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Question regarding ECC

Printed From: TMS Software
Category: VCL Components
Forum Name: VCL / FMX Cryptography Pack
Forum Discription:
URL: http://www.tmssoftware.com/site/forum/forum_posts.asp?TID=12904
Printed Date: 12 Dec 2019 at 5:08am


Topic: Question regarding ECC
Posted By: Schumann Michael
Subject: Question regarding ECC
Date Posted: 21 Jan 2019 at 4:19pm
Is it true that ECC encryption may deliver different encrypted results for the same Cleartext/Public-Key combinations although they are always correctly decrypted with the correct Public/Private keypair?



Replies:
Posted By: Marion Candau
Date Posted: 21 Jan 2019 at 4:34pm
Yes, Elliptic Curve Integrated Encryption Scheme (ECIES) algorithm generates a random number for encryption. https://en.wikipedia.org/wiki/Integrated_Encryption_Scheme


Posted By: Schumann Michael
Date Posted: 22 Jan 2019 at 12:49pm
Thanks for the explanation! A cool feature making things even more secure if I encrypt short information like sex in a database which would be easy to guess if the result is always the same given the same key.



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