Reactive Android Development

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Reactive Android Development CS 4593-02T & CS 5463-01T Summer 2016 Encryption

Early Encryption Techniques Caesar Cipher Pick an offset and add that to the letters of the text Say 4 A-> E B-> F Z -> D

Public Key Encryption KeyPair One for encoding One for decoding Knowing the public key isn't* enough to compute the private key *assuming that one-way functions exist

Where to store you keys Losing your house keys is bad

Where to store you keys Losing your house keys is bad Losing you private key might actually be worse!

Where to store your keys Keystore Keeps your keys safe Even from yourself Purpose Encryption Decription KeyInfo.IsInsideSecurityHardware()