Helena Rif

Z2Z4-Additive Perdect Codes in Steganography

Lorena Ronquillo, Helena Rif, Josep Rifand, 2011 .

Computational and Energy Costs of Cryptographic Algorithms on Handheld Devices

Helena Rif, 2011 .

Seguridad en smart cities e infraestructuras cr

Victor Garcia-Font, Carles Garrigues, Helena Rif, 2014 .