如何获取我的APK的签名校验和? [英] How do I get the signature checksum of my APK?

问题描述

在为设备所有者应用程序配置设备时，我想使用签名校验和而不是程序包校验和.该应用程序将从http服务器下载.

I would like to use the signature checksum instead of the package checksum when provisioning a device with a device owner app. The app will be downloaded from an http server.

使用EXTRA_PROVISIONING_DEVICE_ADMIN_PACKAGE_CHECKSUM时，该帖子很棒: 配置Android Lollipop时的校验和错误

This post is great when using EXTRA_PROVISIONING_DEVICE_ADMIN_PACKAGE_CHECKSUM: Checksum Error while provisioning Android Lollipop

但是我想使用EXTRA_PROVISIONING_DEVICE_ADMIN_SIGNATURE_CHECKSUM. 请参阅: https://developer.android.com/reference/android/app/admin/DevicePolicyManager.htm

But I would like to use EXTRA_PROVISIONING_DEVICE_ADMIN_SIGNATURE_CHECKSUM. See: https://developer.android.com/reference/android/app/admin/DevicePolicyManager.htm

预配应用程序和设备所有者应用程序都将在Android O上运行.

The provisioning app and device owner app will both on be running on Android O.

如何获取可在NFC的键/值对中使用的应用程序的签名校验和?

How do I get the signature checksum of my app that I can use in my key/value pair for NFC?

推荐答案

尝试一下

keytool -list -printcert -jarfile [path_to_your_apk] | grep -Po "(?<=SHA256:) .*" | xxd -r -p | openssl base64 | tr -d '=' | tr -- '+/=' '-_'

详细信息:

• keytool -list -printcert -jarfile [path_to_your_apk]提取有关APK证书的信息，
• grep -Po "(?<=SHA256:) .*" | xxd -r -p提取SHA256哈希并将其转换为二进制，
• openssl base64使用base64对其进行编码，
• tr -d '=' | tr -- '+/=' '-_'使其具有URL安全性(+编码为-，/编码为_，并且删除了填充字符=).

• keytool -list -printcert -jarfile [path_to_your_apk] extracts informations about the certificate of the APK,
• grep -Po "(?<=SHA256:) .*" | xxd -r -p takes the SHA256 hash and converts it to binary,
• openssl base64 encodes it with base64,
• tr -d '=' | tr -- '+/=' '-_' makes it URL-safe (+ is encoded as -, / is encoded as _ and the padding character = is removed).

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