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Code Issues Releases Wiki Activity

F-7590 - Reserve the NUL terminator when clamping -secrethex= input

pull/565/head
Aidan Garske 2026-08-06 12:59:09 -07:00
parent 3ab9027b68
commit cc7cb89c11
1 changed files with 2 additions and 2 deletions
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4
examples/boot/secret_seal.c
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@ -152,8 +152,8 @@ int TPM2_Boot_SecretSeal_Example(void* userCtx, int argc, char *argv[])
const char* secretStr = argv[argc-1] + XSTRLEN("-secrethex=");
word32 secretStrSz = (word32)XSTRLEN(secretStr);
int secretHexSz;
if (secretStrSz > (word32)(sizeof(secret)*2-1))
secretStrSz = (word32)(sizeof(secret)*2-1);
if (secretStrSz > (word32)((sizeof(secret)-1)*2))
secretStrSz = (word32)((sizeof(secret)-1)*2);
secretHexSz = hexToByte(secretStr, secret, secretStrSz);
if (secretHexSz < 0) {
printf("Invalid secret hex string\n");