|
|
|
@ -2,37 +2,9 @@ package ethcrypto |
|
|
|
|
|
|
|
|
|
import ( |
|
|
|
|
"fmt" |
|
|
|
|
"io/ioutil" |
|
|
|
|
"os" |
|
|
|
|
"path" |
|
|
|
|
"path/filepath" |
|
|
|
|
"strconv" |
|
|
|
|
"strings" |
|
|
|
|
) |
|
|
|
|
|
|
|
|
|
func InitWords(wordsPath string) { |
|
|
|
|
filename := path.Join(wordsPath, "mnemonic.words.lst") |
|
|
|
|
if _, err := os.Stat(filename); os.IsNotExist(err) { |
|
|
|
|
dir := path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "eth-go", "ethcrypto") |
|
|
|
|
filename = path.Join(dir, "mnemonic.words.lst") |
|
|
|
|
if _, err := os.Stat(filename); os.IsNotExist(err) { |
|
|
|
|
dir, err := filepath.Abs(filepath.Dir(os.Args[0])) |
|
|
|
|
if err != nil { |
|
|
|
|
panic(fmt.Errorf("problem getting current folder: ", err)) |
|
|
|
|
} |
|
|
|
|
filename = path.Join(dir, "mnemonic.words.lst") |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
content, err := ioutil.ReadFile(filename) |
|
|
|
|
if err != nil { |
|
|
|
|
panic(fmt.Errorf("All options for finding the mnemonic word list file 'mnemonic.words.lst' failed: ", err)) |
|
|
|
|
} |
|
|
|
|
words = strings.Split(string(content), "\n") |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
var words []string |
|
|
|
|
|
|
|
|
|
// TODO: See if we can refactor this into a shared util lib if we need it multiple times
|
|
|
|
|
func IndexOf(slice []string, value string) int64 { |
|
|
|
|
for p, v := range slice { |
|
|
|
@ -45,7 +17,7 @@ func IndexOf(slice []string, value string) int64 { |
|
|
|
|
|
|
|
|
|
func MnemonicEncode(message string) []string { |
|
|
|
|
var out []string |
|
|
|
|
n := int64(len(words)) |
|
|
|
|
n := int64(len(MnemonicWords)) |
|
|
|
|
|
|
|
|
|
for i := 0; i < len(message); i += (len(message) / 8) { |
|
|
|
|
x := message[i : i+8] |
|
|
|
@ -53,22 +25,22 @@ func MnemonicEncode(message string) []string { |
|
|
|
|
w1 := (bit % n) |
|
|
|
|
w2 := ((bit / n) + w1) % n |
|
|
|
|
w3 := ((bit / n / n) + w2) % n |
|
|
|
|
out = append(out, words[w1], words[w2], words[w3]) |
|
|
|
|
out = append(out, MnemonicWords[w1], MnemonicWords[w2], MnemonicWords[w3]) |
|
|
|
|
} |
|
|
|
|
return out |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
func MnemonicDecode(wordsar []string) string { |
|
|
|
|
var out string |
|
|
|
|
n := int64(len(words)) |
|
|
|
|
n := int64(len(MnemonicWords)) |
|
|
|
|
|
|
|
|
|
for i := 0; i < len(wordsar); i += 3 { |
|
|
|
|
word1 := wordsar[i] |
|
|
|
|
word2 := wordsar[i+1] |
|
|
|
|
word3 := wordsar[i+2] |
|
|
|
|
w1 := IndexOf(words, word1) |
|
|
|
|
w2 := IndexOf(words, word2) |
|
|
|
|
w3 := IndexOf(words, word3) |
|
|
|
|
w1 := IndexOf(MnemonicWords, word1) |
|
|
|
|
w2 := IndexOf(MnemonicWords, word2) |
|
|
|
|
w3 := IndexOf(MnemonicWords, word3) |
|
|
|
|
|
|
|
|
|
y := (w2 - w1) % n |
|
|
|
|
z := (w3 - w2) % n |
|
|
|
|