I have been working with the PostgreSQL community recently to develop TDE (Transparent Data Encryption). During this time, I studied some cryptography-related knowledge and used it to combine with the database. I will introduce the TDE in PostgreSQL by the
After introducing the difference between the AES modes, in this document, I will put the results about the AES modes performance. The following tests just use one core CPU. AES-NI:The Advanced Encryption Standard Instruction Set (or Intel Advanced Encryption Standard
Just-in-time compilation of SQL statements is one of the new features in PostgreSQL 11. Just-in-Time compilation (JIT) is the process of turning some form of interpreted program evaluation into a native program and doing so at runtime. While doing some
Recently, I did some work with Sawada-san on the TDE. So I studied on the encryption algorithm. So far, I study five modes in the AES. In this document, I will introduce the difference in the five kinds of mode.
Key management consists of four parts: key generation, key preservation, key exchange, and key rotation. Key Generation Only for the study of symmetric encryption, so I mainly introduce symmetric encryption. The symmetric password generation method is: A random number is
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