The hashing tag has no wiki summary.
1
vote
3answers
258 views
Is it possible to decrypt MD5 Hashing?
I was seeing a video on how to hash passwords with MD5 Hashing. After googling on it I found out that Facebook also uses MD5 hashing scheme. Now I was curious to know if we can decrypt the password ...
0
votes
1answer
33 views
Hash Calculating Tools [closed]
Possible Duplicate:
File checksum calculator for Windows
What are some simple one-click tools to calculate hash of any file?
For example: I'm looking for something simple like with Right ...
1
vote
1answer
110 views
Is the linux md5 password hashing considered secure?
On my RHEL6 linux is configured to use MD5 password hashing is the linux usage of MD5 for password hashing considered secure?
0
votes
1answer
43 views
How to check file against a hash on windows 7?
How to check downloaded file against its hash (SHA-256 Hash, SHA-1 Hash, MD5 Hash) on windows?
0
votes
4answers
171 views
Is there a hashing algorithm that allows me to specify output character length?
My security officer is looking for a hashing algorithm that will take a string of up to 20 characters, and then output a unique, 12-character alphanumeric hash. The 20-character string is generally ...
1
vote
2answers
226 views
md5sum of files in two folders
I'm trying to compare all the files in two folders via an md5sum in one command. Some like the following (bash) in Debian:
$ cd ~/FOLDER1
$ md5sum ~/FOLDER2/* | md5sum -c -
The idea is that the ...
2
votes
1answer
99 views
Tool for getting a complete directory/file listing with complete, detailed information
Once in a while, I take a complete snapshot of my drives with a command like the following.
> for %i in (%drives_hd%) do @dir %i:\/s/a/o>>File_List.txt
This gives detailed information ...
4
votes
1answer
389 views
enabling LM hash in Windows 7
Is there any way to enable/convert an NTLM hash for a user account on Windows 7 to a LM hash? I know it's not secure, but I am trying to test something. Is it even possible?
1
vote
3answers
288 views
How to add hash to MS Word documents?
I'd like to add a SHA, or some other kind of a hash to a Word (for Windows) document.
Is there a good program / macro that would help me with that? Or some kind of a tutorial somewhere on the net? ...
1
vote
0answers
19 views
Custom Rule Sets in JohnTheRipper
I'm trying to create a custom rule set to do hash cracking. I have a SHA1 hash and a rule set that was enforced to create the password.
The password must be of the form,
6-8 characters
Every other ...
0
votes
1answer
150 views
File comparison program for Windows Server 2008 R2
I'm looking for a program I once heard of, but I can't remember its name. The program could generate hashes other programs and calculate the difference between two programs in percentages.
I vaguely ...
0
votes
2answers
384 views
How to download a file properly with a proper hash check? [closed]
Possible Duplicate:
EXE file package repair
I'm trying to download the Oracle VM with Enterprise Linux and database tools from here.
It's an appliance that can be imported with VirtualBox ...
7
votes
2answers
371 views
MD5 and SHA1 checksum uses for downloading
I notice that when downloading a lot of open source tools (Eclipse, etc.) there are links for MD5 and SHA1 checksums, and didn't know what these were or what their purpose was.
I know these are ...
2
votes
1answer
353 views
Compute salt with known plaintext and hash?
I have the string that was used in a webapp with md5 hashing to come up with a hash. I also have the hash. But the md5 of the string doesn't match the hash, so I'm guessing there's a salt involved. Is ...
5
votes
3answers
583 views
Best Way to Archive Digital Photos and Avoid Duplicate File Names
This problem pertains to archiving of digital pictures taken from multiple cameras.
Answers here covered the general topic of the-mechanics-of-backups:
How do you archive digital photos and ...
1
vote
2answers
2k views
Is there a way to detect encryption used on a file?
I have a small file that is encrypted and I want to see if it is a encryption method that has been broken or cracked.
1
vote
2answers
123 views
Why is an internal table of PATH directories maintained?
I was looking for what rehash command does and found this:
The rehash command re-computes the
internal hash table of the contents of
directories listed in the path
environmental variable to ...
5
votes
3answers
232 views
Why does sha1sum act differently with the same input?
I'm trying to replicate the behavior of the sha1sum executable in some java code, however, in the process I've discovered that sha1sum appears to behave differently given the same input in two ...
1
vote
1answer
444 views
QR Codes for Files on Google Code
When you download files from Google Code now (example), in addition to the text version of the SHA1 hash, it includes a QR code of it.
The device that the file was downloaded to is the one that has ...
2
votes
2answers
1k views
What is the fastest MD5 sum calculator?
I tested the speed of md5sum on a few Ubuntu 8.04 servers
Pentium III 700 MHz: 52 MB/s
Atom 1.6 GHz, 32-bit: 119 MB/s
Core 2 (Yorkfield) 2.5GHz, 32-bit: 194 MB/s
Core 2 (Yorkfield) 2.5GHz, 64-bit: ...
2
votes
3answers
799 views
How to check for duplicate files?
I have an external hard drive on which I have backed up files several times. Some files were modified between backups, others were not. Some may have been renamed. Now I'm running out of space, and ...
1
vote
1answer
138 views
Where can I find hashes for Mozilla applications?
What is a reliable source for cryptographic hash values for Mozilla applications?
Update 1: the value from http://releases.mozilla.org/pub/mozilla.org/thunderbird/releases/latest/MD5SUMS, ...
6
votes
1answer
93k views
How do I recover the password of a RAR file on Mac OS X?
I'm running Mac OS X 10.6.2 and have been handed a couple of old files that need to be extracted. Old backups or finances or bills I believe. They are RAR files, and password protected. Is there a way ...
9
votes
5answers
891 views
File checksum calculator for Windows
I'm looking for a light, fast hash/checksum calculator (eg. MD5, SHA1, etc.). I've been using HashCalc and it works fine enough, but I was wondering if there was something better.
When downloading ...
1
vote
2answers
1k views
BASH: Hashing Multiple Files using a Script [closed]
Say I'm in a directory and I want to add a hash to each file in that directory and all sub-directories and add the hash into the filename.
ie:
filename.extension
to
filename.hashcode.extension
...
3
votes
3answers
408 views
How secure is it to use a password hash of a common English word as a WPA2 key?
I have a wireless router, and I want a difficult password that is still, in a way, easy to remember.
I came up with this idea to take the MD5, SHA-1, SHA-256, or whatever hash of a common English ...
0
votes
4answers
1k views
Can you use OpenSSL to generate an md5 or sha hash on a directory of files?
I'm interested in storing an indicator of file / directory integrity between two archived copies of directories. It's around 1TB of data stored recursively on hard drives. Is there a way using ...
5
votes
3answers
641 views
md5: Why is my command-line hash different from online md5 hash results?
On Mac OSX Leopard PowerPC, if I do: echo "hello" | md5 on the command line, the result is: b1946ac92492d2347c6235b4d2611184But if I enter hello into one of the online md5 hash sites like ...
13
votes
5answers
1k views
Why is MD5 still used heavily?
MD5 seems to have well documented vulnerabilities and yet it remains widespread in its usage. Does anyone have any reasons for it remaining a viable option when other alternatives (e.g. SHA-2) seem to ...
8
votes
1answer
254 views
Which file system automatically stores hashes of files?
Which file system automatically computes and stores hashes of files and later checks them at access to detect corruption?
