Wells Fargo Bank, N.a.

Jeffrey J Stapleton

Phillip H Griffin

Peter Bordow

Robert L Carter, Jr

Pierre Arbajian

Bradford A Shea

Michael Erik Meinholz

Abhijit Rao

Ravi K Maganti

M Erik Meinholz

David V Duccini

Luis Antonio Suarez

Brian L Keltner

Ronnie F McGinnis, Jr

Richard Orlando Toohey

Pierre Arbadjian

Example implementations include a method for using tokens between two entities including a client device and a server, by generating, by a first one-way function of the client device, a first intermediate value from a transaction count corresponding to a number of transactions involving an original data, the first intermediate value being unique to a first verification transaction at a server, generating, by a second one-way function of the client device, a second intermediate value from the first intermediate value, the second intermediate value being unique to a second verification transaction at the server, sending, by the client device, a first token based on the first intermediate value to the server to execute the first verification transaction, and sending, by the client device, a second token based on the second intermediate value to the server to execute the second verification transaction.

Derived unique token per transaction

The present disclosure is directed to systems, methods, and non-transitory computer-readable media for generating a first signature on a first certificate of the plurality of certificates using a first digital signature generation algorithm based on a first private key. The first signature is validated by a relying party device using a first public key in certificate chain validation. The first public key and the first private key form a first public/private key pair. A second signature is generated on a second certificate of the plurality of certificates using a second digital signature generation algorithm based on a second private key. The second signature is validated by the relying party device using a second public key in the certificate chain validation. The second public key and the second private key form a second public/private key pair. The relying party device uses a third public key in the second certificate to verify a third signature on signed data. The relying party device includes a classical computer having at least one processor that processes bits.

Public key infrastructure using quantum computers (PKIQC)

The present disclosure is directed to systems, methods, and non-transitory computer-readable media including receiving, by a Time Stamp Authority (TSA) computing system from a requestor computing system, hashed data corresponding to original data, generating, by the TSA, a Time Stamp Token (TST) for the hashed data, publishing, by the TSA, the TST to a blockchain, and sending, by the TSA to the requestor computing system, the TST.

Time stamp token (TST) blockchains

Systems, methods, and apparatuses of creating a repair token for a distributed ledger are provided. A method includes identifying an error in the distributed ledger via a computing system. The error is associated with a first block on the distributed ledger. The method further includes creating the repair token having content of the first block and a correction to the error via the computing system.

Systems and methods for blockchain repair assurance tokens

The arrangements of the present disclosure relate to systems, apparatuses, methods, and non-transitory computer-readable media for authenticating a participant associated with a first device by a second device, including generating, by the second device, a random number, determining, by the second device, a first Random Identifier (RID) using an ID of the first participant associated with the first device, the random number, and a key, sending, by the second device to the first device, the random number in response to a request received by the second device from the first device, receiving, by the second device from the first device, a second RID, and at least one of identifying or authenticating, by the second device, the first participant using the second RID for the request.

Cryptographic random identification (CRID) for authentication and indentification of users

The arrangements disclosed herein relate to systems, apparatus, methods, and non-transitory computer readable media for determining to erase a plurality of ciphertext blocks stored in a memory device, in response to determining to erase the plurality of ciphertext blocks, performing a cryptographic erasure of the plurality of ciphertext blocks. The cryptographic erasure includes encrypting each of the plurality of ciphertext blocks with a random key and destroying the random key in response to encrypting each of the plurality of ciphertext blocks.

Practical itemized encryption for cryptographic erasure (PIECE)

Systems and methods for protecting user data received by, stored on, and/or requested by third-party computing devices include a data entry computing system on a first network node. A data entry computing system can include a processing circuit that can identify user-entered data as sensitive user data, generate a content encryption key (CEK), generate encrypted user data by encrypting the sensitive user data with the CEK, tag the encrypted user data and the CEK with a tag readable by a database server on a network node different than the data entry computing system, the tag comprising information indicative of the encrypted user data, and transmit the encrypted user data to the database server, wherein the database server excludes a private key of a key manager on a network node different than the data entry computing system.

Systems and methods for third party data protection

A method, system, and apparatus for managing digital certificates, managing a certificate authority (CA), and cross-referencing CA hierarchies. The method includes receiving, by a processor of a CA computing system, at least one of a digital certificate generation request and a digital certificate revocation from a user via a user computing device, the digital certificate generation request including a user public key and a user identity. The method further includes generating a digital certificate for the user and signing the digital certificate with a CA private key, wherein the CA private key is associated with a known CA public key. The method further includes publishing the digital certificate signed with the CA private key to a digital certificate blockchain, determining a certificate status of the digital certificate, and publishing an update to the digital certificate blockchain to reflect the certificate status of the digital certificate.

