Fast encryption and authentication for data processing systems
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United States of America Patent
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Aug 7, 2007
Grant Date -
Jan 29, 2004
app pub date -
Jul 24, 2002
filing date -
Jul 24, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and apparatus are presented for partially encrypting a data transmission, yet providing authentication for all of the data transmission. Plaintext blocks are combined with noise blocks and then either encrypted or decrypted to form ciphertext blocks and authentication blocks. The authentication blocks are used to determine a checksum that is then used to determine an authentication tag.
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