__crypto_sha256_export
return __crypto_sha256_export(&SHA224_CTX(desc)->ctx, out);
return __crypto_sha256_export(&SHA256_CTX(desc)->ctx, out);
return __crypto_sha256_export(&HMAC_SHA224_CTX(desc)->ctx.sha_ctx, out);
return __crypto_sha256_export(&HMAC_SHA256_CTX(desc)->ctx.sha_ctx, out);