Security :: Read Password From AES Encryption From Txt File?
Jan 18, 2011
am fiddling around using an AES encrypted password which is stored in passwd.txt:cat ../passwd/passwd.txt
{AES}yTMWTrdbuPtCxikvv5udVDTQ70anBVVKvP+GPQEH1RY=Yet I like to interpret this password on the command line using svn checkout, so I do not have to type in my password ( which is visible on the command line):Exporting the variable SVNPASS reading it from the passwd.txt ( export SVNPASS=`cat <../passwd/passwd.txt`) won't work obviously as it interprets it as "text", so my question is, if there is a proper way to interpret this stored AES password so I can read it from the file?The alternative is to type in the password on the command line, but this needs to be invisible eitehr showing #, * or "hidden".
the last option is described: http://www.tech-recipes.com/rx/278/h...-shell-script/
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Oct 22, 2010
I know this has probably been asked too many times here but I need to secure my emails. Personal matters of course. But yeah. I use the program "Password and Encryption Keys" to generate a key to sign my emails with but I do not know what to do. To be blunt, I'm stupid when it comes to this. IF not, steps in creating a key? and giving it (my public key) to the significant other? Finding where both keys are? Implementing it into Thunderbird? If it helps any here's some extra information: Ubuntu distro: Ubuntu 10.04 Email client: Thunderbird
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Oct 19, 2009
When I installed Fedora selected the option to encrypt the hard drive. I want to change the passphrase, is there a way to change the passphrase, or do I have to re-install Fedora?
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Nov 20, 2010
I have two cryptsetup volumes with the same password that I want to open in a bash script, and I want to avoid writing the passphrase twice. I was thinking of using read -s. Is there any security problems with this?The other alternative would be to have a password file on a small partition encrypted with a passphrase. Then only give the passphrase and let the script open up all encrypted volumes using the password file. However this seems overly complicated. But is it more secure?
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Aug 8, 2010
Is there a way to change the password for the whole disk encryption?
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Mar 20, 2010
When installing the latest Distro of Mint (I believe this is not much different, if at all, from Ubuntu as far as this goes) I chose to have my Home folder encrypted using the login password. This was a function of the installation. What I was wondering about was how secure this was and if I should maybe use something to do a better encryption or not.
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Jul 30, 2010
I want to automate the following manual process.Currently, I am encryptying a set of files using openssl as follows:Encrypt file.txt to file.out using 256-bit AES in CBC mode $ openssl enc -aes-256-cbc -salt -in file1 -out file1.enI am then prompted for a password, which is then used to encrypt the fileWhen decrypting, I type $ openssl enc -d -aes-256-cbc -infile1.enc -out fileI am then prompted for the password - which again, I manually type.I want to automate this process of en/decryption - so I need to find a way of providing openssh with the password.
My first thought is whether it is possible to read the password from a file (say)? Or is there a better way of doing this?Also, I suppose that I will have to place restriction on who can view the password file - otherwise, that defeats the whole objective of using a password. I am thinking to run the bash script as a specific user, and then give only that user read rights to the contents of that file.Is this the way its done - or is there a better way?Ofcourse all of this leads to yet another question - which is, how to run a bash script as another user - without having to type the user pwd at the terminal.
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Feb 14, 2010
I know how to mount it manually. I've seen a howto on how to mount it automatically by loging in with the user, you type your username and password and it mounts your encrypted partition. But that's not what I want. My idea is to call cryptsetup and mount on boot, AND ask me for passphrase like when its loading the system, then if I don't type the right password it shouldn't mount /home, even though i type the correct USER password later when the system is loaded(and then I'd have an empty /home since my home partition wasn't mounted due to wrong passphrase).
This is what I tried: I added the commands to rc.local and I don't even feel like it was executed, no passphrase was asked. As a test if commands there were being executed, I tried simple commands lile mkdir /test and it worked. So commands there are executed, yet, no passphrase was asked to me, I looked on dmesg for crypt and found nothing, I pressed alt+ctrl+F1 desiring to find a passprhase-ask and again, nothing.
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Aug 16, 2011
I plan to use newsbeuter for console RSS reading.This program has a config text file where I need to store my Google account password,in order to access my Google reader.I don't feel easy at making my password readable to everyone.Is there anyway I can somehow encrypt this information ?
