hum, i will talk again with general cases, but it give nice ideas
the point about security is fisic access...
you have problem with fisic access to disk? for example, if you put your
data in a datacenter, you never know who is changing your hardware or what
happen to hardware disks... at
* a point in my last email...
... but underground world is nice and many times free =] ...
the nice != legal, check your country law before doing crypt and others
protection features
From: Roberto Spadim robe...@spadim.com.br
To: Unga unga...@yahoo.com
Cc: openssl-users@openssl.org openssl-users@openssl.org
Sent: Saturday, August 17, 2013 6:14 AM
Subject: Re: How to securely encrypt identical files to identical ciphertext?
hum, i
On 16-Aug-2013, at 9:24 AM, Matt Caswell fr...@baggins.org wrote:
On 16 August 2013 16:46, Swair Mehta swairme...@gmail.com wrote:
On 16-Aug-2013, at 7:49 AM, Unga unga...@yahoo.com wrote:
Hi all
I have a requirement to encrypt files, in such a way identical files should
generate
From: Swair Mehta swairme...@gmail.com
To: fr...@baggins.org fr...@baggins.org
Cc: openssl-users@openssl.org openssl-users@openssl.org
Sent: Saturday, August 17, 2013 7:18 AM
Subject: Re: How to securely encrypt identical files to identical ciphertext?
On 16-Aug-2013, at 9:24 AM, Matt
On 17 Aug 2013, at 06:03, Unga unga...@yahoo.com wrote:
My encrypted file is with you. It is encrypted without a salt. I'm scared you
may use a sophisticated system to decrypt it and read the sensitive info. I
use a per file not guessable 150 character password. This password is not
encrypt identical files to identical ciphertext?
On 17 Aug 2013, at 06:03, Unga unga...@yahoo.com wrote:
My encrypted file is with you. It is encrypted without a salt. I'm
scared you may use a sophisticated system to decrypt it and read the
sensitive
info. I use a per file not guessable 150
Hi all
I have a requirement to encrypt files, in such a way identical files should
generate identical ciphertexts.
I plan to use aes-256-cbc cipher with 128-byte long non-guessable password per
input file. Identical input files will be provided with identical passwords.
1. Is it no salt the
On 16-Aug-2013, at 7:49 AM, Unga unga...@yahoo.com wrote:
Hi all
I have a requirement to encrypt files, in such a way identical files should
generate identical ciphertexts.
I plan to use aes-256-cbc cipher with 128-byte long non-guessable password
per input file. Identical input files
On 16 August 2013 16:46, Swair Mehta swairme...@gmail.com wrote:
On 16-Aug-2013, at 7:49 AM, Unga unga...@yahoo.com wrote:
Hi all
I have a requirement to encrypt files, in such a way identical files should
generate identical ciphertexts.
I plan to use aes-256-cbc cipher with 128-byte long
I have a requirement to encrypt files, in such a way identical files should
generate identical ciphertexts.
Identical salts(ivs) should work. No salt works as well.
This would have the effect that two files which were identical at the
beginning for the first x number of blocks
(but
- Original Message -
From: Swair Mehta swairme...@gmail.com
To: openssl-users@openssl.org openssl-users@openssl.org
Cc:
Sent: Friday, August 16, 2013 3:46 PM
Subject: Re: How to securely encrypt identical files to identical ciphertext?
On 16-Aug-2013, at 7:49 AM, Unga unga
- Original Message -
From: Matt Caswell fr...@baggins.org
To: openssl-users@openssl.org
Cc:
Sent: Friday, August 16, 2013 4:10 PM
Subject: Re: How to securely encrypt identical files to identical ciphertext?
On 16 August 2013 16:46, Swair Mehta swairme...@gmail.com wrote:
On 16
one idea...
use a salt with a MD5(file contents) + pseudo random salt based on others
informations
this give a nice salt...
example...
with different salts:
file1 contents = file 2 contents
salt of 1 = MD5(MD5(file1 contents) + file1 name)
salt of 2 = MD5(MD5(file1 contents) + file2 name)
or if
Besides using the same cipher (session) key, you also need to use the same
initialization vector. Note: in practice, the initialization is a random
number that should not be reused.
- Steve
Hi all
I have a requirement to encrypt files, in such a way identical files
should generate identical
From: Roberto Spadim robe...@spadim.com.br
To: openssl-users@openssl.org
Sent: Friday, August 16, 2013 6:01 PM
Subject: Re: How to securely encrypt identical files to identical ciphertext?
hi, i don't know if i will answer your question, but i will give
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