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kaf24@firebug.cl.cam.ac.uk
a108cd0052
and 2) adds a workaround for an Infineon TPM hardware bug. Signed-off-by: Vinnie Scarlata, Joseph Cihula (@intel.com)
92 lines
3.4 KiB
C
92 lines
3.4 KiB
C
// ===================================================================
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//
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// Copyright (c) 2005, Intel Corp.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Intel Corporation nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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// OF THE POSSIBILITY OF SUCH DAMAGE.
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// ===================================================================
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#ifndef __VTPM_BUFFER_H__
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#define __VTPM_BUFFER_H__
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#include <stddef.h> // for pointer NULL
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#include "tcg.h"
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typedef UINT32 tpm_size_t;
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// first version, probably will be expanded...
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#define NULL_BUF {0,0,0,0}
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typedef struct {
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// private!!
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tpm_size_t size, alloc_size;
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BYTE * bytes;
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BOOL is_owner; // do we own this buffer, and need to free it?
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} buffer_t;
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// allocate the buffer if initsize > 0, copying over initval if provided
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TPM_RESULT buffer_init (buffer_t * buf,
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tpm_size_t initsize,
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const BYTE* initval);
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// Create a new buffer from a BYTE *. Use buffer_free to destroy original BYTE *
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TPM_RESULT buffer_init_convert (buffer_t * buf,
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tpm_size_t initsize,
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BYTE* initval);
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// make an alias to a constant array, no copying
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TPM_RESULT buffer_init_const (buffer_t * buf, tpm_size_t size, const BYTE* val);
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// make an alias into buf, with given offset and length
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// if len = 0, make the alias go to the end of buf
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TPM_RESULT buffer_init_alias (buffer_t * buf, const buffer_t * b,
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tpm_size_t offset, tpm_size_t);
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// "copy constructor"
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TPM_RESULT buffer_init_copy (buffer_t * buf, const buffer_t * src);
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// copy into the start of a
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TPM_RESULT buffer_copy (buffer_t * dest, const buffer_t* src);
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// are they equal?
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BOOL buffer_eq (const buffer_t * a, const buffer_t * b);
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// set the buffer to a constant byte
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void buffer_memset (buffer_t * buf, BYTE b);
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tpm_size_t buffer_len (const buffer_t* buf);
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TPM_RESULT buffer_free (buffer_t * buf);
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TPM_RESULT buffer_append_raw (buffer_t * buf, tpm_size_t len, const BYTE* bytes);
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#endif // _TOOLS_H_
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