diff --git a/.build.ignores b/.build.ignores
new file mode 100644
index 0000000..b650410
--- /dev/null
+++ b/.build.ignores
@@ -0,0 +1,2 @@
+src/sha256/sha256_tests.c
+src/sha256/hash_file.c
diff --git a/.gitmodules b/.gitmodules
index 47b9637..433acc0 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "tools/builder"]
 	path = tools/builder
 	url = https://teknomunk@gitea.polaris-1.work/teknomunk/builder.git
+[submodule "src/sha256"]
+	path = src/sha256
+	url = https://teknomunk@gitea.polaris-1.work/Mirrors/sha256.git
diff --git a/README.md b/README.md
index 943b53a..29ee9bc 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
 # apoge
 
-Personal ActivityPub server intended for single-user instances.
\ No newline at end of file
+Personal ActivityPub server intended for single-user instances.
+
+This software is intended to support exactly one user, and bot accounts owned by that user.
diff --git a/src/model/owner.h b/src/model/owner.h
new file mode 100644
index 0000000..0de71d4
--- /dev/null
+++ b/src/model/owner.h
@@ -0,0 +1,7 @@
+#pragma once
+
+struct owner
+{
+	char* password_salt;
+	char* password_hash;
+};
diff --git a/src/sha256 b/src/sha256
new file mode 160000
index 0000000..c6cf8e5
--- /dev/null
+++ b/src/sha256
@@ -0,0 +1 @@
+Subproject commit c6cf8e509a713ef28c0b1b2f12578735b6402323
diff --git a/tools/builder b/tools/builder
index 17ff36d..5d06e72 160000
--- a/tools/builder
+++ b/tools/builder
@@ -1 +1 @@
-Subproject commit 17ff36dbc17a82c629ee95952d888ea6c84b5d8d
+Subproject commit 5d06e72566f2fd9172209fe78b230af9b8f8e7d1