Techniques for performing symmetric cryptography

Techniques for performing symmetric cryptography

Techniques are described for performing decryption using a key-specific decryption engine. A message including an encrypted data portion is received. The encrypted data portion is formed by performing a symmetric encryption operation using a symmetric key. The encrypted data portion is decrypted usi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ASIPOV BORIS
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:Techniques are described for performing decryption using a key-specific decryption engine. A message including an encrypted data portion is received. The encrypted data portion is formed by performing a symmetric encryption operation using a symmetric key. The encrypted data portion is decrypted using a key-specific decryption engine which does not use the symmetric key as an input. Also described are techniques for generating the key-specific decryption engine which may be implemented using boolean functions determined for the symmetric key.