From: Rahul Hardikar <rahulhardikar at gmail.com>
To: tpm2@lists.01.org
Subject: [tpm2] Re: ESys_ActivateCredential
Date: Thu, 16 Apr 2020 12:08:09 -0700 [thread overview]
Message-ID: <CAP3jAwS_1U6z0N+Za8zm1haaC2MOUD-aF-HCdY2mghVV52aKxg@mail.gmail.com> (raw)
In-Reply-To: 476DC76E7D1DF2438D32BFADF679FC5649ED20FC@ORSMSX101.amr.corp.intel.com
[-- Attachment #1: Type: text/plain, Size: 53987 bytes --]
Hi Bill,
So the main thread does a lot of other stuff, tpm2 is just one of them, in
order to avoid blocking main thread, I create another pthread.
This is my logic:
global variables are ESYS_CONTEXT etcx, ESYS_TR ekHandle, ESYS_TR akHandle
so all threads can see this
main_thread():
Calls Esys_initialize() and saves the context
Reads EK_CERT and stores in global variable
creates a new pthread, T_1 and continues with its other work
T_1():
Checks if ectx is not null and
creates EK --saves the handle (ESYS_TR ekHandle) and EK_PUB object
creates AK -- saves the handle (ESYS_TR akhandle) and another global
variable for ak_name
sends EK_CERT, EK_PUB,AK_NAME in a buffer to server (marshaled)
thread exits
Server side again has main thread that accepts it and creates a new thread
S_1() to handle this, S_1() only does external_make_credential(),
(basically GitHub code) and sends SECRET and CREDBLOB back to client
Clients main_thread copies the SECRET/CREDBLOB to a global var and again
creates a new thread T_2 to handle this,
T_2():
T_2 makes sure T_1 is done (which is always done)
Now since ectx,ekHandle,akHandle are all global, it just calls
Esys_ActivateCredential() (after creating the necessary session, of course
)
Esys_Activate...() fails returning 0x2c4 (always..ran it 20times...always)
Now if I do all this in one thread, i.e main, T_1,S_1,T_2 ,it works like a
charm!
Now I see you mentioned that each thread needs its own Esys_Initialize()!!
If that's the case, then I would HAVE to make them persistent, no?
Thanks,
Rahul
On Thu, Apr 16, 2020 at 10:34 AM Roberts, William C <
william.c.roberts(a)intel.com> wrote:
> > -----Original Message-----
> > From: Rahul Hardikar [mailto:rahulhardikar(a)gmail.com]
> > Sent: Wednesday, April 15, 2020 1:06 PM
> > To: Roberts, William C <william.c.roberts(a)intel.com>
> > Cc: Desai, Imran <imran.desai(a)intel.com>; tpm2(a)lists.01.org
> > Subject: Re: [tpm2] Re: ESys_ActivateCredential
> >
> > Thanks Bill. I am taking help from the poky team on this.
> > Getting back to the Activate Credential issue, since my code worked fine
> as a
> > single application as well as being run inside another process but as a
> single
> > thread (including makeCredential and activateCred).
> > My guess for failing is:
> > 1. When server sends secret/credBlob, they dont match ---> But i ran gdb
> and
> > checked all bytes and they match, so thats not an issue, server is
> running same
> > OpenSSL as client, so no mismatch in version for single-threaded vs
> multi-
> > threaded 2. Probably AK key or EK key is not loaded or changed
> > --> to prove this, i would need to use Esys_ReadPublic , if it fails,
> > --> implies its not loaded, if it succeeds, I need to verify ek_pub and
> > --> ak_name is same when we created it
> > Assuming I have the ESYS_CONTEXT saved as well as the ESYS_TR handle for
> both
> > AK and EK saved, Esys_ReadPublic should still work right, as it only
> needs these
> > 2?
>
> What do you mean ESYS_CONTEXT saved? I may be misunderstanding you here,
> But you can't save those, it's a pointer so it has the same lifecycle as
> the process.
> Also, AFIAK, they are not thread safe. Each thread needs its own
> ESYS_CONTEXT
> from Esys_Initialize().
>
> For Esys_ReadPublic(), you need an ESYS_CONTEXT and an ESYS_TR. Like
> ESYS_CONTEXT
> Pointers that cannot be shared, ESYS_TR's are handle's that eventually get
> turned into a
> pointer under the hood, so you can't share those either. You can serialize
> and reserialize to
> pass from thread A to B.
