Attaching the keys from the picture:
7.1.2.1 P-256 Data Set 1
Private A: 3f49f6d4 a3c55f38 74c9b3e3 d2103f50 4aff607b eb40b799 5899b8a6 cd3c1abd
Private B: 55188b3d 32f6bb9a 900afcfb eed4e72a 59cb9ac2 f19d7cfb 6b4fdd49 f47fc5fd
Public A(x): 20b003d2 f297be2c 5e2c83a7 e9f9a5b9 eff49111 acf4fddb cc030148 0e359de6
Public A(y): dc809c49 652aeb6d 63329abf 5a52155c 766345c2 8fed3024 741c8ed0 1589d28b
Public B(x): 1ea1f0f0 1faf1d96 09592284 f19e4c00 47b58afd 8615a69f 559077b2 2faaa190
Public B(y): 4c55f33e 429dad37 7356703a 9ab85160 472d1130 e28e3676 5f89aff9 15b1214a
DHKey: ec0234a3 57c8ad05 341010a6 0a397d9b 99796b13 b4f866f1 868d34f3 73bfa698

пн, 22 черв. 2020 о 16:33 <mbed-tls-request@lists.trustedfirmware.org> пише:
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Today's Topics:

   1. ECDH set custom private key (Oleksandr Nychyporuk)


----------------------------------------------------------------------

Message: 1
Date: Mon, 22 Jun 2020 16:33:15 +0300
From: Oleksandr Nychyporuk <olexandr.nychyporuk@gmail.com>
To: mbed-tls@lists.trustedfirmware.org
Subject: [mbed-tls] ECDH set custom private key
Message-ID:
        <CAAjyQQ4kQ8J-iVSV_yputKD83G9Aj65fYEWJ=ObPTeptXogghw@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi,

I wanna configure the ECDH algorithm to repeat the following keys:
[image: image.png]

I was able to configure the algorithm, generate private and public keys on
both: client and server sides. And it works as expected. The secret keys
are equal on both sides.
But I did not manage to calculate the secret key that is on the picture. I
do not know how to set these private keys. Could someone help me to do that?

Thanks,
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