查看apk签名信息

参考：
http://www.jianshu.com/p/f45cfd9fccaa

Demo

修改后的apk

这是我很久以前忘了用什么工具对youdaodict逆向之后，注释掉两行smali之后重打包的apk。近几个月这个应用一启动不久就崩溃了，我还以为是签名时间到了，结果发现并没有到，应该是其他的什么原因。等待动态调试之。

[~/GitProjects/android_re/repos/youdaodict]$ apktool d youdaodict.apk                          [1:07:58]I: Using Apktool 2.2.3 on youdaodict.apkI: Loading resource table...I: Decoding AndroidManifest.xml with resources...I: Loading resource table from file: /Users/caiqiqi/Library/apktool/framework/1.apkI: Regular manifest package...I: Decoding file-resources...I: Decoding values */* XMLs...I: Baksmaling classes.dex...I: Copying assets and libs...I: Copying unknown files...I: Copying original files...[~/GitProjects/android_re/repos/youdaodict]$ ls                                                [1:08:21]youdaodict     youdaodict.apk[~/GitProjects/android_re/repos/youdaodict]$ cd youdaodict                                     [1:08:32][~/GitProjects/android_re/repos/youdaodict/youdaodict]$ ls                                     [1:08:38]AndroidManifest.xml assets              original            smaliapktool.yml         lib                 res                 unknown[~/GitProjects/android_re/repos/youdaodict]$ keytool -printcert -file CERT.RSA所有者: EMAILADDRESS=[e-mail], CN=Android, OU=Android, O=Android, L=Mountain View, ST=California, C=US发布者: EMAILADDRESS=[e-mail], CN=Android, OU=Android, O=Android, L=Mountain View, ST=California, C=US序列号: 936eacbe07f201df有效期开始日期: Fri Feb 29 09:33:46 CST 2008, 截止日期: Tue Jul 17 09:33:46 CST 2035证书指纹:     MD5: E8:9B:15:8E:4B:CF:98:8E:BD:09:EB:83:F5:37:8E:87     SHA1: 61:ED:37:7E:85:D3:86:A8:DF:EE:6B:86:4B:D8:5B:0B:FA:A5:AF:81     SHA256: A4:0D:A8:0A:59:D1:70:CA:A9:50:CF:15:C1:8C:45:4D:47:A3:9B:26:98:9D:8B:64:0E:CD:74:5B:A7:1B:F5:DC     签名算法名称: SHA1withRSA     版本: 3扩展:#1: ObjectId: 2.5.29.35 Criticality=falseAuthorityKeyIdentifier [KeyIdentifier [0000: 48 59 00 56 3D 27 2C 46   AE 11 86 05 A4 74 19 AC  HY.V=',F.....t..0010: 09 CA 8C 11                                        ....][EMAILADDRESS=[e-mail], CN=Android, OU=Android, O=Android, L=Mountain View, ST=California, C=US]SerialNumber: [    936eacbe 07f201df]]#2: ObjectId: 2.5.29.19 Criticality=falseBasicConstraints:[  CA:true  PathLen:2147483647]#3: ObjectId: 2.5.29.14 Criticality=falseSubjectKeyIdentifier [KeyIdentifier [0000: 48 59 00 56 3D 27 2C 46   AE 11 86 05 A4 74 19 AC  HY.V=',F.....t..0010: 09 CA 8C 11                                        ....]]

修改前的apk(官方的)