msramalho
/ Cryptography.java
Created
January 13, 2020 22:59
Java Class to manage cryptography keys in Android Keystore using "AES/CBC/PKCS7Padding" - encrypt and decrypt strings
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| import android.security.keystore.KeyGenParameterSpec; | |
| import android.security.keystore.KeyProperties; | |
| import android.util.Base64; | |
| import java.io.IOException; | |
| import java.nio.charset.StandardCharsets; | |
| import java.security.InvalidAlgorithmParameterException; | |
| import java.security.InvalidKeyException; | |
| import java.security.KeyStore; | |
| import java.security.KeyStoreException; |
shahdhiren
/ P12toPEM.txt
Created
September 9, 2016 14:57
Convert P12 file for Push Notification to PEM format
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| Development Phase: | |
| Step 1: Create Certificate .pem from Certificate .p12 | |
| Command: openssl pkcs12 -clcerts -nokeys -out apns-dev-cert.pem -in apns-dev-cert.p12 | |
| Step 2: Create Key .pem from Key .p12 | |
| Command : openssl pkcs12 -nocerts -out apns-dev-key.pem -in apns-dev-key.p12 | |
| Step 3: Optional (If you want to remove pass phrase asked in second step) | |
| Command : openssl rsa -in apns-dev-key.pem -out apns-dev-key-noenc.pem |
emil2k
/ Connectivity.java
Last active
August 5, 2024 10:48
Android utility class for checking device's network connectivity and speed.
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| /* | |
| * Copyright (c) 2017 Emil Davtyan | |
| * | |
| * Permission is hereby granted, free of charge, to any person obtaining | |
| * a copy of this software and associated documentation files (the | |
| * "Software"), to deal in the Software without restriction, including | |
| * without limitation the rights to use, copy, modify, merge, publish, | |
| * distribute, sublicense, and/or sell copies of the Software, and to | |
| * permit persons to whom the Software is furnished to do so, subject to | |
| * the following conditions: |