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-rw-r--r--src/libpts/pts/pts_pcr.c289
1 files changed, 0 insertions, 289 deletions
diff --git a/src/libpts/pts/pts_pcr.c b/src/libpts/pts/pts_pcr.c
deleted file mode 100644
index 0af93b608..000000000
--- a/src/libpts/pts/pts_pcr.c
+++ /dev/null
@@ -1,289 +0,0 @@
-/*
- * Copyright (C) 2012 Andreas Steffen
- * HSR Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- */
-
-#include "pts_pcr.h"
-
-#include <utils/debug.h>
-
-#include <stdarg.h>
-
-typedef struct private_pts_pcr_t private_pts_pcr_t;
-
-/**
- * Private data of a pts_pcr_t object.
- *
- */
-struct private_pts_pcr_t {
-
- /**
- * Public pts_pcr_t interface.
- */
- pts_pcr_t public;
-
- /**
- * Shadow PCR registers
- */
- chunk_t pcrs[PTS_PCR_MAX_NUM];
-
- /**
- * Number of extended PCR registers
- */
- u_int32_t pcr_count;
-
- /**
- * Highest extended PCR register
- */
- u_int32_t pcr_max;
-
- /**
- * Bitmap of extended PCR registers
- */
- u_int8_t pcr_select[PTS_PCR_MAX_NUM / 8];
-
- /**
- * Hasher used to extend shadow PCRs
- */
- hasher_t *hasher;
-
-};
-
-METHOD(pts_pcr_t, get_count, u_int32_t,
- private_pts_pcr_t *this)
-{
- return this->pcr_count;
-}
-
-METHOD(pts_pcr_t, select_pcr, bool,
- private_pts_pcr_t *this, u_int32_t pcr)
-{
- u_int32_t i, f;
-
- if (pcr >= PTS_PCR_MAX_NUM)
- {
- DBG1(DBG_PTS, "PCR %2u: number is larger than maximum of %u",
- pcr, PTS_PCR_MAX_NUM-1);
- return FALSE;
- }
-
- /* Determine PCR selection flag */
- i = pcr / 8;
- f = 1 << (pcr - 8*i);
-
- /* Has this PCR already been selected? */
- if (!(this->pcr_select[i] & f))
- {
- this->pcr_select[i] |= f;
- this->pcr_max = max(this->pcr_max, pcr);
- this->pcr_count++;
- }
- return TRUE;
-}
-
-METHOD(pts_pcr_t, get_selection_size, size_t,
- private_pts_pcr_t *this)
-{
-
- /**
- * A TPM v1.2 has 24 PCR Registers so the bitmask field length
- * used by TrouSerS is at least 3 bytes
- */
- return PTS_PCR_MAX_NUM / 8;
-}
-
-typedef struct {
- /** implements enumerator_t */
- enumerator_t public;
- /** current PCR */
- u_int32_t pcr;
- /** back reference to parent */
- private_pts_pcr_t *pcrs;
-} pcr_enumerator_t;
-
-/**
- * Implementation of enumerator.enumerate
- */
-static bool pcr_enumerator_enumerate(pcr_enumerator_t *this, ...)
