{
  "$schema": "https://agent-handshake.org/schema/v1/handshake.json",
  "handshake_id": "SI-001",
  "protocol": "RFC-9421",
  "status": "enabled",
  "enforcement": "required-for-write",
  "domain": "ocosafer.com.br",
  "title": "Handshake de Assinatura de Agente (SI-001)",
  "description": "Especificação de handshake para verificação de agentes autônomos. Operações de escrita, mutações no cofre e submissões de dados requerem assinatura digital HTTP conforme a norma RFC-9421 antes de sua execução.",
  "algorithms_supported": ["ed25519", "ecdsa-p256-sha256", "rsa-pss-sha512"],
  "covered_components": ["@method", "@target-uri", "@authority", "content-digest"],
  "challenge_header": "WWW-Authenticate: Signature realm=\"ocosafer.com.br\", protocol=\"RFC-9421\", handshake=\"SI-001\"",
  "response_headers": {
    "signature_input": "sig=(\"@method\" \"@target-uri\" \"@authority\" \"content-digest\");keyid=\"<agent_key_id>\";alg=\"ed25519\"",
    "signature": "sig=:<signature_base64>:",
    "content_digest": "sha-256=:<sha256_base64>:"
  },
  "endpoints": {
    "handshake": "https://ocosafer.com.br/.well-known/agent-handshake.json",
    "agent_identity": "https://ocosafer.com.br/.well-known/aid.json",
    "agent_card": "https://ocosafer.com.br/.well-known/agent-card.json",
    "mcp_server": "https://ocosafer-cofre-api-prod.xerifegomes-e71.workers.dev/mcp",
    "llms": "https://ocosafer.com.br/llms.txt"
  }
}