ECC Encryption / Decryption
Jesper Louis Andersen
Wed May 5 16:09:19 CEST 2021
One particular problem is that `public_key:encrypt_private` is the RSA
algorithm, and not ECC. You need `crypto:private_encrypt/4` if you want to
On Wed, May 5, 2021 at 4:38 AM Sanath Prasanna <ahe.sanath@REDACTED> wrote:
> Tx Jesper for your kind response. Here attached my sample test file &
> following one is not working. That is the expected other Encoding scheme.
> EncryptMsg = public_key:encrypt_private(Msg, ECPublicKey), (line 64)
> Can you give some guide to over come this ?
> On Tue, May 4, 2021 at 8:48 PM Jesper Louis Andersen <
> jesper.louis.andersen@REDACTED> wrote:
>> On Sun, May 2, 2021 at 1:33 PM Sanath Prasanna <ahe.sanath@REDACTED>
>>> I want to encrypt a text message using ECC & need to decrypt. Can
>>> someone give me a sample for that process ?
>> You will probably have to give more information.
>> There are several different types of ECC methods, and inside these, there
>> are a couple of different elliptic curves you can choose from, and some of
>> them are standardized requirements for certain applications.
>> Furthermore, ECC is often used as a tool in a larger toolbox. It's used
>> to agree on a (shared) secret key for an underlying block or stream cipher,
>> and in some situations also for agreeing on message authentication (which
>> protects the message integrity against tampering).
>> Getting this toolbox / tooling construction wrong can result in the
>> proposed solution being insecure, so beware.
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