ATECC108-SSHDA-B

Product Overview

Category: Integrated Circuit (IC)

Use: Security and Authentication

Characteristics: - High-security cryptographic coprocessor - Hardware-based key storage and authentication - Secure boot and secure firmware update capabilities

Package: Surface Mount Device (SMD)

Essence: The ATECC108-SSHDA-B is a highly secure cryptographic coprocessor designed for applications that require robust security and authentication features.

Packaging/Quantity: The ATECC108-SSHDA-B is available in a surface mount device package. The quantity per package may vary depending on the supplier.

Specifications

The ATECC108-SSHDA-B offers the following specifications:

• Cryptographic Algorithm Support:
  • AES-128
  • SHA-256
  • HMAC-SHA-256
  • Elliptic Curve Cryptography (ECC)
• Key Storage Capacity: 16 keys
• Communication Interface: I2C
• Operating Voltage: 2.0V to 5.5V
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ATECC108-SSHDA-B has the following pin configuration:

1. VCC: Power supply input
2. SDA: I2C data line
3. SCL: I2C clock line
4. GND: Ground

Functional Features

The ATECC108-SSHDA-B offers the following functional features:

1. Secure Key Storage: The device securely stores cryptographic keys, protecting them from unauthorized access.
2. Authentication: It provides hardware-based authentication, ensuring the integrity and authenticity of connected devices or systems.
3. Secure Boot: The ATECC108-SSHDA-B supports secure boot functionality, preventing unauthorized firmware execution during system startup.
4. Secure Firmware Update: It enables secure over-the-air firmware updates, ensuring the integrity and confidentiality of the updated firmware.

Advantages and Disadvantages

Advantages: - High-security level due to hardware-based encryption - Robust key storage and authentication capabilities - Support for secure boot and firmware update features - Compact surface mount package for easy integration

Disadvantages: - Limited key storage capacity (16 keys) - Requires I2C communication interface

Working Principles

The ATECC108-SSHDA-B utilizes advanced cryptographic algorithms and hardware-based security mechanisms to ensure the confidentiality, integrity, and authenticity of data and devices. It securely stores cryptographic keys and performs cryptographic operations, such as encryption, decryption, and digital signatures, to protect sensitive information.

Detailed Application Field Plans

The ATECC108-SSHDA-B is widely used in various applications that require high-security levels and robust authentication. Some of the detailed application field plans include:

1. IoT Devices: The device can be integrated into IoT devices to provide secure communication, authentication, and firmware update capabilities.
2. Smart Home Systems: It can be utilized in smart home systems to ensure secure access control, device authentication, and data protection.
3. Industrial Automation: The ATECC108-SSHDA-B can be employed in industrial automation systems to safeguard critical infrastructure, prevent unauthorized access, and enable secure remote management.
4. Financial Transactions: It can be utilized in financial transaction systems to ensure secure authentication and protect sensitive financial data.

Detailed and Complete Alternative Models

Some alternative models to the ATECC108-SSHDA-B with similar functionalities and characteristics include:

1. ATECC508A-SSHDA-T: This model offers enhanced key storage capacity and additional cryptographic algorithm support.
2. ATECC608A-SSHDA-T: It provides increased key storage capacity, advanced cryptographic algorithms, and tamper-resistant features.
3. ATECC608B-SSHDA-T: This model offers improved security features, including secure boot and secure firmware update capabilities.

These alternative models provide a range of options to suit different security requirements and application needs.

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