Re: Data Encryption in PostgreSQL, and a Tutorial.

"scott.marlowe" <scott(dot)marlowe(at)ihs(dot)com> writes:
> On Fri, 9 Apr 2004, Christopher Browne wrote:
>> See the "pgcrypto" contrib module in the source tree.
>>
>> It is not typically compiled into what gets distributed with the
>> typical Linux/BSD distribution because of the library dependencies
>> that it forces in, as well as because the legalities surrounding the
>> distribution of cryptographic software vary from country to country,
>> making it potentially legally unsafe to ubiquitously include it.

> I thought md5() was a built-in nowadays...

Yeah, it is, but md5 is not considered cryptography because it is not
reversible (you can't decrypt to get back what you put in). As such
it's not restricted under US munitions law, nor anyone else's that
I've heard of.

regards, tom lane