74 questions
0
votes
1
answer
1k
views
Decryption error while Decrypt the symmetric key
I'm trying to use RSA algorithm and PKCS1Padding for encryption the given password but when cipher.doFinal() is called the BadPaddingException is thrown.
Here is the code :
String rsaKeyAlgorithm = &...
- 1,332
0
votes
0
answers
255
views
RSA decryption in Java is throwing BadPaddingException when encrypted in NodeJS (RSA/ECB/PKCS1PADDING)
RSA encryption with NodeJS and Decryption in Java throwing BadPaddingException.
I issue is I cannot touch Java code as it is legacy code written by another team.
The Java code is another server code ...
- 1
1
vote
1
answer
329
views
CipherInputStream gets BadPaddingException
Hope someone can see my issue. I'm trying to send encrypted data over the network using CipherOutputStream/CipherInputStream and keep on getting BadPaddingException. I use the same RSA keys for both ...
- 63
1
vote
0
answers
2k
views
Is there a way to generate same encrypted value while encrypting same text using aes 256?
I have a requirement of of encrypt and decrypt the text but each time the encryption value of same text should be generated same.
Suppose if I am encrypting a text "My Name is John". And ...
- 946
0
votes
0
answers
780
views
How to resolve BadPadding exception while RSA Signing?
I am trying to create a signed JWT , but when I try to sign he JWT I am getting the following exception,
Caused by: javax.crypto.BadPaddingException: RSA private key operation failed
at sun....
- 85
2
votes
1
answer
297
views
SOAP encryption - javax.crypto.BadPaddingException: unknown block type
I am trying to sign and encrypt the SOAP message, but I am getting this error -
The signature or decryption was invalid; nested exception is:
javax.crypto.BadPaddingException: unknown block type
Since ...
1
vote
2
answers
903
views
Java BadPaddingException when verifying data signed on a JavaCard
I'm signing some data on a JavaCard with a cipher, then outputting it into a text file, reading it into a java program and trying to verify it. I keep getting a BadPaddingException.
I'm signing it ...
- 119
0
votes
0
answers
928
views
javax.crypto.BadPaddingException: Decryption Error - Not able to decrypt multiple blocks from file
Hoping somebody can point me in the right direction here.
I'm not particularly familiar with encryption (in Java or otherwise), but I said that I'd help somebody out with a task they have that ...
- 596
0
votes
0
answers
278
views
BadPaddingException when decrypting JSON data with encrypted values
I have a third party API where I have to send data in JSON in encrypted form. The data in JSON looks like this:
{
"encryptedKey": "rltP+oNBMx26wSpmvKZ91iL=",
"...
- 11
0
votes
0
answers
349
views
Given final block not properly padded in AES Decryption
I want to do encryption in Javascript and decrypt it in Java but it kept getting me bad padding exception. I have no idea what to do.
Here's the code
key: string;
iv:string
keySize:256
...
- 25
0
votes
1
answer
158
views
BadPaddingException in RSA Encrryption
I got a BadPaddingException in my RSA Encryption Program.
I dont know why it occurs though.
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
...
1
vote
1
answer
592
views
I am getting BadPaddingException while decrypting an 128 bit AES key which has been encoded by using RSA generated public key(.jks)
package demo123;
import java.io.File;
import java.io.FileInputStream;
import java.nio.file.Files;
import java.security.Key;
import java.security.KeyFactory;
import java.security.KeyPair;
import java....
- 13
2
votes
0
answers
10k
views
How to fix javax.crypto.BadPaddingException: Decryption error in Java
I am trying to make a Server/Client Echo program with encryption.
By looking for a bit I found this post which had an answer with simple step by step guide on what needs to be done to encrypt ...
- 71
1
vote
0
answers
168
views
RSA Decryption JAVA BadPadding
I am trying to integrate an API where I have to send the data in RSA encrypted and BASE64 encoded form. In response I get a BASE64 String which is supposed to be decoded and decrypted at my end. I am ...
- 53
2
votes
1
answer
4k
views
BadPaddingException: mac check in GCM failed
I am trying to encrypt/decrypt using AES-GCM and JDK 1.8 CipherOutputStream, But getting BadPaddingException during decryption. I am using same IV and secret key during encryption and decryption, but ...
- 188
1
vote
0
answers
428
views
Android javax.crypto.BadPaddingException pad block corrupted on android 7 and 8
I see some exceptions in production which only happens with some particular users (10 users for last month from 100 000+ active users per month)
My encrypt and decrypt methods uses the same ...
- 2,365
8
votes
2
answers
12k
views
Getting "Cause: failed to decrypt safe contents entry: javax.crypto.BadPaddingException: Given final block not properly padded"
I am trying to test out LibGDX development, and I am getting an error trying to get even the most basic app to run on my android phone, because there is some problem with my keystore or in how it's ...
