add-photo continued ...

[Stefan Claas]

On 2019-09-05 01:16, Stefan Claas via Gnupg-users wrote:
> Stefan Claas via Gnupg-users wrote:
> 
>> Recently I saw a Twitter post explaining that a .jpeg image header
>> can contain 16 MB of data. I do not have the link currently handy,
>> sorry!
> 
> I think I talked nonsense here about the 16 MB header size! Hopefully
> I can find the authors technique again, because he posted the source
> code too ...

No, seems not to be nonsense, as understood.

https://dev.exiv2.org/projects/exiv2/wiki/The_Metadata_in_JPEG_files

2.4 ICC

The maximum size of an ICC profile is limited to 256 * (63535 - 16) =
16,261,888 bytes. This is quite a large profile!

I wonder what kind of data would require such a max size.

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