atecc508a v0.2.1 ATECC508A View Source

The ATECC508A is an authentication device used for storing private keys and other data securely.

Link to this section Summary

Types

cert_serial_number()

ATECC508A compressed certificates have 16-byte serial numbers

compressed_cert()

Microchip P256 compressed certificate

crc16()

A CRC16 as computed by the ATECC508A

ecc_public_key()

An ECC P256 public key

encoded_dates()

ATECC508A compressed certificates use a 3-byte encoding for the validity date range.

serial_number()

This represents the ATECC508A 9-byte device serial number

sha256()

A SHA256 hash

The serial number source for a compressed certificate

Link to this section Types

cert_serial_number()

cert_serial_number() :: <<_::128>>

ATECC508A compressed certificates have 16-byte serial numbers

compressed_cert()

compressed_cert() :: <<_::576>>

Microchip P256 compressed certificate

See Atmel-8974A app note

crc16()

crc16() :: <<_::16>>

A CRC16 as computed by the ATECC508A

ecc_public_key()

ecc_public_key() :: <<_::512>>

An ECC P256 public key

encoded_dates()

encoded_dates() :: <<_::24>>

ATECC508A compressed certificates use a 3-byte encoding for the validity date range.

serial_number()

serial_number() :: <<_::72>>

This represents the ATECC508A 9-byte device serial number

sha256()

sha256() :: <<_::256>>

A SHA256 hash

sn_source()

sn_source() :: :random | :public_key | :device_sn

The serial number source for a compressed certificate