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specify supported PTS measurement algorithms

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This commit is contained in:
Andreas Steffen
2011-09-08 12:08:10 +02:00
parent c1a7cb1206
commit 43b172543e
1 changed files with 18 additions and 5 deletions
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src/libimcv/plugins/imv_attestation/imv_attestation.c
+18 -5
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@@ -86,6 +86,8 @@ TNC_Result TNC_IMV_Initialize(TNC_IMVID imv_id,
TNC_Version max_version,
TNC_Version *actual_version)
{
char *hash_alg;
if (imv_attestation)
{
DBG1(DBG_IMV, "IMV \"%s\" has already been initialized", imv_name);
@@ -103,6 +105,21 @@ TNC_Result TNC_IMV_Initialize(TNC_IMVID imv_id,
DBG1(DBG_IMV, "no common IF-IMV version");
return TNC_RESULT_NO_COMMON_VERSION;
}
/* Specify supported PTS measurement algorithms */
hash_alg = lib->settings->get_str(lib->settings,
"libimcv.plugins.imv-attestation.hash_algorithm", "sha256");
if (!strcaseeq(hash_alg, "sha384") && !strcaseeq(hash_alg, "sha2_384"))
{
/* remove SHA384 algorithm */
supported_algorithms &= ~PTS_MEAS_ALGO_SHA384;
}
if (strcaseeq(hash_alg, "sha1"))
{
/* remove SHA256 algorithm */
supported_algorithms &= ~PTS_MEAS_ALGO_SHA256;
}
return TNC_RESULT_SUCCESS;
}
@@ -219,12 +236,8 @@ static TNC_Result send_message(TNC_ConnectionID connection_id)
}
case IMV_ATTESTATION_STATE_PROTO_CAP:
{
pts_meas_algorithms_t algorithms;
/* Send Measurement Algorithms attribute */
algorithms = PTS_MEAS_ALGO_SHA1 | PTS_MEAS_ALGO_SHA256 |
PTS_MEAS_ALGO_SHA384;
attr = tcg_pts_attr_meas_algo_create(algorithms, FALSE);
attr = tcg_pts_attr_meas_algo_create(supported_algorithms, FALSE);
break;
}
case IMV_ATTESTATION_STATE_MEAS_ALGO: