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Android signature mechanism-Detailed description of the signature processI. Preface After a long time, the hands without writing articles were a little uncomfortable. Today is Christmas, or you have to go to work. A few days ago, a colleague asked

This article was reproduced from: http://www.wjdiankong.cn/android%E7%AD%BE%E5%90%8D%E6%9C%BA%E5%88%B6%E4%B9%8B-%E7%AD%BE%E5%90%8D%E8%BF% 87%e7%a8%8b%e8%af%a6%e8%a7%a3/First, prefaceIt's been a long time, not writing the hands of the article is a

First, prefaceIn the previous article said that Android security and decryption are mutually reinforcing, in order to prevent being cracked, many applications do some protection strategy, but the protection strategy is also hierarchical, the general

0x01 Android Signature mechanismRename the apk to a zip file, and you can see a Meta-inf folder with three files, named MANIFEST.MF, CERT, respectively. SF and Cert.rsa, these are signature files that are generated using Signapk.jar.1, MANIFEST. MF

Chapter 2 digital signature algorithm-RSA, digital signature-rsa Note: In this section, refer Java encryption and decryption art (2nd edition) Chapter 9th "message digest algorithm with key-digital signature algorithm" Chapter 3rd "Internet

1. Why signature? 1) sender authentication Because developers may use the same package name to confuse and replace the installedProgramTo ensure that the packages with different signatures are not replaced. 2) ensure the integrity of

Android APK Signature ComparisonFriends who have released Android apps should be aware that the Android APK release needs to be signed. The signature mechanism plays an important role in Android applications and frameworks.For example, the Android

Android APK signature comparison Users who have published Android apps should know that the release of Android APK requires signatures. The signature mechanism plays an important role in Android applications and frameworks. For example, the Android

Important things to say three times, this article is mainly to verify the Java RSA Signature, verification test code, the main code reference http://xw-z1985.iteye.com/blog/1837376Important things to say three times, this article is mainly to verify

Record the Webapi signature mechanism and webapi signature mechanism First, the reason for writing this article is that the interface in a recent project has been manually called, resulting in database data being changed. Although it was inactive,