1. Bijections Between Group Rings Preserving Character Sums

   • Mariko Hagita
   • Bernhard Schmidt

   OriginalPaper Pages: 243 - 254

2. Improved Schemes for Visual Cryptography

   • Carlo Blundo
   • Annalisa De Bonis
   • Alfredo De Santis

   OriginalPaper Pages: 255 - 278

3. On the Linear Complexity of the Naor–Reingold Pseudo-random Function from Elliptic Curves

   • Igor E. Shparlinski
   • Joseph H. Silverman

   OriginalPaper Pages: 279 - 289

4. \((C_k \oplus G,k,\lambda )\) Difference Families

   • Clement Lam
   • Ying Miao

   OriginalPaper Pages: 291 - 304

5. An Upper Bound on the Number of Iterations for Transforming a Boolean Function of Degree Greater or Equal Than 4 to a Function of Degree 3

   • H. Tapia-Recillas
   • G. Vega

   OriginalPaper Pages: 305 - 312

6. The Structure of 1-Generator Quasi-Twisted Codes and New Linear Codes

   • Nuh Aydin
   • Irfan Siap
   • Dijen K. Ray-Chaudhuri

   OriginalPaper Pages: 313 - 326

7. Verifiable Partial Escrow of Integer Factors

   • Wenbo Mao

   OriginalPaper Pages: 327 - 342

8. Trace Representation of Legendre Sequences

   • Jeong-Heon Kim
   • Hong-Yeop Song

   OriginalPaper Pages: 343 - 348