X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/Security/libsecurity_apple_csp/lib/rc4Context.h

diff --git a/Security/libsecurity_apple_csp/lib/rc4Context.h b/Security/libsecurity_apple_csp/lib/rc4Context.h
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+/*
+ * Copyright (c) 2000-2001,2011,2013-2014 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.
+ */
+
+
+/*
+ * rc4Context.h - glue between BlockCrytpor and ssleay RC4 implementation
+ */
+#ifndef _RC4_CONTEXT_H_
+#define _RC4_CONTEXT_H_
+
+#include "AppleCSPContext.h"
+#include <CommonCrypto/CommonCryptor.h>
+#include <CommonCrypto/CommonCryptorSPI.h>
+
+class RC4Context : public AppleCSPContext {
+public:
+	RC4Context(AppleCSPSession &session) :
+		AppleCSPContext(session)	{ }
+	virtual ~RC4Context();
+	
+	// called by CSPFullPluginSession
+	void init(
+		const Context 	&context, 
+		bool encoding = true);
+	void update(
+		void 			*inp, 
+		size_t 			&inSize, 			// in/out
+		void 			*outp, 
+		size_t 			&outSize);			// in/out
+	void final(
+		CssmData 		&out);
+
+ 	size_t inputSize(
+		size_t 			outSize);			// input for given output size
+	size_t outputSize(
+		bool 			final = false, 
+		size_t 			inSize = 0); 		// output for given input size
+	void minimumProgress(
+		size_t 			&in, 
+		size_t 			&out); 				// minimum progress chunks
+	
+private:
+    CCCryptorRef    rc4Key;
+	
+};	/* RC4Context */
+
+#endif //_RC4_CONTEXT_H_