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-rw-r--r--src/libpts/plugins/imv_attestation/attest_db.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/libpts/plugins/imv_attestation/attest_db.c b/src/libpts/plugins/imv_attestation/attest_db.c
index da483bd7f..13a9f9a20 100644
--- a/src/libpts/plugins/imv_attestation/attest_db.c
+++ b/src/libpts/plugins/imv_attestation/attest_db.c
@@ -1144,6 +1144,11 @@ METHOD(attest_db_t, add, bool,
ima = TRUE;
this->algo = PTS_MEAS_ALGO_SHA1;
hasher = lib->crypto->create_hasher(lib->crypto, HASH_SHA1);
+ if (!hasher)
+ {
+ printf("could not create hasher\n");
+ return FALSE;
+ }
}
pathname = this->did ? this->dir : this->file;
@@ -1207,9 +1212,12 @@ METHOD(attest_db_t, add, bool,
strncpy(ima_buffer, filename, IMA_MAX_NAME_LEN);
ima_buffer[IMA_MAX_NAME_LEN] = '\0';
ima_template = chunk_create(ima_buffer, sizeof(ima_buffer));
- hasher->get_hash(hasher, measurement, NULL);
- hasher->get_hash(hasher, ima_template, measurement.ptr);
-
+ if (!hasher->get_hash(hasher, measurement, NULL) ||
+ !hasher->get_hash(hasher, ima_template, measurement.ptr))
+ {
+ printf("could not compute IMA template hash\n");
+ break;
+ }
if (!insert_file_hash(this, PTS_MEAS_ALGO_SHA1_IMA, measurement,
fid, did, TRUE, &ima_hashes_added))
{