Systems and methods for notary agent for public key infrastructure names

A biometric electronic signature authenticated key exchange ('BESAKE') token processing system. The system includes a storage location having a plurality of biometric reference templates. The system further includes an authentication computing system having a processor and instructions. The instructions configured to cause the authentication computing system to receive a signing party identifier and the BESAKE token from a signing party. The BESAKE token having a biometric sample encrypted using an encryption key. The instructions further configured to generate a decryption key and decrypt the encrypted biometric sample from the BESAKE token. The instructions further configured to match the biometric sample with a biometric reference template and transmit to a biometric service provider computing system a match request. The instructions further configured to determine a signing party identity via a binary match value. The binary match value relating to a result of matching the biometric sample with the biometric reference template.

Biometric electronic signature authenticated key exchange token

The methods and system allow for the generation of a signcrypted biometric electronic signature token using a subsequent biometric sample after an enrollment of a biometric reference value in a biometric system. The signcrypted biometric electronic signature token involves simultaneous encryption and digital signature to protect the confidentiality. The system as described herein provides data integrity, origin authentication, and efficiency by performing encryption and digital signature simultaneously. The process allows a signcrypting party to enroll in a biometric service, sign a piece of data or content using a public key, that may be tied to a trusted anchor certificate authority, and submit a biometric sample. Subsequently, the relying party may validate the information on that piece of data or content to confirm the identity of the signcrypting party.

Signcrypted biometric electronic signature tokens

In a system, computer-readable media and methods for secure ledger assurance tokenization (SLAT), a block content of a first blockchain is audited, which includes accessing, by a request circuit of a SLAT computing system, a retrievably stored cross-reference content and generating an audit result. Generating an audit result includes evaluating, by a SLAT circuit of the SLAT computing system, the cross-reference content such that the audit result is informed at least by the cross-reference content. The audit result is included in a secure ledger assurance token generated by a SLAT generation circuit of the SLAT computing system and stored relationally to the block content of the first blockchain.

Secure ledger assurance tokenization

A method includes receiving an event, the event associated with a digital signature in a first time-based message comprising a first trusted time stamp token generated using a first hash of digitally signed content from a trusted timing authority; generating a first block on a distributed ledger; generating a second hash of the first trusted time stamp token; receiving a second trusted time stamp token from the trusted timing authority in response to transmitting the second hash to the trusted timing authority; and generating a second block on the distributed ledger; wherein verification of data integrity of the digitally signed content is provided via the first hash of the digitally signed content and second hash of the first trusted time stamp token and via the hash of the first block and a hash of the second block.

Time-based digital signature

A system and method for establishing secure communications based on combined capabilities of classical and quantum computers. A system can perform encrypting, responsive to a request for client data associated with a client device, the client data using a cryptographic key to generate an encrypted data packet, transmitting the encrypted data packet to a second classical computer simulating a quantum computer operation, the encrypted data packet causing the second classical computer to begin a decryption process on the encrypted data packet to recover a decrypted data packet determining an absence of a response from the second classical computer occurring within a predefined window of time, the response comprising the decrypted data packet and transmitting, responsive to the absence of the response, the encrypted data packet to a quantum computer, the encrypted data packet causing the quantum computer to decrypt the encrypted data packet to recover a decrypted data packet.

Quantum and classical cryptography (QCC) for data encryption and data decryption

A method includes receiving an agreement associated with a signing party by a computing system, receiving a biometric sample captured from the signing party by the computing system, generating a hash of the agreement by the computing system, and receiving a secret knowledge factor by the computing system. The method further includes generating an encryption key using the secret knowledge factor as an input to a password authenticated key exchange protocol by the computing system and generating a biometric-based electronic signature token by encrypting the biometric sample and the hash of the agreement with the encryption key by the computing system. The method further includes generating a smart contract based on the agreement by the computing system. The smart contract includes terms of the agreement and the biometric-based electronic signature token. The biometric-based electronic signature token providing biometric-based pre-authorization to be initiated by the smart contract.

Biometrics-based e-signatures for pre-authorization and acceptance transfer

A method for gesture-based multi-factor authentication includes mapping a gesture password to a first substitution string, generating a cryptographic key using the first substitution string as an input to a password authenticated key exchange protocol, encrypting a challenge response with the cryptographic key to generate an encrypted challenge response, and transmitting, to a relying party computing system, a first authentication message comprising the encrypted challenge response and a user identifier identifying a user.

Growing community of inventors

Fort Worth, TX, United States of America

Jeffrey J Stapleton