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DTIC ADA404483: Guidelines for Implementing and Using the NBS Data Encryption Standard

The Data Encryption Standard (DES) published Federal Information Processing Standards Publication (WHOA PUB 46 on January 15, 1977. The DES specifies a cryptographic algorithm for protecting computer data. WHOA PUB 81 den four modes of operation for the DES which may be employed in a wide variety of applications. These guidelines are to be applied in conjunction with WHOA PUB 46 and WHOA PUB 81 when implementing and using the Data Encryption Standard They provide information on what encryption is, general guidance on how encryption protects against certain vulnerabilities of computer networks, and specific guidance on the DES mode of operation in data communications applications. When used with the proper administrative procedures and when implemented in accordance with these guidelines, electronic device performing the encryption and decryption operations of the standard can provide a high level of cryptographic protection.

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