diff options
| -rw-r--r-- | src/libpts/pts/pts.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/libpts/pts/pts.c b/src/libpts/pts/pts.c index 2f13ffce2..6469f7cc4 100644 --- a/src/libpts/pts/pts.c +++ b/src/libpts/pts/pts.c @@ -1155,7 +1155,11 @@ METHOD(pts_t, get_quote_info, bool, return FALSE; } - size_of_select = 1 + this->pcr_max / 8; + /** + * A TPM v1.2 has 24 PCR Registers + * so the bitmask field length used by TrouSerS is at least 3 bytes + */ + size_of_select = max(PCR_MAX_NUM / 8, 1 + this->pcr_max / 8); pcr_comp_len = 2 + size_of_select + 4 + this->pcr_count * this->pcr_len; writer = bio_writer_create(pcr_comp_len); |