Reconstruct the exact DKIM signing preimage and canonical body hash before an in...
https://detect.halowerk.com/v1/F-TD2000-DOCUMENTS-06/dkim-rfc6376-header-selection-body-canonical-signing-preimageOverview
Reconstruct the exact DKIM signing preimage and canonical body hash before an independent signer is called.
Protocol
x402 (POST)
Price
$0.0030
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
media/images
Provider
detect
Source
bazaar
Indexed
2026-11-02 17:26:06
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"body": {
"artifact": {
"dkimCanonicalization": {
"claim": {
"body_hash_sha256_base64": "47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU=",
"canonical_body_hex": "0d0a",
"canonical_header_hex": "66726f6d3a4578616d706c65203c73656e646572406578616d706c652e696e76616c69643e0d0a7375626a6563743a5075626c696320300d0a782d74726163653a7365636f6e6420636f6e74696e7565640d0a782d74726163653a66697273740d0a646b696d2d7369676e61747572653a763d313b20613d7273612d7368613235363b20683d66726f6d3a7375626a6563743a782d74726163653a782d74726163653b20623d203b",
"hashed_body_octets": 0,
"selected_header_indices": [
1,
1,
3,
2
]
},
"data": {
"body": "",
"body_length": 0,
"body_mode": "simple",
"header_mode": "relaxed",
"headers": [
{
"name": "From",
"value": " Example <sender@example.invalid>"
},
{
"name": "Subject",
"value": " Public 0 \t"
},
{
"name": "X-Trace",
"value": " first"
},
{
"name": "X-Trace",
"value": "second\r\n\tcontinued"
},
{
"name": "DKIM-Signature",
"value": " v=1; a=rsa-sha256; h=from:subject:x-trace:x-trace; b= ;"
}
],
"signature_index": 4,
"signed_names": [
"from",
"subject",
"x-trace",
"x-trace",
"x-trace",
"absent"
]
}
}
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"billable": true,
"findings": [
{
"confidence": 1,
"evidence": [
{
"page_indices": [],
"page_url": null,
"pattern": "dkim-rfc6376-header-selection-body-canonical-signing-preimage_scoped_evidence",
"type": "artifact"
}
],
"limits": [
"Explicit bounded artifact; stated technical computation only. No external lookup, legal/tax opinion, signer trust or identity certification."
],
"module": "dkim-rfc6376-header-selection-body-canonical-signing-preimage",
"state": "observed",
"value": {
"claim_matches": false,
"computed": {
"body_hash_sha256_base64": "47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU=",
"canonical_body_hex": "0d0a",
"canonical_header_hex": "66726f6d3a4578616d706c65203c73656e646572406578616d706c652e696e76616c69643e0d0a7375626a6563743a5075626c696320300d0a782d74726163653a7365636f6e6420636f6e74696e7565640d0a782d74726163653a66697273740d0a646b696d2d7369676e61747572653a763d313b20613d7273612d7368613235363b20683d66726f6d3a7375626a6563743a782d74726163653a782d74726163653b20623d203b",
"hashed_body_octets": 0,
"selected_header_indices": [
0,
1,
3,
2
]
}
},
"warnings": []
}
],
"known_count": 1,
"scope": {
"contact_values_returned": false,
"network": false,
"supplied_artifact_only": true
},
"warnings": []
},
"type": "json"
}