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Dec 16, 2009
Suppose I have a binary program with only execute permission enabled for the current user. How (in general) would I be able to obtain a core dump of the file? I think I have read it somewhere but I want to know if there are more ways of doing it.
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Nov 30, 2010
I created a password-protected .doc file in Windows yesterday using the latest version of OpenOffice (3.2.1)Opening the file worked perfectly; double-clicked the file, OpenOffice popped up and prompted me for the password, then it let me edit the document as usual.Tried it on another computer with Microsoft Word; worked perfectly as wellFor some reason though, it won't work in Ubuntu (10.10). I'll double-click the file, it'll open with OpenOffice and prompt me for the password, but once it opens it's in "Read Only" mode.I tried it on another Windows computer, just to see if it would work, and it did.I right-clicked the .doc file and looked at the permissions: (picture edited for privacy)Every time I tried changing it from "Read-only" to "Read and write" it automatically (and immediately) switched back to "Read-only"
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Jun 7, 2011
I am not very security minded...I'm aware of it, and always made sure I had up-to-date overall protection in Windows but firewalls, and the blasted passwords are largely a thorn in my side!When I got my iPhone last year I suddenly discovered password managers & "wallets" to keep all that kind of information in and syncable across different devices. My life got so much easier. Of course now I need to figure out encryption keys, and how they work (I'm clueless). I also need to find a program or system that I can move my existing low-tech info (mailnly user name & passwords) that will also accomodate the increased needs of Ubuntu security and still be sync-able. I started a little research weeks ago, but my current "wallet" only exports .csv so I quit since I'm going to have to do a lot of data entry whatever I go with.So here goes:
1) what is the difference (bare bones) between using an encryption key (e.k.) vs. a standard user created password? what situations are better suited for e.k.?
2) I have seahorse (default intall with Ubuntu I guess) but the only thing in it is Login under passwords which leads to a login keyring (?) and a drop-down list of about 6-10 of the gazillon passwords I use daily. The other tabs are for keys which I don't have any concept of.
3) I know FF also "remembers" user id & passwords as you choose to have it do so. Is that information transferable into seahorse or another program?
4)I'm also (today) getting ready to really set up my system for user names & security across my little home network. How can I integrate that into whichever program/app I go with to store my pwds and keys?
5)give me links to fairly current documentation on this stuff?
6) Any program/app recommendations.Pros/cons uses, what they can & can't do or be used for, etc.
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Jun 23, 2009
I am interested in making the root file system is read-only. I've moved /var and /tmp file systems to another partitions. There are two files in the /etc directory that need to be writable.
These are:
I've moved this files to /var and linked it. I've added command to the /etc/rc.d/rc.local file:
That's it. Are there other solutions to make the root file system is read-only?
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Dec 23, 2010
I am building an active directory and using BIND9 as my DNS. To allow for secure dynamic updates from the domain, I am enabling GSS-TSIG as detailed here and here. Unfortunately, some of the commands and configurations used here seem to be depreciated, at least in the newer versions that I'm using. My issue is one of keytab encryption. I generated a keytab using ktpass.exe on the Windows Server 2008 domain controller. I have tried DES/MD5, AES128/SHA1 and AES256/SHA1, each have been turned down by ktutil on the kerberos server (FreeBSD). Each time, it outputs the following error: ktutil: AES256/SHA1*: encryption type AES256/SHA1* not supported *Respective to encryption used.
I cannot find a list of suitable encryption schemes that ktutil will accept. The FreeBSD handbook details a means of producing a keytab file, but I'm not sure how to configure the Domain Controller to use the keytab.
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Oct 12, 2009
I was wondering how to password protect certain file folders?
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Jun 7, 2010
I noticed that our /etc/shadow file is readable on a patch I released for one of our in house linux boxes a while back ago. Could they use it to gain access the root account etc? Our passwords are all MD5 encrypted.
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Feb 4, 2010
What are the possible problem when Windows access the file from Ubuntu got Read Only even though have a full permission to read, write and execute the file? Ubuntu to Ubuntu accessing the file there is no problem only Windows got a problem.
