Trust Certificate

Step 1: Verify Fingerprint

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Security check: Compare this fingerprint with the one shown during installation or on your original trusted device. If they match, this connection is authentic.

Step 2: Install Certificate

Detected: Unknown

Mobile

iOS / iPadOS (Detected)

Tap "Install Profile" above
Open Settings app
Tap Profile Downloaded (near the top)
Tap Install, enter passcode if prompted
Go to Settings → Updates / Info → Certificate Trust Settings
Enable full trust for MidTerm Certificate

Android (Detected)

Tap "Download Certificate" above
Open Settings → Security → Encryption & credentials
Tap Install a certificate → CA certificate
Select the downloaded midterm.crt file
Verify the fingerprint shown matches the one above

Note: Menu names vary by Android version and manufacturer.

Desktop (Detected)

Then run as Administrator in the download folder:

certutil -addstore Root midterm.pem

Then run in Terminal from the download folder:

sudo security add-trusted-cert -d -r trustRoot \
    -k /Library/Keychains/System.keychain midterm.pem

Then run in Terminal from the download folder:

sudo cp midterm.pem /usr/local/share/ca-certificates/midterm.crt
sudo update-ca-certificates

Verify in Your Browser

After installing, verify the connection is secure:

Click the padlock icon in your browser's address bar
Click Certificate or Connection is secure
Find the SHA-256 fingerprint
Compare it with the fingerprint shown above

Security Warning: Never enter passwords or sensitive information until you have verified the fingerprint matches. If your browser shows a certificate warning after previously working, re-verify the fingerprint before proceeding.

Trusted Addresses in Certificate