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Digital Signature

Digital Signature-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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System and method for a multi system trust chain
Mocana Corporation
July 12, 2018 - N°20180198764

The method provides a multi system trust chain between a client system and a remote system in a secure connection, wherein an intermediary system associated with the network flow path serves as a signing entity to establish an end to end transitive trust. The intermediate system is a corroborative entity in the operations technology (ot) realm of the client system.
Blockchain-supported, fail-safe synchronization in a data authentication infrastructure
Guardtime Ip Holdings Limited
July 12, 2018 - N°20180198626

A distributed hash tree-based authentication system for digital input records has more than one upper-level core node, each of which receives at least one uppermost value from aggregators. Communicating with each other about which aggregator values they have received, the nodes try to reach agreement as to which of these values should be included in duplicated current intra-node hash tree ...
Method and authentication system for automatic re-authentication
I.x Innovation Co., Ltd.
July 12, 2018 - N°20180198625

A method for automatic re-authentication is provided. The method includes: transmitting, by a client device, a challenge to a key device; signing, by the key device, the challenge with a digital signature generated by using a private key and transmitting the digital signature of the challenge to the service server when the key device is connected to the client device; ...
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Multiple authorization modules for secure production and verification
Inexto Sa
July 05, 2018 - N°20180191505

The invention relates to a system of obtaining authorization where there are multiple authorization modules. When an authorization is provided by a module, it is combined with a security token, digital signature or encryption identifying which module provided the authorization.
Key distribution in a distributed computing environment
Amazon Technologies, Inc.
June 28, 2018 - N°20180183774

A key distribution service operated by a signature authority distributes one-time-use cryptographic keys to one or more delegates that generate digital signatures on behalf of the signature authority. The key distribution service uses a root seed value to generate subordinate seeds.
Key revocation
Amazon Technologies, Inc.
June 28, 2018 - N°20180183771

A signature authority generates revocable one-time-use keys that are able to generate digital signatures. The signature authority generates a set of one-time-use keys, where each one-time-use key has a secret key and a public key derived from a hash of the secret key.
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Identity authentication using biometrics
Alibaba Group Holding Limited
June 28, 2018 - N°20180181739

A service request is received by a terminal device. First biometric authentication information of a user associated with the service request is collected.
Composite security marking
Merck Patent Gmbh
June 21, 2018 - N°20180174158

The present disclosure relates to the field of anti-counterfeit protection of products. Specifically, the disclosure is directed to a composite security marking for a physical object, in particular to an anti-counterfeit product marking.
Composite security marking
Merck Patent Gmbh
June 21, 2018 - N°20180174157

The present invention relates to the field of anti-counterfeit protection of products. Specifically, the invention is directed to a composite security marking for a physical object, in particular to an anti-counterfeit product marking.
Controlling access to a locked space using cryptographic keys stored on a blockchain
Wal-mart Stores, Inc.
June 14, 2018 - N°20180167394

A method for controlling access to a locked space, including generating an access code and a private key associated with the access code, hashing the access code to obtain a hashed access code, encrypting the hashed access code with a public key to create a digital signature, wherein the hashed access code and the digital signature are stored on the ...
Data loss prevention with key usage limit enforcement
Amazon Technologies, Inc.
June 14, 2018 - N°20180167220

In a distributed system, a computer system responsible, at least in part, for complying with a cryptographic key usage limit for a cryptographic key, obtains results of cryptographic operations generated based at least in part on the cryptographic key and transmits the obtained results over a network. The computer system digitally signs the results and provides the results with digital ...
System and method for microshare based content funding and distribution
June 07, 2018 - N°20180158162

A system and method for enhancing digital media by embedding property rights into media using a digital signature infrastructure, so as to enable the creation of limited edition digital memorabilia in the form of media content.. .
Asynchronous cryptogram-based authentication processes
The Toronto-dominion Bank
June 07, 2018 - N°20180158052

The disclosed embodiments include computer-implemented devices and processes that asynchronously authenticate data. For example, a network-connected device may obtain data identifying a product, and obtain cryptographic data from an executed application through a programmatic interface.
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Blockchain-supported, hash tree-based digital signature infrastructure
Guardtime Ip Holdings Limited
May 31, 2018 - N°20180152442

Transformations of digital records are used as lowest level inputs to a tree data structure having nodes computed as digital combinations of child node values up to a current calendar value. Signature vectors are generated for each of the digital records and have parameters that enable recomputation of the respective current calendar.
Technology for secure partitioning and updating of a distributed digital ledger
Intel Corporation
May 24, 2018 - N°20180145836

An automated method to verify a block record for a digital ledger involves a first validation node (fvn) which receives a block record from a second validation node (svn). The block record comprises a digital signature for the block record.
Providing a security process for wireless devices
May 24, 2018 - N°20180145834

The present invention is a computer-implemented method for providing a security process for wireless devices. The method includes receiving a beacon frame at a beacon receiver.
Challenge-response access control using context-based proof
Guardtime Ip Holdings Limited
May 24, 2018 - N°20180144564

Access by a requesting entity to an asset is authorized by an access-controlling entity, which transmits to the requesting entity a challenge data set and then receives from the requesting entity a response purportedly corresponding to a representation of the challenge data set in a non-repudiatable form, obtained from an event validation system. The access-controlling entity queries the event validation ...
Secure real-time transactions
Early Warning Services, Llc
May 24, 2018 - N°20180144326

A method including receiving, at a transaction system from a first entity, a request including a merchant public identifier associated with a merchant. The transaction system can be in data communication with a first financial institution that maintains a first account of a consumer and a second financial institution that maintains a second account of the merchant.
Secure real-time transactions
Early Warning Services, Llc
May 24, 2018 - N°20180144325

A method including receiving, at a mobile device being used by a consumer, a transaction code from a point-of-sale terminal at a store of a merchant. The transaction code can include a merchant public identifier being associated with the merchant, a payment amount for one or more items to be purchased from the merchant by the consumer in a transaction, ...
Method and apparatus for distributing software
At&t Intellectual Property I, L.p.
May 24, 2018 - N°20180143819

Aspects of the subject disclosure may include, for example, a first network device receiving from a second network device a software, the first network device adjusting operations at the first network device according to the software, the first network device providing a digital signature to the software to generate an adjusted software where the digital signature indicates that the first ...
Remote document execution and network transfer using augmented reality display devices
Bank Of America Corporation
May 17, 2018 - N°20180139204

An augmented reality user device includes a display, a physical identification verification engine, a gesture confirmation engine, and in interface. The display overlays a virtual file document onto a tangible object.
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