我这里有些字符串,这下面贴出来的所有字符串,对应的原始内容都是一样的,字符串的前面7位估计是某种密钥,字符串的后面部分应该是被加密过的字符串,再用base64编码.这种改用啥思路来解决呢?大神给个思路吧..

"L4AlzEveL4AlzEvThiOXxTka4CZHQ=="
"4iAHxE/eL4AlzEvThiOXxTka4CZHQ=="
"4lETiXTeL4AlzEvThiOXxTka4CZHQ=="
"hCAXQEkeL4AlzEvThiOXxTka4CZHQ=="

"p2cep2ceBi+AJcxL04j2hHLluphkg=="
"lLelLeleBi+AJcxL04j2hHLluphkg=="
"//gkhpueBi+AJcxL04j2hHLluphkg=="
"c2pec2peBi+AJcxL04j2hHLluphkg=="
"+c02LpgeBi+AJcxL04j2hHLluphkg=="
"/kplH24eBi+AJcxL04j2hHLluphkg=="
"HApL/2ieBi+AJcxL04j2hHLluphkg=="
"hH0A/pheBi+AJcxL04j2hHLluphkg=="
"4kcli2/eBi+AJcxL04j2hHLluphkg=="
"eeeeeeeeBi+AJcxL04j2hHLluphkg=="
"Lcg2+p0eBi+AJcxL04j2hHLluphkg=="

"JCQL4sSThh4vgCXMS9BLbfJbXsJuQ=="
"//QuJsXThh4vgCXMS9BLbfJbXsJuQ=="

"6BNLB6CTgB4L76XGDF0U6INMBpCpQ=="
"QpNUD64TgB4L76XGDF0U6INMBpCpQ=="
"7FNpg60TgB4L76XGDF0U6INMBpCpQ=="

"dvnAeLdL76XeDFOABjqnHzOvEiSdg=="
"q/BdOiDL76XeDFOABjqnHzOvEiSdg=="
"SzBe/iHL76XeDFOABjqnHzOvEiSdg=="

[课程]Android-CTF解题方法汇总！