more information about implicit fetches.
The OpenSSL default and legacy providers support fetching digests and can fetch
-those digests from any available provider. The OpenSSL fips provider also
+those digests from any available provider. The OpenSSL FIPS provider also
supports fetching digests but will only fetch digests that are themselves
-implemented inside the fips provider.
+implemented inside the FIPS provider.
I<ctx> must be created with EVP_MD_CTX_new() before calling this function. If
I<pctx> is not NULL, the EVP_PKEY_CTX of the signing operation will be written