Security-57031.1.35.tar.gz

[apple/security.git] / libsecurity_apple_csp / lib / rc2Context.cpp

diff --git a/libsecurity_apple_csp/lib/rc2Context.cpp b/libsecurity_apple_csp/lib/rc2Context.cpp
deleted file mode 100644 (file)
index d881022..0000000
--- a/libsecurity_apple_csp/lib/rc2Context.cpp
+++ /dev/null
@@ -1,127 +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.
- */
-
-
-/*
- * rc2Context.cpp - glue between BlockCrytpor and ssleay RC2 implementation
- * Written by Doug Mitchell 04/03/2001
- */
- 
-#include <openssl/rc2.h>
-#include <misc/rc2_locl.h>
-#include "rc2Context.h"
-
-RC2Context::~RC2Context()
-{
-       memset(&rc2Key, 0, sizeof(RC2_KEY));
-}
-       
-/* 
- * Standard CSPContext init, called from CSPFullPluginSession::init().
- * Reusable, e.g., query followed by en/decrypt.
- */
-void RC2Context::init( 
-       const Context &context, 
-       bool encrypting)
-{
-       CSSM_SIZE       keyLen;
-       uint8           *keyData        = NULL;
-       uint32          effectiveBits;
-       
-       /* obtain key from context */
-       symmetricKeyBits(context, session(), CSSM_ALGID_RC2, 
-               encrypting ? CSSM_KEYUSE_ENCRYPT : CSSM_KEYUSE_DECRYPT,
-               keyData, keyLen);
-       if((keyLen < RC2_MIN_KEY_SIZE_BYTES) || (keyLen > RC2_MAX_KEY_SIZE_BYTES)) {
-               CssmError::throwMe(CSSMERR_CSP_INVALID_ATTR_KEY);
-       }
-       
-       /* 
-        * Optional effective key size in bits - either from Context,
-        * or the key
-        */
-       effectiveBits = context.getInt(CSSM_ATTRIBUTE_EFFECTIVE_BITS);
-       if(effectiveBits == 0) {
-               CssmKey &key = context.get<CssmKey>(CSSM_ATTRIBUTE_KEY, 
-                       CSSMERR_CSP_MISSING_ATTR_KEY);
-               effectiveBits = key.KeyHeader.LogicalKeySizeInBits;
-       }
-
-       /* init the low-level state */
-       RC2_set_key(&rc2Key, (int)keyLen, keyData, effectiveBits);
-
-       /* Finally, have BlockCryptor do its setup */
-       setup(RC2_BLOCK_SIZE_BYTES, context);
-}      
-
-/*
- * Functions called by BlockCryptor
- */
-void RC2Context::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 != RC2_BLOCK_SIZE_BYTES) {
-               CssmError::throwMe(CSSMERR_CSP_INPUT_LENGTH_ERROR);
-       }
-       if(cipherTextLen < RC2_BLOCK_SIZE_BYTES) {
-               CssmError::throwMe(CSSMERR_CSP_OUTPUT_LENGTH_ERROR);
-       }
-       
-       /*
-        * Low-level code operates on array of unsigned 32-bit integers 
-        */
-       RC2_INT d[2];
-       RC2_INT l;
-       const unsigned char *pt = (const unsigned char *)plainText;
-       c2l(pt, l); d[0]=l;
-       c2l(pt, l); d[1]=l;
-       RC2_encrypt(d, &rc2Key);
-       unsigned char *ct = (unsigned char *)cipherText;
-       l=d[0]; l2c(l, ct);
-       l=d[1]; l2c(l, ct);
-       cipherTextLen = RC2_BLOCK_SIZE_BYTES;
-}
-
-void RC2Context::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 < RC2_BLOCK_SIZE_BYTES) {
-               CssmError::throwMe(CSSMERR_CSP_OUTPUT_LENGTH_ERROR);
-       }
-       /*
-        * Low-level code operates on array of unsigned 32-bit integers 
-        */
-       RC2_INT d[2];
-       RC2_INT l;
-       const unsigned char *ct = (const unsigned char *)cipherText;
-       c2l(ct, l); d[0]=l;
-       c2l(ct, l); d[1]=l;
-       RC2_decrypt(d, &rc2Key);
-       unsigned char *pt = (unsigned char *)plainText;
-       l=d[0]; l2c(l, pt);
-       l=d[1]; l2c(l, pt);
-       plainTextLen = RC2_BLOCK_SIZE_BYTES;
-}
-