Tagged Questions

The conversion of data into a form that cannot be easily understood by unauthorized users.

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0
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1answer
56 views

Encrypted Connection on Sql Server

I want to make SQL server connection encrypted. Well I know for that we need some certificate and all and it is not like that I am asking without trying any thing, but the fact it whatever I try it is ...
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0answers
60 views

DBMS_CRYPTO - ORA-06521 PL/SQL: Error mapping function

PACKAGE: user/password -- SYSTEM/SYSTEM CREATE OR REPLACE PACKAGE enc_dec AS FUNCTION encrypt (p_plainText VARCHAR2) RETURN RAW DETERMINISTIC; FUNCTION decrypt (p_encryptedText RAW) RETURN ...
2
votes
1answer
43 views

SQL Server 2012 Transparent Data Encryption and indexes

Does SQL Server TDE allow a query like this: select * from Patient where lastname = 'Smith' to occur without a full-table scan if the lastname column is indexed?
0
votes
1answer
49 views

How do I backup/restore database encryption key in order to restore on new server

I am currently in the process of restoring a TDE encrypted database to another instance. I have backed up master key and certificate, and have restored them to the new server fine, but I am still ...
2
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0answers
59 views

“Force Encryption” vs “Force Protocol Encryption” in SQL Server

I'm trying to understand how the different settings affect the behaviour of my server-client communication. On the server I have installed a self-signed CA with an issued exchange cert which also has ...
0
votes
1answer
107 views

Lost DMK encryption password for master database

Back story: My company has TDE encryption enabled for some of our databases. The password that the master key was encrypted by for one of our servers is lost. We do have the backup .key file, however, ...
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0answers
24 views

How to tell if Database Certificate Used?

I plan to migrate a SQL Server database to another server. There is a certificate listed under the Security > Certificates view in SSMS Object Explorer. I ran the below query to check if database is ...
2
votes
2answers
73 views

Why do I need to backup the Database Master Key?

When I make a Database Master Key for a database: CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Some Long Password' This page from Microsoft recommends I back it up offsite: ...
2
votes
2answers
430 views

Why does the service broker require a master key after restoring to a different server?

I've been moving some databases which use the service broker to new servers recently via backup and restore. I've noticed that once I do this, these databases start throwing the database master key ...
2
votes
1answer
110 views

How does Transparent Data Encryption actually work?

I've been trying to understand how TDE works with databases (particularly SQL Server). I've read numerous MSDN articles, blogs, info websites etc, but still cant get my head around all of it. This is ...
4
votes
1answer
234 views

How to restore symmetric key on the new database?

I have an issue with symmetric key restoring on the another database. I have table in the first(old) database with encrypted column.(The table contains encrypted data) The key in the old database has ...
1
vote
1answer
76 views

Is there a common approach to encrypting data at the database level?

Is there a common approach to encrypting data at the database level? The application I am working on will be storing sensitive data that only users of the system themselves will be able to view.
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0answers
125 views

Bcrypt in Oracle

I am trying to save the user password using Bcrypt algorithm in Oracle 11g. I know this can be done in Java easily, but in this case i want to do this in DB side. Can any one help me in achieving ...
2
votes
1answer
115 views

Postgres database level encryption

I want to have the whole database to be encrypted, instead of encrypting the data before storing into database. Is it possible to encrypt the whole postgres database and what best method to use? ...
0
votes
1answer
150 views

AES 256 data encryption on Mysql

Is there a way to encrypt the whole data of a mysql DB using the AES 256 symmetric encryption method without encrypting the data manually using AES_ENCRYPT ? This article explains about the same ...
0
votes
1answer
67 views

Impact of replication compression & encryption on performance, traffic?

