Table 2.

Security analysis comparison of proposed scheme and other schemes.

	1	2	3	4	5	6	7	8
Barman, [60]	N	N	N	N	N	$\mathcal{O}(nlogn)$	n	N
Joglekar, [62]	N	N	N	N	N	N/A	N/A	N
Muthukuru, [59]	Y	N	N	N	N	$\mathcal{O}(nlogn)$	n	N
Duarah, [61]	N	N	N	N	N	$\mathcal{O}(nlogn)$	n	N
Das, [55]	N	N	N	N	N	N/A	N/A	N
Proposed scheme	Y	Y	Y	Y	Y	$\mathcal{O}(nlogn)$	$2^n$	Y

1. IND-CPA; 2. IND-CCA; 3. Resistance to malleability attack; 4. Integrity; 5. Authenticated encryption; 6. Complexity of mapping phase; 7. No of rounds based on n appending bits; 8. Offers nonrepudiation