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Tag: encryption

JSchException: Algorithm negotiation fail

I am trying to connect to remote sftp server over ssh with JSch (0.1.44-1) but during session.connect(); I am getting this exception: Logs from JSch: I am able to log in to remote server with linux sftp command. I was trying to find any kind of clue in the internet but I failed. Debug output from linux sftp command: Answer

How to find out what algorithm [ encryption ] are supported by my JVM?

I am using Jasypt for encryption. This is my code: Uncomment the setAlgorithm line and it will throw an exception org.jasypt.exceptions.EncryptionOperationNotPossibleException: Encryption raised an excep tion. A possible cause is you are using strong encryption algorithms and you have not installed the Java Cryptography Ex tension (JCE) Unlimited Strength Jurisdiction Policy Files in this Java Virtual Machine api says: Sets

How to encrypt String in Java

What I need is to encrypt string which will show up in 2D barcode(PDF-417) so when someone get an idea to scan it will get nothing readable. Other requirements: should not be complicated it should not consist of RSA, PKI infrastructure, key pairs, etc. It must be simple enough to get rid of the people snooping around, and easy to

How do I use 3DES encryption/decryption in Java?

Every method I write to encode a string in Java using 3DES can’t be decrypted back to the original string. Does anyone have a simple code snippet that can just encode and then decode the string back to the original string? I know I’m making a very silly mistake somewhere in this code. Here’s what I’ve been working with so

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