Hi,
I am trying to assign an array as a value to one of the array element, I mean
I have an array @KS and array @kr.
I want array @KS to hold @kr as an element.
So I am doin this
$KS=@kr;
But the value stored is number of elements in the @kr array.
Can... (2 Replies)
Suppose there are two arrays of arrays:
@A = ( , , , );
@B = ( , , , , );
For each of $A, $A, $A..., I want to find the corresponding one in @B (match the letter, like $A eq $B), and print out both the second item, for example, $A and $B.
How can I do this in perl? grep + map? Hope I... (1 Reply)
PHP question...I posted this on the Web Development forum, but maybe this is a better place!
I have an SQL query that's pulled back user IDs as a set of columns. Rather than IDs, I want to use their names.
So I have an array of columns $col with values 1,7,3,12 etc and I've got an array $person... (3 Replies)
here is what i have...
i=1
while read line
do
if grep -i-q "create procedure"<<<$line
then
startline="$line"
endline="blahblah"
Get procedure name into a variable named procName
procName="procedure name is stored"
do some... (2 Replies)
Trying to do some control flow parsing based on the index postion of an array member. Here is the pseudo code I am trying to write in (preferably in pure bash) where possible. I am thinking regex with do the trick, but need a little help.
pesudo code
if == ENDSINFIVEINTS ]]; then
do... (4 Replies)
Hello,
i have a script that i need account_number to match a name.
for exsample :
ACCOUNT_ID=(IatHG8DC7mZbdymSoOr11w KbnlG2j-KRQ0-1_Xk356s8)
and i run a loop curl requst with this the issue is that i want to know on
which account were talking about so bash will know this :
... (4 Replies)
I hate I'm asking for help again. Unfortunately it seems there just aren't any links I can find on making an array that holds a bunch of two dimensional arrays. Maybe my google-fu is lacking. Basically I have a header file like this:
#define MATRIX 10
int white_l1;
int white_l2;
int... (2 Replies)
Corona688 was great in helping me learn how to create arrays that hold other two dimensional array here. Unfortunately I didn't think ask about how to implement or call them. Basically, I'm trying to call an array of two-dimensional arrays like this:
declaration:
int (*side_one) = { { white_l1,... (6 Replies)
Le sigh... Hopefully this will be the last time I have to ask for help on this topic. For a while now I've been working with a 1d array that holds 2d arrays. For reference you can view here. Now I'm just trying to loop through the elements with the following:
#include <stdio.h>
void... (3 Replies)
Discussion started by: Azrael
3 Replies
LEARN ABOUT CENTOS
tpm_quote_tools
TPM QUOTE TOOLS(8) TPM QUOTE TOOLS(8)NAME
TPM Quote Tools
PROGRAMS
tpm_mkuuid, tpm_mkaik, tpm_loadkey, tpm_unloadkey, tpm_getpcrhash, tpm_updatepcrhash, tpm_getquote, tpm_verifyquote
DESCRIPTION
TPM Quote Tools is a collection of programs that provide support for TPM based attestation using the TPM quote operation.
A TPM contains a set of Platform Configuration Registers (PCRs). In a well configured machine, some of these registers are set to known
values during the boot up process or at other times. For example, a PCR might contain the hash of a boot loader in memory before it is
run.
The TPM quote operation is used to authoritatively verify the contents of a TPM's Platform Configuration Registers (PCRs). During provi-
sioning, a composite hash of a selected set of PCRs is computed. The TPM quote operation produces a composite hash that can be compared
with the one computed while provisioning.
To use the TPM quote operation, keys must be generated. During provisioning, an Attestation Identity Key (AIK) is generated for each TPM,
and the public part of the key is made available to entities that validate quotes.
The TPM quote operation returns signed data and a signature. The data that is signed contains the PCRs selected for the operation, the
composite hash for the selected PCRs, and a nonce provided as input, and used to prevent replay attacks. At provisioning time, the data
that is signed is stored, not just the composite hash. The signature is discarded.
An entity that wishes to evaluate a machine generates a nonce, and sends it along with the set of PCR used to generate the composite PCR
hash at provisioning time. For this use of the TPM quote operation, the signed data is ignored, and the signature returned is used to val-
idate the state of the TPM's PCRs. Given the signature, the evaluating entity replaces the nonce in the signed data generated at provi-
sioning time, and checks to see if the signature is valid for the data. If so, this check ensures the selected PCRs contain values that
match the ones measured during provisioning.
A typical scenario for an enterprise using these tools follows. The tools expect AIKs to be referenced via one enterprise-wide Universally
Unique Identifier (UUID). The program tpm_mkuuid creates one.
For each machine being checked, an AIK is created using tpm_mkaik. The key blob produced is bound to the UUID on its machine using
tpm_loadkey. The public key associated with the AIK is sent to the entities that verify quotes. Finally, the expected PCR composite hash
is obtained using tpm_getpcrhash. When the expected PCR values change, a new hash can be generated with tpm_updatepcrhash.
The program to obtain a quote, and thus measure the current state of the PCRs is tpm_getquote. The program that verifies the quote
describes the same PCR composite hash as was measured initially is tpm_verifyquote.
SEE ALSO tpm_mkuuid(8), tpm_mkaik(8), tpm_loadkey(8), tpm_unloadkey(8), tpm_getpcrhash(8), tpm_updatepcrhash(8), tpm_getquote(8), tpm_verifyquote(8)
Oct 2010 TPM QUOTE TOOLS(8)