements Bitcoin style addresses: RIPEMD160(SHA256(pubkey))
-func (pubKey PubKeySecp256k1) Address() []byte {
-	hasherSHA256 := sha256.New()
-	hasherSHA256.Write(pubKey[:]) // does not error
-	sha := hasherSHA256.Sum(nil)
-
-	hasherRIPEMD160 := ripemd160.New()
-	hasherRIPEMD160.Write(sha) // does not error
-	return hasherRIPEMD160.Sum(nil)
-}
-
-func (pubKey PubKeySecp256k1) Bytes() []byte {
-	return wire.BinaryBytes(PubKey{pubKey})
-}
-
-func (pubKey PubKeySecp256k1) VerifyBytes(msg []byte, sig_ Signature) bool {
-	// and assert same algorithm to sign and verify
-	sig, ok := sig_.Unwrap().(SignatureSecp256k1)
-	if !ok {
-		return false
-	}
-
-	pub__, err := secp256k1.ParsePubKey(pubKey[:], secp256k1.S256())
-	if err != nil {
-		return false
-	}
-	sig__, err := secp256k1.ParseDERSignature(sig[:], secp256k1.S256())
-	if err != nil {
-		return false
-	}
-	return sig__.Verify(Sha256(msg), pub__)
-}
-
-func (p PubKeySecp256k1) MarshalJSON() ([]byte, error) {
-	return data.Encoder.Marshal(p[:])
-}
-
-func (p *PubKeySecp256k1) UnmarshalJSON(enc []byte) error {
-	var ref []byte
-	err := data.Encoder.Unmarshal(&ref, enc)
-	copy(p[:], ref)
-	return err
-}
-
-func (pubKey PubKeySecp256k1) String() string {
-	return Fmt("PubKeySecp256k1{%X}", pubKey[:])
-}
-
-// Must return the full bytes in hex.
-// Used for map keying, etc.
-func (pubKey PubKeySecp256k1) KeyString() string {
-	return Fmt("%X", pubKey[:])
-}
-
-func (pubKey PubKeySecp256k1) Equals(other PubKey) bool {
-	if otherSecp, ok := other.Unwrap().(PubKeySecp256k1); ok {
-		return bytes.Equal(pubKey[:], otherSecp[:])
-	} else {
-		return false
-	}
-}
-
-func (pubKey PubKeySecp256k1) Wrap() PubKey {
-	return PubKey{pubKey}
-}