Security-57336.1.9.tar.gz

[apple/security.git] / OSX / libsecurity_cdsa_client / lib / signclient.cpp

diff --git a/OSX/libsecurity_cdsa_client/lib/signclient.cpp b/OSX/libsecurity_cdsa_client/lib/signclient.cpp
new file mode 100644 (file)
index 0000000..d7744a6
--- /dev/null
+++ b/OSX/libsecurity_cdsa_client/lib/signclient.cpp
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2000-2001,2011-2012,2014 Apple Inc. All Rights Reserved.
+ * 
+ * The contents of this file constitute Original Code as defined in and are
+ * subject to the Apple Public Source License Version 1.2 (the 'License').
+ * You may not use this file except in compliance with the License. Please obtain
+ * a copy of the License at http://www.apple.com/publicsource and read it before
+ * using this file.
+ * 
+ * This Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
+ * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
+ * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+ * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
+ * specific language governing rights and limitations under the License.
+ */
+
+
+//
+// signclient - client interface to CSSM sign/verify contexts
+//
+#include <security_cdsa_client/signclient.h>
+
+using namespace CssmClient;
+
+
+//
+// Common features of signing and verify contexts
+//
+void SigningContext::activate()
+{
+    StLock<Mutex> _(mActivateMutex);
+       if (!mActive)
+       {
+               check(CSSM_CSP_CreateSignatureContext(attachment()->handle(), mAlgorithm,
+                         cred(), mKey, &mHandle));
+               mActive = true;
+       }
+}
+
+
+//
+// Signing
+//
+void Sign::sign(const CssmData *data, uint32 count, CssmData &signature)
+{
+       unstaged();
+       check(CSSM_SignData(handle(), data, count, mSignOnly, &signature));
+}
+
+void Sign::init()
+{
+       check(CSSM_SignDataInit(handle()));
+       mStaged = true;
+}
+
+void Sign::sign(const CssmData *data, uint32 count)
+{
+       staged();
+       check(CSSM_SignDataUpdate(handle(), data, count));
+}
+
+void Sign::operator () (CssmData &signature)
+{
+       staged();
+       check(CSSM_SignDataFinal(handle(), &signature));
+       mStaged = false;
+}
+
+
+//
+// Verifying
+//
+void Verify::verify(const CssmData *data, uint32 count, const CssmData &signature)
+{
+       unstaged();
+       check(CSSM_VerifyData(handle(), data, count, mSignOnly, &signature));
+}
+
+void Verify::init()
+{
+       check(CSSM_VerifyDataInit(handle()));
+       mStaged = true;
+}
+
+void Verify::verify(const CssmData *data, uint32 count)
+{
+       staged();
+       check(CSSM_VerifyDataUpdate(handle(), data, count));
+}
+
+void Verify::operator () (const CssmData &signature)
+{
+       staged();
+       check(CSSM_VerifyDataFinal(handle(), &signature));
+       mStaged = false;
+}