client side encrypt, server side decrypt node.js ursa about jsencrypt HOT 6 CLOSED

I had the same issue.
Setting the correct padding type for decryption fixed it for me:
Use ursa.RSA_PKCS1_PADDING with key.decrypt(buf, bufEncoding, outEncoding, padding)

msg = key.decrypt(msg, 'base64', 'utf8');

becomes

msg = key.decrypt(msg, 'base64', 'utf8', ursa.RSA_PKCS1_PADDING);

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I have also experienced similar problems, the library can not support RSA_OAEP_PADDING it?

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I had the same problem. My client was an android app. I was encrypting in android and decrypting it in node using ursa. i tried ursa.RSA_PKCS1_PADDING and ursa.RSA_PKCS1_OAEP_PADDING. I tried changing the padding type in android as well which did not work. As it turned out, android was not using any padding and by default ursa was checking for padding. After going through the ursa library, I found that you can even use ursa.RSA_NO_PADDING which did the trick. Dunno if this is still useful to you. But this thread is what led me to my solution. So thanks a lot!

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no need to use ursa module anymore, just node crypto module!

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I had the same problem. How to set the padding type?

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https://www.npmjs.com/package/jsdecrypt

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