Questions tagged [tpm]

TPM (Trusted Platform Module) is both the name given to a published specification detailing the characteristics of a criptoprocessador safe, capable of storing cryptographic keys that protect information and the general name of implementations of this specification, often called "TPM chip" or "TPM Security Device".

49 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
4
votes
1answer
266 views

Bitlocker USB-Key and harddrive stolen, data still secure?

my Laptop without TPM was stolen. The USB-Key was connected to the device. Can the robber with the usb-key access my data? I have protected my windows account with a password. It is possible to access ...
4
votes
1answer
4k views

How to use OpenSSL with openCryptoki and software TPM?

I would like to make work OpenSSH with OpenSSL plus openCryptoki (pkcs11) plus a software TPM. As far as I have understood, openCryptoki is capable of software token (for test purpose). I would like ...
3
votes
1answer
430 views

How can Windows boot with Bitlocker after clearing the TPM?

After installing Windows, I turned on Bitlocker for a full C:\ drive encryption. I saved the recovery keys and then let Bitlocker proceed with encrypting the full drive. When I rebooted, I was ...
2
votes
0answers
231 views

(Dual boot) Windows 7 asks for recovery key after update

I have an HP Zbook 15 G3 with 2 x Samsung SM961 nVME SSD's installed. One SSD has Windows 7 Ent installed and is protected by BitLocker. The second SSD has Windows 10 Ent installed but is not (...
2
votes
1answer
185 views

Can BitLocker be forced not to use the TPM when one is available?

I have a Dell D420 laptop. I want to encrypt my Windows 8.1 installation using BitLocker, however this computer appears to have a TPM installed and I do not want to use it. BitLocker keeps telling me ...
2
votes
1answer
3k views

How to set up a password to protect bitlocker key with tpm?

My computer is a dell xps12 (2013) laptop running on windows 8.1 pro, uefi and secure boot enabled. I successfully enabled tpm and encrypted system partition with bitlocker. I was a bit surprised it ...
2
votes
0answers
369 views

If TPM owner password set in linux, how to enter owner password in windows to enable bitlocker?

I have successfully taken ownership of, and used various features of, my tpm in linux, using tpm_takeownership and related applications. Now when I try to enter the owner password in windows to ...
2
votes
1answer
3k views

Bitlocker: hardware or software encryption without a TPM?

I'm about to setup a Samsung 840 EVO SSD as the system drive with Windows 8.1 Pro, attached to an Asus P8Z68-V Pro mobo (which doesn't have a TPM). I'll also attach a Western Digital Black HDD for ...
2
votes
1answer
2k views

Dell Vostro suddenly giving “No TPM or TPM has…” message on boot

(Original question title was Dell Vostro suddenly giving "No TPM or TPM has problem" message on boot" but I was pinged by the stack exchange style police for having the word "problem" in my title!) I ...
2
votes
1answer
9k views

Installing Bitlocker on Windows 7 with TPM version 2.0 chip

We are trying to turn on bitlocker with Windows 7 where the laptop is new and has a TPM version 2.0 NOT 1.4 chip in it. We cannot upgrade to Windows 10 due to company policy rules and we have tried ...
1
vote
0answers
32 views

What are these bugs when dual-booting windows with deepin OS?

So I'm dual booting windows 10 with Deepin OS but I keep running into errors that I can't find solutions to because I can't figure out what's wrong. I've followed multiple tutorials, doing everything ...
1
vote
0answers
30 views

Using Bitlocker with no TPM present, but instead using a USB key

I am trying to figure this out two things when using Bitlocker by storing the encryption key on a USB drive. I would like to understand two scenarios. Scene 1: I encrypt the drive using bitlocker ...
1
vote
0answers
24 views

Asus notebook stuck on TPM screen

My Asus Q502L touchscreen notebook is stuck on a TPM selection screen. I am asked to press Esc or F12. No keys work. How do I get this thing back to normal?
1
vote
0answers
83 views

View TPM PCR contents on Windows

How do I view the PCR register contents on Windows? On Linux, you cat /sys/class/tpm/tpm0/device/pcrs, but I cannot find the Windows equivalent.
1
vote
1answer
640 views

TPM 2.0 hardware error DA lockout mode

I'm getting same error as mentioned in this post: TPM 2.0 simulator error DA lockout mode but with a discrete hardware tpm 2.0 module instead of simulator. Tried clearing ownership: # ...
1
vote
0answers
507 views

TPM 2.0 simulator error DA lockout mode

I have been playing around with the TPM 2.0 commands using the tools from https://github.com/tpm2-software/tpm2-tools on a fedora 29. I tried take ownership of the tpm by the example from the system ...
1
vote
0answers
557 views

