Top "Des" questions

Data Encryption Standard (DES) is a cryptographic block cipher algorithm.

Comparison of DES, Triple DES, AES, blowfish encryption for data

Does anyone have pros and cons together for comparing these encryption algorithms ?

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Really simple encryption with C# and SymmetricAlgorithm

I'm looking for a very simple crypt / decrypt method. I will be using always the same static key. I'm aware …

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Converted SecretKey into bytes, how to convert it back to a SecretKey?

I convert the secretkey into bytes with following code SecretKey key = KeyGenerator.getInstance("DES").generateKey(); byte[] bkey=key.getEncoded(); Now …

java security byte des
IllegalBlockSizeException: Input length must be multiple of 8 when decrypting with padded cipher

I have the below method: public String decrypt(String strToBeDecrypted) { try { strToBeDecrypted = URLDecoder.decode(strToBeDecrypted, "UTF-8"); DESKeySpec desKeySpec = new DESKeySpec(…

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Java simple encryption

I would like to encrypt a textual (configuration) file stored on disk. Trying to use DES encryption I've had fatal …

java encryption des
Java PBEWithMD5AndDES

I am using password based encryption. My initial thought was to use AES to encrypt the file which contains passwords. …

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How should I create my DES key? Why is an 7-character string not enough?

I'm having a bit of difficulty getting an understand of key length requirements in cryptography. I'm currently using DES which …

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Converting Key to String and back to Key Java

so I'm trying to convert a Key into a string so I can display it with System.out, and then …

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Is DES or 3DES still being used today?

I've written a DES implementation as an exercice and am now wondering if and where (triple-)DES is used today. …

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javax.crypto.IllegalBlockSizeException: Input length not multiple of 8 bytes

i am getting this error while decryption i have go through the similar posts but i did not get any …

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