Bouncy Castle in Android

https://rtyley.github.io/spongycastle/

gradle

compile 'com.madgag.spongycastle:core:1.52.0.0'

compile 'com.madgag.spongycastle:prov:1.52.0.0'

compile 'com.madgag.spongycastle:pkix:1.52.0.0'

compile 'com.madgag.spongycastle:pg:1.52.0.0'