Too much data for RSA block fail. What is PKCS#7?

Question

Talking about javax.crypto.Cipher

I was trying to encrypt data using Cipher.getInstance(\"RSA/None/NoPadding\", \"BC\") but I got the excep

Answer 1

This error indicates that the input data size is greater than the key modulus size. You will need a bigger key size to encrypt the data. If changing the key length is not an option, alternatively you may need to investigate if you are really expecting that big input data.