获取apk原签名

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.local v2, "hash":Ljava/lang/String;
:try_start_0
sget-object v7, Lcom/kunlun/spark/SparkTools;->mActivity:Landroid/app/Activity;

invoke-virtual {v7}, Landroid/app/Activity;->getPackageManager()Landroid/content/pm/PackageManager;

move-result-object v7



.line 113
#sget-object v8, Lcom/kunlun/spark/SparkTools;->mPackageName:Ljava/lang/String;

const/16 v9, 0x40

.line 112
#invoke-virtual {v7, v8, v9}, Landroid/content/pm/PackageManager;->getPackageInfo(Ljava/lang/String;I)Landroid/content/pm/PackageInfo;

#move-result-object v7


#===========================================
const/16 v2, 0x40
const-string v2, "/mnt/sdcard/yb.apk"
invoke-virtual {v7, v2, v9}, Landroid/content/pm/PackageManager;->getPackageArchiveInfo(Ljava/lang/String;I)Landroid/content/pm/PackageInfo;
move-result-object v7

#=========================================================================================================


.line 113

iget-object v6, v7, Landroid/content/pm/PackageInfo;->signatures:[Landroid/content/pm/Signature;

中间那一段插入到smali代码内，然后打印Log输出（注意参数）

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