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Diffstat (limited to 'src/tpm2/TpmAsn1.h')
| -rw-r--r-- | src/tpm2/TpmAsn1.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/tpm2/TpmAsn1.h b/src/tpm2/TpmAsn1.h new file mode 100644 index 0000000..5e57eac --- /dev/null +++ b/src/tpm2/TpmAsn1.h @@ -0,0 +1,137 @@ +/********************************************************************************/ +/* */ +/* Macro and Structure Definitions for the X509 Commands and Functions. */ +/* Written by Ken Goldman */ +/* IBM Thomas J. Watson Research Center */ +/* $Id: TpmAsn1.h 1519 2019-11-15 20:43:51Z kgoldman $ */ +/* */ +/* Licenses and Notices */ +/* */ +/* 1. Copyright Licenses: */ +/* */ +/* - Trusted Computing Group (TCG) grants to the user of the source code in */ +/* this specification (the "Source Code") a worldwide, irrevocable, */ +/* nonexclusive, royalty free, copyright license to reproduce, create */ +/* derivative works, distribute, display and perform the Source Code and */ +/* derivative works thereof, and to grant others the rights granted herein. */ +/* */ +/* - The TCG grants to the user of the other parts of the specification */ +/* (other than the Source Code) the rights to reproduce, distribute, */ +/* display, and perform the specification solely for the purpose of */ +/* developing products based on such documents. */ +/* */ +/* 2. Source Code Distribution Conditions: */ +/* */ +/* - Redistributions of Source Code must retain the above copyright licenses, */ +/* this list of conditions and the following disclaimers. */ +/* */ +/* - Redistributions in binary form must reproduce the above copyright */ +/* licenses, this list of conditions and the following disclaimers in the */ +/* documentation and/or other materials provided with the distribution. */ +/* */ +/* 3. Disclaimers: */ +/* */ +/* - THE COPYRIGHT LICENSES SET FORTH ABOVE DO NOT REPRESENT ANY FORM OF */ +/* LICENSE OR WAIVER, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, WITH */ +/* RESPECT TO PATENT RIGHTS HELD BY TCG MEMBERS (OR OTHER THIRD PARTIES) */ +/* THAT MAY BE NECESSARY TO IMPLEMENT THIS SPECIFICATION OR OTHERWISE. */ +/* Contact TCG Administration (admin@trustedcomputinggroup.org) for */ +/* information on specification licensing rights available through TCG */ +/* membership agreements. */ +/* */ +/* - THIS SPECIFICATION IS PROVIDED "AS IS" WITH NO EXPRESS OR IMPLIED */ +/* WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR */ +/* FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, COMPLETENESS, OR */ +/* NONINFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS, OR ANY WARRANTY */ +/* OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. */ +/* */ +/* - Without limitation, TCG and its members and licensors disclaim all */ +/* liability, including liability for infringement of any proprietary */ +/* rights, relating to use of information in this specification and to the */ +/* implementation of this specification, and TCG disclaims all liability for */ +/* cost of procurement of substitute goods or services, lost profits, loss */ +/* of use, loss of data or any incidental, consequential, direct, indirect, */ +/* or special damages, whether under contract, tort, warranty or otherwise, */ +/* arising in any way out of use or reliance upon this specification or any */ +/* information herein. */ +/* */ +/* (c) Copyright IBM Corp. and others, 2019 */ +/* */ +/********************************************************************************/ + +// 10.1.15 TpmAsn1.h +// 10.1.15.1 Introduction +// This file contains the macro and structure definitions for the X509 commands and functions. +#ifndef _TPMASN1_H_ +#define _TPMASN1_H_ +// 10.1.15.2 Includes +#include "Tpm.h" +#include "OIDs.h" +// 10.1.15.3 Defined Constants +// 10.1.15.3.1 ASN.1 Universal Types (Class 00b +#define ASN1_EOC 0x00 +#define ASN1_BOOLEAN 0x01 +#define ASN1_INTEGER 0x02 +#define ASN1_BITSTRING 0x03 +#define ASN1_OCTET_STRING 0x04 +#define ASN1_NULL 0x05 +#define ASN1_OBJECT_IDENTIFIER 0x06 +#define ASN1_OBJECT_DESCRIPTOR 0x07 +#define ASN1_EXTERNAL 0x08 +#define ASN1_REAL 0x09 +#define ASN1_ENUMERATED 0x0A +#define ASN1_EMBEDDED 0x0B +#define ASN1_UTF8String 0x0C +#define ASN1_RELATIVE_OID 0x0D +#define ASN1_SEQUENCE 0x10 // Primitive + Constructed + 0x10 +#define ASN1_SET 0x11 // Primitive + Constructed + 0x11 +#define ASN1_NumericString 0x12 +#define ASN1_PrintableString 0x13 +#define ASN1_T61String 0x14 +#define ASN1_VideoString 0x15 +#define ASN1_IA5String 0x16 +#define ASN1_UTCTime 0x17 +#define ASN1_GeneralizeTime 0x18 +#define ASN1_VisibleString 0x1A +#define ASN1_GeneralString 0x1B +#define ASN1_UniversalString 0x1C +#define ASN1_CHARACTER STRING 0x1D +#define ASN1_BMPString 0x1E +#define ASN1_CONSTRUCTED 0x20 +#define ASN1_APPLICAIION_SPECIFIC 0xA0 +#define ASN1_CONSTRUCTED_SEQUENCE (ASN1_SEQUENCE + ASN1_CONSTRUCTED) +#define MAX_DEPTH 10 // maximum push depth for marshaling context. +// 10.1.15.4 Macros +// 10.1.15.4.1 Unmarshaling Macros +#ifndef VERIFY +#define VERIFY(_X_) {if(!(_X_)) goto Error; } +#endif +// Checks the validity of the size making sure that there is no wrap around +#define CHECK_SIZE(context, length) \ + VERIFY( (((length) + (context)->offset) >= (context)->offset) \ + && (((length) + (context)->offset) <= (context)->size)) +#define NEXT_OCTET(context) ((context)->buffer[(context)->offset++]) +#define PEEK_NEXT(context) ((context)->buffer[(context)->offset]) +// 10.1.15.4.2 Marshaling Macros Marshaling works in reverse order. The offset is set to the top of +// the buffer and, as the buffer is filled, offset counts down to zero. When the full thing is +// encoded it can be moved to the top of the buffer. This happens when the last context is closed. + +#define CHECK_SPACE(context, length) VERIFY(context->offset > length) +// 10.1.15.5 Structures +typedef struct ASN1UnmarshalContext { + BYTE *buffer; // pointer to the buffer + INT16 size; // size of the buffer (a negative number indicates + // a parsing failure). + INT16 offset; // current offset into the buffer (a negative number + // indicates a parsing failure). Not used + BYTE tag; // The last unmarshaled tag +} ASN1UnmarshalContext; +typedef struct ASN1MarshalContext { + BYTE *buffer; // pointer to the start of the buffer + INT16 offset; // place on the top where the last entry was added + // items are added from the bottom up. + INT16 end; // the end offset of the current value + INT16 depth; // how many pushed end values. + INT16 ends[MAX_DEPTH]; +} ASN1MarshalContext; +#endif // _TPMASN1_H_ |