
Managers of data centers require improvements in formats of tape backup so they can keep pace with growing demand faster speed, lower cost, higher reliability and grater capacity storage. The risk of having access to large volumes of data increases with increasing recording format allows bands. The risk of data loss is especially when data must be transported to other locations. United Nations has authorized access and protection of critical information has emerged as a concern major administrators of critical data. In the case of sensitive information if the organization is lost, then you can take the loss of revenue and society also lost customers. The organization may also face regulatory sanctions.
Until now, to encrypt their valuable data, organizations must incur higher costs due to the complex integration of hardware and software encryption. Hewlett-Packard has designed a solution for organizations that can help minimize the costs of encryption. HP has integrated the technology cost-encryption effective LTO-4 Tape Format C7973W. This tape is the fourth generation of Ultrium technology.
Mechanism of encryption company category was added automation products and tape drives HP LTO4 tapes. HP LTO 4 Tape is the fourth generation of Ultrium technology. It incorporates the latest (256 bit) Advanced Encryption Standard. The encryption key manager sends encryption keys to drive LTO tape. These keys are transferred in accordance with the standards IEEE (Institute of Electrical and Electronics Engineers), AES (Advanced Encryption Standard), GCM (Galois / Counter mode of operation), then the flow of SCSI, IEEE CDC-3, SCSI commands CPS 4 primary and P1619.1TM/D13.
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Advanced Encryption Standard block cipher has been selected by a process which was considered more transparent and open to the DES (Data Encryption Standard), its predecessor. The need for encryption keys more than 56-bit led to the formation of AES. The Advanced Encryption Standard operates in the state comprising a set of bytes (4×4). Advanced Encryption Standard, for each phase has four steps. The first step is the key Add round. At this stage, the status of each byte came with the key round. Then, a key program is used for each round key encryption key. The second step is the sub-bytes. At this stage, each byte is connects with another. The change of bytes that is done according to the lookup table. The third step is called the "change of grade." In this phase State moves each row cyclically. This movement is repeated in a series of steps. And finally, the fourth step is the "Mix-Columns. At this stage, the linear transformation is produced by mixing the status column, and each column of 4 bytes are combined.
In addition, encryption software reduces server performance using the power of the server CPU. The media capacity and decrease backup performance by encryption software, the tape unit is not fully capable of compressing data that has been encrypted by the software.
To order online from HP C7973W LTO-4 tape TDK LTO3 IBM LTO-2 LTO-4 Dell, Sony LTO1 Tape, LTO3 and Dell SDLT tape cartridges for data, please visit Tape4backup dot com.
About the Author:
HP LTO 4 ultrium tape offers cost-efficient and reliable backup solutions. HP LTO4 C7974A backup tape technology is very economical that has increased capacity and provides unmatched performance.Jessica McIntosh (Marketing Manager) http://www.tape4backup.com 34972 Newark Blvd, # 501, Newark CA 94560 Tel : 888-491-4949 Fax : 888-449-5050 Email: jessica@tape4backup.com
Article Source: ArticlesBase.com – Encryption Phases Of HP LTO-4 C7973W Tape Format
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