Adding upstream version 0.9.2.upstream/0.9.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 162 insertions, 0 deletions

diff --git a/src/tpm12/tpm_digest.c b/src/tpm12/tpm_digest.c
new file mode 100644
index 0000000..0893912
--- /dev/null
+++ b/src/tpm12/tpm_digest.c
@@ -0,0 +1,162 @@
+/********************************************************************************/
+/*										*/
+/*				Digest Handler					*/
+/*			     Written by Ken Goldman				*/
+/*		       IBM Thomas J. Watson Research Center			*/
+/*	      $Id: tpm_digest.c 4071 2010-04-29 19:26:45Z kgoldman $		*/
+/*										*/
+/* (c) Copyright IBM Corporation 2006, 2010.					*/
+/*										*/
+/* All rights reserved.								*/
+/* 										*/
+/* Redistribution and use in source and binary forms, with or without		*/
+/* modification, are permitted provided that the following conditions are	*/
+/* met:										*/
+/* 										*/
+/* Redistributions of source code must retain the above copyright notice,	*/
+/* this list of conditions and the following disclaimer.			*/
+/* 										*/
+/* Redistributions in binary form must reproduce the above copyright		*/
+/* notice, this list of conditions and the following disclaimer in the		*/
+/* documentation and/or other materials provided with the distribution.		*/
+/* 										*/
+/* Neither the names of the IBM Corporation nor the names of its		*/
+/* contributors may be used to endorse or promote products derived from		*/
+/* this software without specific prior written permission.			*/
+/* 										*/
+/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS		*/
+/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT		*/
+/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR	*/
+/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT		*/
+/* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,	*/
+/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT		*/
+/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	*/
+/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	*/
+/* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT		*/
+/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE	*/
+/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.		*/
+/********************************************************************************/
+
+#include <stdio.h>
+#include <string.h>
+
+#include "tpm_debug.h"
+#include "tpm_error.h"
+#include "tpm_structures.h"
+
+#include "tpm_digest.h"
+
+/* TPM_Digest_Init resets a digest structure to zeros */
+
+void TPM_Digest_Init(TPM_DIGEST tpm_digest)
+{
+    printf("  TPM_Digest_Init:\n");
+    memset(tpm_digest, 0, TPM_DIGEST_SIZE);
+    return;
+}
+
+/* TPM_Digest_Load()
+
+   deserialize the structure from a 'stream'
+   'stream_size' is checked for sufficient data
+   returns 0 or error codes
+*/
+
+TPM_RESULT TPM_Digest_Load(TPM_DIGEST tpm_digest,
+			   unsigned char **stream,
+			   uint32_t *stream_size)
+{
+    TPM_RESULT	rc = 0;
+
+    printf("  TPM_Digest_Load:\n");
+    rc = TPM_Loadn(tpm_digest, TPM_DIGEST_SIZE, stream, stream_size);
+    return rc;
+}
+
+/* TPM_Digest_Store()
+   
+   serialize the structure to a stream contained in 'sbuffer'
+   returns 0 or error codes
+
+   After use, call TPM_Sbuffer_Delete() to free memory
+*/
+
+TPM_RESULT TPM_Digest_Store(TPM_STORE_BUFFER *sbuffer,
+			    const TPM_DIGEST tpm_digest)
+{
+    TPM_RESULT	rc = 0;
+
+    printf("  TPM_Digest_Store:\n");
+    rc = TPM_Sbuffer_Append(sbuffer, tpm_digest, TPM_DIGEST_SIZE);	
+    return rc;
+}
+
+void TPM_Digest_Set(TPM_DIGEST tpm_digest)
+{
+    printf("  TPM_Digest_Set:\n");
+    memset(tpm_digest, 0xff, TPM_DIGEST_SIZE);
+}
+
+void TPM_Digest_Copy(TPM_DIGEST destination, const TPM_DIGEST source)
+{
+    printf("  TPM_Digest_Copy:\n");
+    memcpy(destination, source, TPM_DIGEST_SIZE);
+    return;
+}
+
+void TPM_Digest_XOR(TPM_DIGEST out, const TPM_DIGEST in1, const TPM_DIGEST in2)
+{
+    size_t i;
+    
+    printf(" TPM_Digest_XOR:\n");
+    for (i = 0 ; i < TPM_DIGEST_SIZE ; i++) {
+	out[i] = in1[i] ^ in2[i];
+    }
+    return;
+}
+
+/* TPM_Digest_Compare() compares two digests, returning 0 if they are equal
+ */
+
+TPM_RESULT TPM_Digest_Compare(const TPM_DIGEST expect, const TPM_DIGEST actual)
+{
+    TPM_RESULT	rc = 0;
+
+    printf("  TPM_Digest_Compare:\n");
+    rc = memcmp(expect, actual, TPM_DIGEST_SIZE);
+    if (rc != 0) {
+	printf("TPM_Digest_Compare: Error comparing digest\n");
+	TPM_PrintFour("   TPM_Digest_Compare: Expect", expect);
+	TPM_PrintFour("   TPM_Digest_Compare: Actual", actual);
+	rc = TPM_AUTHFAIL;
+    }
+    return rc;
+}
+
+void TPM_Digest_IsZero(TPM_BOOL *isZero, TPM_DIGEST tpm_digest)
+{
+    size_t i;
+
+    printf("  TPM_Digest_IsZero:\n");
+    for (i = 0, *isZero = TRUE ; (i < TPM_DIGEST_SIZE) && *isZero ; i++) {
+	if (tpm_digest[i] != 0) {
+	    *isZero = FALSE;
+	}
+    }
+    return;
+}
+
+#if 0
+void TPM_Digest_IsMinusOne(TPM_BOOL *isMinusOne, TPM_DIGEST tpm_digest)
+{
+    size_t i;
+
+    printf("  TPM_Digest_IsMinusOne:\n");
+    for (i = 0, *isMinusOne = TRUE ; (i < TPM_DIGEST_SIZE) && *isMinusOne ; i++) {
+	if (tpm_digest[i] != 0xff) {
+	    *isMinusOne = FALSE;
+	}
+    }
+    return;
+}
+#endif