X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/libsecurity_apple_csp/lib/castContext.cpp

diff --git a/libsecurity_apple_csp/lib/castContext.cpp b/libsecurity_apple_csp/lib/castContext.cpp
deleted file mode 100644
index 503d667e..00000000
--- a/libsecurity_apple_csp/lib/castContext.cpp
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * 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.
- */
-
-
-/*
- * castContext.cpp - glue between BlockCrytpor and CommonCrypto CAST128 (CAST5)
- *				 implementation
- *
- */
- 
-#include "castContext.h"
-
-CastContext::CastContext(AppleCSPSession &session) :
-    BlockCryptor(session),
-    mCastKey(NULL),
-    mInitFlag(false),
-    mRawKeySize(0)
-{
-}
-
-
-
-CastContext::~CastContext()
-{
- 	deleteKey();
-}
-
-void CastContext::deleteKey()
-{
-    if (mCastKey != NULL) {
-        CCCryptorRelease(mCastKey);
-    }
-    mCastKey = NULL;
-	mInitFlag = false;
-}
-
-/* 
- * Standard CSPContext init, called from CSPFullPluginSession::init().
- * Reusable, e.g., query followed by en/decrypt.
- */
-void CastContext::init( 
-	const Context &context, 
-	bool encrypting)
-{
-	if(mInitFlag && !opStarted()) {
-		return;
-	}
-
-	CSSM_SIZE	keyLen;
-	uint8 		*keyData = NULL;
-	bool		sameKeySize = false;
-	
-	/* obtain key from context */
-	symmetricKeyBits(context, session(), CSSM_ALGID_CAST, 
-		encrypting ? CSSM_KEYUSE_ENCRYPT : CSSM_KEYUSE_DECRYPT,
-		keyData, keyLen);
-	if((keyLen < kCCKeySizeMinCAST) || (keyLen > kCCKeySizeMaxCAST)) {
-		CssmError::throwMe(CSSMERR_CSP_INVALID_ATTR_KEY);
-	}
-	
-	/*
-	 * Delete existing key if key size changed
-	 */
-	if(mRawKeySize == keyLen) {
-		sameKeySize = true;
-	}
-	else {
-		deleteKey();
-	}
-
-	/* init key only if key size or key bits have changed */
-	if(!sameKeySize || memcmp(mRawKey, keyData, mRawKeySize)) {
-        (void) CCCryptorCreateWithMode(0, kCCModeECB, kCCAlgorithmCAST, ccDefaultPadding, NULL, keyData, keyLen, NULL, 0, 0, 0, &mCastKey);
-	
-		/* save this raw key data */
-		memmove(mRawKey, keyData, keyLen); 
-		mRawKeySize = (uint32)keyLen;
-	}
-	
-	/* Finally, have BlockCryptor do its setup */
-	setup(kCCBlockSizeCAST, context);
-	mInitFlag = true;
-}	
-
-/*
- * Functions called by BlockCryptor
- */
-void CastContext::encryptBlock(
-	const void		*plainText,			// length implied (one block)
-	size_t			plainTextLen,
-	void			*cipherText,	
-	size_t			&cipherTextLen,		// in/out, throws on overflow
-	bool			final)				// ignored
-{
-	if(plainTextLen != kCCBlockSizeCAST) {
-		CssmError::throwMe(CSSMERR_CSP_INPUT_LENGTH_ERROR);
-	}
-	if(cipherTextLen < kCCBlockSizeCAST) {
-		CssmError::throwMe(CSSMERR_CSP_OUTPUT_LENGTH_ERROR);
-	}
-    (void) CCCryptorEncryptDataBlock(mCastKey, NULL, plainText, kCCBlockSizeCAST, cipherText);
-
-	cipherTextLen = kCCBlockSizeCAST;
-}
-
-void CastContext::decryptBlock(
-	const void		*cipherText,		// length implied (one block)
-	size_t			cipherTextLen,
-	void			*plainText,	
-	size_t			&plainTextLen,		// in/out, throws on overflow
-	bool			final)				// ignored
-{
-	if(plainTextLen < kCCBlockSizeCAST) {
-		CssmError::throwMe(CSSMERR_CSP_OUTPUT_LENGTH_ERROR);
-	}
-    (void) CCCryptorDecryptDataBlock(mCastKey, NULL, cipherText, kCCBlockSizeCAST, plainText);
-
-	plainTextLen = kCCBlockSizeCAST;
-}