1 files changed, 107 insertions, 0 deletions
diff --git a/libparc/parc/security/parc_Verifier.c b/libparc/parc/security/parc_Verifier.c
new file mode 100755
index 00000000..967356a5
--- /dev/null
+++ b/libparc/parc/security/parc_Verifier.c
@@ -0,0 +1,107 @@
+/*
+ * 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 <stdio.h>
+
+#include <LongBow/runtime.h>
+
+#include <parc/security/parc_Verifier.h>
+#include <parc/algol/parc_Memory.h>
+
+struct parc_verifier {
+    PARCObject *instance;
+    PARCVerifierInterface *interface;
+};
+
+static bool
+_parcVerifier_FinalRelease(PARCVerifier **verifierPtr)
+{
+    PARCVerifier *verifier = *verifierPtr;
+    if (verifier->instance != NULL) {
+        parcObject_Release(&(verifier->instance));
+    }
+    return true;
+}
+
+void
+parcVerifier_AssertValid(const PARCVerifier *verifier)
+{
+    assertNotNull(verifier, "Parameter must be non-null PARCVerifier");
+}
+
+parcObject_ImplementAcquire(parcVerifier, PARCVerifier);
+parcObject_ImplementRelease(parcVerifier, PARCVerifier);
+
+parcObject_Override(PARCVerifier, PARCObject,
+                    .destructor = (PARCObjectDestructor *) _parcVerifier_FinalRelease);
+
+PARCVerifier *
+parcVerifier_Create(PARCObject *instance, PARCVerifierInterface *interfaceContext)
+{
+    assertNotNull(interfaceContext, "Parameter `interfaceContext` must be non-null interface pointer");
+    assertNotNull(instance, "Parameter `instance` must be non-null PARCObject pointer");
+
+    PARCVerifier *verifier = parcObject_CreateInstance(PARCVerifier);
+    assertNotNull(verifier, "parcObject_CreateInstance returned NULL");
+
+    verifier->instance = parcObject_Acquire(instance);
+    verifier->interface = interfaceContext;
+
+    return verifier;
+}
+
+bool
+parcVerifier_VerifyDigestSignature(PARCVerifier *verifier, PARCKeyId *keyid, PARCCryptoHash *locallyComputedHash,
+                                   PARCCryptoSuite suite, PARCSignature *signatureToVerify)
+{
+    assertNotNull(verifier, "Parameter must be non-null PARCVerifier");
+    assertNotNull(locallyComputedHash, "cryptoHash to verify must not be null");
+    assertNotNull(signatureToVerify, "Signature to verify must not be null");
+
+    // null keyid is allowed now that we support CRCs, etc.
+
+    return verifier->interface->VerifyDigest(verifier->instance, keyid, locallyComputedHash, suite, signatureToVerify);
+}
+
+bool
+parcVerifier_AllowedCryptoSuite(PARCVerifier *verifier, PARCKeyId *keyid, PARCCryptoSuite suite)
+{
+    assertNotNull(verifier, "Parameter must be non-null PARCVerifier");
+    return verifier->interface->AllowedCryptoSuite(verifier->instance, keyid, suite);
+}
+
+PARCCryptoHasher*
+parcVerifier_GetCryptoHasher(PARCVerifier *verifier, PARCKeyId *keyid, PARCCryptoHashType hashType)
+{
+    assertNotNull(verifier, "Parameter must be non-null PARCVerifier");
+    return verifier->interface->GetCryptoHasher(verifier->instance, keyid, hashType);
+}
+
+void
+parcVerifier_AddKey(PARCVerifier *verifier, PARCKey *key)
+{
+    assertNotNull(verifier, "Parameter must be non-null PARCVerifier");
+    verifier->interface->AddKey(verifier->instance, key);
+}
+
+void
+parcVerifier_RemoveKeyId(PARCVerifier *verifier, PARCKeyId *keyid)
+{
+    assertNotNull(verifier, "Parameter must be non-null PARCVerifier");
+    verifier->interface->RemoveKeyId(verifier->instance, keyid);
+}