how to print barcode in crystal report using vb net Transparent Data Encryption in Font

Drawing Quick Response Code in Font Transparent Data Encryption

Transparent Data Encryption
Create QR In None
Using Barcode creation for Font Control to generate, create QR Code image in Font applications.
www.OnBarcode.com
Drawing Code 128B In None
Using Barcode generator for Font Control to generate, create Code 128A image in Font applications.
www.OnBarcode.com
Even with all kinds of access-control mechanisms in place, you may ultimately come to the realization that your data is physically stored on a disk drive or tape somewhere, making it vulnerable to unauthorized access. You often come across situations where certain key column values in a table need to be encrypted to provide security. In Oracle Database 10.2, you can use the transparent data encryption feature to encrypt a column. Transparent data encryption means that the database will
Encode GTIN - 12 In None
Using Barcode maker for Font Control to generate, create GTIN - 12 image in Font applications.
www.OnBarcode.com
GS1-128 Generator In None
Using Barcode maker for Font Control to generate, create UCC.EAN - 128 image in Font applications.
www.OnBarcode.com
CHAPTER 11 USER MANAGEMENT AND DATABASE SECURITY
Barcode Creator In None
Using Barcode creation for Font Control to generate, create Barcode image in Font applications.
www.OnBarcode.com
Printing EAN13 In None
Using Barcode generator for Font Control to generate, create GS1 - 13 image in Font applications.
www.OnBarcode.com
handle encryption and decryption automatically, without the user or the application having to manage the encryption key. This means the application no longer needs to handle the cumbersome process of managing the encryption key. For example, when you create a table, you can simply specify the ENCRYPT keyword along with the column name, as shown in the following example. This statement creates a table that converts the ssn column values into an encrypted data format when they are stored on disk: SQL> CREATE TABLE employees ( empno NUMBER(5) PRIMARY KEY ename VARCHAR2(15) NOT NULL, ssn NUMBER(9) ENCRYPT, . . . The ENCRYPT keyword in the preceding example specifies that the ssn (social security number) be encrypted. Once you do this, even if unauthorized users gain access to the data on your storage devices, they can t read the data, since it s encrypted. When authorized users access data, however, the encrypted data is automatically decrypted, and the decryption process is transparent to the user. An Oracle wallet is used to store authentication and signing credentials, including private keys and certificates. Before you can start encrypting or decrypting a table, the encryption key is retrieved from the Oracle wallet and stored in the SGA.
Barcode Creator In None
Using Barcode creation for Font Control to generate, create Barcode image in Font applications.
www.OnBarcode.com
Printing ISSN - 10 In None
Using Barcode encoder for Font Control to generate, create ISSN - 10 image in Font applications.
www.OnBarcode.com
Note
Quick Response Code Creation In Java
Using Barcode creation for Java Control to generate, create QR Code image in Java applications.
www.OnBarcode.com
QR Code JIS X 0510 Generator In None
Using Barcode generation for Font Control to generate, create QR Code image in Font applications.
www.OnBarcode.com
In addition to regular database tables, you can also encrypt external tables using the transparent data encryption feature.
PDF-417 2d Barcode Creator In VB.NET
Using Barcode creator for .NET Control to generate, create PDF-417 2d barcode image in Visual Studio .NET applications.
www.OnBarcode.com
GTIN - 128 Encoder In None
Using Barcode creator for Word Control to generate, create EAN128 image in Word applications.
www.OnBarcode.com
In the following sections, I provide a brief introduction to this new Oracle feature, which lets you encrypt one or more of a table s columns when you create the table, or even later on. Here are the steps you need to follow in order to use the transparent data encryption feature: 1. Create an Oracle wallet. 2. Open the Oracle wallet. 3. Generate the master encryption key that will be used to encrypt the column s encryption key. 4. Specify exactly how you want the encrypted column to be encrypted.
Decode PDF 417 In Java
Using Barcode reader for Java Control to read, scan read, scan image in Java applications.
www.OnBarcode.com
Data Matrix Maker In .NET Framework
Using Barcode generator for .NET framework Control to generate, create Data Matrix image in .NET applications.
www.OnBarcode.com
Note
Drawing Barcode In VS .NET
Using Barcode generator for Reporting Service Control to generate, create Barcode image in Reporting Service applications.
www.OnBarcode.com
Making Code 39 Full ASCII In Visual Studio .NET
Using Barcode printer for VS .NET Control to generate, create Code 39 Extended image in .NET applications.
www.OnBarcode.com
Data decryption is automatic when an authorized user accesses an encrypted column. You don t need to create any views to decrypt the data. As with encryption, the database will load the master and the data encryption keys into the SGA from the Oracle wallet prior to decrypting data.
Create USS Code 128 In Java
Using Barcode generation for Android Control to generate, create Code 128 Code Set A image in Android applications.
www.OnBarcode.com
Matrix 2D Barcode Generator In Visual Basic .NET
Using Barcode generation for Visual Studio .NET Control to generate, create 2D image in .NET applications.
www.OnBarcode.com
Creating the Oracle Wallet
Decode ANSI/AIM Code 128 In None
Using Barcode reader for Software Control to read, scan read, scan image in Software applications.
www.OnBarcode.com
Barcode Creation In .NET Framework
Using Barcode creation for Visual Studio .NET Control to generate, create Barcode image in Visual Studio .NET applications.
www.OnBarcode.com
You create the Oracle wallet using the Oracle Wallet Manager. Follow these steps: 1. Start up the Oracle Wallet Manager by typing owm at the operating system prompt in a UNIX/Linux system. On a Windows server select Start Programs Oracle Configuration and Management Tools Integration Management Tools Oracle Wallet Manager. Figure 11-1 shows the opening window of the Oracle Wallet Manager.
CHAPTER 11 USER MANAGEMENT AND DATABASE SECURITY
Figure 11-1. The Oracle Wallet Manager 2. At the top left of the Oracle Wallet Manager window, click the Wallet menu and choose the New option. If you don t already have a default directory enabled to create the wallet in, the Oracle Wallet Manager will ask if you want to create one. You can choose to create the Oracle wallet in the default directory, or choose any other directory you wish. 3. A box will open in which you can enter a password for wallet management. This is the same password that you ll use later in SQL*Plus to open the Oracle wallet and to create and alter the master encryption key. You can also select the wallet type; to keep things simple for now, just choose the default wallet type, which is STANDARD. Click OK. 4. A new empty Oracle wallet is created and you re asked if you wish to create a certificate at this time. Click No. Figure 11-2 shows that your Oracle wallet is created, without any certificates. You can add Trusted Certificates later on, if you wish. For our examples, you won t need them. The encryption keys are stored in the Oracle wallet, whose location is specified in the sqlnet.ora configuration file. Once you successfully create your new Oracle wallet, go the $ORACLE_HOME/ network/admin directory and add the following line to the sqlnet.ora file (making sure it points to the directory you chose previously): ENCRYPTION_WALLET_LOCATION = '/etc/oracle/wallet/oracle' Now you re ready to use your Oracle wallet to encrypt your table columns.
Copyright © OnBarcode.com . All rights reserved.