projects / apple / security.git / blame
| Commit | Line | Data |
|---|---|---|
| bac41a7b 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 | * cdsaUtils.h - utility functions for CDSA-related code | |
| 21 | */ | |
| 22 | ||
| 23 | #ifndef _SNACC_CDSA_UTILS_H_ | |
| 24 | #define _SNACC_CDSA_UTILS_H_ | |
| 25 | ||
| 26 | #include <Security/asn-incl.h> | |
| 27 | #include <Security/utilities.h> | |
| 28 | #include <Security/cssmdata.h> | |
| 29 | ||
| 30 | #ifdef __cplusplus | |
| 31 | extern "C" { | |
| 32 | #endif | |
| 33 | ||
| 34 | /* all decoding errors throw CSSMERR_CL_UNKNOWN_FORMAT */ | |
| 35 | ||
| 36 | /* malloc/copy AsnBits.bits -->CssmOwnedData */ | |
| 37 | void SC_asnBitsToCssmData( | |
| 38 | const AsnBits &bits, | |
| 39 | CssmOwnedData &oData); | |
| 40 | ||
| 41 | /* given DER-encoded bit string, decoded it and malloc/copy results | |
| 42 | * back to a CssmOwnedData */ | |
| 43 | void SC_decodeAsnBitsToCssmData( | |
| 44 | const CssmData encodedBits, | |
| 45 | CssmOwnedData &oData); | |
| 46 | ||
| 47 | /* DER-decode any AsnType object */ | |
| 48 | void SC_decodeAsnObj( | |
| 49 | const CssmData &derEncoded, | |
| 50 | AsnType &asnObj); | |
| 51 | ||
| 52 | /* DER-encode any AsnType object. */ | |
| 53 | void SC_encodeAsnObj( | |
| 54 | AsnType &asnObj, | |
| 55 | CssmOwnedData &derEncoded, | |
| 56 | size_t maxEncodedSize); | |
| 57 | ||
| 58 | /* | |
| 59 | * Given a contentLength, obtain the length of the DER length encoding. | |
| 60 | */ | |
| 61 | size_t SC_lengthOfLength( | |
| 62 | size_t contentLen); | |
| 63 | ||
| 64 | /* | |
| 65 | * Encode a DER length field. Pass in the lengthOfLength if you've obtained | |
| 66 | * it in a previous call to CL_lengthOfLength. | |
| 67 | */ | |
| 68 | void SC_encodeLength( | |
| 69 | size_t contentLen, | |
| 70 | void *cp, | |
| 71 | size_t lengthOfLength = 0); | |
| 72 | ||
| 73 | #ifdef __cplusplus | |
| 74 | } | |
| 75 | #endif | |
| 76 | ||
| 77 | #endif /* _SNACC_CDSA_UTILS_H_ */ |