Inventor

RAMZAN ZULFIKAR AMIN

US28 patents

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

RAMZAN ZULFIKAR AMIN

NTT DOCOMO INC

Revocation of cryptographic digital certificates

Method and apparatus for secure and small credits for verifiable service provider metering

Revocation of cryptographic digital certificates

Multi-certificate revocation using encrypted proof data for proving certificate&#39;s validity or invalidity

Method and apparatus for communication efficient private information retrieval and oblivious transfer

Method and apparatus for secure and small credits for verifiable service provider metering

Use of modular roots to perform authentication including, but not limited to, authentication of validity of digital certificates

Broadcast encryption using RSA

Digital signatures including identity-based aggregate signatures

Method and apparatus for communication efficient private information retrieval and oblivious transfer

Cryptographic authentication, and/or establishment of shared cryptographic keys, using a signing key encrypted with a non-one-time-pad encryption, including (but not limited to) techniques with improved security against malleability attacks

Use of modular roots to perform authentication including, but not limited to, authentication of validity of digital certificates

Use of modular roots to perform authentication including, but not limited to, authentication of validity of digital certificates

Revocation of cryptographic digital certificates

Method and apparatus for communication efficient private information retrieval and oblivious transfer

Method and apparatus for efficient certificate revocation

Exclusive set system constructions including, but not limited to, applications to broadcast encryption and certificate revocation

Generation of set coverings with free riders, and generation of ordered sets of meeting points, in systems which include, but are not limited to, systems for broadcast encryption and systems for certificate revocation

Changing states of communication links in computer networks in an authenticated manner

GENTRY CRAIG B

Revocation of cryptographic digital certificates

Method and apparatus for authentication of data streams with adaptively controlled losses

Method and apparatus for efficient certificate revocation

Revocation of cryptographic digital certificates

RAMZAN ZULFIKAR AMIN

Cryptographic authentication and/or establishment of shared cryptographic keys, including, but not limited to, password authenticated key exchange (PAKE)

Cryptographic authentication and/or establishment of shared cryptographic keys, including, but not limited to, password authenticated key exchange (PAKE)

Method and apparatus for communication efficient private information retrieval and oblivious transfer

LUCENT TECHNOLOGIES INC

Constructions of variable input length cryptographic primitives for high efficiency and high security

Efficient universal hashing method

Multi-certificate revocation using encrypted proof data for proving certificate's validity or invalidity