Security-59306.11.20.tar.gz

[apple/security.git] / OSX / libsecurity_apple_csp / lib / miscalgorithms.cpp

diff --git a/OSX/libsecurity_apple_csp/lib/miscalgorithms.cpp b/OSX/libsecurity_apple_csp/lib/miscalgorithms.cpp
deleted file mode 100644 (file)
index 1083274..0000000
--- a/OSX/libsecurity_apple_csp/lib/miscalgorithms.cpp
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Copyright (c) 2000-2001,2011,2014 Apple 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.
- */
-
-#ifdef BSAFE_CSP_ENABLE
-
-//
-// miscalgorithms - miscellaneous BSafe context creators and managers
-//
-#include "bsafecspi.h"
-
-#include <stdio.h>     // debug
-
-
-//
-// Digest algorithms.
-// NOTE: There is no init() method, since BSafe digest algorithms re-initialize
-// automatically and there is no directional difference.
-//
-BSafe::DigestContext::DigestContext(
-       AppleCSPSession &session,
-       const Context &, 
-       B_INFO_TYPE bAlgInfo, 
-       size_t sz)
-       : BSafeContext(session)
-{
-    mOutSize = sz;
-    inUpdate = B_DigestUpdate;
-    outFinal = B_DigestFinal;
-    setAlgorithm(bAlgInfo);
-    check(B_DigestInit(bsAlgorithm, bsKey, chooser(), bsSurrender));
-    initialized = true;
-}
-
-
-//
-// Signing/Verifying algorithms
-//
-// FIXME:
-// We really should match the key algorithm to the sign/vfy
-// algorithm. Also: verify key usage bits. 
-void BSafe::SigningContext::init(
-       const Context &context, 
-       bool signing)
-{
-    if (reusing(signing))
-        return;                // all set to go
-
-    setAlgorithm(algorithm, NULL);
-    setKeyFromContext(context);        // may set outSize for some keys
-
-    if (signing) {
-        check(B_SignInit(bsAlgorithm, bsKey, chooser(), bsSurrender));
-        setRandom();   // needed by some signing algorithms
-        inUpdate = B_SignUpdate;
-        outFinalR = B_SignFinal;
-        outFinal = NULL;
-    } else {
-        check(B_VerifyInit(bsAlgorithm, bsKey, chooser(), bsSurrender));
-        inUpdate = B_VerifyUpdate;
-        inFinalR = B_VerifyFinal;
-        inFinal = NULL;
-    }
-}
-
-
-//
-// MAC algorithms.
-// Note that BSafe treats MACs as digest algorithms - it has no MAC algorithm
-// class. Thus, verifying consists of "digesting" followed by comparing the result.
-//
-// FIXME : what kind of key do we expect here? For now, any old 
-// symmetric key will work...
-//
-void BSafe::MacContext::init(
-       const Context &context, 
-       bool signing)
-{
-    if (reusing(signing))
-        return;                // all set to go
-
-    B_DIGEST_SPECIFIER digestSpec;
-    digestSpec.digestInfoType = algorithm;
-    digestSpec.digestInfoParams = NULL;
-
-    setAlgorithm(AI_HMAC, &digestSpec);
-    setKeyFromContext(context);
-    check(B_DigestInit(bsAlgorithm, bsKey, chooser(), bsSurrender));
-    
-    if (signing) {
-        inUpdate = B_DigestUpdate;
-        outFinal = B_DigestFinal;
-    } else {
-        inUpdate = B_DigestUpdate;
-        // need not set xxFinal - we override final().
-    }
-}
-
-void BSafe::MacContext::final(const CssmData &in)
-{
-    // we need to perform a DigestFinal step into a temp buffer and compare to 'in'
-    void *digest = normAllocator->malloc(in.length());
-    unsigned int length;
-    check(B_DigestFinal(bsAlgorithm, POINTER(digest), &length, in.length(), bsSurrender));
-    bool verified = length == in.length() && !memcmp(digest, in.data(), in.length());
-    normAllocator->free(digest);
-       initialized = false;
-    if (!verified)
-        CssmError::throwMe(CSSMERR_CSP_VERIFY_FAILED);
-}
-
-
-//
-// Random-number generation algorithms.
-// Note that we don't use bsRandom, since that's our internal fixed "best to use" method,
-// not the one the user asked for.
-// NOTE: We freeze the output size at init().
-//
-void BSafe::RandomContext::init(const Context &context, bool)
-{
-       reset();        // throw away, we need to re-seed anyway
-       setAlgorithm(algorithm, NULL);  // MD5 generator mode (RSA proprietary)
-       check(B_RandomInit(bsAlgorithm, chooser(), bsSurrender));
-       
-       // set/freeze output size
-       mOutSize = context.getInt(CSSM_ATTRIBUTE_OUTPUT_SIZE, CSSMERR_CSP_MISSING_ATTR_OUTPUT_SIZE);
-       
-       // seed the PRNG (if specified)
-       if (const CssmCryptoData *seed = context.get<CssmCryptoData>(CSSM_ATTRIBUTE_SEED)) {
-               const CssmData &seedValue = (*seed)();
-               check(B_RandomUpdate(bsAlgorithm, POINTER(seedValue.data()), seedValue.length(), bsSurrender));
-       }
-}
-
-void BSafe::RandomContext::final(CssmData &data)
-{
-       check(B_GenerateRandomBytes(bsAlgorithm, POINTER(data.data()), mOutSize, bsSurrender));
-}
-#endif /* BSAFE_CSP_ENABLE */