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Encryption-- CD-R/RW, DVD-R/RW? Rate Topic: -----

#1 User is offline   Egon's Dragon 

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Posted 16 November 2006 - 02:44 PM

I am wondering if it is possible to encrypt a CD-R or CD-RW (DVD equivalent) so I can save sensitive information, frequently. I don't want to use a .RAR archive, for example, as I would have to re-write the entire archive, which I can't do on a CD or DVD-R. Is this even possible, using encryption software? Please help!

EDIT: If you have any software suggestions, any freeware/open source?

This post has been edited by Egon's Dragon: 16 November 2006 - 02:51 PM


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#2 User is offline   Samo99 

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Posted 16 November 2006 - 03:05 PM

Ak som ti spravne rozumel tak: Secret record v.3 by malo byt to co hladas.Odskusal som ho - funguje.

#3 User is offline   Egon's Dragon 

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Posted 16 November 2006 - 03:11 PM

View PostSamo99, on Nov 16 2006, 11:05 PM, said:

Ak som ti spravne rozumel tak: Secret record v.3 by malo byt to co hladas.Odskusal som ho - funguje.

Diky moc, skusim to. Jste z Slovenska?

Thanks, I'll have a look at Secret Record v. 3. Any other suggestions? Is encrypting a CD/DVD possible?

#4 User is offline   jaclaz 

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Posted 16 November 2006 - 03:18 PM

Not really sure I fully understood what you need, can you explain better what type of data you need to protect, how big are the files and how often you need to copy the files to CD?

The "standard" freeware/Open Source is Truecrypt:
http://www.truecrypt.org/

But maybe you need something different/simpler, here are a few crypting programs:
http://members.ozema...ware/index.html


jaclaz

#5 User is offline   Zxian 

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Posted 16 November 2006 - 03:19 PM

Please keep all discussion in English. Not everyone here speaks Czech. ;)

#6 User is offline   Egon's Dragon 

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Posted 16 November 2006 - 04:15 PM

View Postjaclaz, on Nov 16 2006, 11:18 PM, said:

Not really sure I fully understood what you need, can you explain better what type of data you need to protect, how big are the files and how often you need to copy the files to CD?

Sure! Word doc files, mostly, that contain sensitive information (names, for example). I want to encrypt these in a folder on my hard drive, which seems straight forward, but I'd also like to back them up periodically (twice a month, for example) to an optical disc, but have the disc be encrypted.

View PostZxian, on Nov 16 2006, 11:19 PM, said:

Please keep all discussion in English. Not everyone here speaks Czech. ;)
Hey, he started it! ;)

This post has been edited by Egon's Dragon: 16 November 2006 - 04:15 PM


#7 User is offline   LLXX 

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Posted 17 November 2006 - 03:13 AM

Just Google "data encryption program" and you'll find *many*... some are more secure than others, choose what you need.

#8 User is offline   jaclaz 

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Posted 17 November 2006 - 04:26 AM

View PostEgon, on Nov 16 2006, 11:15 PM, said:

View Postjaclaz, on Nov 16 2006, 11:18 PM, said:

Not really sure I fully understood what you need, can you explain better what type of data you need to protect, how big are the files and how often you need to copy the files to CD?

Sure! Word doc files, mostly, that contain sensitive information (names, for example). I want to encrypt these in a folder on my hard drive, which seems straight forward, but I'd also like to back them up periodically (twice a month, for example) to an optical disc, but have the disc be encrypted.


Then, easiest solution is following LLXX advice, or use one of the programs in the 2nd link I posted.

A very nice "self-standing" and portable solution is here:
http://www.donationc.../Other/fSekrit/

Another option you might want to explore is the use of Steganography:
http://www.webopedia...ganography.html

here is an example program:
http://www.dancemamm...m/imagehide.htm

more (almost every related program) here:
http://www.stegoarchive.com/

jaclaz

#9 User is offline   Samo99 

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Posted 17 November 2006 - 11:06 AM

Diky moc, skusim to. Jste z Slovenska?

