Tag: base64

Base 64 decode to String not as expected

I have a String that I want to decode to a binary object (BigInteger or its String) Say for instance I got the String An now I want to decode it using the Base64.getDecoder() method, such as: According to that, the value of result is 1011010011000100110000001100010011000000110000001100010011000100110000001100…

Java Base64 encoding loss of data

base64 binary-data byte encode java

say I have the following snippet, where certificate is a java Certificate object: Is there any chance data will not be equal to newData? basically, is there loss of information to string and then back? Thanks Answer Assuming nothing explodes due to out-of-memory errors or similar general problems, this code s…

java.lang.IllegalArgumentException: Illegal base64 character 5b

base64 decoding java

I am getting token from Keycloak And here is the method Which throwing the error com.comptel.cip.ff.accessmanagement.mediators.KeycloakTokenValidate_Mediator Exception is java.lang.IllegalArgumentException: Illegal base64 character 5b and stack trace java.lang.IllegalArgumentException: Illegal base64 characte…

SonarCloud code smell when I convert byte[] to String with String constructor

base64 java

This is my function that decodes a JWT Object to String: SonarCloud detect a code smell when I convert base64Url.decode(base64EncodedBody), that is a byte[], on a String. This is the issue: Constructors should not be used to instantiate “String”, “BigInteger”, “BigDecimal” …

IllegalArgumentException in maven-resources-plugin during deploy goal

base64 java maven-resources-plugin spring-boot

I am trying to build my spring-boot application using maven using below command. mvn -X -Dmaven.test.skip=true deploy During this step, maven-resources-plugin tries to copy my application.yaml file to my targetclasses folder. And this fails with an IllegalArgumentException. Relevant part of the stack trace. A…

Convert a bit to Base64 character

base64 java

I need to convert a binary String (“110100”, 52 in decimal) to its corresponding Base64 character, that I know is “0”. Is any way in Java to do that? I was reading multiple base 64 guides but I cant reach the answer. For clarification, the conversion table is here: https://www.lifewire…

How can i get pdf files from FTP server as base64 encoding format on Java spring mvc project?

base64 encoding java spring-mvc

I’m trying getting files from FTP server on Java spring mvc project. I’m study on windows but my tomcat server is in linux machine. Following code returns base64 encoding files and created base64 url for front end side and this files temporarily held. This code works fine windows but works bad on …

Encrypted (base64) password not storing in database hsql

base64 encryption hsqldb java

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…

Jackson encode all properties to base64

base64 jackson java json

I have more than one class that I want to serialize using Jackson to generate Json, for example I need to encode all value of the json to base64, so I configure the object mapper like this The problem is it’s only encode the String type as the serializer only accept one type, is there any method to enco…

RSA Encryption disparity between Android and Java environments

android base64 encryption java rsa

Firstly, apologies for the amount of code I’m about to post. I’m trying to use the RSA public key from my Java application to encrypt a message in an Android app, and then send the ciphertext back to a Java environment for decryption, but upon attempting to decrypt I always get this error: The cip…