Merge "Adding gitreview config file for this branch sub project"

1 files changed, 111 insertions, 0 deletions

diff --git a/libparc/parc/security/parc_CryptoSuite.c b/libparc/parc/security/parc_CryptoSuite.c
new file mode 100755
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+++ b/libparc/parc/security/parc_CryptoSuite.c
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+/*
+ * Copyright (c) 2017 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 <config.h>
+
+#include <LongBow/runtime.h>
+
+#include <parc/security/parc_CryptoSuite.h>
+#include <parc/security/parc_SigningAlgorithm.h>
+
+PARCCryptoHashType
+parcCryptoSuite_GetCryptoHash(PARCCryptoSuite suite)
+{
+    switch (suite) {
+        case PARCCryptoSuite_DSA_SHA256:      // fallthrough
+        case PARCCryptoSuite_HMAC_SHA256:     // fallthrough
+        case PARCCryptoSuite_RSA_SHA256:      // fallthrough
+        case PARCCryptoSuite_ECDSA_SHA256:
+            return PARCCryptoHashType_SHA256;
+
+        case PARCCryptoSuite_HMAC_SHA512:     // fallthrough
+        case PARCCryptoSuite_RSA_SHA512:
+            return PARCCryptoHashType_SHA512;
+
+        case PARCCryptoSuite_NULL_CRC32C:
+            return PARCCryptoHashType_CRC32C;
+
+        default:
+            trapIllegalValue(suite, "Unknown crypto suite: %d", suite);
+    }
+}
+
+int
+parcCryptoSuite_GetSignatureSizeBytes(PARCCryptoSuite suite, int keyLengthBits)
+{
+    int keyLengthBytes = keyLengthBits >> 3;
+    switch (suite) {
+        case PARCCryptoSuite_DSA_SHA256:      // fallthrough
+        case PARCCryptoSuite_RSA_SHA256:      // fallthrough
+        case PARCCryptoSuite_RSA_SHA512:
+            return keyLengthBytes;
+
+        case PARCCryptoSuite_ECDSA_SHA256:
+            return keyLengthBytes*2 + 8; //Overhead added by ECDSA 
+
+        case PARCCryptoSuite_HMAC_SHA256:     // fallthrough
+        case PARCCryptoSuite_HMAC_SHA512:     // fallthrough
+            return 64;
+
+        case PARCCryptoSuite_NULL_CRC32C:
+            return 4;
+
+        default:
+            trapIllegalValue(suite, "Unknown crypto suite: %d", suite);
+    }
+}
+
+PARCCryptoSuite parcCryptoSuite_GetFromSigningHash(PARCSigningAlgorithm signAlgo, PARCCryptoHashType hash) {
+
+  switch (signAlgo) {
+    case PARCSigningAlgorithm_DSA:
+      return PARCCryptoSuite_DSA_SHA256 + hash;
+    case PARCSigningAlgorithm_RSA:
+      return PARCCryptoSuite_RSA_SHA256 + hash;
+    case PARCSigningAlgorithm_ECDSA:
+      return PARCCryptoSuite_ECDSA_SHA256 + hash;
+    case PARCSigningAlgorithm_NULL:
+      return PARCCryptoSuite_NULL_CRC32C;
+    default:
+      trapIllegalValue(suite, "Unknown signing algorithm suite: %d", signAlgo);
+  }
+}
+
+PARCSigningAlgorithm
+parcCryptoSuite_GetSigningAlgorithm(PARCCryptoSuite suite)
+{
+    switch (suite) {
+        case PARCCryptoSuite_DSA_SHA256:
+            return PARCSigningAlgorithm_DSA;
+
+        case PARCCryptoSuite_RSA_SHA256:      // fallthrough
+        case PARCCryptoSuite_RSA_SHA512:
+            return PARCSigningAlgorithm_RSA;
+
+        case PARCCryptoSuite_HMAC_SHA256:     // fallthrough
+        case PARCCryptoSuite_HMAC_SHA512:
+            return PARCSigningAlgorithm_HMAC;
+
+        case PARCCryptoSuite_ECDSA_SHA256:
+	    return PARCSigningAlgorithm_ECDSA;
+        case PARCCryptoSuite_NULL_CRC32C:
+            return PARCSigningAlgorithm_NULL;
+
+        default:
+            trapIllegalValue(suit, "Unknown crypto suite: %d", suite);
+    }
+}