Data Protection of Accounting Information Based on Big Data and Cloud Computing

Table 1

Performance comparison of the two schemes.

Steps	Single authority ABE (s)	Multiauthority ABE (s)
Initialization	3.8	1.7
Key generation	2.7	1.3
Encryption	3.2	1.0
Decrypt	3.5	1.5
Key update	3.6	0.9
Ciphertext update	4.0	1.1