Questions tagged [transparent-data-encryption]

Transparent Data Encryption, a feature used to provide protection for data at rest.

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How does SQL Server use Asymmetric Key pair in the EKM to implement TDE?

My understanding of Asymmetric Keys is that it is a public + private key pair. Data encrypted by a public key by partyA can only be decrypted by the private key which partyB owns and never reveals. In ...
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unknown variable 'file-key-management-filename'

New installation of Debian 10, with MariaDB 10.3.29. Trying to set up encryption-at-rest, but MariaDB won't start due to an error... [ERROR] /usr/sbin/mysqld: unknown variable 'file-key-management-...
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Oracle TDE - opening/closing an encryption wallet

I have a quick question relating to Oracle TDE. Could somebody please explain why both of the following pairs of commands appear to work when opening/closing an ecryption wallet? Is the wallet ...
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Oracle 11g TDE wallet autologin

I have setup Oracle TDE for my 11.2.0.4 database. I created the wallet. I created the autologin wallet and everything looked good. {ORACLE_HOME}/bin/orapki wallet create -wallet cwallet.sso -...
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Oracle 11g Encryption

Can somebody please tell me how to encrypt an existing tablespace in 11g? The wallet has been setup and the sqlnet.ora points to it. SQL> select STATUS FROM V$ENCRYPTION_WALLET; STATUS -----------...
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Is possible to restore BD SQL Server without key encryption from 2008 R2?

I have a database that has an encryption. The encryption key was lost. This database is on a SQL Server 2008 R2 server, and my mandate is to migrate this database on a more recent server. Is there a ...
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TDE error when attempting to encrypt a datafile

I'm encountering error ORA-28374: typed master key not found in wallet when attempting to run alter database datafile '+DATA/testdb/datafile/users.2514.1233355332' encrypt; against an 11g database ...
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TDE Encryption Certificate Verification?

I'm attempting to audit/very TDE encryption of a database; significantly I've inherited a bunch of certificates and passwords and I'm attempting to update documentation to properly indicate the ...
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TDE State Changes in Error Logs

I am experiencing some messages in our Error logs on a Development database relating to TDE. This is running on SQL Server 2017 CU21. [TDE] SetDbeState on DEK 0x0000000000000000: Old State: None (0), ...
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Load from column encrypted ASE database

ASE documents the process to export-import keys when we fully encrypt the database. Once imported, a create query with the same credential on a target allows load from the source database. But in the ...
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Is the BACPAC from a TDE encrypted DB also encrypted?

If you create a BACPAC of an encrypted database, will the data in the BACPAC be encrypted? We're currently using on-prem SQL Server and use TDE to encrypt our customer databases. We also have a ...
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is it safe to compress backups for databases with TDE enabled?

I've been reading about this for a long time, and it seems it's not safe to compress a backup when the database has TDE enabled. is anyone experiencing errors during restore with compressed backups ...
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Should I backup Master key / Service master key if I'm using TDE?

I've done this in the past, and now I need to do it again. activate TDE. I remember that I didn't need to restore the master key on the secondary server to restore the database. And now, as I have bad ...
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Good practices about Data Encryption

I would like to know (better ideas/best practices...) what can I use to encrypt my data. I've used TDE in the past and I really don't like it. because if something happens with the certificate, and ...
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Enabling TDE on Postgres for an existing database

I’m trying to review my options for enabling Transparent Data Encryption on Postgres for an existing database. The main issue is that we want to enable this but already have an existing database with ...
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A simple question about TDE

I have a question regarding TDE on SQL Server 2017 for example. I created the master key Created the certificate Created the database encryption key ( now the database is encrypted) Backed up the ...
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How to restore TDE encrypted DB on AWS (with certificate not stored in master)?

The way Amazon RDS enable TDE feature is to generate a certificate stored in master. However, I need to restore a database that is encrypted by another certificate. I have the cert file, private key ...
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SQL Server 2019 and Transparent Data Encryption - Intermittent (silent) Error Log Messages

I recently migrated a SQL Server 2017 TDE database to SQL Server 2019 CU4. I was browsing the Error Log and noticed intermittent messages about An error occurred while processing log encryption. The ...
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Cloning a SQL Server Virtual Machine with TDE

When a virtual machine with a SQL Server database that uses TDE is copied or cloned, will the database be readable on the new instance?
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What's the limit of TDE certificates allowed in master database [SQL Server]

Let's say I have a SQL instance with 10k databases that I want to enable TDE using different certificates for each database. Is there any kind of limit to creating certificates on master database? ...
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Oracle 12c. Is it possible to export a TDE encrypted table using expdp / impdp to a database without TDE / wallet enabled?

I have an Oracle 12c database where I have encrypted certain columns of several tables, I want to import or load these tables into another database which does not have TDE enabled, as would be ...
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Oracle 19c cannot create master key

I cannot create master key in oracle 19c... I set parameter in sqlnet.ora like as: WALLET_LOCATION= (SOURCE= (METHOD=file) (METHOD_DATA= (DIRECTORY=/opt/oracle/product/19c/db_home/...
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In Place Rebuild a TDE Encrypted SQL Server Instance

I have a TDE Encrypted SQL Server machine (with a masterkey, Certs, etc). I need to rebuild this SQL Server onto new hardware, BUT keep the original SQL Server Name. The new box will be named exactly ...
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SQL Server 2019 and TDE

We are about to move away from SQL 2008R2 to a much newer version. We upgraded to the Enterprise Edition of 2008R2 just for TDE, but I was just browsing here: https://docs.microsoft.com/en-us/sql/sql-...
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Internals of backup compression with TDE (SQL Server)

Does anyone have any (inside?) knowledge of how backup compression works with TDE on SQL Server (version 2016+). In general I would expect compression of encrypted data to have minimal benefit, ...
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SQL Connector for Azure Key Vault - Cannot use more than one key vault

I am using SQL Server 2016 Enterprise Edition with SQL Connector for Azure Key Vault. I am trying to attach more than one Key Vault to my SQL instance but it is not working. I went through these ...
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SQL TDE and Certificate Handling Recommendations

I've seen the information on this post: But I don't think it answers this particular question/concern: I have multiple SQL servers with multiple databases. We want to use TDE on a few of them. ...
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Turn TDE off when restoring SQL databases

We are just getting started with TDE. Eventually it will be in our Prod SQL Server environment and two major non-prod environments, but currently it is only in one non-prod system. My question is ...
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Where can I find the reason why TDE encryption Scan aborted?

