Initial commit: cframework. Longbow and Libparc

Change-Id: I90378dbd30da6033b20fb1f829b3b822cf366c59
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>

1 files changed, 58 insertions, 0 deletions

diff --git a/libparc/parc/security/parc_CryptoSuite.h b/libparc/parc/security/parc_CryptoSuite.h
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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.
+ */
+
+/**
+ * @file parc_CryptoSuite.h
+ * @ingroup security
+ * @brief Represent a cryptographic suite, a set of corresponding hash and signing/MAC/CRC algorithms.
+ *
+ * A cryptographic suite encapsulates the method by which (public key) digital signatures and
+ * (private key) MACs. For example, a digital signature suite might combine SHA-256 as the hash
+ * digest algorithm and RSA as the signature generation/verification algorithm. Such a suite
+ * would would have the PARCCryptoSuite value PARCCryptoSuite_RSA_SHA256.
+ *
+ */
+#ifndef libparc_parc_CryptoSuite_h
+#define libparc_parc_CryptoSuite_h
+
+#include <parc/security/parc_CryptoHashType.h>
+
+typedef enum {
+    PARCCryptoSuite_RSA_SHA256,
+    PARCCryptoSuite_DSA_SHA256,
+    PARCCryptoSuite_RSA_SHA512,
+    PARCCryptoSuite_HMAC_SHA256,
+    PARCCryptoSuite_HMAC_SHA512,
+    PARCCryptoSuite_NULL_CRC32C,
+    PARCCryptoSuite_EC_SECP_256K1,
+    PARCCryptoSuite_UNKNOWN
+} PARCCryptoSuite;
+
+/**
+ * Given a PARCCryptoSuite value, return the corresponding cryptographic hash as a `PARCCryptoHashType`.
+ *
+ * @param [in] suite A PARCCryptoSuite value.
+ *
+ * @return A PARCCryptoHashType value
+ *
+ * Example:
+ * @code
+ * {
+ *     PARCryptoHashType hash = parcCryptoSuite_GetCryptoHash(PARCCryptoSuite_RSA_SHA256);
+ * }
+ * @endcode
+ */
+PARCCryptoHashType parcCryptoSuite_GetCryptoHash(PARCCryptoSuite suite);
+#endif // libparc_parc_CryptoSuite_h