I’m trying to encrypt some of my passwords using the XOR encryption algorithm. I tested it on CyberChef but I don’t know how to convert it from PHP. I look forward to helping. Thanks a lot. XOR HEX string 32 Answer It helps to start with the basic data structures involved. Your objective is to use…
Tag: encryption
Convert php decryption function to C# responds differently result
I created a service that encrypts and stores keys using PHP. The Service returns an encrypted response to the client. The client program will need to decrypt the encrypted data. But the decrypt function I wrote in PHP responds differently in C#. So my php Function: It returns: Now I have converted the above f…
How to decode a string in base64 with php
Hello i’m trying to decrypt a base64 string with php and i can’t figure it out. I am able to decrypt it with JavaScript using CryptoJS with the code below What is the equivalent of this code in PHP? Answer To decode and decode from base64 a string can use base64_encode() : and now to decode: Now c…
PHP / Javascript AES 128 CFB Encryption / Decryption CryptoJS OpenSSL
Working Decryption in PHP Will output “Decrypted Message” I’m trying to replicate it in Javascript I get an empty response, any help would be appreciated as to where I’ve gone wrong. Thanks Answer CFB is a stream cipher mode, i.e. does not use padding. In a mode with padding, the ciphe…
how to descrypt an aes encryption from flutter in php
In my flutter app am using an encryption package called encrypt . and am able to encrypt my chat messages using this code but the problem is that the encrypted part will be stored in mysql database and flutter local database (sqflite) too and when i want to build a website for the app using php mysql html css…
Check with PHP if a file is encrypted
I have a form that uploads a file via PHP to my server. For security I analyze these files with ClamAV, however, encrypted files (eg.: zip with password, pdf with password) cannot be analyzed. I tried via fopen to see if there was any error reading the file, but it reads the file normally, displaying the encr…
PHP OpenSSL encrypt with DES-ECB algorithm unexpected output
I’ve tried to encrypt the value with DES-ECB via PHP 7.4 (Laravel) and OpenSSL, and I try the online tool https://emvlab.org/descalc/ to encrypt value, the result was the expected. key: 96187BBAB2BD19ACF899B74FB4E37972 Input Data: F01DCCE40F8C365ADE0A7DC03BC11DDE The encrypted data is 355A627E977D8ECF49…
How to properly call openssl_decrypt method if I have base64 string which contains from IV and encrypted data?
I have code in C# which encrypts and decrypts string: If you check Decrypt(byte[] buffer), I take first 16 bytes which is IV. Now I similar want to implement in PHP (imagine, that I will encode on C# side and send it to server which runs on php, where I want to decrypt it back). As the param to my
C# RSA Encrpytion -> Laravel phpseclib decrypt()
I’m using a key pair generated by phpseclib and then I use it to encrypt in C# a message and decrypt in PHP. The public key is: The conversion to XML is done via https://superdry.apphb.com/tools/online-rsa-key-converter Here is how the message is encrypted in C#: What is sent (encrypted message) by C# t…
Decrypt aes-256-cbc encoded file with iv = 0
I have an input.DAT file that is encrypted with aes-256-cbd method. I want to decrypt the file using php. When I execute the following command from command line, the file is decrypted successfully. But when I try to use php for decrypting the file using the method openssl_decrypt($data, AES_256_CBC, $encrypti…