Re: Confused about Sub keys.

2008-06-10 Thread Charly Avital
Faramir wrote the following on 6/10/08 12:17 AM: [...] And that is the reason to use key pairs, because a singe key can't do both functions. The above statement is not accurate. A careful reading of http://www.gnupg.org/gph/en/manual.html#INTRO is recommended. This is the Spanish version:

Re: Confused about Sub keys.

2008-06-10 Thread Chris De Young
it must be defined at the moment of creating the key. And that is the reason to use key pairs, because a singe key can't do both functions. Key pair in most contexts actually refers to the set of public key + private key, not to key + subkey(s) -- at least that seems to be the common usage

Re: Confused about Sub keys.

2008-06-10 Thread Charly Avital
Chris De Young wrote the following on 6/10/08 1:41 PM: it must be defined at the moment of creating the key. And that is the reason to use key pairs, because a singe key can't do both functions. Key pair in most contexts actually refers to the set of public key + private key, not to key +

Re: Confused about Sub keys.

2008-06-10 Thread Faramir
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Charly Avital escribió: Faramir wrote the following on 6/10/08 12:17 AM: [...] And that is the reason to use key pairs, because a singe key can't do both functions. The above statement is not accurate. A careful reading of

Re: Confused about Sub keys.

2008-06-10 Thread John W. Moore III
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Faramir wrote: Well, I made a mistake again... but the manual in that URL doesn't show RSA keys... and when I executed the command gpg --gen-key I get the following options: (1) DSA and ElGamal (default) (2) DSA (sign only) (5) RSA (sign

Re: Confused about Sub keys.

2008-06-10 Thread Robert J. Hansen
Faramir wrote: Well, I made a mistake again... but the manual in that URL doesn't show RSA keys... and when I executed the command gpg --gen-key I get the following options: Typing something into GnuPG and learning what it does is great: it teaches you that GnuPG tends to create different

Re: One Time Password and GnuPG

2008-06-10 Thread Andrew Berg
John Clizbe wrote: Andrew Berg wrote: Bricks can be hallowed out. :P HOLY BRICKBATS, BATMAN! Would such bricks then be filled with the Holy Spirit to give them strength? I must assume you meant 'hollowed'. Yes I did. Of course, little plastic angel-like wings could be added for effect

Re: One Time Password and GnuPG

2008-06-10 Thread Robert J. Hansen
Andrew Berg wrote: Yes I did. Of course, little plastic angel-like wings could be added for effect after being /hollowed/ out. Having not seen John's original message come through on GnuPG-Users, I can only assume that you are taking public something that he sent off-list, presumably for good

known-plaintext attacks

2008-06-10 Thread Jan Jansen
Hi, 1. Is the AES-Encryption of a file by gnupg vulnerable to known-plaintext attacks ? 2. Does this depend on the lenght of the plaintext ? 2.1 Is a strong Passphrase even safe, if the size of the known plaintext is just 1 Byte or even 10 GB ? 3. Is it possible for sombody, who does not

Re: known-plaintext attacks

2008-06-10 Thread David Shaw
On Jun 10, 2008, at 10:05 PM, Jan Jansen wrote: Hi, 1. Is the AES-Encryption of a file by gnupg vulnerable to known- plaintext attacks ? No. 2. Does this depend on the lenght of the plaintext ? No. 2.1 Is a strong Passphrase even safe, if the size of the known plaintext is just 1