FPE API

key = sdk.metadata.generate_key()

tweak = sdk.metadata.generate_tweak_from_data(data)

# Example with different data types
data = {
    "user_id": "USR123456",
    "email": "user@example.com",
    "score": 95.5,
    "categories": ["A", "B", "C"]
}

key = sdk.metadata.generate_key()
tweak = sdk.metadata.generate_tweak_from_data(data)
encrypted = sdk.metadata.encrypt(data, key, tweak)

decrypted = sdk.metadata.decrypt(encrypted, key, tweak)

# 1. Setup encryption
class SecureDataProcessor:
    def __init__(self, sdk):
        self.sdk = sdk
        self.key = sdk.metadata.generate_key()
    
    def process_record(self, record):
        # Generate unique tweak for this record
        tweak = self.sdk.metadata.generate_tweak_from_data(record)
        
        # Encrypt
        encrypted = self.sdk.metadata.encrypt(
            record,
            self.key,
            tweak
        )
        
        return {
            "encrypted_data": encrypted,
            "tweak": tweak
        }
    
    def retrieve_record(self, encrypted_data, tweak):
        # Decrypt
        return self.sdk.metadata.decrypt(
            encrypted_data,
            self.key,
            tweak
        )

# 2. Usage
processor = SecureDataProcessor(sdk)

# Process sensitive data
sensitive_record = {
    "ssn": "123-45-6789",
    "credit_card": "4111-1111-1111-1111",
    "phone": "(555) 123-4567"
}

# Encrypt
protected = processor.process_record(sensitive_record)

# Decrypt
original = processor.retrieve_record(
    protected["encrypted_data"],
    protected["tweak"]
)