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makrober wrote:
> Melikamp T. Medley wrote:
>> Thanks for your answers, David, Timo.
>>
>> A somewhat related question: is there a tool that is designed
>> to produce "undetectable" encryption, i.e. something that is
>> very plausibly random? I gather from your answers that gpg does
>> not do that.
> check out "Burp":
> hyyp://www.geodyssey.com/cryptography
> and read this:
> http://www.geodyssey.com/cryptography/burp.txt
> MacRober
>
man openssl enc
OpenSSL supports BLOWFISH
SUPPORTED CIPHERS
base64 Base 64
bf-cbc Blowfish in CBC mode
bf Alias for bf-cbc
bf-cfb Blowfish in CFB mode
bf-ecb Blowfish in ECB mode
bf-ofb Blowfish in OFB mode
openssl enc -e -base64 -in /tmp/tina.msg -out /tmp/file.b64
openssl enc -e -bf-cbc -in /tmp/tina.msg -out /tmp/file.b64
openssl enc -d -bf-cbc -in openssl enc -d -bf-cbc -in
MSWRD573.TMP
enter bf-cbc decryption password:
bad magic number
bash-3.00$ ./a.out -d MSWRD573.TMP hghg.txt
./a.out: file crypto, V:1.20 (http://www.geodyssey.com/)
enter key or pass-phrase=>########
re-enter (to confirm)=>########
Decrypting from MSWRD573.TMP to hghg.txt
./a done, 1024 characters/bytes decrypted
bash-3.00$
BLURB works on the fly but at least my instance of openssl with blowfish
in cbc cipher block chaining mode did not decrypt the blurb output.
hence from what I can see, blurb introduces something fundamental new,
which cannot be achieved with openssl or gnuPG.
I tried to encrypt twice, with the same passphrase, which should be the
same as the ciphertext.
And opened the output in ghex2.
blurb does the trick. If you want to encrypt or decrypt a msg to
yourself or someone able to run blurb. Then it is a good bet.
If OpenSSL supports blowfish, why is it incompatible to blurb?
Sincerely yours,
Morten Gulbrandsen
主バイトホイットフィールド
_____________________________________________________________________
Java programmer, C++ programmer
CAcert Assurer, GSWoT introducer, thawte Notary
Gossamer Spider Web of Trust http://www.gswot.org
Please consider the environment before printing this e-mail!
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