1 files changed, 131 insertions, 0 deletions
diff --git a/libtransport/src/auth/crypto_suite.cc b/libtransport/src/auth/crypto_suite.cc
new file mode 100644
index 000000000..e7b097ac4
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+++ b/libtransport/src/auth/crypto_suite.cc
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+/*
+ * Copyright (c) 2021 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <hicn/transport/auth/crypto_suite.h>
+
+namespace transport {
+namespace auth {
+
+CryptoSuite getSuite(int nid) {
+  switch (nid) {
+    case NID_ED25519:
+      return CryptoSuite::ED25519;
+    case NID_ED448:
+      return CryptoSuite::ED448;
+    case NID_ecdsa_with_SHA256:
+      return CryptoSuite::ECDSA_SHA256;
+    case NID_ecdsa_with_SHA512:
+      return CryptoSuite::ECDSA_SHA512;
+    case NID_sha256WithRSAEncryption:
+      return CryptoSuite::RSA_SHA256;
+    case NID_sha512WithRSAEncryption:
+      return CryptoSuite::RSA_SHA512;
+    case NID_hmacWithSHA256:
+      return CryptoSuite::HMAC_SHA256;
+    case NID_hmacWithSHA512:
+      return CryptoSuite::HMAC_SHA512;
+    case NID_dsa_with_SHA256:
+      return CryptoSuite::DSA_SHA256;
+    case NID_dsa_with_SHA512:
+      return CryptoSuite::DSA_SHA512;
+    default:
+      return CryptoSuite::UNKNOWN;
+  }
+}
+
+std::string getStringSuite(CryptoSuite suite) {
+  switch (suite) {
+    case CryptoSuite::ED25519:
+      return "ED25519";
+    case CryptoSuite::ED448:
+      return "ED448";
+    case CryptoSuite::ECDSA_BLAKE2B512:
+      return "ECDSA_BLAKE2B512";
+    case CryptoSuite::ECDSA_BLAKE2S256:
+      return "ECDSA_BLAKE2S256";
+    case CryptoSuite::ECDSA_SHA256:
+      return "ECDSA_SHA256";
+    case CryptoSuite::ECDSA_SHA512:
+      return "ECDSA_SHA512";
+    case CryptoSuite::RSA_BLAKE2B512:
+      return "RSA_BLAKE2B512";
+    case CryptoSuite::RSA_BLAKE2S256:
+      return "RSA_BLAKE2S256";
+    case CryptoSuite::RSA_SHA256:
+      return "RSA_SHA256";
+    case CryptoSuite::RSA_SHA512:
+      return "RSA_SHA512";
+    case CryptoSuite::HMAC_BLAKE2B512:
+      return "HMAC_BLAKE2B512";
+    case CryptoSuite::HMAC_BLAKE2S256:
+      return "HMAC_BLAKE2S256";
+    case CryptoSuite::HMAC_SHA256:
+      return "HMAC_SHA256";
+    case CryptoSuite::HMAC_SHA512:
+      return "HMAC_SHA512";
+    case CryptoSuite::DSA_BLAKE2B512:
+      return "DSA_BLAKE2B512";
+    case CryptoSuite::DSA_BLAKE2S256:
+      return "DSA_BLAKE2S256";
+    case CryptoSuite::DSA_SHA256:
+      return "DSA_SHA256";
+    case CryptoSuite::DSA_SHA512:
+      return "DSA_SHA512";
+    default:
+      return "UNKNOWN";
+  }
+}
+
+CryptoHashType getHashType(CryptoSuite suite) {
+  switch (suite) {
+    case CryptoSuite::DSA_BLAKE2B512:
+    case CryptoSuite::ECDSA_BLAKE2B512:
+    case CryptoSuite::HMAC_BLAKE2B512:
+    case CryptoSuite::RSA_BLAKE2B512:
+      return CryptoHashType::BLAKE2B512;
+    case CryptoSuite::DSA_BLAKE2S256:
+    case CryptoSuite::ECDSA_BLAKE2S256:
+    case CryptoSuite::HMAC_BLAKE2S256:
+    case CryptoSuite::RSA_BLAKE2S256:
+      return CryptoHashType::BLAKE2S256;
+    case CryptoSuite::DSA_SHA256:
+    case CryptoSuite::ECDSA_SHA256:
+    case CryptoSuite::ED25519:
+    case CryptoSuite::ED448:
+    case CryptoSuite::HMAC_SHA256:
+    case CryptoSuite::RSA_SHA256:
+      return CryptoHashType::SHA256;
+    case CryptoSuite::DSA_SHA512:
+    case CryptoSuite::ECDSA_SHA512:
+    case CryptoSuite::HMAC_SHA512:
+    case CryptoSuite::RSA_SHA512:
+      return CryptoHashType::SHA512;
+    default:
+      return CryptoHashType::UNKNOWN;
+  }
+}
+
+const EVP_MD *getMD(CryptoSuite suite) {
+  switch (suite) {
+    case CryptoSuite::ED25519:
+    case CryptoSuite::ED448:
+      return nullptr;
+    default:
+      return CryptoHash::getMD(getHashType(suite));
+  }
+}
+
+}  // namespace auth
+}  // namespace transport