On 09/29/2014 05:38 PM, Marko Tiikkaja wrote:
On 9/29/14 3:02 PM, Heikki Linnakangas wrote:
Is there any real life examples or tools out there to generate armors
with headers with duplicate keys? RFC 4880 says:
Note that some transport methods are sensitive to line length. While
there is a limit of 76 characters for the Radix-64 data (Section
6.3), there is no limit to the length of Armor Headers. Care should
be taken that the Armor Headers are short enough to survive
transport. One way to do this is to repeat an Armor Header key
multiple times with different values for each so that no one line is
overly long.
Does anyone do that in practice? Is there any precedence for
concatenating the values in other tools that read armor headers?
Maybe I just suck at $SEARCH_ENGINE, but extracting armor headers
programmatically doesn't seem to be very popular. I could only find one
example, which returned the last instance of the key. But that seemed
to be more an accident than anything else; it wasn't documented and the
source code didn't say anything about it. I also think that's the worst
behaviour. If we can't agree on concatenation, I'd rather see an error.
May I ask you why you wrote this patch? What are you doing with the headers?
- Heikki
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