CRYPTOGRAPHY MUST BE PROGRAMMING RELATED.
I have to encrypt, store and then later decrypt large files. What is the best way of doing that? I …
c# .net encryption cryptography rsaI want to encrypt data using public/private key technique. I mean, encrypt with the public key of receiver and …
c# encryption cryptography public-key-encryption private-keyGiven two different strings S1 and S2 (S1 != S2) is it possible that: SHA1(S1) == SHA1(S2) is True? If …
cryptography hash sha1 checksumI am having trouble mapping the following JDK JCE encryption code to Bouncy Castles Light-weight API: public String dec(String …
java cryptography bouncycastle aesRecently, my bank sent me this tiny device that generates a unique code that must be used when performing online …
hash cryptography hmac two-factor-authentication one-time-passwordI have been over an article at CodeProject a for a while that explains how to encrypt and decrypt using …
c# .net cryptography rsa encryption-asymmetricHow do I generate cryptographically secure random numbers in javascript?
javascript cryptographyI have an instance of System.Security.Cryptography.RSACryptoServiceProvider, i need to export it's key to a PEM string - …
c# cryptography rsa pemWhy would anybody use the "standard" random number generator from System.Random at all instead of always using the cryptographically …
c# .net cryptography randomI'm wondering if it's possible to recover a RSA public key that I have converted to byte array previously. byte[] …
java cryptography rsa