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A typical relational database is divided into tables that are divided into columns that each have rows of data. [10] Whilst TDE usually encrypts an entire database, column-level encryption allows for individual columns within a database to be encrypted. [11]
ZODB stores Python objects using an extended version of Python's built-in object persistence (pickle). A ZODB database has a single root object (normally a dictionary), which is the only object directly made accessible by the database. All other objects stored in the database are reached through the root object.
Salting helps defend against attacks that use precomputed tables (e.g. rainbow tables), by vastly growing the size of table needed for a successful attack. [2] [3] [4] It also helps protect passwords that occur multiple times in a database, as a new salt is used for each password instance. [5] Additionally, salting does not place any burden on ...
All data in a well designed database is directly or indirectly related to a limited set of master database tables by a network of foreign key constraints. Each foreign key constraint is dependent upon a unique database index from the parent database table. Therefore, when the proper master database table is recast with a different unique index ...
A set of subroutine definitions, communication protocols, and tools for building software. In general terms, it is a set of clearly defined methods of communication among various components. A good API makes it easier to develop a computer program by providing all the building blocks, which are then put together by the programmer. application ...
It starts off with subkeys in a standard state, then uses this state to perform a block encryption using part of the key, and uses the result of that encryption (which is more accurate at hashing) to replace some of the subkeys. Then it uses this modified state to encrypt another part of the key, and uses the result to replace more of the subkeys.
Column level encryption is a type of database encryption method that allows user to select specific information or attributes to be encrypted instead of encrypting the entire database file. To understand why column level encryption is different from other encryption methods like file level encryption , disk encryption , and database encryption ...
Pre-shared key – Method to set encryption keys; Secure cryptoprocessor; Strong cryptography – Term applied to cryptographic systems that are highly resistant to cryptanalysis; Syllabical and Steganographical Table – Eighteenth-century work believed to be the first cryptography chart – first cryptography chart