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

diff --git a/libsecurity_apple_csp/lib/gladmanContext.cpp b/libsecurity_apple_csp/lib/gladmanContext.cpp
deleted file mode 100644
index 16fddca7..00000000
--- a/libsecurity_apple_csp/lib/gladmanContext.cpp
+++ /dev/null
@@ -1,173 +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.
- */
-
-
-/*
- * gladmanContext.cpp - glue between BlockCryptor and Gladman AES implementation
- * Written by Doug Mitchell 12/12/2001
- */
- 
-#include "gladmanContext.h"
-#include "cspdebugging.h"
-#include <CommonCrypto/CommonCryptor.h>
-
-/*
- * AES encrypt/decrypt.
- */
-GAESContext::GAESContext(AppleCSPSession &session) : 
-    BlockCryptor(session),
-	mAesKey(NULL),
-	mInitFlag(false),
-	mRawKeySize(0),
-	mWasEncrypting(false)
-{ 
-	cbcCapable(false);
-	multiBlockCapable(false);
-}
-
-GAESContext::~GAESContext()
-{
-    if(mAesKey) {
-        CCCryptorFinal(mAesKey,NULL,0,NULL);
-        CCCryptorRelease(mAesKey);
-        mAesKey = NULL;
-    }
-    
-	deleteKey();
-	memset(mRawKey, 0, MAX_AES_KEY_BITS / 8);
-	mInitFlag = false;
-}
-	
-void GAESContext::deleteKey()
-{
-	mRawKeySize = 0;
-}
-
-/* 
- * Standard CSPContext init, called from CSPFullPluginSession::init().
- * Reusable, e.g., query followed by en/decrypt. Even reusable after context
- * changed (i.e., new IV in Encrypted File System). 
- */
-void GAESContext::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_AES, 
-		encrypting ? CSSM_KEYUSE_ENCRYPT : CSSM_KEYUSE_DECRYPT,
-		keyData, keyLen);
-	
-	switch(keyLen) {
-		case kCCKeySizeAES128:
-		case kCCKeySizeAES192:
-		case kCCKeySizeAES256:
-			break;
-		default:
-			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, or 
-	 * we're doing a different operation than the previous key
-	 * was scheduled for.
-	 */
-	if(!sameKeySize || (mWasEncrypting != encrypting) ||
-		memcmp(mRawKey, keyData, mRawKeySize)) {
-        (void) CCCryptorCreateWithMode(0, kCCModeECB, kCCAlgorithmAES128, ccDefaultPadding, NULL, keyData, keyLen, NULL, 0, 0, 0, &mAesKey);
-
-		/* save this raw key data */
-		memmove(mRawKey, keyData, keyLen); 
-		mRawKeySize = (uint32)keyLen;
-		mWasEncrypting = encrypting;
-	}
-
-	/* we handle CBC, and hence the IV, ourselves */
-	CSSM_ENCRYPT_MODE cssmMode = context.getInt(CSSM_ATTRIBUTE_MODE);
-    switch (cssmMode) {
-		/* no mode attr --> 0 == CSSM_ALGMODE_NONE, not currently supported */
- 		case CSSM_ALGMODE_CBCPadIV8:
-		case CSSM_ALGMODE_CBC_IV8:
-		{
-			CssmData *iv = context.get<CssmData>(CSSM_ATTRIBUTE_INIT_VECTOR);
-			if(iv == NULL) {
-				CssmError::throwMe(CSSMERR_CSP_MISSING_ATTR_INIT_VECTOR);
-			}
-			if(iv->Length != kCCBlockSizeAES128) {
-				CssmError::throwMe(CSSMERR_CSP_INVALID_ATTR_INIT_VECTOR);
-			}
-		}
-		break;
-		default:
-		break;
-	}
-	
-	/* Finally, have BlockCryptor do its setup */
-	setup(GLADMAN_BLOCK_SIZE_BYTES, context);
-	mInitFlag = true;
-}	
-
-/*
- * Functions called by BlockCryptor
- * FIXME make this multi-block capabl3e 
- */
-void GAESContext::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(cipherTextLen < plainTextLen) {
-		CssmError::throwMe(CSSMERR_CSP_OUTPUT_LENGTH_ERROR);
-	}
-    (void) CCCryptorEncryptDataBlock(mAesKey, NULL, plainText, plainTextLen, cipherText);
-
-	cipherTextLen = plainTextLen;
-}
-
-void GAESContext::decryptBlock(
-	const void		*cipherText,		// length implied (one cipher block)
-	size_t			cipherTextLen,	
-	void			*plainText,	
-	size_t			&plainTextLen,		// in/out, throws on overflow
-	bool			final)				// ignored
-{
-	if(plainTextLen < cipherTextLen) {
-		CssmError::throwMe(CSSMERR_CSP_OUTPUT_LENGTH_ERROR);
-	}
-    (void) CCCryptorDecryptDataBlock(mAesKey, NULL, cipherText, cipherTextLen, plainText);
-	plainTextLen = cipherTextLen;
-}
-