能通过逆向分析出这个加密串的算法吗?
以下字符是一个经过二次处理的Base64字符串,如何编写逆向算法:
YVi7CAjFc08BAAoBACBEC+IgIbAjbGttEDARgSCBIQIBwTAQ/8WwuLjiICGwwRGqAqywwRKqAqywwRECnAKwoSKzBAMBAQq2008At9JZALEBwRGBIgGcA9GwrgIjJLCUJLCKIAP/UCOXJbCKIQP/UCOXJrChJ7MGA4klAYkmttOGALfSZwGxAcERE4EnnAOxAZQoshPBFBAVgSeBKGEBBpAohSi606wAt9JmAbECiShF7gG4sQKJKJgosQLBFoEogwMAP2VemSmxAokpmCmxAoYp7gG4sQLBF4EpgwMAP2ZeApkqBzoHSQdZB2IHagduB28HdQd4B3sHhAeNB5MHngesB7QHxAf4BwMIEQgZCCkIXQhDAPn/9f/O/8T/wP+5/7H/qf+c/4b/dP9j/1r/Uv84/zb/NP8y/zD/Lv8s/yn/H/8c/xn/Fv8T/xD/Bv/7/vL+6f7e/tL+vv60/qT+mf6Q/on+fv5z/l7+UP5J/kL+Of4x/iv+H/4X/g7+A/74/e/92f3P/b/9uf2v/Zb9k/2P/YP9eP12/W79AQDl/wAAAwAAAEX/AABC/wAAIv9AAEAAQABIAFAAUABQAFAAUABQAFAAWABYAFgAWABYAGAAaABwAHAAcABwAHAAcABwAHAAcABwAHAAcACAAIAANR7h/wQAAAAVgn79pAAAAAQdev2nAAAAKQNC/10AAADPA/3/AQAAAKm+Iv+UAAAAqY6I/ZsAAACCA0X/OAAAAA==
我分析应该是经过一个密钥后再做的base64的算法,不知道是不是?如何写逆向算法。