Boot loop after doing 'Clear TPM' by mistake in BIOS

I was trying to disable 'Secure boot' on my brand new laptop and I pressed enter by mistake while on a field that was named something like 'Clear TPM'. My computer then shut down and now it is looping ...
1
vote
0answers
9k views

Windows 10 Factory Reset - request to clear TPM - what data is cleared

I'm trying to preform a factory reset on my Acer Aspire laptop with a full clean disk. I've been met with a black and blue screen with the message A configuration change was requested to clear ...
1
vote
1answer
1k views

Enabling Intel Trusted Execution Technology (Intel TXT) causes boot failure?

I have Supermicro X11SAE with client TPM and Xeon E3 (v5) installed. TPM is enabled and seems to work fine. Secure boot is enabled and seem to work fine as well. BIOS admin password is set. When I ...
1
vote
0answers
344 views

Gigabyte GC-TPM 2.0 Module in z87x mobo

I purchased a Gigabyte GC-TPM2.0 Module and installed it in my ga-z87x-d3h motherboard, enabled "security device support" (pressed F10 and rebooted) however once back in the Trusted Computing section ...
1
vote
1answer
83 views

What's going on in my BIOS re:M TPM Module

I have a gigabyte GA-P55A-UD4P motherboard. When I bought the motherboard it came with a small pamphlet titled "Step-by-Step Smart TPM User's Manual" so I presumed that it had an onboard TPM installed ...
1
vote
1answer
1k views

How to Enable Hard Drive Encryption with Seagate Constellation ES.3 SED Drive on AMI BIOS with TPM

I'm building up a new machine with a Supermicro MB equipped with a TPM and a Seagate Constellation ES.3 SED drive (ST200NM0053). The MB has the AMI BIOS which does see the TPM. I've installed ...
1
vote
0answers
1k views

Self Encrypting Drives - is it possible to bypass ATA password?

I am using TrueCrypt but I want to buy SSD with SED, it's Samsung 840 Evo. After firmware upgrade it "supports advanced data security features(TCG/Opal and IEEE 1667)". If I set ATA password, would ...
1
vote
0answers
85 views

Add a TPM to a board

I am to release a design based on an Atheros SoC. I want to additionally secure the system. So I'm looking into adding a TPM to the motherboard's design, or using some USB/serial security token. I ...
1
vote
0answers
2k views

Trigger Recoverable BitLocker Lockout

My team is about to provide our traveling colleagues with new Windows 8 laptops. Part of our security solution depends on the use of BitLocker. Every laptop will have two partitions configured like ...
0
votes
0answers
28 views

TPM Chip problems on Surfacebook 2

One of our workers has a Surfacebook 2, on Windows Version 1903, Build 18362 He's using the face recognition and the PIN feature of Windows Hello to sign in to his Computer. He's also using Outlook ...
0
votes
1answer
50 views

How to store GPG keys in TPM

Am working on GPG mechanism to code sign my debian packages. I have generated both Master Key pair and Subordinate Key pairs to sign my packages. Now i want to store my key-pair in TPM hardware ...
0
votes
0answers
40 views

Bitlocker with TPM but without USB key?

I have Windows 10 x64 version 1903 build 18362.418. Recently I have added a TPM module (specification version is 2.0) to my machine and as far as I can tell it is working properly: its Status in tpm....
0
votes
0answers
17 views

Implication of physical access to a hard drive with Bitlocker enabled but without TPM

I have a Windows 10 machine (fully updated as of 2019-10-23) in a work place that I leave at work at the end of the days. I have enabled Bitlocker for the main OS drive which houses some personal data....
0
votes
1answer
30 views

TPM Key Authenticity and Verification

How can the authenticity of the keys stored in the TPM be verified to be authentic? How can the PK, KEK, db and dbx keys viewed by using the command "mokutil --'xx'" (in Ubuntu) be verified to be the ...
0
votes
1answer
41 views

Accessing Trusted Platform Module(TPM) without root permission

Am Working on Trusted Platform Module(TPM) chip(Both TPM12 and TPM20). As of now am doing some operations on TPM such as, taking TPM ownership, Clearing TPM, Generating Keys inside TPM etc. But for ...
0
votes
0answers
49 views

Trying to start Biitlocker I get “This device can't use a Trusted Platform Module.”

