ATECC108-SSHDA-B

Series:	CryptoAuthentication™
Packaging:	Tube
Part Status:	Obsolete
Type:	Authentication Chip
Applications:	Networking and Communications
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	ATECC108

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ATECC108-SSHDA-B application field and working principleThe ATECC108-SSHDA-B is a specialized integrated circuit (IC) commonly used in secure digital applications. It is manufactured by Microchip Technology and belongs to their ATSHA (Advanced Trusted Secure Hardware Authenticator) family.The ATECC108-SSHDA-B is a secure storage device that is used to store authentication credentials and other sensitive data. It is used in a variety of applications such as smart cards, digital signing, and secure communications. The device is based on a secure element and provides a secure connection to the application via an on-chip secure processor.The device is designed to be a secure element that securely stores and verifies the credentials stored on it and also provides secure communication within a host system. It implements the Secure Hash Algorithm (SHA) family of cryptographic algorithms for data protection, with additional support for the Advanced Encryption Standard (AES)-128 algorithm.The ATECC108-SSHDA-B authentication process involves a sequence of cryptographic operations to verify the stored credentials. First, the host system will send a challenge to the ATECC108-SSHDA-B. The ATECC108-SSHDA-B will then compute the SHA-256 hash of the secret key stored in its memory and compare it to the challenge provided by the host system. If the hash of the secret key matches the challenge, the ATECC108-SSHDA-B will generate a response which can be used as proof that the received challenge was authenticated.The ATECC108-SSHDA-B also provides on-chip hardware defenses to prevent attacks such as Side-Channel Analysis (SCA) and power glitching. It also contains its own memory integrity system which can detect any unauthorized tampering of the device.The ATECC108-SSHDA-B is an important device for secure digital applications. It provides an additional layer of security for authentication and data protection. Its on-chip hardware defenses, memory integrity systems and support for SHA-256 make it a secure and reliable solution for applications requiring secure authentication and data protection.

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