forked from Silverfish/proton-bridge
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
// Copyright (c) 2021 Proton Technologies AG
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//
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// This file is part of ProtonMail Bridge.
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//
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// ProtonMail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// ProtonMail Bridge 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with ProtonMail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package message
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import (
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"crypto/sha256"
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"encoding/hex"
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)
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type boundary struct {
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val string
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}
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func newBoundary(seed string) *boundary {
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return &boundary{val: seed}
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}
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func (bw *boundary) gen() string {
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hash := sha256.New()
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if _, err := hash.Write([]byte(bw.val)); err != nil {
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panic(err)
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}
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bw.val = hex.EncodeToString(hash.Sum(nil))
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return bw.val
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}
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