openjavacard / openjavacard-libraries

Class libraries for JavaCard

OpenJavaCard Libraries

This is a set of reusable libraries for the JavaCard environment.

CAUTION: All completely experimental at this point.

Project

For more information about this overall project, see our website.

You can follow us on Twitter and chat with us on Gitter.

Overview

Name	Description	Status
library-auth	Authentication framework	Experiment
library-ber	BER-TLV processing	Usable
library-codec	Codec library	Experiment
library-ctlv	Compact-TLV utilities	Experiment
library-cvmpin	CVM PIN wrapper	Experiment
library-debug	Debug utilities	Experiment
library-fortuna	Fortuna PRNG	Usable
library-isofs	ISO7816 filesystem	Experiment
library-oath	OATH authentication	Experiment
library-password	Password authentication	Experiment
library-rsa	RSA supplementary ciphers	Experiment
library-string	String processing	Experiment
library-tlv	TLV object representation	Experiment
---------------------	------------------------------------	------------

Components

• BER-TLV library
  • Callback-based TLV parsing
  • Builder-based TLV writing
  • Supports 2-byte tags
  • Flexible interface
  • Allocation-free design
• Compact-TLV library
  • Minimalist implementation
  • Can construct historical bytes for ATR
• Fortuna PRNG implementation
  • Well-Known algorithm
  • Refuses operation without seed
• RSA library
  • OAEP encryption
  • MGF1 masking
• String library
  • Character type functions
  • String statistics utility
• Password library
  • Salt and hash

Hacks And Intentions

• ISO filesystem library
  • lots of code exists
  • nothing usable yet
• Authentication library
  • some code exists
  • modularize authentication
  • support key derivation
• TLV object representation
• OATH cipher suite
• Blinding ciphers (pseudonymous buddy matching)
• CBOR implementation
  • we would love to have one
• Codec library
  • hex, base64...