Advances in cryptology EUROCRYPT 2007 : 26th Annual International Conference on the Theory and Applications of Cryptographic Techniques Barcelona Spain May 20 24 2007 ; proceedings This book constitutes the refereed proceedings of the 26th Annual International Conference on the Theory and Applications of Cryptographic Techniques EUROCRYPT 2007 held in Barcelona Spain in May 2007. The 33 revised full papers presented were carefully reviewed and selected from 173 submissions. The papers address all current foundational theoretical and research aspects of cryptology cryptography and cryptanalysis as well as advanced applications. Written for:Researchers and professionals Keywords: RSA anonymity authentication biometric anthentication computational entropy computational number theory cryptanalysis cryptographic attacks cryptographic hash functions cryptographic protocols cryptographic systems cryptography cryptology data encryption data security digital signature systems elliptic curve cryptography hyperelliptic curves information security