[File] [PATCH] Add Creative Assembly's PFH archive file format

[Christos Zoulas]

Added thanks!

christos

> On Jan 24, 2026, at 1:43 PM, Benedikt Radtke <benediktradtke at gmail.com> wrote:
> 
> Hey,
> 
> Creative Assembly has implemented a proprietary archive format and reuses it across all of their games. This commit adds basic support for the magic numbers in the preamble and identified header fields.
> 
> From 8e1d226dbb11283fe03aebf258ba672451d909e7 Mon Sep 17 00:00:00 2001
> From: Benedikt Radtke <benediktradtke at gmail.com>
> Date: Sat, 24 Jan 2026 19:19:40 +0100
> Subject: [PATCH] Add Creative Assembly's PFH archive file format
> 
> Signed-off-by: Benedikt Radtke <benediktradtke at gmail.com>
> ---
>  magic/Magdir/creativeassembly | 25 +++++++++++++++++++++++++
>  1 file changed, 25 insertions(+)
>  create mode 100644 magic/Magdir/creativeassembly
> 
> diff --git a/magic/Magdir/creativeassembly b/magic/Magdir/creativeassembly
> new file mode 100644
> index 00000000..0e207149
> --- /dev/null
> +++ b/magic/Magdir/creativeassembly
> @@ -0,0 +1,25 @@
> +
> +#--------------------------------------------------------------
> +# creativeassembly: file(1) magic for various Creative Assembly files
> +#
> +# Community file formats documentation: <https://github.com/TotalWar-Modding/docs>
> +#--------------------------------------------------------------
> +
> +# Benedikt Radtke <benediktradtke at gmail.com>
> +# PFH4 Archive
> +0    lelong    0x34484650    Creative Assembly Archive version 4
> +
> +# Benedikt Radtke <benediktradtke at gmail.com>
> +# PFH5 Archive
> +0    lelong    0x35484650    Creative Assembly Archive version 5
> +>&0    lelong&0xf        0x00    \b, boot archive
> +>&0    lelong&0xf        0x01    \b, release archive
> +>&0    lelong&0xf        0x02    \b, patch archive
> +>&0    lelong&0xf        0x03    \b, mod archive
> +>&0    lelong&0xf        0x04    \b, movie archive
> +>&0    lelong&0x10        0x10    \b, data encrypted
> +>&0    lelong&0x40        0x40    \b, timestamped files
> +>&0    lelong&0x80        0x80    \b, index encrypted
> +>&0    lelong&0x100    0x100    \b, big header
> +>&0x0c    lelong        x        \b, %d files
> +#>0x14    date        x        \b, created on %s
> -- 
> 2.43.0
> 
> 
> Kind regards,
> Benni
> 
> 
> 
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