GODT-1754: Add logs for unilateral updates and SEARCH.

pkg/algo/hash.go

@@ -0,0 +1,41 @@
+// Copyright (c) 2022 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Proton Mail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
+
+package algo
+
+import (
+	"crypto/sha256"
+	"encoding/base64"
+	"encoding/hex"
+)
+
+func Hash256(b []byte) []byte {
+	h := sha256.Sum256(b)
+	return h[:]
+}
+
+func HashBase64SHA256(s string) string {
+	return base64.StdEncoding.EncodeToString(
+		Hash256([]byte(s)),
+	)
+}
+
+func HashHexSHA256(s string) string {
+	return hex.EncodeToString(
+		Hash256([]byte(s)),
+	)
+}