I was writing this code to restore the user’s saved chrome passwords and display them on the console. I was able to decode Base64 encoded. But I am failing in decrying from this Crypt32Util.cryptUnprotectData any help … I am a beginner. 🙂 Main.java Output Answer decoder.decode() returns binary dat…
Tag: encryption
Decrypt using AES-256-ECB in Java
I have encrypted the string in PHP using AES-256-ECB. I would like to decrypt the same using Java/Scala? I am seeing the following error? how can we decrypt the same using Java? Note: (decryption in PHP is working as expected) but I want to do this in Java Answer The key has to be exactly 256 bit long. Clearl…
Parsing encrypted PKCS#8 encoded pem file programatically
I am having trouble figuring out how to properly read a private key of a pem file. I have gone through different topics on stackoverflow, but I couldn’t find the solution for it. What I want to achieve is reading an encrypted private key in pkcs#8 encoding file from a classpath and load it as a key-entr…
Getting BadPaddingException due to byte[] too long to decipher
The following code is tested for short strings, in that case it decrypts the string nicely. But if the string is too large I get fired the exception I mention. What could I do so it decrypts the string correctly maintaining the same large string to decrypt? Edit, well technically what’s decrypted is a b…
Encrypted (base64) password not storing in database hsql
I’m trying to simply store an base64 encripted password in database from an input in Java Web App. I’m using hsqldb for this and my password column type is varbinary(255). But when I try to store it in database I just get the error below. I even tried to change the type of the password column to B…
Decrypt a Java AES encoded String in Dart
I need to decrypt an AES (PKCS#7) encoded string in my Flutter mobile application. The string is got from a QR Code, which has been generated from a Java application and contains the AES encoded String. The Java encoding : Output : AIRTEuNmSuQtYuysv93w3w83kJJ6sg7kaU7XzA8xrAjOp-lKYPp1brtDAPbhSJmT The Dart deco…
How to easily encrypt and decrypt a String using Tink?
Until now, I was using jasypt to encrypt a string before storing it on disk on app closing, and later when opening the app for decrypt the string after retrieving it from disk. It was super easy with jasypt, this was the code: It worked perfectly, but now, jasypt is deprecated and I’m trying to migrate …
Spring Security: Simple Encryption / decryption not working: InvalidKeyException
I’m trying to write a very simple program to encrypt and decrypt a string: But for some reason I never get an encrypted value. When I call enryptor.encrypt() it never reaches that point. I’m getting the following exception: What am I doing wrong? Answer Ok, after hours of searching I finally found…
Cipher functions : WRONG FINAL BLOCK LENGTH Android Studio
There are a lot of threads on stack overflow with this topic, and always the same solutions, but these doesn’t work for me. I am looking for a way to decrypt the value byte[] encrypted and return byte[] decodedBytes. With the method AESCrypt. I use compile ‘com.scottyab:aescrypt:0.0.1’ With …
decode south african za-drivers-license
In reference to this discussion: Decode South African (ZA) Drivers License Please assist I seem to be getting an error trying to create PublicKey instance in Java on android. I have pasted the error below: Here is the code snippet: Answer The encoded public keys you’re trying to read are not of the form…