From eb4668408ceac440972213053ab0d97f6fa7ae89 Mon Sep 17 00:00:00 2001
From: stefan <stefan@i3mint.local>
Date: Mon, 23 Feb 2026 18:53:35 +0100
Subject: SLSA models added

Signed-off-by: stefan <stefan@i3mint.local>
---
 .../GnuPG-WoT-Download/201-ThreatModel-SLSA4-ReproducibleBuilds.svg      | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 PlantUML-ModelingTrust/GnuPG-WoT-Download/201-ThreatModel-SLSA4-ReproducibleBuilds.svg

(limited to 'PlantUML-ModelingTrust/GnuPG-WoT-Download/201-ThreatModel-SLSA4-ReproducibleBuilds.svg')

diff --git a/PlantUML-ModelingTrust/GnuPG-WoT-Download/201-ThreatModel-SLSA4-ReproducibleBuilds.svg b/PlantUML-ModelingTrust/GnuPG-WoT-Download/201-ThreatModel-SLSA4-ReproducibleBuilds.svg
new file mode 100644
index 0000000..231e779
--- /dev/null
+++ b/PlantUML-ModelingTrust/GnuPG-WoT-Download/201-ThreatModel-SLSA4-ReproducibleBuilds.svg
@@ -0,0 +1 @@
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y="460.0628">controls</text></g><!--link Attacker to Tag--><g class="link" data-entity-1="ent0006" data-entity-2="ent0011" data-link-type="dependency" data-source-line="93" id="lnk40"><path d="M127.33,609.9958 C188.24,609.9958 276.17,609.9958 337.49,609.9958" fill="none" id="Attacker-to-Tag" style="stroke:#FF0000;stroke-width:1;"/><polygon fill="#FF0000" points="343.49,609.9958,334.49,605.9958,338.49,609.9958,334.49,613.9958,343.49,609.9958" style="stroke:#FF0000;stroke-width:1;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="153.0881" x="157.93" y="605.8928">compromises private key</text></g><!--link User to Rebuild--><g class="link" data-entity-1="ent0002" data-entity-2="ent0022" data-link-type="dependency" data-source-line="98" id="lnk41"><path d="M1263.56,255.2158 C1163.01,260.8458 903.3606,275.3701 781.8506,282.1801" fill="none" id="User-to-Rebuild" style="stroke:#181818;stroke-width:1;"/><polygon fill="#181818" 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points="1263.52,245.5858,1255.4057,240.0038,1258.6047,244.6692,1253.9393,247.8682,1263.52,245.5858" style="stroke:#181818;stroke-width:1;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="100.1911" x="1111.19" y="214.1128">ACCEPT / REJECT</text></g><g class="caption" data-source-line="30"><text fill="#000000" font-family="sans-serif" font-size="18" font-weight="bold" lengthAdjust="spacing" textLength="543.7407" x="556.1323" y="777.2377">Threat Model - Reproducible Builds according to SLSA Level 4</text></g><g class="footer" data-source-line="18"><text fill="#888888" font-family="sans-serif" font-size="14" font-weight="bold" lengthAdjust="spacing" textLength="86.6457" x="1343.3879" y="799.4776">Advantages:</text><ellipse cx="1207.7509" cy="809.6995" fill="#888888" rx="2.5" ry="2.5"/><text fill="#888888" font-family="sans-serif" font-size="10" lengthAdjust="spacing" textLength="356.9197" x="1214.2509" y="814.2695">Consistency between source code and binaries through Reproducible Builds</text><ellipse cx="1253.8858" cy="823.3195" fill="#888888" rx="2.5" ry="2.5"/><text fill="#888888" font-family="sans-serif" font-size="10" lengthAdjust="spacing" textLength="264.6497" x="1260.3858" y="827.8895">No single trust anchor -&gt; at least 2 independent builders</text><ellipse cx="1185.7959" cy="836.9395" fill="#888888" rx="2.5" ry="2.5"/><text fill="#888888" font-family="sans-serif" font-size="10" lengthAdjust="spacing" textLength="400.8296" x="1192.2959" y="841.5095">Subsequent manipulation detectable through checksums in the Git Transparency Log</text><ellipse cx="1236.9508" cy="850.5595" fill="#888888" rx="2.5" ry="2.5"/><text fill="#888888" font-family="sans-serif" font-size="10" lengthAdjust="spacing" textLength="298.5198" x="1243.4508" y="855.1295">Insider attacks made more difficult through multiple signatures</text><ellipse cx="1122.916" cy="864.1795" fill="#888888" rx="2.5" ry="2.5"/><text fill="#888888" font-family="sans-serif" font-size="10" lengthAdjust="spacing" textLength="526.5894" x="1129.416" y="868.7495">Key misuse detectable through checksums in the Git Transparency Log and temporal correlation via timestamps</text><ellipse cx="1323.3108" cy="877.7995" fill="#888888" rx="2.5" ry="2.5"/><text fill="#888888" font-family="sans-serif" font-size="10" lengthAdjust="spacing" textLength="125.7999" x="1329.8108" y="882.3695">Each box is a trust boarder</text></g><?plantuml-src 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