Kentaro Mitsuyasu – Medium

Kentaro Mitsuyasu

straightforward way of I2S driver setup for raspberry pi zero 2

I wrote an article about DIY audio codec for Raspberry pi.

Oct 30, 2024

Oct 30, 2024

Published in
kmitsu IoT security tech note

Basics for NXP SE050 Secure element

about NXP SE050 secure element

Feb 10, 2023

Basics for NXP SE050 Secure element

Feb 10, 2023

Published in
kmitsu IoT security tech note

Private key protection hardened WireGuard implementation

Abstract

Feb 5, 2023

Private key protection hardened WireGuard implementation

Feb 5, 2023

Performance comparison for Secure Element of IoT

Introduction:

Apr 30, 2022

Performance comparison for Secure Element of IoT

Apr 30, 2022

building secure prototyping environment for the ESP32

Io

Jan 4, 2021

building secure prototyping environment for the ESP32

Jan 4, 2021

Creating an audio input/output board for Raspberry Pi, Jetson Nano (AK4558EN tune-up)

I want to tune the AK4558EN codec board I created last time so that it can be widely used for music listening applications.

Sep 4, 2020

Creating an audio input/output board for Raspberry Pi, Jetson Nano (AK4558EN tune-up)

Sep 4, 2020

Creation of audio input/output board for Raspberry Pi, Jetson Nano (AK4558EN)

I would like to improve the specifications of the codec board I created last time and use Asahi Kasei’s AK4558EN. The AK4558EN has a high…

Aug 23, 2020

Creation of audio input/output board for Raspberry Pi, Jetson Nano (AK4558EN)

Aug 23, 2020

Creating an audio input/output board for Raspberry Pi, Jetson Nano (audio input noise…

Continue to connect the codec board created last time to the Raspberry pi and Jetson Nano and verify.

Aug 23, 2020

Creating an audio input/output board for Raspberry Pi, Jetson Nano (audio input noise…

Aug 23, 2020

Creating an audio input/output board for Raspberry Pi, Jetson Nano (porting trouble to Jetson Nano)

I want to connect the codec board I created last time to the Jetson Nano to output sound.

Aug 23, 2020

Creating an audio input/output board for Raspberry Pi, Jetson Nano (porting trouble to Jetson Nano)

Aug 23, 2020

Creating an audio input/output board for Raspberry Pi, Jetson Nano (PCM5102A+PCM1808)

Trigger

Aug 15, 2020

Creating an audio input/output board for Raspberry Pi, Jetson Nano (PCM5102A+PCM1808)

Aug 15, 2020

Published in
kmitsu IoT security tech note

Testing IoT communication using the hardware root of trust (ATECC608A basics)

Synopsis

Apr 3, 2020

Testing IoT communication using the hardware root of trust (ATECC608A basics)

Apr 3, 2020

Published in
kmitsu IoT security tech note

Testing IoT communication using the hardware root of trust (Environment construction)

Setup

Apr 3, 2020

Testing IoT communication using the hardware root of trust (Environment construction)

Apr 3, 2020

Published in
kmitsu IoT security tech note

Testing IoT communication using the root of hardware trust (hardware support function)

Synopsis

Apr 2, 2020

Testing IoT communication using the root of hardware trust (hardware support function)

Apr 2, 2020

Published in
kmitsu IoT security tech note

Testing IoT communication using the hardware root of trust (investigating cloud connectivity)

How to connect securely to the cloud

Apr 2, 2020

Testing IoT communication using the hardware root of trust (investigating cloud connectivity)

Apr 2, 2020

Published in
kmitsu IoT security tech note

Install OpenSSL1.1.1 and Mosquitto1.6 on CentOS7

Introduction

Apr 2, 2020

Install OpenSSL1.1.1 and Mosquitto1.6 on CentOS7

Apr 2, 2020

Published in
kmitsu IoT security tech note

Verification analysis of root CA and intermediate CA

Introduction

Apr 1, 2020

Verification analysis of root CA and intermediate CA

Apr 1, 2020

Published in
kmitsu IoT security tech note

Review of OpenSSL ECDSA signature verification mechanism

Introduction

Apr 1, 2020

Review of OpenSSL ECDSA signature verification mechanism

Apr 1, 2020

Published in
kmitsu IoT security tech note

Creating a self-certification authority with OpenSSL ECDSA

Introduction

Apr 1, 2020

Creating a self-certification authority with OpenSSL ECDSA

Apr 1, 2020

Kentaro Mitsuyasu

Kentaro Mitsuyasu

I work for a security and Linux company, and this blog summarizes some of the technologies I’ve been interested in recently. I like music, trivia, travel.etc.

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