>
> If you want to use the same ESYS_CONTEXT and ESYS_TR from thread A and B,
> you need
> to lock ALL ESYS CALLS. But if you're going to do that, does
> multi-threading really get
> you any benefit.
>
> >
> > Any other reason for failing?
> > Thanks,
> > Rahul
> >
> > On Wed, Apr 15, 2020 at 8:25 AM Roberts, William C <
> william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > wrote:
> >
> >
> > > -----Original Message-----
> > > From: Rahul Hardikar [mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com> ]
> > > Sent: Monday, April 13, 2020 6:55 PM
> > > To: Roberts, William C <william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> >
> > > Cc: Desai, Imran <imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com> >; tpm2(a)lists.01.org
> > <mailto:tpm2(a)lists.01.org>
> > > Subject: Re: [tpm2] Re: ESys_ActivateCredential
> > >
> > > What is the latest stable release for tpm2_tss ?
> >
> > Really? Github has a releases tab, use it.
> > https://github.com/tpm2-software/tpm2-tss/releases
> >
> >
> > >
> > > Thanks,
> > > Rahul
> > >
> > > On Mon, Apr 13, 2020 at 4:38 PM Rahul Hardikar
> > <rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > > wrote:
> > >
> > >
> > > Looks like the version I have is old, the file
> tss2_tctildr.h does not
> > exist
> > >
> > >
> > > On Mon, Apr 13, 2020 at 12:31 PM Rahul Hardikar
> > > <rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com> > >
> wrote:
> > >
> > >
> > > Ok, got it. I'm using ESAPI C APIs. But its pretty
> much the same as
> > > the tpm2 tools implementation.
> > > How do i add debugs in my poky directory? I have
> tpm2.0-
> > > tss_2.1.4.bb <http://tss_2.1.4.bb> <http://tpm2.0-tss_2.1.4.bb>
> file.
> > > Also, how to add compile-time log flags to my src
> file that uses
> > > ESAPI calls? Running separately was easy, I just called
> > > TSS2_LOG="all+ERROR,tcti+DEBUG"
> > >
> > > On Mon, Apr 13, 2020 at 7:20 AM Roberts, William C
> > > <william.c.roberts(a)intel.com <mailto:william.c.roberts(a)intel.com
> >
> > <mailto:william.c.roberts(a)intel.com <mailto:william.c.roberts(a)intel.com>
> > >
> > wrote:
> > >
> > >
> > > > -----Original Message-----
> > > > From: Rahul Hardikar [mailto:
> rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > ]
> > > > Sent: Friday, April 10, 2020 4:15 PM
> > > > To: Roberts, William C <
> william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > >
> > > > Cc: Desai, Imran <imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> >;
> > tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org>
> > > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> >
> > > > Subject: Re: [tpm2] Re:
> ESys_ActivateCredential
> > > >
> > > > Hi Bill,
> > > > I have this on my system: Is tpmrm0 same
> as tabrmd? I
> > > believe mine is using this
> > > > right now , i'm changing it to what you
> mentioned to
> > > see if it helps.
> > > > [root(a)nfvis ~]# ls -l /dev/tpm*
> > > > crw-rw----. 1 tss root 10, 224 Apr 8
> 23:19 /dev/tpm0
> > > > crw-rw----. 1 tss tss 254, 65536 Apr 8
> 23:19
> > > /dev/tpmrm0 Thanks, Rahul
> > >
> > > In theory, yes. In practice no.
> > > /dev/tpmrm0 is the in kernel resource
> manager
> > > tpm2-abrmd is the userspace resource
> manager
> > >
> > > tpm2-abrmd has a few features tpmrm0
> doesn't have,
> > > but unless you're
> > > using policy sessions with tpm2-tools, you
> shouldn't
> > > notice a difference.
> > >
> > > >
> > > > On Fri, Apr 10, 2020 at 11:33 AM
> Roberts, William C
> > > <william.c.roberts(a)intel.com <mailto:william.c.roberts(a)intel.com
> >
> > <mailto:william.c.roberts(a)intel.com <mailto:william.c.roberts(a)intel.com>
> >
> > > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > > > wrote:
> > > >
> > > >
> > > >
> > > >
> > > > > -----Original Message-----
> > > > > From: Rahul Hardikar
> > > [mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com> >
> > > > <mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > > ]
> > > > > Sent: Friday, April 10, 2020
> 1:08 PM
> > > > > To: Roberts, William C
> > > <william.c.roberts(a)intel.com <mailto:william.c.roberts(a)intel.com
> >
> > <mailto:william.c.roberts(a)intel.com <mailto:william.c.roberts(a)intel.com>
> >
> > > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > > >
> > > > > Cc: Desai, Imran <
> imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > > > <mailto:imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > >;
> > tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org>
> > > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> >
> > > > <mailto:tpm2(a)lists.01.org <mailto:
> tpm2(a)lists.01.org>
> > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> >
> > > >
> > > > > Subject: Re: [tpm2] Re:
> ESys_ActivateCredential
> > > > >
> > > > > Thanks Bill, trying that.