What is the impact of MySQL compressed-slave-protocol on replication traffic? According to High performance MySQL it can lower the traffic to a third of the same replication without the compression. ...
1
vote
1answer
183 views

Using EncryptByPassPhrase in where condition

I am using EncryptByPassPhrase of sql server. But i am not able to use where condition properly. DECLARE @login_details TABLE(uid integer,username varchar(10),password varbinary(100)) insert into ...
0
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0answers
49 views

Enable Oracle network encryption

I have to enable network encryption on a specific instance. We have a single DB machine runnning one listener from /etc/listener.ora and several instances. TNS_ADMIN is set to /etc. Oracle 11.2g is ...
1
vote
1answer
139 views

Secure postgresql database encryption

According to this answer, it's not possible to have a fully secure database encryption with pgcrypto. Now, 2 years later (in postgresql 9.3) is there any new extension or new method to have a ...
0
votes
1answer
64 views

mysql encryption key storage on file

I have a MYSQL server on a linux server. I am using AES encryption functions to store data in the DB server. Commands are like this ones: INSERT into userc (name, town) VALUES ...
1
vote
1answer
226 views

How to check Oracle database connection encryption type

How to check the Oracle database connection encryption type?(between Oracle database and other client applications)How do I assure between Oracle database and Toad the database connection is ...
2
votes
3answers
299 views

What is the best way to store a lot of user-encrypted data?

I'm about to develop an application that will mainly store user-encrypted data. Each piece of data being encrypted thanks to an AES key, itself encrypted with the public RSA key of each granted user. ...
4
votes
2answers
1k views

Is there a quick way to find all columns in SQL Server 2008 R2 that are encrypted/have encrypted data?

Is there a quick way to find all columns in SQL Server 2008 R2 that are encrypted/have encrypted data? I need to nullify the data in all encrypted columns in a development server (according to our ...
0
votes
1answer
2k views

How to grant permission for creating,reading and executing symmetric key in sql server 2008

We have user associated to a schema with limited privileges.During run time we are generating symmetric key using same user log-in.since the user has limited privilege, we are not able to create key ...
3
votes
1answer
403 views

Why is the “The package can not be saved to the file system since its protection level is server storage” error?

When I execute dtutil /sourceserver localhost /SQL "\Maintenance Plans\MaintenancePlan_daily" /copy file;.\MaintenancePlan_daily.dtsx from the answer to my question "Any way to ...
1
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0answers
130 views

Why use asymmetric keys in SQL Server?

I've been reading multiple resources on SQL Server Encryption, and everyone does it basically the same way, but no one explains why we use asymmetric keys in SQL Server. And by this I mean when we ...
1
vote
0answers
173 views

Restore of SQL service master key not required to decrypt data after migration?

This is a bit of the opposite of how this question is usually asked-- I used the following to create a database master key, a certificate, and a symmetric key: Here's how I created the certs/keys ...
0
votes
2answers
371 views

Copy SQL Server database to same server & decrypt by symmetric key return null

I have a SQL Server 2012 database that I backed up and restored to the same server and instance. When I attempt to use DecryptByKey it always returns null. Since it is the same server, do I need to ...
0
votes
1answer
162 views

Under what conditions does SQL Server encrypt tempdb?

When does tempdb get encrypted with Transparent Data Encryption? What configuration, etc, causes tempdb to be encrypted this way?
2
votes
1answer
825 views

Is data encrypted by ENCRYPTBYPASSPHRASE() protected by the service master key?

In a recent question, What does the Service Master Key protect?, it was suggested that the service master key protects, among other things, data encrypted by ENCRYPTPASSPHRASE(). Is this true?
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2answers
490 views

What does the Service Master Key protect?

I am looking for a complete list of items that the Service Master Key is used to protect in SQL Server 2008.
0
votes
1answer
56 views

Connecting to Oracle with encrypted pwd

I am reading my userid , pwd from a file with 400 permissions to connect to the external oracle application. Now my requirement is that i should not use the plain text pwd present in the file . I ...
2
votes
1answer
1k views

Replicate or Call java encryption function in Oracle pl/sql

I am trying to replicate encryption/decryption method present in java in Oracle DB, so that data encrypted in java can be decrypted through Oracle Function. Below is java code: package com.encr; ...
0
votes
2answers
355 views

Password encryption type

I would like to confirm if MySQL uses SHA1 for 'PASSSWORD' hashing and why test below doesn't work: mysql> GRANT USAGE ON *.* TO 'test'@'localhost' IDENTIFIED BY 'password'; Query OK, 0 rows ...
4
votes
3answers
2k views

