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Cryptography

WebAuthn Passkey Assertion 解码与 Challenge 调试器

解析 clientDataJSON、authenticatorData、flags、rpIdHash 和 signCount；提供公钥时验证 ES256、RS256 或 Ed25519 签名。

json· JSON 结果打开工具

快速开始

用三种语言从你的代码中调用此工具。

cURL
curl -X POST 'https://api.elysiatools.com/zh/api/tools/webauthn-passkey-assertion-decoder-challenge-debugger' \
  -H 'Content-Type: application/json' \
  -d '{"clientDataJson":"{\"type\":\"webauthn.get\",\"challenge\":\"Y2hhbGxlbmdl\",\"origin\":\"https://example.com\"}","clientDataEncoding":"json","authenticatorData":"a379a6f6eeafb9a55e378c118034e2751e682fab9f2d30ab13d2125586ce19478500000002","signature":"00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","binaryEncoding":"hex","expectedChallenge":"Y2hhbGxlbmdl","expectedOrigin":"","rpId":"example.com","previousSignCount":1,"cosePublicKey":"","coseEncoding":"base64url"}'

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API 参考

以 JSON 形式 POST 提交输入参数。文件类型参数需先单独上传。

请求端点

HTTP
POST https://api.elysiatools.com/zh/api/tools/webauthn-passkey-assertion-decoder-challenge-debugger

请求参数

参数名类型必填说明
clientDataJsontextarea是—
clientDataEncodingselect否—
authenticatorDatatextarea是—
signaturetextarea是—
binaryEncodingselect否—
expectedChallengetext否—
expectedOrigintext否—
rpIdtext否—
previousSignCountnumber否—
cosePublicKeytextarea否—
coseEncodingselect否—

响应格式

JSON 结果

JSON
{
  "key": {...},
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

MCP 集成

将此工具加入你的 Model Context Protocol 服务，让 AI 智能体可以列出并调用它。

服务配置

将以下内容加入你的 MCP 客户端配置：

mcp.json
{
  "mcpServers": {
    "elysiatools-webauthn-passkey-assertion-decoder-challenge-debugger": {
      "name": "webauthn-passkey-assertion-decoder-challenge-debugger",
      "description": "解析 clientDataJSON、authenticatorData、flags、rpIdHash 和 signCount；提供公钥时验证 ES256、RS256 或 Ed25519 签名。",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=webauthn-passkey-assertion-decoder-challenge-debugger",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

列出可用工具

连接到 SSE 端点后，列出已开放的工具：

tools/list
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

调用此工具

通过工具 id 调用，参数由其参数表构建：

tools/call
{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "webauthn-passkey-assertion-decoder-challenge-debugger",
    "arguments": {
  "clientDataJson": "{\"type\":\"webauthn.get\",\"challenge\":\"Y2hhbGxlbmdl\",\"origin\":\"https://example.com\"}",
  "clientDataEncoding": "json",
  "authenticatorData": "a379a6f6eeafb9a55e378c118034e2751e682fab9f2d30ab13d2125586ce19478500000002",
  "signature": "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
  "binaryEncoding": "hex",
  "expectedChallenge": "Y2hhbGxlbmdl",
  "expectedOrigin": "",
  "rpId": "example.com",
  "previousSignCount": 1,
  "cosePublicKey": "",
  "coseEncoding": "base64url"
}
  }
}
可用逗号分隔的 toolId 在一个会话中串联多个工具，例如 /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp（最多 20 个）。

有问题或反馈？请联系 [email protected]

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