Security-57031.1.35.tar.gz

[apple/security.git] / Security / libsecurity_cdsa_client / lib / genkey.cpp

diff --git a/Security/libsecurity_cdsa_client/lib/genkey.cpp b/Security/libsecurity_cdsa_client/lib/genkey.cpp
new file mode 100644 (file)
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+++ b/Security/libsecurity_cdsa_client/lib/genkey.cpp
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+/*
+ * 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.
+ */
+
+
+//
+// genkey - client interface to CSSM sign/verify contexts
+//
+#include <security_cdsa_client/genkey.h>
+
+using namespace CssmClient;
+
+
+GenerateKey::GenerateKey(const CSP &csp, CSSM_ALGORITHMS alg, uint32 size)
+: Context(csp, alg), mKeySize(size), mSeed(NULL), mSalt(NULL), mParams(NULL)
+{
+}
+
+void
+GenerateKey::database(const Db &inDb)
+{
+       mDb = inDb;
+       if (mDb && isActive())
+               set(CSSM_ATTRIBUTE_DL_DB_HANDLE, mDb->handle());
+}
+
+void GenerateKey::activate()
+{
+    StLock<Mutex> _(mActivateMutex);
+       if (!mActive)
+       {
+               check(CSSM_CSP_CreateKeyGenContext(attachment()->handle(), mAlgorithm,
+                       mKeySize, mSeed, mSalt, NULL, NULL, mParams, &mHandle));
+               // Must be done before calling set() since is does nothing unless we are active.
+               // Also we are technically active even if set() throws since we already created a context.
+               mActive = true;
+               if (mDb)
+                       set(CSSM_ATTRIBUTE_DL_DB_HANDLE, mDb->handle());
+       }
+}
+
+Key GenerateKey::operator () (const KeySpec &spec)
+{
+       Key key;
+       
+       check(CSSM_GenerateKey(handle(), spec.usage, spec.attributes, spec.label,
+                  &compositeRcc(), key.makeNewKey(attachment())));
+                  
+       key->activate();
+       
+       return key;
+}
+
+void GenerateKey::operator () (CssmKey &key, const KeySpec &spec)
+{
+       check(CSSM_GenerateKey(handle(), spec.usage, spec.attributes, spec.label, &compositeRcc(), &key));
+
+}
+
+void GenerateKey::operator () (Key &publicKey, const KeySpec &pubSpec,
+               Key &privateKey, const KeySpec &privSpec)
+{
+       check(CSSM_GenerateKeyPair(handle(),
+               pubSpec.usage, pubSpec.attributes,
+               pubSpec.label, publicKey.makeNewKey(attachment()),
+               privSpec.usage, privSpec.attributes,
+               privSpec.label, &compositeRcc(), privateKey.makeNewKey(attachment())));
+
+       publicKey->activate();
+       privateKey->activate();
+
+}
+
+void GenerateKey::operator () (CssmKey &publicKey, const KeySpec &pubSpec,
+               CssmKey &privateKey, const KeySpec &privSpec)
+{
+       check(CSSM_GenerateKeyPair(handle(),
+               pubSpec.usage, pubSpec.attributes, pubSpec.label, &publicKey,
+               privSpec.usage, privSpec.attributes, privSpec.label, &compositeRcc(), &privateKey));
+}
+