Cryptography
BLS Boneh–Lynn–Shacham Threshold Signature Aggregation + Distributed Key Generation Simulator
Simulate BLS12-381 BLS signatures end to end: Joint-Feldman DKG ceremonies, t-of-n threshold signing with Lagrange interpolation, the rogue-key attack and its proof-of-possession defense, and Ethereum 2 attestation aggregation.
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Quick start
Call this tool from your code in three languages.
cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/bls-boneh-lynn-shacham-threshold-signature-aggregation-distributed-key-gen-simulator' \
-H 'Content-Type: application/json' \
-d '{"scenario":"dkg-threshold","participants":4,"threshold":3,"message":"committee attestation: block 9182","seedText":"ceremony-2026","showPedersen":true}'API reference
Send a POST request with your inputs as JSON. File parameters require a separate upload first.
Endpoint
HTTP
POST https://api.elysiatools.com/en/api/tools/bls-boneh-lynn-shacham-threshold-signature-aggregation-distributed-key-gen-simulatorParameters
| Name | Type | Required | Description |
|---|---|---|---|
| scenario | select | No | — |
| participants | number | No | — |
| threshold | number | No | — |
| message | text | No | — |
| seedText | text | No | — |
MCP integration
Add this tool to your Model Context Protocol server so AI agents can list and call it.
Server configuration
Add this block to your MCP client configuration:
mcp.json
{
"mcpServers": {
"elysiatools-bls-boneh-lynn-shacham-threshold-signature-aggregation-distributed-key-gen-simulator": {
"name": "bls-boneh-lynn-shacham-threshold-signature-aggregation-distributed-key-gen-simulator",
"description": "Simulate BLS12-381 BLS signatures end to end: Joint-Feldman DKG ceremonies, t-of-n threshold signing with Lagrange interpolation, the rogue-key attack and its proof-of-possession defense, and Ethereum 2 attestation aggregation.",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=bls-boneh-lynn-shacham-threshold-signature-aggregation-distributed-key-gen-simulator",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}List available tools
After connecting to the SSE endpoint, list the exposed tools:
tools/list
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Call this tool
Invoke the tool by its id, passing arguments built from its parameters:
tools/call
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "bls-boneh-lynn-shacham-threshold-signature-aggregation-distributed-key-gen-simulator",
"arguments": {
"scenario": "dkg-threshold",
"participants": 4,
"threshold": 3,
"message": "committee attestation: block 9182",
"seedText": "ceremony-2026",
"showPedersen": true
}
}
}