I am trying to upgrad a 500GB SATA disk that was bitlocker encrypted to a 2TB disk. Here's what I have done so far. 1. Turn off bitlocker on the source disk. This was necessary to be able to expand ...
0
votes
0answers
29 views

Decrypting old files from broken laptop to another

My laptop has a fingerprint scanner for encrypting files and my laptop is not working now.I have an enctypted files on my hardrive, can i still salvage my encrypted files and decrypt it with other ...
0
votes
0answers
15 views

Windows machine NOT booting to Bit-locker recovery screen

We have 1 user who doesnt remember the bitlocker password and the machine doesnt boot to recovery ID screen on hitting ESC. Can anyone suggest what should be done on such situations or share their ...
0
votes
0answers
238 views

Installing TPM on Windows 10

I have a Sabertooth 990fx revision 2 motherboard, which I've had a number of years and am quite happy with. It is using the 2901 BIOS from 2016, which appears to be the latest available. I wanted to ...
0
votes
1answer
56 views

Windows 10 - Bitlocker - TPM with USB key - Not working

I’ve tried to implement Bitlocker TPM with USB key: I can see the .bek with ‘dir /A:S’. After a restart, the system doesn’t find any USB key. Anything I forgot? Thanks in advance.
0
votes
1answer
181 views

Integrity Measurement - TPM-bypass

I am digging into Integrity Measurement Architecture and try to enable it on an embedded device. I have enabled the IMA related configuration flags and compiled the kernel. I can now see xattr ...
0
votes
0answers
25 views

Does Xeon D-1527 have Trusted Platform Module?

As the question says, does the Intel Xeon D-1527 have a TPM (Trusted Platform Module)?
0
votes
0answers
23 views

Quickly secure boot FDE VHD (without multiple reboots and Bitlocker key)

Can I secure boot to my Bitlocker encrypted VHDX without going through so many reboots? The most significant waste of time; it seems like there are 4 PC resets when I switch OS. I suspect one of the ...
0
votes
0answers
29 views

Isolate (secure) multiple boot images from harming my PC

Is it possible to protect my bare-metal from compromise, so that I can be fairly confident that (for example) restoring a VHDX system image every month keeps me clean? If so, how? I'm building a ...
0
votes
0answers
473 views

“TPM Storage is not available” and other TPM issues

Three days ago I completely reinstalled Windows, including formatting my drives. Two days ago I installed the Windows Cumulative Update, KB4338819. After doing so, I got a TPM reset request on boot....
0
votes
1answer
2k views

Windows 10 TPM Firmware Update for Surface Pro 3

I just updated my OS to windows 10 pro version 1803. In Windows Defender, I now see a warning telling me a firmware update is needed for my security processor (TPM). There is a learn more link that ...
0
votes
1answer
611 views

Windows 10 TPM failing to boot

I have a TPM Module on an old Dell Precision T5400 which I am trying to enable under Windows 10. Unfortunately, windows is hanging on boot at the splash screen after I enable TPM in the BIOS. Does ...
0
votes
1answer
1k views

TPM 2.0 not working - “The resource requested is already in use.” in Device Manager?

I recently updated my laptop (a Thinkpad T460p) to the Windows 10 15019 Insider Preview from the previous Insider build. Before the update, my laptop was whole-drive-encrypted with Bitlocker, and had ...
0
votes
3answers
1k views

I set my bitlocker preboot pin in Arabic

I was trying to set a preboot pin for bitlocker for my laptop. I enabled extended and set the pin in Arabic (thought it wid be more secure). Now at the pin entry page, the keyboard layout is in en-us. ...
0
votes
2answers
974 views

How to add HDD (or SSD) to desktop computer (Fujitsu-Siemens ESPRIMO P7935) equipped with TPM

I am currently trying to add a new 250 GB SSD (Samsung EVO 850) to a Fujitsu-Siemens desktop PC "ESPRIMO P7935" of a friend. The PC is equipped with mainboard "Fujitsu-Siemens D2812-A1", still running ...
0
votes
1answer
3k views

The BitLocker encrypted logical drive of my laptop is not accessible. On clicking error appears,“Application not found”

I had an important personal data that was stored in my laptop drive 'F'. My 4 year old son also uses my laptop to play games. To secure my data I used bitlocker software that was already there in my ...
0
votes
1answer
947 views

Can't open bitlocker with flash drive

I have activated Bitlocker on my Windows 7-64 bit Ultimate machine. The system put the key on a thumb drive. The system will not open with the key on the thumb drive. It is the same key that ...
0
votes
1answer
44 views

Is TPM in lockout mode, when uplug a socket of an internal power supply in Lenovo T440s

My colleague's Lenovo T440s cannot power on/up yesterday, so I opened up the laptop and unplug the socket of the internal battery. I put everything back to normal and power on, and it powered on, so ...