Anonymous Multireceiver Identity-Based Encryption against Chosen-Ciphertext Attacks with Tight Reduction in the Standard Model

Table 3

Efficiency comparison for AMRIBE.

	Ciphertext length	Encryption cost	Decryption cost
[15]	bits	ms	ms
[18]	bits	ms	ms
[43]	bits	ms	ms
[44]	bits	ms	ms
[45]	bits	ms	ms
[46]	bits	ms	ms
[47]	bits	ms	ms
[48]	bits	ms	ms
[49]	bits	ms	ms
[50]	bits	ms	ms
[17]	bits	ms	ms
Ours	bits	ms	ms