> > > > > I did not get debug build
> tpm2_tss, isn't it all
> > > prebuilt ? I will have to see
> > > > how to
> > > > > do it in poky.
> > > >
> > > > If you're getting it from a
> package manager, yes. But
> > > there's nothing
> > > > stopping you
> > > > from using source builds. Some
> distro's will package
> > > debug symbols for
> > > > their
> > > > packages.
> > > >
> > > > >
> > > > > On Fri, Apr 10, 2020 at 8:16 AM
> Roberts, William C
> > > > <william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > <mailto:
> william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > >
> > > > > <mailto:
> william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> >
> > > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > > > > wrote:
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > > -----Original
> Message-----
> > > > > > From: Rahul Hardikar
> > > [mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com> >
> > > > <mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > >
> > > > > <mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > > >
> > > > ]
> > > > > > Sent: Thursday, April 9,
> 2020 2:51 PM
> > > > > > To: Roberts, William C
> > > <william.c.roberts(a)intel.com <mailto:william.c.roberts(a)intel.com
> >
> > <mailto:william.c.roberts(a)intel.com <mailto:william.c.roberts(a)intel.com>
> >
> > > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > >
> > > > > <mailto:
> william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> >
> > > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > > > >
> > > > > > Cc: Desai, Imran <
> imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > > > <mailto:imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> > >
> > > > > <mailto:imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > >
> > >;
> > > > tpm2(a)lists.01.org <mailto:
> tpm2(a)lists.01.org>
> > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> >
> > > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org>
> > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> > >
> > > > > <mailto:tpm2(a)lists.01.org
> <mailto:tpm2(a)lists.01.org>
> > > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> >
> > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org>
> > > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> > > >
> > > > > > Subject: Re: [tpm2] Re:
> > > ESys_ActivateCredential
> > > > > >
> > > > > > Thanks Bill. I use this
> > > > > > Esys_Initialize( &ectx,
> NULL, NULL);
> > > > > >
> > > > > > so i'm assuming it would
> take the default
> > > libtss2-tcti-tabrmd.so.0.
> > > > >
> > > > > This should do it for you:
> > > > > TSS2_RC
> > > > > Tss2_TctiLdr_Initialize
> (const char *nameConf,
> > > > >
> TSS2_TCTI_CONTEXT **context);
> > > > >
> > > > > Set nameConf to the string
> "tabrmd", that
> > > should give you a tcti
> > > > pointer
> > > > > you can
> > > > > pass wot Esys_Initialize()
> > > > >
> > > > > >
> > > > > >
> > > > > > If I need to debug
> Esys_ActivateCredential
> > > more, how can I do it,
> > > > these
> > > > > APIs are
> > > > > > no more standalone, I
> have integrated it in a
> > > bigger code base and
> > > > > added the
> > > > > > esys-tss2 and other libs
> in my poky build, so
> > > now it runs as
> > > > different
> > > > > process that
> > > > > > invokes this function, I
> can gdb into the
> > > process but I can't seem to
> > > > gdb
> > > > > into
> > > > > > Esys_Activate..( )
> > > > >
> > > > > Did you build tpm2-tss
> with debug symbols?
