EVP_MD-BLAKE2 - The BLAKE2 EVP_MD implementation
Support for computing BLAKE2 digests through the EVP_MD API.
This implementation is only available with the default provider, and includes
  the following varieties:
  - BLAKE2S-256
- Known names are "BLAKE2S-256" and "BLAKE2s256".
- BLAKE2B-512
- Known names are "BLAKE2B-512" and "BLAKE2b512".
This implementation supports the common gettable parameters described in
  EVP_MD-common(7).
provider-digest(7), OSSL_PROVIDER-default(7)
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