How to store and compare encrypted string generated using asymmetric algorithm?

Question

1.00/5 (1 vote)

See more:

I would like to store encrypted string generated by RSA algorithm in database. As far as i know due to random padding rsa will generate different encrypted string every time for same plain text. Is there any way to store and compare these values in c# and sql?

What I have tried:

I am using default rsacryptoserviceprovider class encrypt decrypt methods.

Posted 5-May-17 18:48pm

ravikhoda

Updated 5-May-17 19:45pm

Add a Solution

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

OriginalGriff · Answer 1 · 2017-05-05T19:45:00

Solution 1

Decrypt it. Unless you know which bits are the random padding, you can't compare them - and you don't!

Posted 5-May-17 19:45pm

OriginalGriff