Access control processing method

Electronic settlement system, settlement management device, store device, client device, data storage device, computer program, and storage medium

Method and apparatus to encrypt video data streams

System and method for providing access to data using customer profiles

Microprocessor, a node terminal, a computer system and a program execution proving method

Secure authenticated channel

System and method for secure and convenient handling of cryptographic binding state information

Protection of digital content using block cipher crytography

DIGITAL SIGNATURE SOFTWARE USING EPHEMERAL PRIVATE KEY AND SYSTEM

Facilitating digital signature based on ephemeral private key

Apparatus for reproducing data, method thereof and recording medium

Authentication method, encryption method, decryption method, cryptographic system and recording medium

Key management method for home network and home network device and system using the same

System and method of transmission of generalized scalable bit-streams

Software for providing based on shared knowledge public keys having same private key

DIGITAL SIGNATURE SYSTEM BASED ON SHARED KNOWLEDGE

Verifying digital signature based on shared knowledge

Information recording medium, data processing method, and computer program

System and method for providing access to video programs and other data using customer profiles

Key information processing method, device thereof, and program

Method and apparatus for providing a secure move of a decrpytion content key

Conditional access system providing access to multiple programs or services

Apparatus and method of generating and detecting prevention and control data for verifying validity of data

Encrypted content data structure package and generation thereof

Method for generating data for detection of tampering, and method and apparatus for detection of tampering

Use of variant and base keys with two entities

System and method for graphical indicia for the certification of records

Method for transmitting digital data in a local network

Method of revoking public key of content provider

Method for transmitting content in home network using user-binding

Method and device of data encryption

Protection of electronic data

Systems, methods, and media for adding an additional level of indirection to title key encryption

Method and system for securing content in media systems

Access control to files based on source information

Document authentication combining digital signature verification and visual comparison

Method and apparatus for conditionally obfuscating bus communications

Apparatus for capturing information as a file and enhancing the file with embedded information

Cipher mail server device

Content usage management system method, and program providing medium therefor

Portable personal mass storage medium and information system with secure access to a user space via a network

Method of receiving session key in home network and method of reproducing content using the same

Stateless methods for resource hiding and access control support based on URI encryption

Securing location of an installed middleware application and securing location of containers contained within installed middleware application

Method and system for conveying alternate acceptable canonicalizations of a digitally signed piece of electronic mail

Key management system

Document management apparatus and document management method, and storage medium storing program

Super-distribution of protected digital content

Method, system and computerized medium for making secure message transmission

Methods for efficiently authenticating multiple objects based on access patterns

Selective video encryption method and apparatus

Off-loading data re-encryption in encrypted data management systems

Method and apparatus for intercepting events in a communication system

Systems and methods for multiple level control of access of privileges to protected media content

Method for authenticating electronic documents

Cfm mode system

Detecting compromised ballots

Information processing apparatus and information processing method

System and method for providing a secure intellectual property marketplace

Information recording medium, information processing device, information processing method, and computer program

System and method for regulating access to objects in a content repository

System and method for distributing trusted time

Dispersed data storage using cryptographic scrambling

Floating vector scrambling methods and apparatus

Devices and methods for implementing cryptographic scrambling

Systems and methods for enhanced electronic asset protection

System and method for enhanced network client security

Systems and methods for enhanced network access

System and method for establishing an authenticated timestamp and content certification

Long-term authenticity proof of electronic documents

System for personal group management based on subscriber certificates

Apparatus and method for storing data

Systems and methods for monitoring and displaying performance metrics

Method and apparatus for providing secured content distribution

Communication unit and communication method

System and method for managing expiration date for use of contents in removable media

Absorptive coating on a disc to create a reflective modulation for encryption

Systems and methods for mutual authentication of network nodes

Media on demand via peering

Encryption/decryption management method in computer system having storage hierarchy

System and method for policy enforcement and token state monitoring

Storage medium access control method

Method and system for recovering the validity of cryptographically signed digital data

Transmitter device, transmitting method, receiver device, receiving method, communication system, and program storage medium

Interface method and device for the on-line exchange of content data in a secure manner

Method and system for managing authentication and payment for use of broadcast material

System and method for policy enforcement in structured electronic messages

Method and apparatus for generating a decrpytion content key

Method and apparatus for simplifying the deployment and serviceability of commercial software environments

Method and system for expeditious processing of guaranteed signature documents and the like

Session control server, communication system

Technique for securely communicating programming content

Methods and systems for dynamic updates of digital certificates via subscription

Method and apparatus for providing channel key data

Encryption instruction processing apparatus

High security media encryption

System and method for authenticating/registering network device in power line communication (PLC)

Enhanced cookie management

Storage device content authentication

Digital media distribution

Method and system for performing perfectly secure key exchange and authenticated messaging