Thanks, I'll have a look at Secret Record v. 3. Any other suggestions? Is encrypting a CD/DVD possible?
[/quote]


Ano, od Žiliny. Skype: mivanko9119

#10 User is offline   Samo99 

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Posted 17 November 2006 - 11:17 AM

FOR ALL. I’m terribly sorry.

#11 User is offline   Egon's Dragon 

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Posted 21 November 2006 - 01:04 PM

Hmmm, too many **** programs. I'll have to search a bit. But is it possible to do what I want? Encrypt a CD-R/RW and back up to it frequently?

#12 User is offline   LLXX 

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Posted 21 November 2006 - 08:05 PM

View PostEgon, on Nov 21 2006, 02:04 PM, said:

Hmmm, too many **** programs. I'll have to search a bit. But is it possible to do what I want? Encrypt a CD-R/RW and back up to it frequently?
YES :wacko:

#13 User is offline   Samo99 

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Posted 23 November 2006 - 07:35 PM

FOR ALL. I’m terribly sorry.
Hej Draku, chces len zalohovat, a ci aj napalovat citlive informacie. Nie som PC odbornik, ale pripadas mi trochu rozhodeny.Na ukladanie zabezpecenych ! zaloh je moj prispevok 1. Na ostatne by ti mohla dat inspiraciu http://keepass.sourceforge.net/ FOR ALL. I’m terribly sorry.I’am afraid,I’am 41yers old-welder.I don’t understand well in English.

#14 User is offline   LLXX 

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Posted 23 November 2006 - 08:16 PM

View PostZxian, on Nov 16 2006, 04:19 PM, said:

Please keep all discussion in English. Not everyone here speaks Czech. ;)

If you don't understand English then it would be wise to learn it.

#15 User is offline   Samo99 

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Posted 25 November 2006 - 06:08 PM

View PostLLXX, on Nov 23 2006, 08:16 PM, said:

View PostZxian, on Nov 16 2006, 04:19 PM, said:

Please keep all discussion in English. Not everyone here speaks Czech. ;)

If you don't understand English then it would be wise to learn it.


Why? I need not. I am specialist.I am Slovak. You show to me,that you better as me.You are only England s***.You can only your language.It is all.

#16 User is offline   LLXX 

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Posted 26 November 2006 - 03:36 AM

View PostSamo99, on Nov 25 2006, 07:08 PM, said:

View PostLLXX, on Nov 23 2006, 08:16 PM, said:

View PostZxian, on Nov 16 2006, 04:19 PM, said:

Please keep all discussion in English. Not everyone here speaks Czech. ;)

If you don't understand English then it would be wise to learn it.


Why? I need not. I am specialist.I am Slovak. You show to me,that you better as me.You are only England s***.You can only your language.It is all.
No, this is a English-only forum -_-

#17 User is offline   Egon's Dragon 

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Posted 07 February 2007 - 10:04 AM

Well anyway, Googling is like finding a needle in a haystack. I'm looking for something freeware, that specifically encrypts optical media. Is there anything good on sourceforge?

#18 User is offline   phkninja 

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Posted 07 February 2007 - 11:53 AM

There is no freeware app to do what you would like (as in create an encrypted Disk) directly, you could encrypt the information and use an iso creator program. Then you could click the iso file and burn (instead of manually clicking the files from within a buring program, if you make a cd image it might be easier).

For example, write a batch file with a commandline encrytor program that encrypts the contents of the folder and also creates an iso from the folder

eg
blowfish -e backup\*.*
cdimage.exe -lBackup -x -h -o -oc -m -j1 .\backup .\backup.iso

then runthe batch file every time you want to back up data

#19 User is offline   Egon's Dragon 

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Posted 07 February 2007 - 07:04 PM

What about TrueCrypt?

#20 User is offline   phkninja 

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Posted 07 February 2007 - 08:15 PM

Truecrypt makes an encrypted virtual filesystem.

Quote

Creates a virtual encrypted disk within a file and mounts it as a real disk.


Basically it creates something like an encrypted folder that contains all the encrypted data. But it requires truecrypt to mount he file as a drive. This could work on a cd-rw or dvd-rw (dont know, i never tried).

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