TY - GEN AU - Ahmed, Fahad ( MSIS-6) TI - Investigation of improvements/enhancements in elkamchouchi's signcryption scheme U1 - 005.8 PY - 2011/// CY - Rawalpindi PB - MCS (NUST) KW - PG Thesis KW - MSIS-6 N1 - Introduction (page-1) Existing signcryption techniques (page-5) Proposed scheme (page-18) Security analysis (page-30) Conclusions (Page-35) ER -