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feat: add SHA-3 (Keccak-256) hashing support #32

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feat: add SHA-3 (Keccak-256) hashing support #32

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62 changes: 47 additions & 15 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -287,9 +287,10 @@ <h5 class="fw-bold">Drag & Drop Evidence Files Here</h5>
<tr class="table-header">
<th width="5%" class="ps-4"><input type="checkbox" id="selectAll" onclick="toggleAll(this)"></th>
<th width="5%">#</th>
<th width="30%">Filename</th>
<th width="20%">MD5 Hash</th>
<th width="40%">SHA-256 (Section 63 BSA Compliant)</th>
<th width="26%">Filename</th>
<th width="16%">MD5 Hash</th>
<th width="24%">SHA-256 (Section 63 BSA Compliant)</th>
<th width="24%">SHA-3 (Keccak-256)</th>
</tr>
</thead>
<tbody id="hashTableBody" style="background: white;"></tbody>
Expand Down Expand Up @@ -497,6 +498,7 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
</td>
<td class="hash-font md5">Calculating...</td>
<td class="hash-font sha256">Calculating...</td>
<td class="hash-font sha3">Calculating...</td>
</tr>
`);
fileQueue.push({ file, rowId });
Expand All @@ -519,6 +521,9 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
if (row) {
row.querySelector('.md5').innerText = CryptoJS.MD5(wordArray).toString();
row.querySelector('.sha256').innerText = CryptoJS.SHA256(wordArray).toString();
const sha3 = CryptoJS.SHA3(wordArray, { outputLength: 256 }).toString();
row.querySelector('.sha3').innerText = sha3;
console.log(`[System Console] SHA-3 (Keccak-256) calculated for "${file.name}": ${sha3}`);
}
processQueue();
}, 50);
Expand Down Expand Up @@ -613,6 +618,7 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
const text = await readFile(files[i]);
const emailData = parseEml(text);
const sha256 = await calculateSHA256(files[i]);
const sha3 = await calculateSHA3(files[i]);

// HEADER WITH WRAPPED FILENAME
doc.setFillColor(0, 51, 102);
Expand Down Expand Up @@ -646,7 +652,8 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
['Message-ID', emailData.messageId],
['Originating IP', emailData.serverIP],
['DKIM Status', emailData.dkim],
['SHA-256 Hash', sha256]
['SHA-256 Hash', sha256],
['SHA-3 (Keccak-256) Hash', sha3]
],
theme: 'grid',
headStyles: {
Expand Down Expand Up @@ -715,7 +722,8 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
rows.push([
cells[1].innerText,
cells[2].innerText,
cells[4].innerText
cells[4].innerText,
cells[5].innerText
]);
}
});
Expand All @@ -727,22 +735,23 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>

doc.autoTable({
startY: 70,
head: [['#', 'Filename', 'SHA-256']],
head: [['#', 'Filename', 'SHA-256', 'SHA-3 (Keccak-256)']],
body: rows,
theme: 'grid',
headStyles: {
headStyles: {
fillColor: [0, 51, 102],
fontSize: 11,
fontStyle: 'bold'
},
bodyStyles: {
bodyStyles: {
fontSize: 9,
font: 'courier'
},
columnStyles: {
0: { cellWidth: 40 },
1: { cellWidth: 300 },
2: { cellWidth: 450, font: 'courier' }
0: { cellWidth: 30 },
1: { cellWidth: 190 },
2: { cellWidth: 285, font: 'courier' },
3: { cellWidth: 285, font: 'courier' }
}
});

Expand Down Expand Up @@ -777,11 +786,18 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
shading: { fill: "003366" }
}),
new TableCell({
children: [new Paragraph({
children: [new Paragraph({
children: [new TextRun({ text: "SHA-256", bold: true, color: "FFFFFF" })],
alignment: AlignmentType.CENTER
})],
shading: { fill: "003366" }
}),
new TableCell({
children: [new Paragraph({
children: [new TextRun({ text: "SHA-3 (Keccak-256)", bold: true, color: "FFFFFF" })],
alignment: AlignmentType.CENTER
})],
shading: { fill: "003366" }
})
]
}));
Expand All @@ -793,8 +809,11 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
children: [
new TableCell({ children: [new Paragraph(cells[1].innerText)] }),
new TableCell({ children: [new Paragraph(cells[2].innerText)] }),
new TableCell({ children: [new Paragraph({
new TableCell({ children: [new Paragraph({
children: [new TextRun({ text: cells[4].innerText, font: "Courier New", size: 18 })]
})] }),
new TableCell({ children: [new Paragraph({
children: [new TextRun({ text: cells[5].innerText, font: "Courier New", size: 18 })]
})] })
]
}));
Expand Down Expand Up @@ -837,7 +856,7 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>

// ===== DOWNLOAD CSV =====
function downloadSelectedCSV() {
let csv = "#,Subject,From,To,Date,Originating IP,DKIM,SHA-256\n";
let csv = "#,Subject,From,To,Date,Originating IP,DKIM,SHA-256,SHA-3 (Keccak-256)\n";

let counter = 1;
const promises = [];
Expand All @@ -848,7 +867,7 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
promises.push(
readFile(tr.fileData).then(text => {
const eml = parseEml(text);
return `${counter++},"${eml.subject}","${eml.from}","${eml.to}","${eml.date}","${eml.serverIP}","${eml.dkim}","${cells[4].innerText}"\n`;
return `${counter++},"${eml.subject}","${eml.from}","${eml.to}","${eml.date}","${eml.serverIP}","${eml.dkim}","${cells[4].innerText}","${cells[5].innerText}"\n`;
})
);
}
Expand Down Expand Up @@ -894,6 +913,19 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
});
}

async function calculateSHA3(file) {
return new Promise(resolve => {
const reader = new FileReader();
reader.onload = e => {
const wordArray = CryptoJS.lib.WordArray.create(e.target.result);
const sha3 = CryptoJS.SHA3(wordArray, { outputLength: 256 }).toString();
console.log(`[System Console] SHA-3 (Keccak-256) calculated for "${file.name}": ${sha3}`);
resolve(sha3);
};
reader.readAsArrayBuffer(file);
});
}

function toggleAll(checkbox) {
document.querySelectorAll('input[name="fileSelect"]').forEach(c => c.checked = checkbox.checked);
}
Expand Down