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<a href="https://gitlab.com/dueno">Daiki Ueno</a>
commented on a
<a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1460#note_708755473">discussion</a>:
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<p dir="auto">Further detail of these algorithms is described in the <a href="https://trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-2-Structures-01.38.pdf" rel="nofollow noreferrer noopener" target="_blank">structure document</a>:</p>
<blockquote dir="auto">
<p>For the TPM_ALG_RSAPSS signing scheme, the same hash algorithm is used for digesting TPM-
generated data (an attestation structure) and in the KDF used for the masking operation. The salt size is
always the largest salt value that will fit into the available space.</p>
</blockquote>
<p dir="auto">This means that the algorithm cannot be used for TLS 1.3, where the salt size equals to the hash digest size.</p>
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