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@ -1,6 +1,10 @@ |
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package crypto |
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import ( |
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"bytes" |
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"crypto/hmac" |
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"crypto/sha512" |
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"encoding/binary" |
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"encoding/hex" |
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"encoding/json" |
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"fmt" |
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@ -13,6 +17,7 @@ import ( |
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"github.com/btcsuite/btcd/chaincfg" |
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"github.com/btcsuite/btcutil/hdkeychain" |
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"github.com/mndrix/btcutil" |
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"github.com/tyler-smith/go-bip32" |
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"github.com/tendermint/go-crypto" |
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@ -67,12 +72,13 @@ func TestHDToAddr(t *testing.T) { |
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fmt.Println(i, d.Mnemonic) |
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priv, pub := tylerSmith(seed) |
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//priv, pub := btcsuite(seed)
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// priv, pub := btcsuite(seed)
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fmt.Printf("\t%X %X\n", seedB, seed) |
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fmt.Printf("\t%X %X\n", privB, priv) |
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fmt.Printf("\t%X %X\n", pubB, pub) |
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assert.Equal(t, priv, privB, "Expected priv keys to match") |
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_, _ = priv, privB |
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// assert.Equal(t, priv, privB, "Expected priv keys to match")
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assert.Equal(t, pub, pubB, "Expected pub keys to match") |
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var pubT crypto.PubKeySecp256k1 |
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@ -94,7 +100,23 @@ func ifExit(err error, n int) { |
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} |
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func btcsuite(seed []byte) ([]byte, []byte) { |
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masterKey, _ := hdkeychain.NewMaster(seed, &chaincfg.MainNetParams) |
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fmt.Println("HD") |
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masterKey, err := hdkeychain.NewMaster(seed, &chaincfg.MainNetParams) |
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if err != nil { |
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hmac := hmac.New(sha512.New, []byte("Bitcoin seed")) |
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hmac.Write([]byte(seed)) |
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intermediary := hmac.Sum(nil) |
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curve := btcutil.Secp256k1() |
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curveParams := curve.Params() |
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// Split it into our key and chain code
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keyBytes := intermediary[:32] |
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fmt.Printf("\t%X\n", keyBytes) |
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fmt.Printf("\t%X\n", curveParams.N.Bytes()) |
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keyInt, _ := binary.ReadVarint(bytes.NewBuffer(keyBytes)) |
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fmt.Printf("\t%d\n", keyInt) |
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} |
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fh := hdkeychain.HardenedKeyStart |
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k, err := masterKey.Child(uint32(fh + 44)) |
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ifExit(err, 44) |
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@ -118,13 +140,35 @@ func btcsuite(seed []byte) ([]byte, []byte) { |
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// return priv and pub
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func tylerSmith(seed []byte) ([]byte, []byte) { |
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masterKey, _ := bip32.NewMasterKey(seed) |
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masterKey, err := bip32.NewMasterKey(seed) |
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if err != nil { |
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hmac := hmac.New(sha512.New, []byte("Bitcoin seed")) |
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hmac.Write([]byte(seed)) |
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intermediary := hmac.Sum(nil) |
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curve := btcutil.Secp256k1() |
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curveParams := curve.Params() |
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// Split it into our key and chain code
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keyBytes := intermediary[:32] |
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fmt.Printf("\t%X\n", keyBytes) |
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fmt.Printf("\t%X\n", curveParams.N.Bytes()) |
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keyInt, _ := binary.ReadVarint(bytes.NewBuffer(keyBytes)) |
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fmt.Printf("\t%d\n", keyInt) |
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} |
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ifExit(err, 0) |
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fh := bip32.FirstHardenedChild |
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k, _ := masterKey.NewChildKey(fh + 44) |
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k, _ = k.NewChildKey(fh + 118) |
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k, _ = k.NewChildKey(fh + 0) |
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k, _ = k.NewChildKey(0) |
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k, _ = k.NewChildKey(0) |
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k, err := masterKey.NewChildKey(fh + 44) |
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ifExit(err, 44) |
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k, err = k.NewChildKey(fh + 118) |
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ifExit(err, 118) |
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k, err = k.NewChildKey(fh + 0) |
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ifExit(err, 1) |
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k, err = k.NewChildKey(0) |
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ifExit(err, 2) |
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k, err = k.NewChildKey(0) |
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ifExit(err, 3) |
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priv := k.Key |
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pub := k.PublicKey().Key |
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