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Data storing method, data playback method, data recording...

Cryptography – Key management
Reexamination Certificate

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Data transfer method

Cryptography – Video cryptography – Copy protection or prevention
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Data transfer method, communication system and storage medium

Cryptography – Communication system using cryptography – Pseudo-random sequence scrambling
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Data transfer system

Cryptography – Communication system using cryptography – Pseudo-random sequence scrambling
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Data transfer system, data transfer apparatus, data...

Cryptography – Communication system using cryptography – Having compression
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Data transfer verification based on unique ID codes

Cryptography – Cellular telephone cryptographic authentication
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Data transformation apparatus and data transformation method

Cryptography – Communication system using cryptography – Time segment interchange
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Data transformation apparatus and data transformation method

Cryptography – Communication system using cryptography – Time segment interchange
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Data transmission and receiving apparatus for digital...

Cryptography – Video cryptography – Video electric signal modification
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Data transmission and reception method and data transmission...

Cryptography – Video cryptography – Video electric signal modification
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Data transmission apparatus and method, data receiving...

Cryptography – Key management – Key distribution
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Data transmission apparatus, data receiving apparatus and...

Cryptography – Communication system using cryptography – Data stream/substitution enciphering
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Data transmission apparatus, data transmission method, and...

Cryptography – Video cryptography – Copy protection or prevention
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Data transmission installation of the radio network type, and co

Cryptography – Key management – Having particular key generator
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Data transmission method between a broadcasting center and a...

Cryptography – Communication system using cryptography – Symmetric key cryptography
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Data transmission method, data receiving method, data...

Cryptography – Video cryptography – Copy protection or prevention
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Data transmission method, user equipment and GPRS/EDGE radio...

Cryptography – Communication system using cryptography – Wireless communication
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Data transmission protocol method and apparatus

Cryptography – Cryptanalysis
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Data transmission security arrangement for a plurality of data s

Cryptography – Cryptanalysis
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Data transmission system

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
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