Top "Encryption" questions

Encryption is the process of transforming information (called plaintext) into an unreadable form (called ciphertext) using an encryption algorithm combined with a parameter (called an encryption key).

Encrypt and decrypt a string in C#?

How can I encrypt and decrypt a string in C#?

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Encrypting & Decrypting a String in C#

What is the most modern (best) way of satisfying the following in C#? string encryptedString = SomeStaticClass.Encrypt(sourceString); string decryptedString = …

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Java 256-bit AES Password-Based Encryption

I need to implement 256 bit AES encryption, but all the examples I have found online use a "KeyGenerator" to generate …

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How do you Encrypt and Decrypt a PHP String?

What I mean is: Original String + Salt or Key --> Encrypted String Encrypted String + Salt or Key --> …

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Initial bytes incorrect after Java AES/CBC decryption

What's wrong with the following example? The problem is that the first part of the decrypted string is nonsense. However, …

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How to use OpenSSL to encrypt/decrypt files?

I want to encrypt and decrypt one file using one password. How can I use OpenSSL to do that?

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Is it possible to decrypt MD5 hashes?

Someone told me that he has seen software systems that: retrieve MD5 encrypted passwords from other systems; decrypt the encrypted …

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How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?

Which of them are preferred in which circumstances? I'd like to see the list of evaluation crtieria for the various …

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Encrypt & Decrypt using PyCrypto AES 256

I'm trying to build two functions using PyCrypto that accept two parameters: the message and the key, and then encrypt/…

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How to encrypt String in Java

What I need is to encrypt string which will show up in 2D barcode(PDF-417) so when someone get an …

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