> Date: Mon, 17 Oct 2011 20:50:05 -0400 (EDT)
> From: Dmitri Toubelis <[email protected]>
>
> However, I notice a strange behavior when
> unsealing data - it takes too long. Here is what I did - I created a
> 40MB file with random data and run tpm_sealdata/tpm_unsealdata as
follows:
1 - RSA encryption (seal) is always much faster than decryption (unseal).
It's
the nature of the RSA math.
2 - No, it's not AES, it's RSA. The TPM does not expose any symmetric key
algorithm.
3 - It intent of seal/unseal is to use short data streams, 10's of bytes,
not 40 mbytes. Your top level design needs a rework.
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