Methods and systems for controlling computers or linking to...

Multi-dimensional montgomery ladders for elliptic curves

Optical image encryption and decryption processes

Perpetual calendar

Pseudo-random function calculating device and method and...

Secured integrated circuit that includes means for...

Security document system and method

Security filament as protection against fraud

Security system

Signature generating apparatus, signature verifying...

Signcryption scheme based on elliptic curve cryptography

System and method for performing exponentiation in a...

System and method for reducing the computation and storage...

System for producing a printable security device image and...

Zero knowledge document comparison between mutually...