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Telegram/SourceFiles/passport/passport_encryption.h

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+namespace Passport {
+
+bytes::vector GenerateSecretBytes();
+
+bytes::vector EncryptSecureSecret(
+	bytes::const_span secret,
+	bytes::const_span passwordHashForSecret);
+bytes::vector DecryptSecureSecret(
+	bytes::const_span encryptedSecret,
+	bytes::const_span passwordHashForSecret);
+
+bytes::vector SerializeData(const std::map<QString, QString> &data);
+std::map<QString, QString> DeserializeData(bytes::const_span bytes);
+
+struct DataError {
+	// QByteArray - bad existing scan with such file_hash
+	// QString - bad data field value with such key
+	// std::nullopt - additional scan required
+	std::variant<v::null_t, QByteArray, QString> key;
+	QString type; // personal_details, passport, etc.
+	QString text;
+
+};
+std::vector<DataError> DeserializeErrors(bytes::const_span json);
+
+struct EncryptedData {
+	bytes::vector secret;
+	bytes::vector hash;
+	bytes::vector bytes;
+};
+
+EncryptedData EncryptData(bytes::const_span bytes);
+
+EncryptedData EncryptData(
+	bytes::const_span bytes,
+	bytes::const_span dataSecret);
+
+bytes::vector DecryptData(
+	bytes::const_span encrypted,
+	bytes::const_span dataHash,
+	bytes::const_span dataSecret);
+
+bytes::vector PrepareValueHash(
+	bytes::const_span dataHash,
+	bytes::const_span valueSecret);
+
+bytes::vector EncryptValueSecret(
+	bytes::const_span valueSecret,
+	bytes::const_span secret,
+	bytes::const_span valueHash);
+
+bytes::vector DecryptValueSecret(
+	bytes::const_span encrypted,
+	bytes::const_span secret,
+	bytes::const_span valueHash);
+
+uint64 CountSecureSecretId(bytes::const_span secret);
+
+bytes::vector EncryptCredentialsSecret(
+	bytes::const_span secret,
+	bytes::const_span publicKey);
+
+} // namespace Passport