1. Copied the TLSv1.2 PRF into hmac.c since it uses it and the TLSv1.3 HKDF is in there as well. 2. Added guard around the old TLS PRF so that it switches in correctly for older FIPS builds only.
1. Copied the TLSv1.2 PRF into hmac.c since it uses it and the TLSv1.3 HKDF is in there as well. 2. Added guard around the old TLS PRF so that it switches in correctly for older FIPS builds only.