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encryption
(redirected from ciphertext)

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
encryption
The manipulation of data to prevent accurate interpretation by all but those for whom the data is intended. Financial institutions use encryption to increase the security of data transmitted via the Internet.


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128 bit key length or longer) is utilized to convert clear data (plain text) into an unreadable form called ciphertext, which cannot be deciphered without the decryption key.
Improving data security by protecting tape-based storage by Computer Technology Review
For decryption, the ciphertext is the data block to be processed.
Report on the Development of the Advanced Encryption Standard (AES) by Roback, Edward / Journal of Research of the National Institute of Standards and Technology
The attacks are particularly alarming because they often require only known ciphertext, work even if timing measurements are somewhat inaccurate, are computationally easy, and are difficult to detect," Kocher says.
Timing attack beats cryptographic keys by Peterson, Ivars / Science News
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