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TrouSerS expects a bitmask field length of at least 3 bytes

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This commit is contained in:
Sansar Choinyambuu
2011-12-18 18:36:36 +01:00
committed by Andreas Steffen
parent 005d981cc2
commit 6d3b46668f
1 changed files with 5 additions and 1 deletions
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src/libpts/pts/pts.c
+5 -1
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@@ -1155,7 +1155,11 @@ METHOD(pts_t, get_quote_info, bool,
return FALSE; 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; pcr_comp_len = 2 + size_of_select + 4 + this->pcr_count * this->pcr_len;
writer = bio_writer_create(pcr_comp_len); writer = bio_writer_create(pcr_comp_len);