- 7,075
0
votes
1
answer
2k
views
Spring Boot cipher BadPaddingException: Decryption error
I am following an article here, where it described how to use a cipher to encrypt spring boot application properties.
So based on the instruction, I downloaded and placed the JCE Java Cryptography ...
- 495
1
vote
2
answers
359
views
Cipher decryption / encryption changing results
I'm reverse engineering some code which is decrypting data, hoping I'll be able to encrypt it back and obtain the same data it started with, for reasons that would make this question too long and off-...
- 10.5k
0
votes
0
answers
168
views
BadPaddingException when trying to decrypt Fingerprint
I'm trying to encrypt multiple byte arrays from a file via socket. Encrypt procedure works fine, but decrypt procedure throws BadPaddingException: invalid argument. After I read, I understood that the ...
- 46
1
vote
2
answers
1k
views
'javax.crypto.BadPaddingException' while using cipherInputStream
I'm writing a program to encrypt and decrypt data.
for encrypting,
I created a symmetric key using keyGenerator.
I transferred the key to the cipher, and created a string version of the key:
String ...
- 135
2
votes
1
answer
2k
views
RSA OAEP, Golang Encrypt, Java Decrypt -BadPaddingException: Decryption error
I'm trying to decrypt a string which is encrypted in Golang using RSA-OAEP. but getting BadPaddingException: Decryption error. Having hard time to figure out what am I missing..
Here is the Golang ...
2
votes
1
answer
1k
views
BadPadding: Encryption Error when I decrypt my encrypted string at java
I use SwiftyRSA to encrypt string with public key with PKCS1 padding. Unfortunately, I've found BadPadding: Encryption Error when I decrypt my encrypted string at Java. So far, I found Java use Mode ...
- 13.7k
0
votes
1
answer
1k
views
AES encryption-decryption issue: padding is invalid and cannot be removed
I am facing the AES padding issue.
i am using the codes suggested in (generate a 128-bit string in C#) by Alcides Soares FIlho.
Please note that my encryption side code is ...
private string ...
- 11
0
votes
1
answer
435
views
Java: Not Catching deliberate BadPaddingException
My app prompts the user for the password that was used to encrypt a control file. If the wrong password is entered, the app responds by creating a new control file. Therefore I need to catch a ...
- 33
0
votes
0
answers
2k
views
RSA decypt failed, javax.crypto.BadPaddingException: Decryption error
I used bouncycastle to decrypt RSA encrypted string, and the data is encoded in Base64, but when I javac Decrypt.java and java Decrypt, it shows an error said "avax.crypto.BadPaddingException: ...
- 21
0
votes
1
answer
2k
views
Java AES-256-CBC not working as expected
Created a new class to test something with AES in CBC and CTR mode. So with this code, CTR is working fine, but CBC returns empty arrays. Not sure why this happens, hope somebody can explain that.
...
- 37
1
vote
1
answer
3k
views
BadPaddingException: Decryption error when trying to decrypt a byte array?
public static String decrypt(byte[] text, PrivateKey key) {
byte[] decryptedText = null;
try {
final Cipher cipher = Cipher.getInstance("RSA");
cipher.init(Cipher.DECRYPT_MODE, ...
- 13
0
votes
1
answer
838
views
RSA Bad Padding Exception
I am trying to RSA encrypt data on Android and send it to server(spring).
getting BadPaddingException :
Approach:
server send public key in a string, which i convert to PublicKey Object and send ...
- 70
2
votes
1
answer
221
views
ASUS zenfone5 t00j AES 256 decryption issue
I am working on mobile application and client side we are using JavaScript (kony) at server side its java. This is working fine for all other device except intel chipset devices (ASUS Zenfone). PFB ...
- 921
0
votes
2
answers
594
views
Invalid Key Exception
I am retrieving a text password as input from a file and applying AES encryption over that and later on, decrypting that.
When I did it for the first time, every 4 out of 5 times it was running ...
- 51
2
votes
1
answer
4k
views
Bad Padding Exception while using AES encryption
I am working on AES encryption for my project. I decided to do File Encryption
When i execute encryption and decryption in same function ,it runs without any flaw.But when i do it separately, ...
- 23
0
votes
1
answer
3k
views
BadPaddingException: Given final block not properly padded due to different java version
I java 8 installed on client side where I am encrypting my data file using the below technique
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.ENCRYPT_MODE, key);
...
- 117
6
votes
1
answer
3k
views
Android cipher.doFinal got BadPaddingException when try to decrypt after reopen app
Question may be long but I will try to describe it in detail.
Here is a demo has issue like mine.
