+++ /dev/null
-/*
- * Copyright (c) 2000-2001 Apple Computer, 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.
- */
-
-
-/*
- * FEEAsymmetricContext.h - CSPContexts for FEE asymmetric encryption
- *
- * Created March 8 2001 by dmitch.
- */
-
-#ifdef CRYPTKIT_CSP_ENABLE
-
-#ifndef _FEE_ASYMMETRIC_CONTEXT_H_
-#define _FEE_ASYMMETRIC_CONTEXT_H_
-
-#include <security_cdsa_plugin/CSPsession.h>
-#include "AppleCSP.h"
-#include "AppleCSPContext.h"
-#include "AppleCSPSession.h"
-#include "BlockCryptor.h"
-#include <security_cryptkit/feeFEED.h>
-#include <security_cryptkit/feeFEEDExp.h>
-
-namespace CryptKit {
-
-class FEEDContext : public BlockCryptor {
-public:
- FEEDContext(AppleCSPSession &session) :
- BlockCryptor(session),
- mFeeFeed(NULL),
- mPrivKey(NULL),
- mPubKey(NULL),
- mInitFlag(false) { }
- ~FEEDContext();
-
- /* called by CSPFullPluginSession */
- void init(const Context &context, bool encoding = true);
-
- /* called by BlockCryptor */
- void encryptBlock(
- const void *plainText, // length implied (one block)
- size_t plainTextLen,
- void *cipherText,
- size_t &cipherTextLen, // in/out, throws on overflow
- bool final);
- void decryptBlock(
- const void *cipherText, // length implied (one cipher block)
- size_t cipherTextLen,
- void *plainText,
- size_t &plainTextLen, // in/out, throws on overflow
- bool final);
-
- /*
- * Additional query size support, necessary because we don't conform to
- * BlockCryptor's standard one-to-one block scheme
- */
- 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:
- feeFEED mFeeFeed;
- feePubKey mPrivKey;
- bool mAllocdPrivKey;
- feePubKey mPubKey;
- bool mAllocdPubKey;
- bool mInitFlag; // allows easy reuse
-}; /* FEEDContext */
-
-
-class FEEDExpContext : public BlockCryptor {
-public:
- FEEDExpContext(AppleCSPSession &session) :
- BlockCryptor(session),
- mFeeFeedExp(NULL),
- mFeeKey(NULL),
- mInitFlag(false) { }
-
- ~FEEDExpContext();
-
- /* called by CSPFullPluginSession */
- void init(const Context &context, bool encoding = true);
-
- /* called by BlockCryptor */
- void encryptBlock(
- const void *plainText, // length implied (one block)
- size_t plainTextLen,
- void *cipherText,
- size_t &cipherTextLen, // in/out, throws on overflow
- bool final);
- void decryptBlock(
- const void *cipherText, // length implied (one cipher block)
- size_t cipherTextLen,
- void *plainText,
- size_t &plainTextLen, // in/out, throws on overflow
- bool final);
-
-private:
- feeFEEDExp mFeeFeedExp;
- feePubKey mFeeKey;
- bool mAllocdFeeKey;
- bool mInitFlag; // allows easy reuse
-}; /* FEEDExpContext */
-
-/*
- * Elliptic curve Diffie-Hellman key exchange. The public key is
- * specified in one of two ways - a raw X9.62 format public key
- * string in Param, or a CSSM_KEY in the Context.
- * Requested size, in keyData->Length, must be the same size as
- * the keys' modulus. Data is returned in keyData->Data, which is
- * allocated by the caller.
- * Optionally performs X9.63 key derivation if algId ==
- * CSSM_ALGID_ECDH_X963_KDF, with the optional SharedInfo passed
- * as optional context attribute CSSM_ATTRIBUTE_SALT.
- */
-extern void DeriveKey_ECDH (
- const Context &context,
- CSSM_ALGORITHMS algId,
- const CssmData &Param,
- CSSM_DATA *keyData,
- AppleCSPSession &session);
-
-} /* namespace CryptKit */
-
-#endif /* _FEE_ASYMMETRIC_CONTEXT_H_ */
-#endif /* CRYPTKIT_CSP_ENABLE */