Top "Cryptography" questions

CRYPTOGRAPHY MUST BE PROGRAMMING RELATED.

Will a SHA256 hash always have 64 characters?

I'm setting up my database to receive hashed passwords and not accept plain text. Would I go something like this? …

c# .net cryptography sha256
Encrypting with RSA private key in Java

I'm trying to encrypt some content with an RSA private key. I'm following this example: http://www.junkheap.net/content/…

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How to create random-salt-hash with crypto

I want to create a salt-hash using node.js crypto lib without having to parse any hardcoded data. What do …

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How secure is AES-128?

It seems there are legal issues associated with AES-256 (it is disabled in Java, and Oracle tells me in their …

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How to convert Byte array to PrivateKey or PublicKey type?

I am using RSA algorithm to generate public and private key final KeyPairGenerator keyGen = KeyPairGenerator.getInstance(ALGORITHM); keyGen.initialize(1024); final …

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Why is XOR used in cryptography?

Why is only XOR used in cryptographic algorithms, and other logic gates like OR, AND, and NOR are not used?

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Login without HTTPS, how to secure?

For a webapplication, when HTTPS is not available as a security measure, is it possible to still make the login …

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Tutorial of ECDSA algorithm to sign a string

Can you help me to find a simple tutorial of how sign a string using ECDSA algorithm in java. But …

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C++ AES Encryption Class

I need AES encryption for my C++ project. But i don't have the time to study the more popular and …

c++ encryption cryptography aes
Save and load crypto/rsa PrivateKey to and from the disk

I'm using crypto/rsa, and trying to find a way to properly save and load a key. Is there a …

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