Method for receiving a time slice burst of data

System and method for reduced hierarchy key management

Application specific connection module

Image forming apparatus and electronizing method for information mentioned in paper

Human input security codes

Technique for securely communicating and storing programming material in a trusted domain

Certificate transmission apparatus, communication system, certificate transmission method, and computer-executable program product and computer-readable recording medium thereof

Method for transmission/reception of contents usage right information in encrypted form, and device thereof

Apparatus for partial authentication of messages

Apparatus for partial authentication of messages

System and method for authorizing the use of stored information in an operating system

Information providing apparatus and method, information processing apparatus and method, and program storage medium

Information processing method and information processing apparatus

System for dynamically encrypting information for secure internet commerce and providing embedded fulfillment software

Method and apparatus for delivering keys

Record management of secured email

Methods and systems for utilizing a single cryptographic integrity check to generate multiple cryptographic integrity check values for components of transcodable content

Key management system and playback apparatus

Apparatus and/or method for encryption and/or decryption for multimedia data

System and method of trusted publishing

Secure method of consulting article delivery receipts

Scalable streaming media authentication

Method and system for certification path processing

Methods and systems of protecting digital content

Key management system and playback apparatus

Electronic encryption system for mobile data (EESMD)

Method and system for secure distribution of content over a communications network

System and method for authenticating entities to users

Secure electronic file delivery system

Pervasive, user-centric network security enabled by dynamic datagram switch and an on-demand authentication and encryption scheme through mobile intelligent data carriers

System for authentication between devices using group certificates

Adaptive data transformation engine

Distributed management of a certificate revocation list

System and method for searching secure electronic messages

Secure domain join for computing devices

Establishing computing trust with a staging area

Filters to isolate untrusted ports of switches

Secure digital content reproduction using biometrically derived hybrid encryption techniques

Mobile terminal and data protection system

System and method for identity confirmation of a contact published on a network

Trusted and secure techniques, systems and methods for item delivery and execution

Isolated persistent identity storage for authentication of computing devies

Method for permanent decryption of selected sections of an encrypted document

Management of signing privileges for a cryptographic signing service

Information recording medium drive device

Trusted and secure techniques, systems and methods for item delivery and execution

Method for securing a ciphered content transmitted by a broadcaster

Method for selective encryption within documents

Digital signature assurance system, method, program and apparatus

Content distribution system, content distribution method, information processing apparatus, and program providing medium

Detecting public network attacks using signatures and fast content analysis

Proactive forced renewal of content protection implementations

Data communication system control method, data communication system, and information processing apparatus

Information processing system and method

Security information packaging system, LSI, and security information packaging method

Universal game download system for legacy gaming machines

Method for authentication between devices

Method of encrypting digital items delivery through a communication network

System and method for secure authentication of external software modules provided by third parties

Shared cryptographic key in networks with an embedded agent

Encoding and recording apparatus, playback apparatus, and program

Information processing system, information processing apparatus and method, program, and recording medium

Content distribution system, content distribution method, information processing apparatus, and program providing medium

Methods and systems for effecting transmitter and receiver synchronization between a transmitter and a receiver of a transmitter/receiver network

Digital media distribution cryptography using media ticket smart cards

Systems and methods for compression of key sets having multiple keys

Method, apparatus and article for off-line certification in mobile applications

Apparatus and method for employing cryptographic functions to generate a message digest

Access control for federated identities

Method of nullifying digital certificate, apparatus for nullifying digital certificate, and system, program, and recoring medium for nullifying digital certificate

Trusted and secure techniques, systems and methods for item delivery and execution

Digital data authentication method

Method and apparatus for trusted branded email

Method and system for document transmission

Method and system for document transmission

Access control for digital content

Apparatus and method for distributing private keys to an entity with minimal secret, unique information

Document transporter

Method and system for a consumer upgradeable decoder

Method and system for controlling encoded image production using image signatures

Key management for content protection

Method and system for managing identities in a peer-to-peer networking environment

Authentication method of data processing apparatus with recording device and apparatus for the same

Message conversion method and message conversion system

Content distribution service providing system and content distribution device and user terminal device thereof

Method and apparatus for detection of loss of cipher synchronization

Encryption to BCC recipients with S/MIME

System and method for providing trusted time in content of digital data files

Method and apparatus for data communications in a network system

System, method and computer program product for guaranteeing electronic transactions

Method for secure key exchange

Key management for content protection

Method to support XML-based security and key management services in a pre-boot execution environment

System and method for high speed reversible data encryption

Content receiving/storing apparatus and content delivery system

Recording system and method, recording device and method, input device and method, reproduction system and method, reproduction device and method, recording medium, and program

Method and apparatus for providing authenticated challenges for broadcast-multicast communications in a communication system

