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Description
The apksigner utility, included in version 24.0.3 and later of the Android SDK Build Tools, enables users to sign APK files and ensure that the APK’s signature is valid across all Android platform versions compatible with that APK. This document provides a brief overview of utilizing the tool and acts as a guide to the various command-line parameters it supports. For a detailed explanation of the apksigner tool in the context of APK signing, refer to the complete documentation. The minimum Android framework API level that apksigner relies on to ensure the APK's signature can be verified is adjustable; higher values enhance security protocols during the signing process but may restrict the APK's compatibility with older devices. By default, the tool refers to the minSdkVersion attribute specified in the application’s manifest file, which determines its baseline compatibility. Users are encouraged to consider both security and compatibility when selecting the API level for their APKs.
Description
The jarsigner utility serves a dual function: it authenticates the signatures and verifies the integrity of signed JAR files while also enabling the signing of Java Archive (JAR) files. A digital signature consists of a sequence of bits derived from the data being signed along with the private key of a specific entity, which could be an individual or a corporation, among others. Much like a handwritten signature, a digital signature possesses several beneficial properties; its authenticity can be confirmed through a calculation that employs the public key linked to the private key used for generating that signature. Furthermore, it is intrinsically tied to the signed data, meaning it cannot validly represent a signature for different data, and any alteration to the signed data renders the signature unverifiable as genuine. This mechanism ensures that it cannot be counterfeited, provided that the private key remains confidential, thereby enhancing security in digital transactions and communications.
API Access
Has API
API Access
Has API
Integrations
No details available.
Integrations
No details available.
Pricing Details
No price information available.
Free Trial
Free Version
Pricing Details
No price information available.
Free Trial
Free Version
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Vendor Details
Company Name
Founded
1998
Country
United States
Website
developer.android.com/tools/apksigner
Vendor Details
Company Name
Oracle
Founded
1977
Country
United States
Website
docs.oracle.com/javase/7/docs/technotes/tools/windows/jarsigner.html