[gnutls-devel] GnuTLS | FIPS140: mark HKDF and AES-GCM as approved when used in TLS (#1311)

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Pedro Monreal commented:


Since gnutls_hkdf_extract() is only called from lib/secrets.c:_tls13_update_secret(), we can push a new FIPS context before calling gnutls_hkdf_extract(). After it returns, we can pop the context and check the return state.

Here is a patch with its possible implementation:

[gnutls-FIPS-mark-HKDF-approved-in-TLS-context.patch](/uploads/367b3311d71b5dc58bae0656e9ad669d/gnutls-FIPS-mark-HKDF-approved-in-TLS-context.patch)

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