I have an android app and I want to add a function, which allow user to encrypt and save their ...
- 667
8
votes
0
answers
17k
views
android 6.0 javax.crypto.BadPaddingException: error:1e000065:Cipher functions:OPENSSL_internal:BAD_DECRYPT
this code works well before android 6.0, but get an error on 6.0 if encrypted file size less than about 1k bytes.
public static byte[] decode(byte[] decrypteSrcBuffer) throws Exception {
Key ...
- 91
0
votes
1
answer
367
views
Can't overcome the javax.crypto.BadPaddingException
I'm writing a steganography system which encrypt a text within an image - i decided that i want to encrypt the text as well before i embed it in the picture. The Steganography algorithm works with ...
- 15
1
vote
2
answers
16k
views
javax.crypto.BadPaddingException: Given final block not properly padded...tried using getbytes("UTF")
I have tried adding getbytes("UTF") or getbytes("UTF-8"), since it was suggested in a similar question.
It said we need to try UTF while converting bytes to string and vice a versa.
But still it is ...
- 23
2
votes
2
answers
301
views
BadPaddingException and some files stuck at 99%
I've tried to gather all possible information about Encryption/Decryption from here. Tinkered with it, some success and failures.
But now I've applied the code and its hit and a miss too. Some files (...
- 97
0
votes
1
answer
938
views
Padding exception in java 7:Caused by: javax.crypto.BadPaddingException: Given final block not properly padded
Hi I am using tripedes key to read from input stream and write to output stream.
Getting this execption in java7/8:Caused by: javax.crypto.BadPaddingException: Given final block not properly padded
...
- 907
0
votes
0
answers
471
views
Java sign pdf keystore.load throws javax.crypto.BadPaddingException
I used the following code that I found on this page to sign PDFs with a *.p12 file.
public static final boolean signPdf()
throws IOException, DocumentException, Exception
{
// Vous devez ...
- 1
0
votes
1
answer
709
views
Losing bytes at the end when using chunked decryption in Android
First I created a little encryption/decryption program in Java/Android. Nothing special about this just really basic, so no buffers or anything. Used an Iv and Salt there I write the salt and the iv ...
- 3
1
vote
0
answers
303
views
"javax.crypto.BadPaddingException: pad block corrupted" exception during decryption [duplicate]
I am working on an existing app, coming to it having not written it.
I get this exception (javax.crypto.BadPaddingException: pad block corrupted) during decryption of a username and password in this ...
- 12.4k
1
vote
2
answers
2k
views
AES File decrypting “given final block not properly padded”
I want to encrypt and then decrypt file use AES. I have read many topics about error "Given final block not properly padded". But i don't find solution for me.
Sorry about specify the language of my ...
- 55
5
votes
2
answers
12k
views
BadPaddingException when decrypting AES with the same key
This is the tester:
public class CryptographySimpleTests extends ActivityTestCase
{
public void testsCryptographyClass_encryptAndDecrypt()
{
final String orgVal = "hi world! :...
- 97
0
votes
1
answer
3k
views
java - RSA BadPaddingException when trying to decrypt an int
I know similar questions have been asked before, but I can't find an answer specific to my problem. I am trying to use RSA encryption to take an image with encrypted pixels and decrypt it using the ...
- 29
0
votes
0
answers
770
views
Exception during RSA decrypt: javax.crypto.BadPaddingException: Data must start with zero
I'm trying to decrypt a password in RSA format, but it's returning exception
Caused by: javax.crypto.BadPaddingException: Data must start with zero
at sun.security.rsa.RSAPadding.unpadV15(...
0
votes
1
answer
453
views
Given final block not properly padded(BadPaddingException)
I am using the ftpclient for java in which i want to encrypt a file and decrypt it back again.
The encryption was done successfully using the below code:
String s= EnumerationsQms.ReturnStatus....
- 115
0
votes
2
answers
34k
views
Padding Exception: Given final block not properly padded
I am trying to encrypt and decrypt my file in which all my passwords are stored using AES.
The algorithm works fine on encryption part. But while decryption it throws the error
Message:Given final ...
- 86
0
votes
0
answers
476
views
javax.crypto.BadPaddingException Decryption error when trying to use HttpURLConnection on https URL
I'm trying to use webservice from java application. The webservice site is served through https.
I write this code, but javax.crypto.BadPaddingException Decryption error is appearing.
try{
URL ...
- 9
0
votes
1
answer
73
views
Encrypt a file appending IVSBytes in unique file - Execption: Given final block not properly padded
I'm trying to encrypt a file using AES with a SHA-256 Key.
When I generate the IVs I preppend it at the beggining of the encrypted file, and append the rest.
When I recover the IV's and compare it (...
- 1,205