[_] Add pk and salt into aux

[TamaraFinogina]

Description

PR adds salt and the user's public key into aux. So, if inside the keystore user email or pk changes, then keystore decryption will fail even with the correct password because it means that the keystore was modified.

Checklist

• Changes have been tested locally.
• Unit tests have been written or updated as necessary.
• The code adheres to the repository's coding standards.
• Relevant documentation has been added or updated.
• No new warnings or errors have been introduced.
• SonarCloud issues have been reviewed and addressed.
• QA Passed

Testing Process

unit tests

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
94.7% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud