mcp_decrypt_pii_item
Decrypt encrypted personally identifiable information (PII) data items using advanced cryptographic methods. Specify the encrypted value and PII type to retrieve the original data.
Instructions
MCP Tool: PII 항목 복호화
Args:
encrypted_value (str): 복호화할 암호화된 값
pii_type (str): PII 유형
Returns:
Dict[str, Any]: 복호화 결과Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| encrypted_value | Yes | ||
| pii_type | Yes |
Output Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| result | Yes |
Implementation Reference
- mcp_pii_tools.py:618-649 (handler)MCP tool handler function for mcp_decrypt_pii_item. Instantiates PIICrypto and calls its decrypt_pii_item method, returning a standardized response dictionary.
@mcp.tool() def mcp_decrypt_pii_item(encrypted_value: str, pii_type: str) -> Dict[str, Any]: """ MCP Tool: PII 항목 복호화 Args: encrypted_value (str): 복호화할 암호화된 값 pii_type (str): PII 유형 Returns: Dict[str, Any]: 복호화 결과 """ try: crypto = PIICrypto() decrypted_value = crypto.decrypt_pii_item(encrypted_value, pii_type) return { "success": True, "encrypted_value": encrypted_value, "decrypted_value": decrypted_value, "pii_type": pii_type, "decryption_method": "deterministic" if pii_type in crypto.deterministic_types else "fpe" } except Exception as e: return { "success": False, "error": str(e), "encrypted_value": encrypted_value, "decrypted_value": "", "pii_type": pii_type } - mcp_pii_tools.py:930-947 (schema)JSON schema and metadata definition for the decrypt_pii_item tool in MCP_TOOLS dictionary, specifying parameters, types, descriptions, and required fields.
"decrypt_pii_item": { "name": "decrypt_pii_item", "description": "암호화된 PII 항목을 복호화합니다.", "parameters": { "type": "object", "properties": { "encrypted_value": { "type": "string", "description": "복호화할 암호화된 값" }, "pii_type": { "type": "string", "description": "PII 유형 (암호화 시 사용한 유형과 동일해야 함)" } }, "required": ["encrypted_value", "pii_type"] } }, - pii_crypto.py:475-496 (helper)Core helper method in PIICrypto class that performs the actual decryption: chooses deterministic_decrypt or fpe_decrypt based on pii_type.
def decrypt_pii_item(self, encrypted_value: str, pii_type: str) -> str: """ 암호화된 PII 항목을 복호화 Args: encrypted_value: 암호화된 값 pii_type: PII 유형 Returns: 복호화된 값 """ if not encrypted_value: return encrypted_value if pii_type in self.deterministic_types: return self.deterministic_decrypt(encrypted_value, pii_type) elif pii_type in self.fpe_types: return self.fpe_decrypt(encrypted_value, pii_type) else: # 기본적으로 결정론적 복호화 사용 return self.deterministic_decrypt(encrypted_value, pii_type)