From 27d2c8d21a122aa0c0cb623668657188f9d95444 Mon Sep 17 00:00:00 2001
From: lohhiiccc <loic@lohic.dev>
Date: Tue, 19 May 2026 14:50:55 +0200
Subject: [PATCH] doc: update preliminaries endianness

---
 doc/preliminaries.tex | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/doc/preliminaries.tex b/doc/preliminaries.tex
index 45c3866..3d3a34e 100644
--- a/doc/preliminaries.tex
+++ b/doc/preliminaries.tex
@@ -21,6 +21,15 @@ stored first. This distinction matters when serializing the internal state to
 produce the final digest --- MD5 uses little-endian, while SHA-256 and
 Whirlpool use big-endian.
 
+\[
+\text{Value}\; 0xD41D8CD9:
+\begin{cases}
+\text{Big-endian: } & \text{d4}\;\mid\;\text{1d}\;\mid\;\text{8c}\;\mid\;\text{d9}\\
+\text{Little-endian: } & \text{d9}\;\mid\;\text{8c}\;\mid\;\text{1d}\;\mid\;\text{d4}
+\end{cases}
+\]
+
+
 \vspace{1em}
 
 A \textbf{message} is the arbitrary-length input fed to a hash function. The