benchmarks: DRBG.

benchmarks/drbg.cc

@@ -0,0 +1,81 @@
+/*
+ *    Copyright 2022 Cryspen Sarl
+ *
+ *    Licensed under the Apache License, Version 2.0 or MIT.
+ *    - http://www.apache.org/licenses/LICENSE-2.0
+ *    - http://opensource.org/licenses/MIT
+ */
+
+#include "Hacl_HMAC_DRBG.h"
+
+#include "util.h"
+
+static bytes entropy_input = from_hex("98AD3A7FE9E908452A633AA3B9E46E7E324766");
+static bytes nonce = from_hex("6DF336AB15C2BED6AC6FC793705EBBAAFE");
+static bytes personalization_string =
+  from_hex("AF65C375F0850AF29CC3FE6C0C1D31F4");
+static bytes additional_input = from_hex("1CA8F61C");
+static bytes output(128);
+
+inline void
+Drbg_complete(benchmark::State& state, Spec_Hash_Definitions_hash_alg algorithm)
+{
+  for (auto _ : state) {
+    Hacl_HMAC_DRBG_state state = Hacl_HMAC_DRBG_create_in(algorithm);
+    Hacl_HMAC_DRBG_instantiate(algorithm,
+                               state,
+                               entropy_input.size(),
+                               entropy_input.data(),
+                               nonce.size(),
+                               nonce.data(),
+                               personalization_string.size(),
+                               personalization_string.data());
+
+    Hacl_HMAC_DRBG_generate(algorithm,
+                            output.data(),
+                            state,
+                            output.size(),
+                            additional_input.size(),
+                            additional_input.data());
+
+    Hacl_HMAC_DRBG_free(Spec_Hash_Definitions_SHA2_256, state);
+  }
+}
+
+// ----- SHA-2 256 -------------------------------------------------------------
+
+static void Drbg_SHA2_256_complete(benchmark::State& state)
+{
+  Drbg_complete(state, Spec_Hash_Definitions_SHA2_256);
+}
+
+BENCHMARK(Drbg_SHA2_256_complete);
+
+// ----- SHA-2 384 -------------------------------------------------------------
+
+static void Drbg_SHA2_384_complete(benchmark::State& state)
+{
+  Drbg_complete(state, Spec_Hash_Definitions_SHA2_384);
+}
+
+BENCHMARK(Drbg_SHA2_384_complete);
+
+// ----- SHA-2 512 -------------------------------------------------------------
+
+static void Drbg_SHA2_512_complete(benchmark::State& state)
+{
+  Drbg_complete(state, Spec_Hash_Definitions_SHA2_512);
+}
+
+BENCHMARK(Drbg_SHA2_512_complete);
+
+// ----- SHA-1 -----------------------------------------------------------------
+
+static void Drbg_SHA1_complete(benchmark::State& state)
+{
+  Drbg_complete(state, Spec_Hash_Definitions_SHA1);
+}
+
+BENCHMARK(Drbg_SHA1_complete);
+
+BENCHMARK_MAIN();

config/config.json

@@ -559,6 +559,9 @@
         ],
         "kdf": [
             "kdf.cc"
+        ],
+        "drbg": [
+            "drbg.cc"
         ]
     }
 }