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Nov 13, 2010
I couldnt find any relevant threads so I created a new oneI am at my wits end sudden my encryption password is being rejected. It has worked before and it is written down I even tried loading a LiveCD hoping maybe an update screwed it up but even in the LiveCD the password isnt working.This wouldnt be such a big deal if I havent changed all my passwords and stored them in KeePass and havent got a chance to back it up yet
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Jun 16, 2009
I am moving my Linux server from Suse 10 to Ubuntu 9.04 and I moved the significant parts of /etc/shadow, /etc/passwd, and /etc/group over to Ubuntu 9.04. I am not able to login into the computer with the old accounts. The only problem I see is that the old accounts use Blowfish and DES to encrypt the passwords in /etc/shadow, and Ubuntu uses SHA512. If I change the passwords, the accounts will work. However; I have about 300 accounts to move, and I don't want to do that to all of them. I have tired Ubuntu Forums and talked to every linux expert I know, and no one has an answer.
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Mar 22, 2011
I decided to go for an encrypted home folder. It's really really cool that ubuntu offers the encryption now out of the box!
However it auto generated a password for the encryption for me. While the password might be safe, it is impossible for me to remember. And writing it down on a piece of paper, which I would then carry around along with my laptop seems to make the whole encryption obsolete...
Long story short: Can you pinpoint me on how to change the encryption password?
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May 11, 2011
How to disabling Encryption keys ?(ubuntu 10.10)
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May 12, 2011
Am configured SVN on Ubuntu 10.04 ,It's Working fine ;svn access method is svn://ipaddress .In this method am not encrypting the password ,Currently my passwd (/homesvnMyProject/conf )file like that [users]test = testNow i want to Implement the password Encryption for any users, without implementing svn+ssh:// method
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Feb 2, 2010
When I user wants to navigate through the internet, he must first give his username and password. The password is sent in clear text. I would like to encrypt this using SSL (or an other solution already integrated in Squid). Is this possible in Squid?I read that "user_cert" option can do this, but I couldn't configure it.I have: acl myacl user_cert src 192.168.1.5Which gives: "aclParseAclLine: Invalid ACL type 'user_cert'"The other solution is probably tunneling, but I don't want to install special software on the client machines
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Apr 3, 2010
Is there a program that allows me to password lock a single file or folder?
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Nov 11, 2010
there is one problem i encountered here while working with Embedded Artist board or Lpc 2478 uclinux.so my questions.what type of encryption does this uclinux use to encrypt the password?instead of using these 2 username and password,can i put my own password and username?
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Jul 3, 2009
I've been trying to write php or perl code to generate the sha-512 password hashes in fedora. I've been unable to do the hashing which is encoded in the shadow file on fedora core 11. Does anyone have php or perl code which provides the hashing algorithm. (All of my attempts result in the encrypted hashing being longer than 86 character -- the length that crypt says the sha-512 should be)
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Sep 24, 2010
Im using opennms network configuration backup server called 'RANCID'.It run on top of RHEL5 system and using APache. Here's the link which i'm accessing [URL] But any one can access this URL and obtain my configuration files
I want to secure this using a logon page.allow login Only for the successful authentications by entering the predefined username and password But after get authenticate book marking the above URL still can access anyone since it didnt prompt username and password again In eachtime executing the above url it should direct to authenticate page
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Jun 14, 2010
i have found this xor encryption program
Code:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX_SIZE 256
[code]....
Its working fine, it can encrypt and decrypt. but how strong is it ? is it all depending on the specified key ?
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Feb 20, 2011
I am looking for some software (not Tryecrypt) where I can just right click a file and it will encrypt it for me. It would be nice to unencrypt on Windows but not essential.
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Mar 11, 2011
Is it possible to have two passwords associated with one account, one that is the actual one, and another one, a duress password, that upon entering gives a similar (desktop) environment with "decoy data"?
The idea is to have the bogus password go to an encrypted home drive that looks as if it were the real deal, but it is wiping particular sensitive (encrypted) data that is visible only with the real password in the background, so that the actual data that need to be protected are not compromised. While the person who unlocked the computer tries to find the information on it between all the rubbish files, the real files are securely wiped. The files are very sensitive in nature, so it's better to have then destroyed than have unauthorized people access them, in the event of that happening.
I happen to know that TrueCrypt has a similar option but that requires an entire decoy operating system (and I think that might be a bit conspicuous), but is there a native linux way to do it?
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