> > > > > Add --enable-debug
> > > > >
> > > > > >
> > > > > >
> > > > > > Thanks,
> > > > > > Rahul
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > On Thu, Apr 9, 2020 at
> 10:23 AM Roberts,
> > > William C
> > > > > <william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > <mailto:
> william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > >
> > > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > <mailto:
> william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > > >
> > > > > > <mailto:
> william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> >
> > > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > >
> > > > > <mailto:
> william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> >
> > > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com>
> > > <mailto:william.c.roberts(a)intel.com
> > <mailto:william.c.roberts(a)intel.com> > > > > > wrote:
> > > > > >
> > > > > >
> > > > > > > -----Original
> Message-----
> > > > > > > From: Rahul
> Hardikar
> > > [mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com> >
> > > > <mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > >
> > > > > <mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > > >
> > > > > > <mailto:
> rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > > > <mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > > > <mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > > > >
> > > > > ]
> > > > > > > Sent: Thursday,
> April 9, 2020 11:18 AM
> > > > > > > To: Desai, Imran
> <imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > > > <mailto:imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> > >
> > > > > <mailto:imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > >
> > > > > > <mailto:
> imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> > >
> > > > <mailto:imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > > >
> > >
> > > > > > > Cc:
> tpm2(a)lists.01.org
> > <mailto:tpm2(a)lists.01.org>
> > > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> >
> > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org>
> > > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> > >
> > > > <mailto:tpm2(a)lists.01.org <mailto:
> tpm2(a)lists.01.org>
> > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> >
> > > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org>
> > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> > > >
> > > > > <mailto:tpm2(a)lists.01.org
> <mailto:tpm2(a)lists.01.org>
> > > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> >
> > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org>
> > > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> > >
> > > > <mailto:tpm2(a)lists.01.org <mailto:
> tpm2(a)lists.01.org>
> > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> >
> > > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org>
> > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> > > > >
> > > > > > > Subject: [tpm2]
> Re:
> > > ESys_ActivateCredential
> > > > > > >
> > > > > > > How do I know
> if RM is being used?
> > > > > >
> > > > > >
> > > > > > If you set the
> tcti to the device tcti, it will
> > > open /dev/tpm0 by
> > > > > default. And
> > > > > > that wont
> > > > > > Be an RM. You can
> also give it an option.
> > > Esys_Initialize() takes a
> > > > tcti
> > > > > as an
> > > > > > option,
> > > > > > NULL will cause it
> to use the default search
> > > behavior of the
> > > > > Tss2_TctiLdr,
> > > > > > see:
> > > > > >
> > > > > >
> https://github.com/tpm2-software/tpm2-
> > > > > >
> > > tss/blob/master/man/Tss2_TctiLdr_Initialize.3.in
> > <http://Tss2_TctiLdr_Initialize.3.in>
> > > <http://Tss2_TctiLdr_Initialize.3.in>
> > > > <http://Tss2_TctiLdr_Initialize.3.in>
> > > > > <
> http://Tss2_TctiLdr_Initialize.3.in>
> > > > > >
> https://github.com/tpm2-software/tpm2-
> > > > > >
> > > tss/blob/master/man/Tss2_Tcti_Device_Init.3.in
> > <http://Tss2_Tcti_Device_Init.3.in>
> > > <http://Tss2_Tcti_Device_Init.3.in>
> > > > <http://Tss2_Tcti_Device_Init.3.in>
> > > > > <
> http://Tss2_Tcti_Device_Init.3.in>
> > > > > >
> https://github.com/tpm2-software/tpm2-
> > > > > tss/blob/master/man/tss2-
> > > > > > tcti-device.7.in <
> http://tcti-device.7.in>
> > <http://tcti-device.7.in>
> > > <http://tcti-device.7.in> <http://tcti-device.7.in>
> > > > > >
> > > > > > You can use man
> locally if you prefer as
> > > well:
> > > > > > man 3
> Tss2_TctiLdr_Initialize
> > > > > > man 7
> tss2-tcti-device
> > > > > > man 3
> Tss2_Tcti_Device_Init
> > > > > >
> > > > > > Note that
> https://github.com/tpm2-
> > > software/tpm2-
> > > > > >
> > > tss/blob/master/man/Tss2_Tcti_Device_Init.3.in
> > <http://Tss2_Tcti_Device_Init.3.in>
> > > <http://Tss2_Tcti_Device_Init.3.in>
> > > > <http://Tss2_Tcti_Device_Init.3.in>
> > > > > <
> http://Tss2_Tcti_Device_Init.3.in>
> > > > > > Has sample code in
> it.
> > > > > >
> > > > > > If you're using
> the tools, it supports
> > > explicitly choosing the TCTI:
> > > > > >
> https://github.com/tpm2-software/tpm2-
> > > > > >
> tools/blob/master/man/common/tcti.md
> > > > > >
> > > > > > Also note that the
> /dev/tpmrm0 (Notice
> > > the RM) is an in-kernel
> > > > > resource
> > > > > > manager.
