Inventor

CAMENISCH JAN L

CH69 patents

⚠️ This page may combine multiple inventors who share the name “CAMENISCH JAN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CAMENISCH JAN L

IBM

System and method for generating a server-assisted strong password from a weak secret

Production of cryptographic signatures

Reducing access to sensitive information

Password-based management of encrypted files

Credential abuse prevention and efficient revocation with oblivious third party

System and method for generating a server-assisted strong password from a weak secret

Privacy-preserving attribute-based credentials

Authentication of user computers

Signature scheme for homomorphic message encoding functions

Privacy enhanced central data storage

Method for deriving a verification token from a credential

Password-based authentication

Password-based authentication

Data masking

Hardware security modules for executing zero-knowledge proofs

Backup and invalidation of authentication credentials

Unfalsifiable audit logs for a blockchain

Selective access to asset transfer data

Authentication of packaged products

Delegating credentials with a blockchain member service

Authentication of packaged products

Traitor tracing for obfuscated credentials

System and method for generating a server-assisted strong password from a weak secret

Server systems for distributed cryptographic protocols

Server-assisted authentication

Cryptographic key-generation with application to data deduplication

Owner based device authentication and authorization for network access

Flexible revocation of credentials

Method and apparatus for accessing a computer application program

Production of cryptographic signatures

Backup and invalidation of authentication credentials

Signature scheme for homomorphic message encoding functions

Authentication of packaged products

Authentication of packaged products

Enablement of performance of a transaction

Enablement of performance of a transaction

Method for automatically validating a transaction, electronic payment system and computer program

Leakage-deterring encryption for message communication

Production of cryptographic signatures

Refresh of shared cryptographic keys

Production of cryptographic signatures

Production of cryptographic signatures

Refresh of shared cryptographic keys

Managing unlinkable identifiers for controlled privacy-friendly data exchange

Password-authenticated public key encryption and decryption

Production of cryptographic signatures

CAMENISCH JAN L

Joint encryption of data

Joint encryption of data

Cryptographic proofs in data processing systems

BICHSEL PATRIK

Transaction auditing for data security devices