Eventually, this is the code that worked for me: private static void AES_Encrypt(string inputFile, string outputFile, byte[] passwordBytes) { byte[] saltBytes = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8}; string cryptFile = outputFile; FileStream fsCrypt = new FileStream(cryptFile, FileMode.Create); RijndaelManaged AES = new RijndaelManaged(); AES.KeySize = 256; AES.BlockSize = 128; var … Read more
Since the CCCrypt takes an IV, does it not use a chaining block cipher method (such as CBC)? This would be consistant with what you see: the first block is identical, but in the second block the Java version applies the original key to encrypt, but the OSX version seems to use something else. EDIT: … Read more
Check out this link it has a example code to encrypt/decrypt data using AES256CBC using EVP API. https://github.com/saju/misc/blob/master/misc/openssl_aes.c Also you can check the use of AES256 CBC in a detailed open source project developed by me at https://github.com/llubu/mpro The code is detailed enough with comments and if you still need much explanation about the API … Read more
After spending time dealing with this, I got success in ANDROID(java) and IOS (Objc) using AES with the codes below: ANDROID CODE import java.io.IOException; import java.security.InvalidAlgorithmParameterException; import java.security.InvalidKeyException; import java.security.NoSuchAlgorithmException; import javax.crypto.BadPaddingException; import javax.crypto.Cipher; import javax.crypto.IllegalBlockSizeException; import javax.crypto.NoSuchPaddingException; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; public class SecurityUtils { private static final String ALGORITHM = “AES”; private static … Read more
Take a peek at this modified version of your code. Note the following: Added hex_print (minor) Added proper sizing of key buffer (medium). Added proper sizing of output encryption buffer (which must be a block-size multiple, and if original source buffer is an exact block-size multiple, you still need one full block of padding (see … Read more
This works for decryption using javascript. <script src=”https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.9-1/aes.js”></script> var key = “2e35f242a46d67eeb74aabc37d5e5d05”; var data = CryptoJS.AES.encrypt(“Message”, key); // Encryption Part var decrypted = CryptoJS.AES.decrypt(data, key).toString(CryptoJS.enc.Utf8); // Message Guess I am a little late to the party.
PyCrypto should be the one for you. Edit 02/10/2020: unfortunately I cannot delete this post, since it’s the accepted answer. As people pointed out in the comments, this library is not mantained anymore and probably also vulnerable from a security point of view. So please, take a look to the below answers instead.
You don’t want to specify PKCS#7 padding for block cipher use. You want to specify PKCS#5 padding. PKCS#5 is specified for use with block ciphers while PKCS#7 is not (it’s use for different places like in S/MIME). I will point out that PKCS#5 and PKCS#7 actually specify exactly the same type of padding (they are … Read more
Java openssl encryption / decryption key generation [duplicate]
There seem to be two issues: CryptoJS is not using your variable as the key. As @Miguel-F mentioned, when you pass in a string, “it’s treated as a passphrase and used to derive [the] actual key and IV”. Both are randomly generated, which is why your encrypted result keeps changing. But more importantly, this means … Read more