> > > > > >
> > > > > >
> > > > > > > When I do
> ESys_Initialize, I see these
> > > WARNINGs, wondering
> > > > if it's
> > > > > okay
> > > > > > for multi-
> > > > > > > thread
> > > > > > >
> WARNING:esys:src/tss2-
> > > > >
> esys/esys_tcti_default.c:137:tcti_from_file()
> > > > > > Could not
> > > > > > > load TCTI file:
> libtss2-tcti-default.so
> > > <http://libtss2-tcti-
> > > > > default.so/ <http://default.so/>
> <http://default.so/>
> > > <http://default.so/> >
> > > > > > libtss2-tcti-
> > > > > > > default.so <
> http://libtss2-tcti-
> > > default.so/ <http://default.so/> >
> > > > > > >
> WARNING:esys:src/tss2-
> > > > >
> esys/esys_tcti_default.c:137:tcti_from_file()
> > > > > > Could not
> > > > > > > load TCTI file:
> libtss2-tcti-tabrmd.so
> > > <http://libtss2-tcti-
> > > > > tabrmd.so/ <http://tabrmd.so/>
> > <http://tabrmd.so/>
> > > <http://tabrmd.so/> >
> > > > > > >
> > > > > > > In my single
> threaded process,
> > > everything works so smoothly
> > > > > [root]#
> > > > > > ./tpm
> > > > > > >
> WARNING:esys:src/tss2-
> > > > >
> esys/esys_tcti_default.c:137:tcti_from_file()
> > > > > > Could not
> > > > > > > load TCTI file:
> libtss2-tcti-default.so
> > > <http://libtss2-tcti-
> > > > > default.so/ <http://default.so/>
> <http://default.so/>
> > > <http://default.so/> >
> > > > > > >
> WARNING:esys:src/tss2-
> > > > >
> esys/esys_tcti_default.c:137:tcti_from_file()
> > > > > > Could not
> > > > > > > load TCTI file:
> libtss2-tcti-tabrmd.so
> > > <http://libtss2-tcti-
> > > > > tabrmd.so/ <http://tabrmd.so/>
> > <http://tabrmd.so/>
> > > <http://tabrmd.so/> >
> > > > > > ESYS
> > > > > > > Initialization:
> Pass
> > > > > > >
> > > > > > > Read TPM EK
> Certificate: Pass
> > > > > > >
> > > > > > > TPM EK
> Certificate Root-CA Verification:
> > > Pass
> > > > > > >
> > > > > > > Clear TPM State:
> Pass
> > > > > > >
> > > > > > > Created EK
> Primary object: Pass
> > > > > > > #####Handle
> 0x418368
> > > > > > >
> > > > > > > Create
> Attestation Key: Pass
> > > > > > > #####Ak_Handle
> 0x41836b
> > > > > > >
> > > > > > > Original
> > > Credential="deadbeefdeadbeefdead"
> > > > > > >
> > > > > > > Make Credential:
> Pass
> > > > > > > #####Encrypted
> Credential
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> > Blob="0020508e439bc6512d044bb8739e8d61c8ce3664d25f3572389b46c8797e562a
> > > > > > >
> 45c412864f020a7f1bbcab7a34f0"
> > > > > > >
> > > > > > > #####Encrypted
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> > Secret="b70689bb0ed9fa8324cfa03d727e6c6795069b4f0943108409b89009b9cc76c
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> > 76bddb31a5ccf34cfebc5d3fe715899bb725a8a3c8fe4a6046233869123f3e978051aec
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> > e0d7af0ad6f85164a32fd2c5ad756e8c3b72f6311126de79a30c0d72aa0a6f3f437f6bc
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> > 077c41d3cc6450c71e803ca6074d34ce3debf5114f4bac2fd7ee6a87ef9f07d83079477
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> > 5dda4f77e4620cbaf9aeb302040ee2a66a352b9fffaa5447c09a249bb22d9d989b7f14
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> > 06612a90b8d8bce6bb940fbfd1d50f31398403a2643c73bec336e6fcca46f29f9b6aa87
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> > fd11d53ec6f145d61b2a61dffc783ae2b2c66184435d633d0b5a420efa01748e39d687
> > > > > > >
> e1eb9fcc1759c184972779bfc"
> > > > > > >
> > > > > > > Activating
> Credential: Pass
> > > > > > > #####Recovered
> > > Credential="deadbeefdeadbeefdead"
> > > > > > >
> > > > > > > [root]#
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > On Wed, Apr 8,
> 2020 at 7:02 PM Rahul
> > > Hardikar
> > > > > > <rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > >
> > > > <mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > > >
> > > > > <mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > >
> > > > <mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > > > >
> > > > > > > <mailto:
> rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > > > <mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > >
