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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2019-01-09 00:25:06 +0100 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2019-01-09 00:30:12 +0100 |
| commit | 652e989d238fff2ade0de5a33a0e307e233c06e0 (patch) | |
| tree | 21ead198c765bc51b839748ca06c7cdecea663d7 /src/Common/Crypto.c | |
| parent | 7c2cf7889f96292d037c21c680b641f70a4d390f (diff) | |
| download | VeraCrypt-652e989d238fff2ade0de5a33a0e307e233c06e0.tar.gz VeraCrypt-652e989d238fff2ade0de5a33a0e307e233c06e0.zip | |
Windows Security: Add new entry point in driver that allows emergency clearing of all encryption keys from memory. This entry point requires administrative privileges and it will caused BSDO when system encryption is active. It can be useful for example to applications that monitors physical access to the machine and which need to erase sensitive key material from RAM when unauthorized access is detected.
Diffstat (limited to 'src/Common/Crypto.c')
| -rw-r--r-- | src/Common/Crypto.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/Common/Crypto.c b/src/Common/Crypto.c index 00d44a93..f63062a3 100644 --- a/src/Common/Crypto.c +++ b/src/Common/Crypto.c @@ -884,6 +884,16 @@ void crypto_loadkey (PKEY_INFO keyInfo, char *lpszUserKey, int nUserKeyLen) burn (keyInfo->userKey, sizeof (keyInfo->userKey)); memcpy (keyInfo->userKey, lpszUserKey, nUserKeyLen); } + +void crypto_eraseKeys (PCRYPTO_INFO cryptoInfo) +{ + burn (cryptoInfo->ks, sizeof (cryptoInfo->ks)); + burn (cryptoInfo->ks2, sizeof (cryptoInfo->ks2)); + burn (cryptoInfo->master_keydata, sizeof (cryptoInfo->master_keydata)); + burn (cryptoInfo->k2, sizeof (cryptoInfo->k2)); + burn (&cryptoInfo->noIterations, sizeof (cryptoInfo->noIterations)); + burn (&cryptoInfo->volumePim, sizeof (cryptoInfo->volumePim)); +} #endif void crypto_close (PCRYPTO_INFO cryptoInfo) |