1 files changed, 106 insertions, 0 deletions
diff --git a/src/util/fipstools/cavp/cavp_ctr_drbg_test.cc b/src/util/fipstools/cavp/cavp_ctr_drbg_test.cc
new file mode 100644
index 00000000..30a1a156
--- /dev/null
+++ b/src/util/fipstools/cavp/cavp_ctr_drbg_test.cc
@@ -0,0 +1,106 @@
+/* Copyright (c) 2017, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+// cavp_ctr_drbg_test processes a NIST CAVP DRBG800-90A test vector request
+// file and emits the corresponding response.
+
+#include <openssl/crypto.h>
+
+#include <stdlib.h>
+
+#include "cavp_test_util.h"
+#include "../crypto/fipsmodule/rand/internal.h"
+#include "../crypto/test/file_test.h"
+
+
+static bool TestCTRDRBG(FileTest *t, void *arg) {
+  std::string test_type, prediction_resistance, entropy_input_len, nonce_len,
+      personalization_str_len, additional_input_len, returned_bits_len;
+  if (!t->GetInstruction(&test_type, "AES-256 no df") ||
+      !t->GetInstruction(&prediction_resistance, "PredictionResistance") ||
+      !t->GetInstruction(&entropy_input_len, "EntropyInputLen") ||
+      !t->GetInstruction(&nonce_len, "NonceLen") ||
+      !t->GetInstruction(&personalization_str_len,
+                         "PersonalizationStringLen") ||
+      !t->GetInstruction(&additional_input_len, "AdditionalInputLen") ||
+      !t->GetInstruction(&returned_bits_len, "ReturnedBitsLen") ||
+      !test_type.empty() ||
+      prediction_resistance != "False" ||
+      strtoul(entropy_input_len.c_str(), nullptr, 0) !=
+          CTR_DRBG_ENTROPY_LEN * 8 ||
+      nonce_len != "0") {
+    return false;
+  }
+
+  std::string count;
+  std::vector<uint8_t> entropy, nonce, personalization_str, ai1, ai2;
+  if (!t->GetAttribute(&count, "COUNT") ||
+      !t->GetBytes(&entropy, "EntropyInput") ||
+      !t->GetBytes(&nonce, "Nonce") ||
+      !t->GetBytes(&personalization_str, "PersonalizationString") ||
+      !t->GetBytes(&ai1, "AdditionalInput") ||
+      !t->GetBytes(&ai2, "AdditionalInput/2") ||
+      entropy.size() * 8 != strtoul(entropy_input_len.c_str(), nullptr, 0) ||
+      nonce.size() != 0 ||
+      personalization_str.size() * 8 !=
+          strtoul(personalization_str_len.c_str(), nullptr, 0) ||
+      ai1.size() != ai2.size() ||
+      ai1.size() * 8 != strtoul(additional_input_len.c_str(), nullptr, 0)) {
+    return false;
+  }
+
+  CTR_DRBG_STATE drbg;
+  CTR_DRBG_init(&drbg, entropy.data(),
+                personalization_str.size() > 0 ? personalization_str.data()
+                                               : nullptr,
+                personalization_str.size());
+
+  uint64_t out_len = strtoul(returned_bits_len.c_str(), nullptr, 0);
+  if (out_len == 0 || (out_len & 7) != 0) {
+    return false;
+  }
+  out_len /= 8;
+
+  std::vector<uint8_t> out;
+  out.resize(out_len);
+
+  CTR_DRBG_generate(&drbg, out.data(), out.size(),
+                    ai1.size() > 0 ? ai1.data() : nullptr, ai1.size());
+  CTR_DRBG_generate(&drbg, out.data(), out.size(),
+                    ai2.size() > 0 ? ai2.data() : nullptr, ai2.size());
+
+  printf("%s", t->CurrentTestToString().c_str());
+  printf("ReturnedBits = %s\r\n\r\n",
+         EncodeHex(out.data(), out.size()).c_str());
+
+  return true;
+}
+
+static int usage(char *arg) {
+  fprintf(stderr, "usage: %s <test file>\n", arg);
+  return 1;
+}
+
+int cavp_ctr_drbg_test_main(int argc, char **argv) {
+  if (argc != 2) {
+    return usage(argv[0]);
+  }
+
+  FileTest::Options opts;
+  opts.path = argv[1];
+  opts.callback = TestCTRDRBG;
+  opts.silent = true;
+  opts.comment_callback = EchoComment;
+  return FileTestMain(opts);
+}