-{
- u_int32_t *pcr, i, f;
- va_list args;
-
- va_start(args, this);
- pcr = va_arg(args, u_int32_t*);
- va_end(args);
-
- while (this->pcr <= this->pcrs->pcr_max)
- {
- /* Determine PCR selection flag */
- i = this->pcr / 8;
- f = 1 << (this->pcr - 8*i);
-
- /* Assign current PCR to output argument and increase */
- *pcr = this->pcr++;
-
- /* return if PCR is selected */
- if (this->pcrs->pcr_select[i] & f)
- {
- return TRUE;
- }
- }
- return FALSE;
-}
-
-METHOD(pts_pcr_t, create_enumerator, enumerator_t*,
- private_pts_pcr_t *this)
-{
- pcr_enumerator_t *enumerator;
-
- INIT(enumerator,
- .public = {
- .enumerate = (void*)pcr_enumerator_enumerate,
- .destroy = (void*)free,
- },
- .pcrs = this,
- );
-
- return (enumerator_t*)enumerator;
-}
-
-METHOD(pts_pcr_t, get, chunk_t,
- private_pts_pcr_t *this, u_int32_t pcr)
-{
- return (pcr < PTS_PCR_MAX_NUM) ? this->pcrs[pcr] : chunk_empty;
-}
-
-METHOD(pts_pcr_t, set, bool,
- private_pts_pcr_t *this, u_int32_t pcr, chunk_t value)
-{
- if (value.len != PTS_PCR_LEN)
- {
- DBG1(DBG_PTS, "PCR %2u: value does not fit", pcr);
- return FALSE;
- }
- if (select_pcr(this, pcr))
- {
- memcpy(this->pcrs[pcr].ptr, value.ptr, PTS_PCR_LEN);
- return TRUE;
- }
- return FALSE;
-}
-
-METHOD(pts_pcr_t, extend, chunk_t,
- private_pts_pcr_t *this, u_int32_t pcr, chunk_t measurement)
-{
- if (measurement.len != PTS_PCR_LEN)
- {
- DBG1(DBG_PTS, "PCR %2u: measurement does not fit", pcr);
- return chunk_empty;
- }
- if (!select_pcr(this, pcr))
- {
- return chunk_empty;
- }
- if (!this->hasher->get_hash(this->hasher, this->pcrs[pcr] , NULL) ||
- !this->hasher->get_hash(this->hasher, measurement, this->pcrs[pcr].ptr))
- {
- DBG1(DBG_PTS, "PCR %2u: not extended due to hasher problem", pcr);
- return chunk_empty;
- }
- return this->pcrs[pcr];
-}
-
-METHOD(pts_pcr_t, get_composite, chunk_t,
- private_pts_pcr_t *this)
-{
- chunk_t composite;
- enumerator_t *enumerator;
- u_int16_t selection_size;
- u_int32_t pcr_field_size, pcr;
- u_char *pos;
-
- selection_size = get_selection_size(this);
- pcr_field_size = this->pcr_count * PTS_PCR_LEN;
-
- composite = chunk_alloc(2 + selection_size + 4 + pcr_field_size);
- pos = composite.ptr;
- htoun16(pos, selection_size);
- pos += 2;
- memcpy(pos, this->pcr_select, selection_size);
- pos += selection_size;
- htoun32(pos, pcr_field_size);
- pos += 4;
-
- enumerator = create_enumerator(this);
- while (enumerator->enumerate(enumerator, &pcr))
- {
- memcpy(pos, this->pcrs[pcr].ptr, PTS_PCR_LEN);
- pos += PTS_PCR_LEN;
- }
- enumerator->destroy(enumerator);
-
- DBG3(DBG_PTS, "constructed PCR Composite: %B", &composite);
- return composite;
-}
-
-METHOD(pts_pcr_t, destroy, void,
- private_pts_pcr_t *this)
-{
- u_int32_t i;
-
- for (i = 0; i < PTS_PCR_MAX_NUM; i++)
- {
- free(this->pcrs[i].ptr);
- }
- this->hasher->destroy(this->hasher);
- free(this);
-}
-
-/**
- * See header
- */
-pts_pcr_t *pts_pcr_create(void)
-{
- private_pts_pcr_t *this;
- hasher_t *hasher;
- u_int32_t i;
-
- hasher = lib->crypto->create_hasher(lib->crypto, HASH_SHA1);
- if (!hasher)
- {
- DBG1(DBG_PTS, "%N hasher could not be created",
- hash_algorithm_short_names, HASH_SHA1);
- return NULL;
- }
-
- INIT(this,
- .public = {
- .get_count = _get_count,
- .select_pcr = _select_pcr,
- .get_selection_size = _get_selection_size,
- .create_enumerator = _create_enumerator,
- .get = _get,
- .set = _set,
- .extend = _extend,
- .get_composite = _get_composite,
- .destroy = _destroy,
- },
- .hasher = hasher,
- );
-
- for (i = 0; i < PTS_PCR_MAX_NUM; i++)
- {
- this->pcrs[i] = chunk_alloc(PTS_PCR_LEN);
- memset(this->pcrs[i].ptr, 0x00, PTS_PCR_LEN);
- }
-
- return &this->public;
-}
-