Session key distribution methods using a hierarchy of key servers

Protecting a device against unintended use in a secure environment

Information processing apparatus

Communication apparatus and communication system

Home network system and method therefor

Data terminal managing ciphered content data and license acquired by software

Apparatus, System, and Method for Electronically Signing Electronic Transcripts

System and method for building home domain using smart card which contains information of home network member device

Method to minimize software piracy and enhance security in processes related with many industries

Secure digital content trading systems and methods

Systems and methods for compression of key sets having multiple keys

Federated identity management within a distributed portal server

Contents use frequency limiting method, contents using terminal apparatus, contents using system, computer program and computer readable memory medium

Message security

Certificate revocation notification systems

Streaming system and streaming method

Systems and methods for protecting data secrecy and integrity

Electronic message authentication

Secure multimedia transfer system

On-disk file format for a serverless distributed file system

Information processing apparatus, information recording medium, information processing method and computer program

Information processing system and method, information processing device and method, recording medium, and program

Image processing system and method for processing image data using the system

Obfuscated state store for rights management system and the like

Data storage and/or retrieval

On-disk file format for a serverless distributed file system

On-disk file format for a serverless distributed file system

On-disk file format for a serverless distributed file system

Extraction of multiple single keys from a compressed key

Key generation

Offline access in a document control system

Key compression

Original data circulation method, system, apparatus, and computer readable medium

Method for selective encryption within documents

Data converter and method thereof

Apparatus and method for secure hash algorithm

System and method for securely removing content or a device from a content-protected home network

Method of authenticating device using certificate, and digital content processing device for performing device authentication using the same

Identification information embedding apparatus, analysis apparatus, embedding method, analysis method and program

System and method for providing services

Methods of generating a verifiable audit record and performing an audit

Method for creating and verifying simple object access protocol message in web service security using signature encryption

Method and device for data protection

Quantum cryptography communication system and quantum cryptography key distributing method used in the same

Client apparatus and content processing method in client apparatus, and content provision system

Computing device that securely runs authorized software

Electronic signature management method

Method and system for content downloads via an insecure communications channel to devices

Method of creating domain based on public key cryptography

Information recording apparatus, information recording method, and digital broadcast receiver

Method and system for securing digital assets using process-driven security policies

Permutation of opcode values for application program obfuscation

Segmented, encrypted PDL for post-rendering analysis

Multiple instruction dispatch tables for application program obfuscation

Secure message system with remote decryption service

Application program obfuscation

Rendering and encryption engine for application program obfuscation

Controlling cooperation between objects in a distributed software environment

Controlled-content recoverable blinded certificates

Controlled-content recoverable blinded certificates

Encrypted content data structure package and generation thereof

User access to a unique data subset of a database

Data signal with a database and a compressed key

Structured document signature device, structured document adaptation device and structured document verification device

Trusted infrastructure support systems, methods and techniques for secure electronic commerce, electronic transactions, commerce process control and automation, distributed computing, and rights management

Systems and methods for protecting data secrecy and integrity

Personal authentication system and portable unit and storage medium used therefor

Multimedia output device having embedded encryption functionality

Service providing system and authentication system, as well as signature generating apparatus, service utilizing apparatus and verification apparatus

Individual video encryption system and method

Custom security tokens

Security containers for document components

Method and system for authenticating a message sender using domain keys

Contents recording method, recording medium and contents recording device

Method and apparatus for reducing optical emissions in an integrated circuit

Information transmission apparatus and method, information reception apparatus and method, and information-providing system

Decoy device in an integrated circuit

Architecture for an electronic shopping service integratable with a software application

Transmitting device, receiving device and transmitting/receiving system

Secure transmission of data within a distributed computer system

Personal authentication device and system and method thereof

Cryptographic key update management method and apparatus

System and method for securely transmitting, and improving the transmission of, tag based protocol files containing proprietary information

Contents processing system

Security of data over a network

Method and apparatus for playing content

Data access processing method for industrial internet cloud service platform

Localization control for non-fungible tokens (NFTs) via transfer by containerized data structures

System and method for structure authentication using NFTS

Format transformation of non-fungible token (NFT) via transfer by containerized data structures

Apparatus and methods for minting non-fungible tokens (NFTS) from user-specific products and data

Digital lock and key system using non-fungible digital tokens and methods thereof

System and method for authenticity service

Implementing non-fungible tokens using bitcoin

Methods and systems for processing an ephemeral content message

Mathematical method for performing homomorphic operations

Pixel streamed NFT-based living artwork and queue-based live event viewing

Time-based digital signature

Controlling access to encrypted data

System and method for authenticating media using barcodes and hash values

Methods and systems for processing an ephemeral con tent message

Methods and systems for generating an ephemeral content message