The Ultimate Public-Key EncrypterProject GoalsThe Search For The Ultimate:Timing DiagramsInputs and OutputsEncryption and Decryption in RSASignature generation and VerificationDemonstrationProblems FacedLesson Learned9/3/2005 1The Ultimate PublicThe Ultimate Public--Key EncrypterKey EncrypterKaran Sondhi & Varun Aggarwal9/3/2005 2Project GoalsProject Goals Finding and analyzing as many as possible public domain implementations of standard public key cryptosystems:– RSA– DSA– Elliptic Curve DSA. Choosing the fastest and the most flexible implementations of each cryptosystem. Collecting the full information about authors and licenses of each of the chosen source codes.9/3/2005 3The Search For The Ultimate:The Search For The Ultimate: Implementations Found:– RSA • Rsaref: written by RSA Laboratories (www.rsa.com).• Rsaeuro: European version, also written by RSA Laboratories (www.rsaeuro.com). • Rsacpp: C++ version of RSA written by George Barwood.– DSA• Yet to be found ☺– ECDSA• Elliptic curve public key encryption package 2.1: written by Mike Rosing of cryptech.mcs.net9/3/2005 4Timing DiagramsTiming Diagrams00.20.40.60.811.21.41.61.8Time (in seconds)RSArefRSA C++00.050.10.150.20.250.30.350.40.45Time (In Seconds)DSA v1DSA v29/3/2005 5Inputs and OutputsInputs and OutputsDecryptionInput Cipher text Keys Signature Initialization VectorOutput Decrypted TextEncryption:Input ASCII text Key SizeOutput Cipher text Public & Private Keys Initialization Vector Signature9/3/2005 6Encryption and Decryption in RSAEncryption and Decryption in RSATime Taken Vs Key Length00.20.40.60.811.2508 620 720 920 1024EncryptionDecryption9/3/2005 7Signature generation and VerificationSignature generation and VerificationTime taken Vs key Length00.10.20.30.40.50.60.70.80.91508 620 720 820 920 1024GenerationVerification9/3/2005 8DemonstrationDemonstration Now Please wait while we prepare the demonstration of our project.………….9/3/2005 9Problems FacedProblems Faced Software Problems, Windows NT and Visual C++. Finding working implementations. Understanding Borland C++ Graphical User Interface Creation Process. Managing Time.9/3/2005 10Lesson LearnedLesson Learned We learned to plan ahead of time. We learned a lot about graphical user interface. A graduate course won’t get you much sleep
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