Class   713	ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT
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1

DIGITAL DATA PROCESSING SYSTEM INITIALIZATION OR CONFIGURATION (E.G., INITIALIZING, SET UP, CONFIGURATION, OR RESETTING)

2

. (1 indent ) Loading initialization program (e.g., booting, rebooting, warm booting, remote booting, BIOS, initial program load (IPL), bootstrapping)

100

RECONFIGURATION (E.G., CHANGING SYSTEM SETTING)

150

MULTIPLE COMPUTER COMMUNICATION USING CRYPTOGRAPHY

151

. (1 indent ) Protection at a particular protocol layer

152

.. (2 indent ) Application layer security

153

. (1 indent ) Particular node (e.g., gateway, bridge, router, etc.) for directing data and applying cryptography

154

.. (2 indent ) Including filtering based on content or address

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. (1 indent ) Central trusted authority provides computer authentication

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.. (2 indent ) By certificate

157

... (3 indent ) Chain or hierarchical certificates

158

... (3 indent ) Revocation or expiration

159

.. (2 indent ) Including intelligent token

160

. (1 indent ) Packet header designating cryptographically protected data

161

.. (2 indent ) Data authentication

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. (1 indent ) Having particular address related cryptography

163

.. (2 indent ) Multicast

164

. (1 indent ) Security kernel or utility

165

.. (2 indent ) File protection

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.. (2 indent ) Security levels

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.. (2 indent ) Object protection

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. (1 indent ) Particular communication authentication technique

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.. (2 indent ) Mutual entity authentication

170

.. (2 indent ) Authentication of an entity and a message

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.. (2 indent ) Having key exchange

172

.. (2 indent ) Intelligent token

173

... (3 indent ) Pre-loaded with certificate

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... (3 indent ) Including particular multiplication or exponentiation circuit

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.. (2 indent ) By generation of certificate

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.. (2 indent ) Authentication by digital signature representation or digital watermark

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... (3 indent ) Signature tree

178

... (3 indent ) Time stamp

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... (3 indent ) Including generation of associated coded record

180

.. (2 indent ) Generating specific digital signature type (e.g., blind, shared, or undeniable)

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.. (2 indent ) Message digest travels with message

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SYSTEM ACCESS CONTROL BASED ON USER IDENTIFICATION BY CRYPTOGRAPHY

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. (1 indent ) Solely password entry (no record or token)

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. (1 indent ) PIN/password generator device

185

. (1 indent ) Using record or token

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.. (2 indent ) Biometric acquisition

187

COMPUTER PROGRAM MODIFICATION DETECTION BY CRYPTOGRAPHY

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COMPUTER VIRUS DETECTION BY CRYPTOGRAPHY

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DATA PROCESSING PROTECTION USING CRYPTOGRAPHY

190

. (1 indent ) Computer instruction/address encryption

191

. (1 indent ) Upgrade/install encryption

192

. (1 indent ) Having separate add-on board

193

. (1 indent ) By stored data protection

194

. (1 indent ) Tamper resistant

300

COMPUTER POWER CONTROL

310

. (1 indent ) By external command

320

. (1 indent ) Power conservation

321

.. (2 indent ) Programmable calculator with power saving feature

322

.. (2 indent ) By clock speed control (e.g., clock on/off)

323

.. (2 indent ) Active/idle mode processing

324

.. (2 indent ) By shutdown of only part of system

330

. (1 indent ) Power sequencing

340

. (1 indent ) Having power source monitoring

375

SYNCHRONIZATION OF PLURAL PROCESSORS

400

SYNCHRONIZATION OF CLOCK OR TIMING SIGNALS, DATA, OR PULSES

401

. (1 indent ) Using delay

500

CLOCK, PULSE, OR TIMING SIGNAL GENERATION OR ANALYSIS

501

. (1 indent ) Multiple or variable intervals or frequencies

502

. (1 indent ) Counting, scheduling, or event timing

503

. (1 indent ) Correction for skew, phase, or rate

600

CLOCK CONTROL OF DATA PROCESSING SYSTEM, COMPONENT, OR DATA TRANSMISSION

601

. (1 indent ) Inhibiting timing generator or component

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.

ELECTRIC SIGNAL MODIFICATION (E.G., SCRAMBLING) (380/9)

FOR123

. (1 indent ) Having cryptographic user or record actuated authentication (380/23)

FOR125

.. (2 indent ) Computer (380/25)

FOR400

SYNCHRONIZATION OF PLURAL PROCESSORS (709/FOR 158)

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