How to solve the NoSuchAlgorithmException in java?

Question

I am trying to decrypt the data using RSA Algorithm. While doing the decryption, I am getting an exception.That is,

java.security.NoSuchAlgorithmException: Cannot find any provider supporting RSA/ECB/PKCS5Padding
        at javax.crypto.Cipher.getInstance(DashoA13*..)

How to solve this exception? Currently, I am using java version "1.6.0_26".

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– President James K. Polk, Commented Sep 26, 2012 at 1:12

Community · Accepted Answer · 2017-05-23 12:18:48Z

1

It's a typo. The correct name for RSA with PKCS #1 v1.5 padding is "RSA/ECB/PKCS1Padding". Generally, it is a good idea to compare with a list of available algorithms. E.g. this question contains some ways to print such a list.

(And of course using OAEP instead of v1.5 padding would be preferable, especially if your main field is not cryptography).

edited May 23, 2017 at 12:18

CommunityBot

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answered Sep 25, 2012 at 9:06

Jack

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Timo Hahn · Accepted Answer · 2012-09-25 06:42:03Z

0

The error means that the library you use cna't decrypt the data because there isn't an algorithm in the Lib which decrypts RSA. You can use a library like Bouncy Calste or GNU Crypto to decrypt data using RSA. There are plenty of samples how to do this on the web.

answered Sep 25, 2012 at 6:42

Timo Hahn

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