+++ /dev/null
-/*
- * ascContext.h - glue between BlockCrytpor and ComCryption (a.k.a. Apple
- * Secure Compression).
- * Written by Doug Mitchell 4/4/2001
- */
-
-#ifdef ASC_CSP_ENABLE
-
-#ifndef _ASC_CONTEXT_H_
-#define _ASC_CONTEXT_H_
-
-#include "AppleCSPContext.h"
-#include <security_comcryption/comcryption.h>
-
-/* symmetric encrypt/decrypt context */
-class ASCContext : public AppleCSPContext {
-public:
- ASCContext(AppleCSPSession &session) :
- AppleCSPContext(session),
- mCcObj(NULL) { }
- ~ASCContext();
-
- // 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:
- comcryptObj mCcObj;
-
- /*
- * For first implementation, we have to cope with the fact that the final
- * decrypt call down to the comcryption engine requires *some* ciphertext.
- * On decrypt, we'll just save one byte on each update in preparation for
- * the final call. Hopefull we'll have time to fix deComcryptData() so this
- * is unneccesary.
- */
- unsigned char mDecryptBuf;
- bool mDecryptBufValid;
-
-}; /* RC4Context */
-
-#endif /*_ASC_CONTEXT_H_ */
-#endif /* ASC_CSP_ENABLE */