WolfSSL
/
wolfTPM
mirror of https://github.com/wolfSSL/wolfTPM.git
1
0
Fork 0
Code Issues Releases Wiki Activity

F-13531 - Guard the object name marshalling on a successful allocation

pull/604/head
Aidan Garske 2026-09-10 11:34:41 -07:00
parent ed95d45f64
commit 022fe8409d
1 changed files with 14 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
src/fwtpm/fwtpm_command.c
View File

@ -6457,18 +6457,21 @@ static TPM_RC FwCmd_Create(FWTPM_CTX* ctx, TPM2_Packet* cmd,
/* Compute object name from public area for creation ticket */
nameDigSz = TPM2_GetHashDigestSize(inPublic->publicArea.nameAlg);
FWTPM_ALLOC_BUF(pubBuf2, FWTPM_MAX_PUB_BUF);
tmpPkt2.buf = pubBuf2;
tmpPkt2.pos = 0;
tmpPkt2.size = (int)FWTPM_MAX_PUB_BUF;
TPM2_Packet_AppendPublicArea(&tmpPkt2, &inPublic->publicArea);
FwStoreU16BE(objName, inPublic->publicArea.nameAlg);
if (nameDigSz > 0) {
int hashRc = wc_Hash(FwGetWcHashType(inPublic->publicArea.nameAlg),
pubBuf2, tmpPkt2.pos, objName + 2, nameDigSz);
if (hashRc == 0)
objNameSz = 2 + nameDigSz;
if (rc == 0) {
tmpPkt2.buf = pubBuf2;
tmpPkt2.pos = 0;
tmpPkt2.size = (int)FWTPM_MAX_PUB_BUF;
TPM2_Packet_AppendPublicArea(&tmpPkt2, &inPublic->publicArea);
FwStoreU16BE(objName, inPublic->publicArea.nameAlg);
if (nameDigSz > 0) {
int hashRc = wc_Hash(
FwGetWcHashType(inPublic->publicArea.nameAlg),
pubBuf2, tmpPkt2.pos, objName + 2, nameDigSz);
if (hashRc == 0)
objNameSz = 2 + nameDigSz;
}
FWTPM_FREE_BUF(pubBuf2);
}
FWTPM_FREE_BUF(pubBuf2);
/* Creation ticket hierarchy = parent's hierarchy per Part 2
* Sec.10.6.5 Table 112. */