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View encrypt_img_ecb.sh
#!/bin/sh
# This is part of my blog about AES: https://medium.com/p/7616beaaade9
# Inspired by https://blog.filippo.io/the-ecb-penguin/
# Convert your image to .ppm with Gimp or Photoshop
#
# Usage: ./ecb_img <image file as ppm> <password>
# extract header and body
View AesCbcExample.java
package at.favre.lib.armadillo;
import org.junit.Test;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.SecureRandom;
import java.util.Arrays;
View example_jekyll.md

In Jekyll set a variable for the mail, e.g. in the _config.yml

email: name@mail.com

then use it in your page

Reach me under:	{{ site.email | mailObfuscate }}

which will generate the following HTML

View RandomOrgUtil.java
/*
Copyright 2017 Patrick Favre-Bulle
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
View gist:d3ea9bfcb1669389f0bb52240bace1f3
MessageDigest digest = null;
try {
digest = MessageDigest.getInstance("SHA-256");
byte[] hash = digest.digest("hallo".getBytes(Charset.forName("UTF-8")));
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
Provider[] providers = Security.getProviders();
for (Provider provider : providers) {
View AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest package="com.company.seismicbug"
xmlns:android="http://schemas.android.com/apk/res/android">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
View KeyStoreHelper.java
/*
* Copyright 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
View scaling_36295066.java
/*
* Copyright 2017 Patrick Favre-Bulle
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
View ImageUtil.java
/*
* Copyright 2017 Patrick Favre-Bulle
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software