chore: checkpoint before Python removal

vendor/aws-lc-sys/aws-lc/crypto/fipsmodule/hmac/internal.h

@@ -0,0 +1,28 @@
+// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0 OR ISC
+
+#ifndef AWSLC_HEADER_HMAC_INTERNAL_H
+#define AWSLC_HEADER_HMAC_INTERNAL_H
+
+#include <openssl/base.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+// HMAC_with_precompute is only used in FIPS ACVP harness, in order to test
+// the computation of HMAC using precomputed keys (internally). It should not
+// be used for any other purposes as it outputs the same results as |HMAC| and is
+// slower than |HMAC|.
+// This function does not update the FIPS service indicator.
+OPENSSL_EXPORT uint8_t *HMAC_with_precompute(const EVP_MD *evp_md,
+                                             const void *key, size_t key_len,
+                                             const uint8_t *data,
+                                             size_t data_len, uint8_t *out,
+                                             unsigned int *out_len);
+
+#if defined(__cplusplus)
+}  // extern C
+#endif
+
+#endif  // AWSLC_HEADER_HMAC_INTERNAL_H