If you have already reviewed our Trust&GO and TrustFLEX options and determined that you need more customization for your secure element, then the TrustCUSTOM platform is the best choice. It enables you to implement and fully customize secure key storage in your design. You will start with a blank ATECC608B-TCSM or ATSHA204A-TCSM secure element and use our tools to configure it to meet your specific security authentication requirements. At the end of the process, you will be able to order your devices and securely provision them by leveraging our Hardware Secure Modules (HSMs) that are installed in our secure factories.
If you need extra help, choose from one of our recommended design partners to assist with your customization.
|Product||Provisioning||Algorithm Type||Density||Interface Type||Temp (C)|
|ATECC608B-TCSM||TrustCUSTOM||ECC-P256 (ECDH and ECDSA), SHA256, AES128-GCM||10.5Kb||Single-wire; I2C||-40 to 85|
|ATECC608B-TFLXTLS||TrustFLEX||ECC P256 (ECDH and ECDSA), SHA256, AES-GCM||10.5Kb||Single-wire; I2C||-40 to 85|
|ATECC608B-TNGTLS||Trust&GO||ECC-P256 (ECDH and ECDSA), SHA256, AES128-GCM||10.5Kb||Single-wire; I2C||-40 to 85|
|ATSHA204A-TCSM||TrustCUSTOM||SHA256||4.5Kb||Single-wire; I2C||-40 to 85|
Credentials: Identity verification tools or methods that include X.509 certificates, generic certificates for thumbprint authentication, keys and data packets
Customization: The action of creating a unique device/system through its configuration and set of secrets
Firmware Verification: When a key and cryptographic operation are used to verify a signed image on a device at boot up or during run time
IP Protection: When a key and a cryptographic operation are used to verify signed (or hashed) firmware that is considered Intellectual Property (IP) of a product
Key(s): A set of binary numbers that is used to trigger a cryptographic algorithm that implements asymmetric or symmetric encryption
Over-the-Air (OTA) Verification: When a key and a cryptographic operation are used to verify a signed image that has been loaded into a connected device by a push notification from a cloud service
PKI: Public Key Infrastructure
Provisioning: The action of generating a credential into an embedded storage area
Thumbprint Certificate: An X.509 certificate not issued by a certificate authority that is used for authentication to the cloud
Q: How can I get started with the Trust Platform?
A: Use the “Let Us Guide You to the Right Option” on the Trust Platform page, which will help you take the first step. You will find additional information about getting started with Trust&GO, TrustFLEX and TrustCUSTOM on their pages.
Q: I am a distribution partner. How do I enroll in the Trust Platform program?
A: Contact your local Microchip sales office to request assistance with joining the program.
Q: Do I need to contact Microchip to provision my Trust&GO secure element?
A: No. When you buy the device, it is already provisioned with keys and certificates specific to the use case you have selected that are locked inside the device. Trust&GO cannot be altered and is intended to be used as is.
Q: Where can I obtain the public keys and certificates for my Trust&GO device?
A: Log into your customer account at the ecommerce website where you purchased the device after device shipment, and you should be able to download a manifest file containing all the necessary public keys and certificates. Contact the vendor if you have any trouble finding this file.
Q: Do I need to contact Microchip to provision my TrustFLEX secure elements?
A: Yes. When you buy the device, it comes pre-configured with your selected use case(s). By default, the TrustFLEX device also come with keys and generic certificates for thumbprint authentication that are overwritable internally if you have not already locked them using the lock bit. While the configuration cannot be altered, the default credentials can be changed if you have not already locked them. If you decide to use the default credentials, you will have to lock them after receiving the device. If you don’t want to use the default credentials, you can replace them with yours and then lock them. After you have made your decision, create the secret packet exchange, encrypt it and upload it into a support ticket on Microchip’s technical support portal. We will provision your devices and ship them according to your instructions.
Q: Where can I obtain the public keys and certificates for my TrustFLEX device when I use the default credentials?
A: Log into your customer account at the ecommerce website where you purchased the device after device shipment, and you should be able to download a manifest file containing all the necessary public keys and certificates. Contact the vendor if you have any trouble finding this file. WARNING: If you have overwritten the default credentials in your device, the manifest file will no longer be compatible with the device’s new credentials.
Q: Do I need to contact Microchip to provision my TrustCUSTOM secure element?
A: Yes. When you buy the device, it will be blank. You will need to use the TrustCUSTOM configurator, which is available under Non-Disclosure Agreement (NDA) to define the configuration, create the secret packet exchange, encrypt it and upload it into a support ticket on Microchip’s technical support portal. We will provision your devices and ship them according to your instructions.
Q: Where can I obtain the secret packet exchange for my TrustCUSTOM device?
A: This utility is only available through a Non-Disclosure Agreement (NDA). Contact your local Microchip sales office or distributor to request it.
Q: Where can I get the full data sheet for my TrustCUSTOM device?
A: This document is only available through a Non-Discloser Agreement (NDA). Contact your local Microchip sales office or distributor to request it.
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