Best practices to encrypt all the data

I'm working in a project, where the client is afraid their own employees (ie.: junior I.T. guys who the client does not trust) querying the database to get sensitive information. The database is a ...
3
votes
1answer
48 views

SP with Encryption Read/Writes Stats

If a stored procedure in SQL Server 2005 is created with the syntax "WITH ENCRYPTION" ,are the reads and writes of the encrypted stored procedure recorded in the sys.dm_db_index_usage_stats? I am ...
1
vote
1answer
235 views

One call to `decryptbypassphrase` for decrypting all columns

If I use ENCRYPTBYPASSPHRASE to encrypt the full table then how can I decrypt full table easily by using DECRYPTBYPASSPHRASE? Actually I have to use DECRYPTBYPASSPHRASE ('passphrase', column_name) ...
1
vote
0answers
693 views

SQL Server TDE Stuck at Encryption_State 2 and 0% on a Tiny DB

I'm having a heck of a time with this issue and can't figure out what is wrong. I'm not sure how long this tiny DB has been in 'encryption_state = 2' from query: SELECT * FROM ...
1
vote
1answer
152 views

SQL Server 2005 encryption - What Grants should I give

I use Mixed mode Authentication and I want my database users (in the Public role membership) to have the ability to JUST execute procedures that encrypt/decrypt data (using Certificate and Symmteric ...
2
votes
2answers
136 views

SQL Server 2005 encrypted database works on new PC without restore keys!

Something tells me that it was not normal. Let me take it from the begining. In an SQL Server Express 2005 I needed to encrypt one column. I did the following. CREATE MASTER KEY ENCRYPTION BY ...
0
votes
2answers
124 views

Changing passphrase for EncryptByPassPhrase

I am using EncryptByPassPhrase to encrypting some columns. If I want to change the passphrase in the future, how can I change it?
3
votes
1answer
494 views

Database encryption and key management with pg_crypto

I am looking at the possibility of having to store root passwords for virtual machines in reversibly encrypted format in a database. The reason is that local logins will sometimes be required to ...
4
votes
2answers
1k views

Can I recover a TDE certificate by restoring the MASTER database?

(We are, fortunately, not currently in this situation, just planning ahead to see what our options would be if it ever occurred.) For a database encrypted with Transparent Date Encryption (TDE), a ...
2
votes
1answer
654 views

Decryption not working when SQL Server database copied to new server

I am copying a database from an old server to a new server. The database has an encrypted column. From my searches I see that I need to backup the master key from the old server and restore it in ...
3
votes
2answers
823 views

Verifying Oracle*Net network encryption

I've been struggling to implement Oracle's network encryption between two of my test boxes. I think I've finally been able to do it, but I can't seem to find a way to verify that it is indeed ...
0
votes
1answer
517 views

Stored procedure encryption and master service master key, SQL Server 2008

Is the Service Master Key (SMK) used to encrypt stored procedures in SQL Server 2008? I know it is used for data, but what about database objects? If the Service Master Key is not used, then I would ...
1
vote
1answer
790 views

How to properly secure MySQL database?

We have a web application based on the famous triad apache + php + mysql which we sell to our customers and gets installed on their servers. Currently, we are using MySQL 5.1.41 which has only a ...
2
votes
1answer
405 views

Best patterns for encrypting database columns/tables in SQL Azure

Azure SQL doesn't support many of the encryption features found in SQL Server (Table and Column encryption). We need to store some sensitive information that needs to be encrypted and we've rolled our ...
1
vote
3answers
2k views

Encrypt/Decrypt output & input for SSIS task

I use SSIS packages to output the data from one system as Comma Separated Values, and then import that same data into a second system. I have a new requirement to encrypt the CSV text files that are ...
2
votes
3answers
787 views

Encrypt MySQL database on a Linux VPS?

I'm working on a rails app for our church, which stores some fairly sensitive information about our people in a MySQL database. We have our own windows server running Hyper-V so the original ...