Comparing the mean and standard deviation (μσ) decryption time for the proposed SK4OA algorithm against RC4, Salsa20, Chacha20 algorithms utilizing different data sizes.

Comparing the mean and standard deviation (μσ) decryption time for the proposed SK4OA algorithm against RC4, Salsa20, Chacha20 algorithms utilizing different data sizes.在不同数据量条件下，对比所提出的SK4OA算法与RC4、Salsa20、Chacha20算法的解密时长均值与标准差（μσ）。