Serializer/deserializer for encrypted backup files

[UgnineSirdis]

Changelog entry

Make serializer/deserializer for encrypted backup files. Use it in export code, but higher level code yet does not set the settings for encryption.

Changelog category

• New feature

Description for reviewers

...

[github-actions]

🟢 2025-02-21 13:48:36 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-02-21 13:48:49 UTC Pre-commit check linux-x86_64-relwithdebinfo for da83589 has started.
⚪ 2025-02-21 13:50:33 UTC Artifacts will be uploaded here
⚪ 2025-02-21 13:53:31 UTC ya make is running...
🟡 2025-02-21 14:58:56 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
19176	17811	0	3	1223	139

⚪ 2025-02-21 15:01:38 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-02-21 15:22:48 UTC Tests successful.

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
219 (only retried tests)	91	0	0	1	127

🟢 2025-02-21 15:22:57 UTC Build successful.
🟡 2025-02-21 15:23:17 UTC ydbd size 2.1 GiB changed* by +216.0 KiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: 39d7abd	merge: da83589	diff	diff %
ydbd size	2 241 738 832 Bytes	2 241 959 968 Bytes	+216.0 KiB	+0.010%
ydbd stripped size	474 858 136 Bytes	474 884 792 Bytes	+26.0 KiB	+0.006%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2025-02-21 13:53:54 UTC Pre-commit check linux-x86_64-release-asan for da83589 has started.
⚪ 2025-02-21 13:54:55 UTC Artifacts will be uploaded here
⚪ 2025-02-21 13:57:57 UTC ya make is running...
🟡 2025-02-21 15:10:16 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
11860	11789	0	20	14	37

⚪ 2025-02-21 15:12:20 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-02-21 15:30:45 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
110 (only retried tests)	67	0	2	7	34

⚪ 2025-02-21 15:30:56 UTC ya make is running... (failed tests rerun, try 3)
🟢 2025-02-21 15:42:37 UTC Tests successful.

Test history | Ya make output | Test bloat | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
74 (only retried tests)	39	0	0	4	31

🟢 2025-02-21 15:42:47 UTC Build successful.
🟡 2025-02-21 15:43:17 UTC ydbd size 3.6 GiB changed* by +346.8 KiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: d2ecf39	merge: da83589	diff	diff %
ydbd size	3 899 681 352 Bytes	3 900 036 440 Bytes	+346.8 KiB	+0.009%
ydbd stripped size	1 365 006 912 Bytes	1 365 131 392 Bytes	+121.6 KiB	+0.009%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2025-02-25 12:36:23 UTC Pre-commit check linux-x86_64-relwithdebinfo for 5996f83 has started.
⚪ 2025-02-25 12:36:38 UTC Artifacts will be uploaded here
⚪ 2025-02-25 12:39:31 UTC ya make is running...
🟡 2025-02-25 13:42:10 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
19188	17817	0	2	1229	140

⚪ 2025-02-25 13:44:05 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-02-25 14:16:32 UTC Tests successful.

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
224 (only retried tests)	94	0	0	0	130

🟢 2025-02-25 14:16:41 UTC Build successful.
🟡 2025-02-25 14:17:02 UTC ydbd size 2.1 GiB changed* by +175.0 KiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: 9029d02	merge: 5996f83	diff	diff %
ydbd size	2 243 209 832 Bytes	2 243 389 008 Bytes	+175.0 KiB	+0.008%
ydbd stripped size	474 901 528 Bytes	474 925 176 Bytes	+23.1 KiB	+0.005%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2025-02-25 12:36:36 UTC Pre-commit check linux-x86_64-release-asan for 5996f83 has started.
⚪ 2025-02-25 12:37:03 UTC Artifacts will be uploaded here
⚪ 2025-02-25 12:40:04 UTC ya make is running...
🟡 2025-02-25 13:53:23 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
11743	11662	0	23	26	32

⚪ 2025-02-25 13:54:31 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-02-25 14:14:31 UTC Tests successful.

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
116 (only retried tests)	82	0	0	3	31

🟢 2025-02-25 14:14:40 UTC Build successful.
🟡 2025-02-25 14:15:10 UTC ydbd size 3.6 GiB changed* by +350.8 KiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: 9029d02	merge: 5996f83	diff	diff %
ydbd size	3 900 116 896 Bytes	3 900 476 104 Bytes	+350.8 KiB	+0.009%
ydbd stripped size	1 365 335 376 Bytes	1 365 463 952 Bytes	+125.6 KiB	+0.009%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}