ECC Encryption / Decryption

[Sanath Prasanna]

Tx Jsesper for your guidance. But still I cannot do that & error came for
below line
EncryptMsg = crypto:private_encrypt(rsa, Msg, ECPrivateKey, rsa_no_padding),
here attached sample file.

On Wed, May 5, 2021 at 7:39 PM Jesper Louis Andersen <
jesper.louis.andersen@REDACTED> wrote:

> 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
> do ECC.
>
> 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.
>> (ShaXxxx)
>> EncryptMsg = public_key:encrypt_private(Msg, ECPublicKey), (line 64)
>> Can you give some guide to over come this ?
>> br,
>> Robert
>>
>> 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>
>>> wrote:
>>>
>>>> Hi,
>>>> 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.
>>>
>>>
>>> --
>>> J.
>>>
>>
>
> --
> J.
>
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