mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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68 lines
2.0 KiB
Go
68 lines
2.0 KiB
Go
// Copyright 2014 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// Modified by Prysmatic Labs 2018
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package keystore
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import (
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"crypto/aes"
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"crypto/cipher"
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"encoding/hex"
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"fmt"
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"time"
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"github.com/prysmaticlabs/prysm/shared/bls"
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)
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func aesCTRXOR(key, inText, iv []byte) ([]byte, error) {
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// AES-128 is selected due to size of encryptKey.
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aesBlock, err := aes.NewCipher(key)
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if err != nil {
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return nil, err
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}
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stream := cipher.NewCTR(aesBlock, iv)
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outText := make([]byte, len(inText))
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stream.XORKeyStream(outText, inText)
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return outText, err
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}
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func ensureInt(x interface{}) int {
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res, ok := x.(int)
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if !ok {
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res = int(x.(float64))
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}
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return res
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}
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// keyFileName implements the naming convention for keyfiles:
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// UTC--<created_at UTC ISO8601>-<first 8 character of address hex>
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func keyFileName(pubkey *bls.PublicKey) string {
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ts := time.Now().UTC()
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return fmt.Sprintf("UTC--%s--%s", toISO8601(ts), hex.EncodeToString(pubkey.Marshal())[:8])
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}
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func toISO8601(t time.Time) string {
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var tz string
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name, offset := t.Zone()
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if name == "UTC" {
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tz = "Z"
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} else {
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tz = fmt.Sprintf("%03d00", offset/3600)
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}
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return fmt.Sprintf("%04d-%02d-%02dT%02d-%02d-%02d.%09d%s", t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second(), t.Nanosecond(), tz)
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}
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