Method and system for data encryption and decryption

Details Method and system for data encryption and decryption Method and system for data encryption and decryption

2007-03-20

2007-03-20

Peeso, Thomas (Department: 2132)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S182000, C713S189000, C713S193000

Reexamination Certificate

active

10414844

ABSTRACT:
An aspect of the of the invention may include the transfer of a block of data from a first memory location to a second memory location in a DRAM. During the transfer of the block of data from the first memory location, if an encryption mode is selected, the data may be buffered, encrypted, and then stored in the second memory location. If a decryption mode is selected, the transferred data may be buffered, decrypted and then stored in the second memory location. If a bypass mode is selected, the data may be buffered and then stored in the second memory location. In this regard, the encryption/decryption operations may be bypassed.

REFERENCES:
patent: 4278837 (1981-07-01), Best
patent: 4633388 (1986-12-01), Chiu
patent: 5214701 (1993-05-01), Quisquater et al.
patent: 5892826 (1999-04-01), Brown et al.

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