sha224_final
ATTRIBUTE_WARN_UNUSED_RET int sha224_final(sha224_context *ctx, u8 output[SHA224_DIGEST_SIZE]);
return sha224_final((sha224_context*)hctx, output);
ret = sha224_final(&ctx, output);
ret = sha224_final(&ctx, output);
LEGACY_EVP_MD_METH_TABLE(sha224_init, sha224_update, sha224_final, NULL,