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78 lines
2.8 KiB
HTML
78 lines
2.8 KiB
HTML
{% load static %}
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Decrypt and Forward</title>
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<script src="{% static 'abac/jsbn.js' %}"></script>
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<script src="{% static 'abac/jsbn2.js' %}"></script>
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<script src="{% static 'abac/prng4.js' %}"></script>
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<script src="{% static 'abac/rng.js' %}"></script>
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<script src="{% static 'abac/paillier.js' %}"></script>
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</head>
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<body>
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<script>
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function getPrivateKeyFromWebStorage() {
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// Retrieve and parse the stored private key
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const storedPrivateKey = localStorage.getItem('privateKey');
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if (!storedPrivateKey) return null;
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const parsedKey = JSON.parse(storedPrivateKey);
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// Construct the public key from the stored value
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const n = new BigInteger(localStorage.getItem('publicKey'));
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const publicKey = new paillier.publicKey(2048, n);
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// Construct the private key
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const lambda = new BigInteger(parsedKey.lambda);
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const privateKey = new paillier.privateKey(lambda, publicKey);
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// Attach the x value
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privateKey.x = new BigInteger(parsedKey.x);
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return privateKey;
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}
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// Assuming you have a method to get privateKey from local web storage
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let privateKey = getPrivateKeyFromWebStorage();
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let encryptions = {{ encryptions_as_strings|safe }};
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let decryptedValues = [];
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for(let enc of encryptions) {
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let bigIntEnc = new BigInteger(enc.toString());
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decryptedValues.push(privateKey.decrypt(bigIntEnc).toString(10));
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}
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// Forward the decrypted values with a POST request
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let form = document.createElement("form");
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form.setAttribute("method", "post");
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form.setAttribute("action", "{% url 'abac:verify_decryption' %}");
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let csrfField = document.createElement("input");
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csrfField.setAttribute("type", "hidden");
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csrfField.setAttribute("name", "csrfmiddlewaretoken");
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csrfField.setAttribute("value", "{{ csrf_token }}");
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form.appendChild(csrfField);
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let tokenField = document.createElement("input");
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tokenField.setAttribute("type", "hidden");
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tokenField.setAttribute("name", "token");
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tokenField.setAttribute("value", "{{ token }}");
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form.appendChild(tokenField);
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for(let dec of decryptedValues) {
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let input = document.createElement("input");
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input.setAttribute("type", "hidden");
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input.setAttribute("name", "decryptions");
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input.setAttribute("value", dec);
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form.appendChild(input);
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}
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document.body.appendChild(form);
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form.submit();
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</script>
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</body>
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</html>
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