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authorobscuren <geffobscura@gmail.com>2014-10-31 19:37:43 +0800
committerobscuren <geffobscura@gmail.com>2014-10-31 19:37:43 +0800
commitfd9da72536b73351bbcdc1e9dbbbb8c0e4bfb21b (patch)
tree5f60296ff025ec08962cdd2b4f6bbcfd1479cfdb /ethcrypto/mnemonic.go
parent3ee0461cb5b6e4a5e2d287180afbdb681805a662 (diff)
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ethcrypto => crypto
Diffstat (limited to 'ethcrypto/mnemonic.go')
-rw-r--r--ethcrypto/mnemonic.go60
1 files changed, 0 insertions, 60 deletions
diff --git a/ethcrypto/mnemonic.go b/ethcrypto/mnemonic.go
deleted file mode 100644
index 5fb620219..000000000
--- a/ethcrypto/mnemonic.go
+++ /dev/null
@@ -1,60 +0,0 @@
-package ethcrypto
-
-import (
- "fmt"
- "strconv"
-)
-
-// 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 {
- if v == value {
- return int64(p)
- }
- }
- return -1
-}
-
-func MnemonicEncode(message string) []string {
- var out []string
- n := int64(len(MnemonicWords))
-
- for i := 0; i < len(message); i += (len(message) / 8) {
- x := message[i : i+8]
- bit, _ := strconv.ParseInt(x, 16, 64)
- w1 := (bit % n)
- w2 := ((bit / n) + w1) % n
- w3 := ((bit / n / n) + w2) % n
- out = append(out, MnemonicWords[w1], MnemonicWords[w2], MnemonicWords[w3])
- }
- return out
-}
-
-func MnemonicDecode(wordsar []string) string {
- var out string
- 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(MnemonicWords, word1)
- w2 := IndexOf(MnemonicWords, word2)
- w3 := IndexOf(MnemonicWords, word3)
-
- y := (w2 - w1) % n
- z := (w3 - w2) % n
-
- // Golang handles modulo with negative numbers different then most languages
- // The modulo can be negative, we don't want that.
- if z < 0 {
- z += n
- }
- if y < 0 {
- y += n
- }
- x := w1 + n*(y) + n*n*(z)
- out += fmt.Sprintf("%08x", x)
- }
- return out
-}