/* * 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. */ /* * FEECSPUtils.h - Misc. utility function for FEE/CryptKit CSP. * * Created 2/20/2001 by dmitch. */ #ifdef CRYPTKIT_CSP_ENABLE #ifndef _FEE_CSP_UTILS_H_ #define _FEE_CSP_UTILS_H_ #include "AppleCSPSession.h" #include <security_cryptkit/feeTypes.h> #include <security_cdsa_utilities/context.h> /* * Default FEE keyblob format, indicating DER-encoding. * FEE keys can optionally be generated by requesting * CSSM_KEYBLOB_RAW_FORMAT_OCTET_STRING, indicating native FEE key blobs. */ #define FEE_KEYBLOB_DEFAULT_FORMAT CSSM_KEYBLOB_RAW_FORMAT_NONE namespace CryptKit { /* Given a FEE error, throw appropriate CssmError */ void throwCryptKit( feeReturn frtn, const char *op); /* optional */ /* * Given a Context: * -- obtain CSSM key of specified CSSM_ATTRIBUTE_TYPE * -- validate keyClass * -- validate keyUsage * -- convert to feePubKey, allocating the feePubKey if necessary */ feePubKey contextToFeeKey( const Context &context, AppleCSPSession &session, CSSM_ATTRIBUTE_TYPE attrType, // CSSM_ATTRIBUTE_KEY, CSSM_ATTRIBUTE_PUBLIC_KEY CSSM_KEYCLASS keyClass, // CSSM_KEYCLASS_{PUBLIC,PRIVATE}_KEY CSSM_KEYUSE usage, // CSSM_KEYUSE_ENCRYPT, CSSM_KEYUSE_SIGN, etc. bool &mallocdKey); // RETURNED /* * Convert a CssmKey to a feePubKey. May result in the creation of a new * feePubKey (when cssmKey is a raw key); allocdKey is true in that case * in which case the caller generally has to free the allocd key). */ feePubKey cssmKeyToFee( const CssmKey &cssmKey, AppleCSPSession &session, bool &allocdKey); // RETURNED /* * Convert a raw CssmKey to a newly alloc'd feePubKey. */ feePubKey rawCssmKeyToFee( const CssmKey &cssmKey); /* * Glue function which allows C code to use AppleCSPSession * as an RNG. A ptr to this function gets passed down to * CryptKit C functions as a feeRandFcn. */ feeReturn feeRandCallback( void *ref, // actually an AppleCSPSession * unsigned char *bytes, // must be alloc'd by caller unsigned numBytes); } /* namespace CryptKit */ #endif /* _FEE_CSP_UTILS_H_ */ #endif /* CRYPTKIT_CSP_ENABLE */