De-signcryption Efficiency Comparison.

Abstract

<p>|<i>M</i>|: the length of the plaintext <i>M</i>; <i>m</i>: the number of signers (<i>m</i> = 1 in schemes <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0063562#pone.0063562-Yu1" target="_blank">[9]</a>–<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0063562#pone.0063562-Elkamchouchi1" target="_blank">[11]</a> and our scheme); <i>n</i>: the number of recipients.</p><p>Note: N/A refers to a single-recipient scheme where the message is transmitted using a unicast communication channel, thus it is unnecessary for the recipient to judge whether he/she is authorized.</p