Thom Brown wrote:
> > It is documented here:
> > ? ? ? ?http://www.postgresql.org/docs/9.0/static/encryption-options.html
> > ? ? ? ?17.7. Encryption Options
> > ? ? ? ?Encrypting Passwords Across A Network
> > ? ? ? ? ? ?The MD5 authentication method double-encrypts the password on the
> > ? ? ? ?client before sending it to the server. It first MD5-encrypts it based
> > ? ? ? ?on the user name, and then encrypts it based on a random salt sent by
> > ? ? ? ?the server when the database connection was made. It is this
> > ? ? ? ?double-encrypted value that is sent over the network to the server.
> > ? ? ? ?Double-encryption not only prevents the password from being discovered,
> > ? ? ? ?it also prevents another connection from using the same encrypted
> > ? ? ? ?password to connect to the database server at a later time.
> The difference with that is that it's talking about how passwords are
> protected by a form of encryption when sent across a connection rather
> than how they're stored in a database.
Yes, you are right. Should this be documented? Where?
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
+ It's impossible for everything to be true. +
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