ENCRYPTION DEVICE AND METHOD DECRYPTION DEVICE AND METHOD AND DATA PROCESSING METHOD

Abstract

FIELD: radio communications; data encryption decryption and processing. ^ SUBSTANCE: interface-encrypted data are transferred with aid of digital video disk reproducing facility to personal computer and to magnetooptic disk unit through bus. Data received in magnetooptic disk unit where change of function is not open to user are decrypted by interface. In personal computer where change in function is open to user. Encrypted data are decrypted by means of interface using time-variable key and result of decryption is additionally decrypted by means of application program slot using session key. ^ EFFECT: enhanced reliability of data protection. ^ 37 cl 24 dwg

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4G,3G,2G	22/04/2014	ISLD-201404-004	SONY CORP	S1 TS Number: TS 133 401 v9.3.1 Version No: v9.3.1 Illustrative part: ---- Release: 9 S2 TS Number: TS 133 401 v9.3.0 Version No: v9.3.0 Illustrative part: ---- Release: 9 +1 -1				No	Family Member

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Publication No	Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
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