When encrypting large database > 10TB . I had to issue --alter database set encryption on several times , but the encryption starts and fails with the same message in the error log. where can i find ...
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Auditing of modification of change to encryption keys

Is it possible to audit/log any attempts or actual changes to the keys used in the encryption hierarchy? We are using 2014 Enterprise edition and have recently enabled TDE across our databases and ...
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How to use tablespace

I am trying to implement Transperent Data Encryption. I am done with setting up the wallet and creating the tablespace. My doubt is how to specify tablespace so that every object(tables/functions/...
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SQL Server TDE Vs SQL Server Database Backups

Can anyone please help me understand below case: Kindly advise on below case: SQL Server is on 2014 SP2 GDR version I read Compression and TDE does not go hand in hand . I have 2 PRD Environments:...
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Is there a way to open an encrypted Oracle Database wallet through weblogic JDBC drivers?

I encrypted a column in an Oracle 12c database using the TDE method, The said column was being used in my application, The column becomes unavailable due to the Database wallet being closed. To open ...
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TEMP Database is not showing Encrypted in TDE in SQL Server 2008R2

As per my knowledge, when we encrypt any user database in SQL Server through TDE, the TEMP database automatically gets encrypted. I have done TDE in SQL Server 2016, and when I check through SELECT ...
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SQL Connector for Azure Key Vault - multiple key vaults and keys per instance

In SQL Server 2016 Enterprise Edition, is it possible to link a single instance to more than one Azure key vault / EKM provider? If so, how would I add an additional provider? Any security ...
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How to change SQL Server master key password?

I created a master key, then a certificate and encrypted my database. CREATE MASTER KEY ENCRYPTION BY PASSWORD='A Very Strong Password'; GO CREATE CERTIFICATE foo WITH SUBJECT='Database Encryption ...
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File permissions for database backups and certificate backups

I have backed up a database and backed up the database master key to the very same folder. Everyone has full access to this folder, however, only the database backup inherits the permissions of the ...
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TDE Master Key Rotation

Does changing the TDE Master Key (DB Master Key and/or the DB encryption key) always require decryption and re-encryption? If not, at what version did SQL Server begin to allow you to change the ...
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Database Encryption scan for database <name> was aborted. Reissue ALTER DB to resume the scan

I disabled TDE on a database and once completed I dropped the DB certificate for it. Later I performed a manual failover to node2 and ran steps to enable TDE once again. However encryption state is ...
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TDE Enabled DB Always Going Into “Recovery Pending” on Secondary Node [duplicate]

I have a Windows Failover Cluster set up with SQL 2016 Enterprise SP2. TDE was implemented on a DB, on node1 the DB is able to start without issues. However, when a failover occurs, on node2 the DB ...
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SQL Server TDE - Database backups and post restore behaviour

Below is my SQL Server details: SQL Server 2014 Enterprise SP2 GDR with Availability Group configured. List item NOTE: The Databases are FileStream Enabled. Below are the series of actions I did ...
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using oracle tde

I am new to using oracle database. I want to encrypt data stored in oracle. I am using oracle 18c for this and using TDE(Transparent Data Encryption) feature for it. However, when I run select query ...
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Clarifications on Transparent Data Encryption

This is the first time we are applying TDE on production databases that are critical and I have the questions below. While TDE is in progress: Can we still access the application that is working on ...
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Will TDE encryption protect my SQL database from hacker in this scenario

I'm a bit understand that TDE encryption protect the database from being stolen and read by a hacker. However, I don't understand if it can help me in this scenario: If a hacker got into my server and ...
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How do you use pvkconverter.exe - not working for me?

I tried to following this link to convert a .pfx file to the .cer and .pvk file pair. When I run this command: "C:\Program Files (x86)\Microsoft\PVKConverter\PVKConverter.exe" -i TDE_Cert.pfx -o ...
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Data Security in MS SQL Server

How do I store the sensitive information on SQL server?. We have policy guidelines, DBA and Development engineers are not allowed to view the data as plain text. I am aware of the encryption ...
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578 views

Generate the statistics of a table after truncating it and then repopulate it?

Is it necessary to generate the statistics of a table after truncating it and then repopulate it? I have a table with several million rows in Oracle.Every week new data is recharged, truncating the ...
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Restore fails on unencrypted database

I tried to restore an unencrypted database to a different server and it failed with the error: "Cannot find certificate with thumbprint". This suggests the database is encrypted but it is not. ...
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I only have backup of a TDE encrypted SQL Server database--can it be restored it to another server?

My situation is little weird--I have no access to the source database server, but I do have the database backups of a database that is encrypted with TDE. When I restore it to another server, I am ...
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Enabling TDE on PRODUCTION Servers - Guidance , Suggestions and Testing TDE ways

First of all just want to say , I am completely new to Transparent Data Encryption. Can I get some guidance on things to keep in mind while I am enabling TDE on Critical PRODUCTION Servers. I have ...