To remedy this, Keymaster introduced key attestation in Android 7.0 (Keymaster 2) and ID attestation in Android 8.0 (Keymaster 3). Key attestation aims to provide a way to strongly determine if an asymmetric key pair is hardware-backed, what the properties of the key are, and what constraints are applied to its usage. Android Keystore system protects key material from unauthorized use. Firstly, Android Keystore mitigates unauthorized use of key material outside of the Android device by preventing extraction of the key material from application processes and from the Android device as a whole. (Android™) Generate RSA Public/Private Key Pair and Export to PEM. Android™ example code showing how to generate an RSA public/private key pair and export to PEM files.

Keytool Generate Keystore

Generating a Key Pair and a Self-Signed Certificate

The genkey command of the keytool programenables you to generate a key pair.

Android Keystore Example

To Generate a Key Pair and a Self-Signed Certificate

1. Navigate to the JAVA_HOME/bin directory,where JAVA_HOME is the installation directory ofthe Java SDK.

2. Enter the following command:

3. When prompted, enter your keystore password.

4. When prompted, enter the Distinguished Name information.

   1. What is your first and last name?

      Caution –

      When prompted for your first and last name, make sureyou enter the machine hostname.

   2. What is the name of your organizational unit?

   3. What is the name of your organization?

   4. What is the name of your City or Locality?

   5. What is the name of your State or Province?

   6. What is the two-letter country code for this unit?

   7. Is CN=first_and_last_name, OU=organizational_unit, O=organization_name,L=city_or_locality, ST=state_or_province, C=two_letter_country_codecorrect?

5. When prompted, enter a password for the keystore entry.If the password is same as the keystore password, press Return.

   Note –

   Ifyou want to use a keystore, it is recommended to use the sbyn.keystore file in the JavaCAPS-install-dir/repository/repository/server directory.

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Android Keystore Generate Key Pair

Android Keystore Generate Rsa Key Pair Using Openssl

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Android Keystore Generate Rsa Key Pair Key