Efficient and reliable attestation

A security device comprising:

• at least one cryptographic processor;
• memory storing instructions that, when executed on the at least one cryptographic processor, cause the security device to:
• provide first credentials to establish a first level of trust between a computing device and a remote access device;
• obtain security information retrieved from a remote security device that is different than the remote access device;
• generate, using the security information and subsequent to providing the first credentials, second credentials that are usable to establish a second level of trust between the computing device and the remote access device, the second level of trust being more trustworthy than the first level of trust;
• and
• provide the second credentials to establish the second level of trust between the computing device and the remote access device.

A method comprising:

• providing, by a computing device, first credentials to a remote access device to establish a first level of trust with the remote access device;
• retrieving security information from a remote security device that is different than the remote access device;
• generating, using the security information and subsequent to providing the first credentials, second credentials that are usable to upgrade the computing device from the first level of trust to a second level of trust, the second level of trust being more trustworthy than the first level of trust;
• and
• providing the second credentials to the remote access device to upgrade the computing device from the first level of trust to the second level of trust.