Inventor
LEHMANN ANJA
CH43 patents
Patents
43 patentsUS9667428B2May 30, 2017
Production of cryptographic signatures
IBM7 citations84
US9813414B2Nov 7, 2017
Password-based management of encrypted files
IBM15 citations83
US10079686B2Sep 18, 2018
Privacy-preserving attribute-based credentials
IBM7 citations82
US10027477B2Jul 17, 2018
Distributed single sign-on
IBM5 citations82
US9705872B2Jul 11, 2017
Distributed single sign-on
IBM5 citations82
US10397002B2Aug 27, 2019
Signature scheme for homomorphic message encoding functions
IBM2 citations73
US10229285B2Mar 12, 2019
Privacy enhanced central data storage
IBM2 citations73
US9871655B2Jan 16, 2018
Method for deriving a verification token from a credential
IBM2 citations73
US9596086B2Mar 14, 2017
Password-based authentication
IBM2 citations73
US9537658B2Jan 3, 2017
Password-based authentication
IBM2 citations73
US11194921B2Dec 7, 2021
Data masking
IBM2 citations72
US9755840B2Sep 5, 2017
Backup and invalidation of authentication credentials
IBM2 citations72
US10104088B2Oct 16, 2018
Traitor tracing for obfuscated credentials
IBM2 citations71
US10091190B2Oct 2, 2018
Server-assisted authentication
IBM4 citations69
US9847877B2Dec 19, 2017
Password-based generation and management of secret cryptographic keys
IBM2 citations69
US11012243B2May 18, 2021
Production of cryptographic signatures
IBM0 citations62
US10554419B2Feb 4, 2020
Backup and invalidation of authentication credentials
IBM1 citations62
US10397003B2Aug 27, 2019
Signature scheme for homomorphic message encoding functions
IBM1 citations62
US10333719B2Jun 25, 2019
Production of cryptographic signatures
IBM0 citations52
US10181950B2Jan 15, 2019
Refresh of shared cryptographic keys
IBM0 citations52
US10015019B2Jul 3, 2018
Production of cryptographic signatures
IBM0 citations52
US10009182B2Jun 26, 2018
Production of cryptographic signatures
IBM0 citations52
US9923717B2Mar 20, 2018
Refresh of shared cryptographic keys
IBM1 citations52
US9882890B2Jan 30, 2018
Reissue of cryptographic credentials
IBM0 citations52
US9781078B2Oct 3, 2017
Managing unlinkable identifiers for controlled privacy-friendly data exchange
IBM0 citations52
US9755832B2Sep 5, 2017
Password-authenticated public key encryption and decryption
IBM1 citations52
US9755839B2Sep 5, 2017
Production of cryptographic signatures
IBM0 citations52
US9635012B2Apr 25, 2017
Method for deriving a verification token from a credential
IBM1 citations52
US9548970B2Jan 17, 2017
Managing unlinkable identifiers for controlled privacy-friendly data exchange
IBM0 citations52
US9385872B2Jul 5, 2016
Reissue of cryptographic credentials
IBM0 citations52
US10754970B2Aug 25, 2020
Data masking
IBM0 citations51
US10740484B2Aug 11, 2020
Data masking
IBM0 citations51
US10171451B2Jan 1, 2019
Distributed single sign-on
IBM0 citations51
US10164964B2Dec 25, 2018
Distributed single sign-on
IBM0 citations51
US10164965B2Dec 25, 2018
Distributed single sign-on
IBM0 citations51
US10609039B2Mar 31, 2020
Traitor tracing for obfuscated credentials
IBM0 citations50
US10616186B2Apr 7, 2020
Data tokenization
IBM0 citations49
US10609000B2Mar 31, 2020
Data tokenization
IBM0 citations49
US10057060B2Aug 21, 2018
Password-based generation and management of secret cryptographic keys
IBM0 citations48
US10826694B2Nov 3, 2020
Method for leakage-resilient distributed function evaluation with CPU-enclaves
IBM0 citations47
US9860237B2Jan 2, 2018
Password-based authentication in server systems
IBM0 citations42
US10356058B2Jul 16, 2019
Encrypted message communication
IBM0 citations41
US10250591B2Apr 2, 2019
Password-based authentication
IBM0 citations41