projects / apple / security.git / blame
| Commit | Line | Data |
|---|---|---|
| b1ab9ed8 A |
1 | /* |
| 2 | * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved. | |
| 3 | * | |
| 4 | * The contents of this file constitute Original Code as defined in and are | |
| 5 | * subject to the Apple Public Source License Version 1.2 (the 'License'). | |
| 6 | * You may not use this file except in compliance with the License. Please obtain | |
| 7 | * a copy of the License at http://www.apple.com/publicsource and read it before | |
| 8 | * using this file. | |
| 9 | * | |
| 10 | * This Original Code and all software distributed under the License are | |
| 11 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS | |
| 12 | * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT | |
| 13 | * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR | |
| 14 | * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the | |
| 15 | * specific language governing rights and limitations under the License. | |
| 16 | */ | |
| 17 | ||
| 18 | ||
| 19 | /* | |
| 20 | * FEECSPUtils.h - Misc. utility function for FEE/CryptKit CSP. | |
| 21 | * | |
| 22 | * Created 2/20/2001 by dmitch. | |
| 23 | */ | |
| 24 | ||
| 25 | #ifdef CRYPTKIT_CSP_ENABLE | |
| 26 | ||
| 27 | #ifndef _FEE_CSP_UTILS_H_ | |
| 28 | #define _FEE_CSP_UTILS_H_ | |
| 29 | ||
| 30 | #include "AppleCSPSession.h" | |
| 31 | #include <security_cryptkit/feeTypes.h> | |
| 32 | #include <security_cdsa_utilities/context.h> | |
| 33 | ||
| 34 | /* | |
| 35 | * Default FEE keyblob format, indicating DER-encoding. | |
| 36 | * FEE keys can optionally be generated by requesting | |
| 37 | * CSSM_KEYBLOB_RAW_FORMAT_OCTET_STRING, indicating native FEE key blobs. | |
| 38 | */ | |
| 39 | #define FEE_KEYBLOB_DEFAULT_FORMAT CSSM_KEYBLOB_RAW_FORMAT_NONE | |
| 40 | ||
| 41 | namespace CryptKit { | |
| 42 | ||
| 43 | /* Given a FEE error, throw appropriate CssmError */ | |
| 44 | void throwCryptKit( | |
| 45 | feeReturn frtn, | |
| 46 | const char *op); /* optional */ | |
| 47 | ||
| 48 | /* | |
| 49 | * Given a Context: | |
| 50 | * -- obtain CSSM key of specified CSSM_ATTRIBUTE_TYPE | |
| 51 | * -- validate keyClass | |
| 52 | * -- validate keyUsage | |
| 53 | * -- convert to feePubKey, allocating the feePubKey if necessary | |
| 54 | */ | |
| 55 | feePubKey contextToFeeKey( | |
| 56 | const Context &context, | |
| 57 | AppleCSPSession &session, | |
| 58 | CSSM_ATTRIBUTE_TYPE attrType, // CSSM_ATTRIBUTE_KEY, CSSM_ATTRIBUTE_PUBLIC_KEY | |
| 59 | CSSM_KEYCLASS keyClass, // CSSM_KEYCLASS_{PUBLIC,PRIVATE}_KEY | |
| 60 | CSSM_KEYUSE usage, // CSSM_KEYUSE_ENCRYPT, CSSM_KEYUSE_SIGN, etc. | |
| 61 | bool &mallocdKey); // RETURNED | |
| 62 | ||
| 63 | /* | |
| 64 | * Convert a CssmKey to a feePubKey. May result in the creation of a new | |
| 65 | * feePubKey (when cssmKey is a raw key); allocdKey is true in that case | |
| 66 | * in which case the caller generally has to free the allocd key). | |
| 67 | */ | |
| 68 | feePubKey cssmKeyToFee( | |
| 69 | const CssmKey &cssmKey, | |
| 70 | AppleCSPSession &session, | |
| 71 | bool &allocdKey); // RETURNED | |
| 72 | ||
| 73 | /* | |
| 74 | * Convert a raw CssmKey to a newly alloc'd feePubKey. | |
| 75 | */ | |
| 76 | feePubKey rawCssmKeyToFee( | |
| 77 | const CssmKey &cssmKey); | |
| 78 | ||
| 79 | /* | |
| 80 | * Glue function which allows C code to use AppleCSPSession | |
| 81 | * as an RNG. A ptr to this function gets passed down to | |
| 82 | * CryptKit C functions as a feeRandFcn. | |
| 83 | */ | |
| 84 | feeReturn feeRandCallback( | |
| 85 | void *ref, // actually an AppleCSPSession * | |
| 86 | unsigned char *bytes, // must be alloc'd by caller | |
| 87 | unsigned numBytes); | |
| 88 | ||
| 89 | } /* namespace CryptKit */ | |
| 90 | ||
| 91 | #endif /* _FEE_CSP_UTILS_H_ */ | |
| 92 | #endif /* CRYPTKIT_CSP_ENABLE */ |