> > > > > <mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > > >
> > > > <mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > >
> > > > > <mailto:rahulhardikar(a)gmail.com
> > <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> > > <mailto:rahulhardikar(a)gmail.com <mailto:rahulhardikar(a)gmail.com>
> >
> > > >
> > > > > >
> > > > > > > wrote:
> > > > > > >
> > > > > > >
> > > > > > > Thanks
> guys, I'll try this but i also
> > > wanted to know if there
> > > > is a
> > > > > way to
> > > > > > > know if the TPM
> still has the EK and AK
> > > keys loaded? I have
> > > > the EK
> > > > > > handle and AK
> > > > > > > handle (not made
> it persistent) but I
> > > want to make sure it's
> > > > > present as
> > > > > > these are
> > > > > > > necessary for
> ActivateCredential to
> > > succeed
> > > > > > >
> ESys_ActivateCredential complaining
> > > about secret
> > > > parameter
> > > > > > doesn't
> > > > > > > make sense to
> me, I tested on server
> > > side, ak_name is same
> > > > as
> > > > > that
> > > > > > sent and so is
> > > > > > > EK_PUB object as
> well as EK_Cert in
> > > nvram, I call the same
> > > > > > >
> external_makecredential call that's in the
> > > GitHub to create
> > > > secret
> > > > > and
> > > > > > made sure
> > > > > > > secret,credblob
> matches on the client
> > > side when received
> > > > from
> > > > > server.
> > > > > > >
> > > > > > > Thanks,
> > > > > > > Rahul
> > > > > > >
> > > > > > > On Tue,
> Mar 17, 2020 at 6:19 AM Imran
> > > Desai
> > > > > > <imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> > >
> > > > <mailto:imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > >
> > > > > <mailto:imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> > >
> > > > <mailto:imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > > >
> > > > > > > <mailto:
> imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > > > <mailto:imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> > >
> > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > > > <mailto:imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > >
> > > > > <mailto:imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> > >
> > > > <mailto:imran.desai(a)intel.com
> > <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com>
> > > <mailto:imran.desai(a)intel.com <mailto:imran.desai(a)intel.com> >
> > > >
> > > >
> > > > > > wrote:
> > > > > > >
> > > > > > >
> > > > > > >
> Set this up with all handles in use
> > > made persistent. If
> > > > you
> > > > > still see
> > > > > > > issues,
> gdb-break or turn on debug
> > > logging at the Esys call and
> > > > > compare
> > > > > > the
> > > > > > > function
> arguments.
> > > > > > >
> > > > >
> > > _______________________________________________
> > > > > > >
> tpm2 mailing list --
> > > tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org>
> > <mailto:tpm2(a)lists.01.org <mailto:tpm2(a)lists.01.org> >
> > > > <mailto:tpm2(a)lists.01.org <mailto:
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next reply other threads:[~2020-04-16 19:08 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-16 19:08 Rahul Hardikar [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-04-16 21:37 [tpm2] Re: ESys_ActivateCredential Roberts, William C
2020-04-16 17:34 Roberts, William C
2020-04-15 18:05 Rahul Hardikar
2020-04-15 15:25 Roberts, William C
2020-04-15 15:23 Roberts, William C
2020-04-13 23:54 Rahul Hardikar
2020-04-13 23:38 Rahul Hardikar
2020-04-13 19:31 Rahul Hardikar
2020-04-13 14:20 Roberts, William C
2020-04-10 21:15 Rahul Hardikar
2020-04-10 18:33 Roberts, William C
2020-04-10 18:07 Rahul Hardikar
2020-04-10 15:16 Roberts, William C
2020-04-09 19:50 Rahul Hardikar
2020-04-09 17:23 Roberts, William C
2020-04-09 16:17 Rahul Hardikar
2020-04-09 2:02 Rahul Hardikar
2020-03-17 13:20 Imran Desai
2020-03-17 13:06 Roberts, William C
2020-03-16 22:42 Rahul Hardikar
2020-03-13 17:22 Rahul Hardikar
2020-03-13 0:52 Rahul Hardikar
2020-03-10 23:22 Rahul Hardikar
2020-03-10 22:36 Roberts, William C
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