TY - BOOK AU - Stallings William TI - Cryptography and network security: Principles and practice SN - 9789332585225 (pbk) U1 - D65,8(B):71:(894), P3;Q7;1-;5 PY - 2017/// CY - Delhi PB - Pearson KW - Asymmetric ciphers KW - Background KW - Mutual trust KW - Symmetric ciphers KW - Computer Science N1 - Appendices 696-743p.; References 744-753p.; Index 754-766p.; Reprint2018 ER -