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provide.foundation.crypto.certificates.base

Classes

CertificateBase

Immutable base certificate data.

Functions
create classmethod 
create(config: CertificateConfig) -> tuple[Self, KeyPair]

Create a new certificate base and private key.

Source code in provide/foundation/crypto/certificates/base.py 
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@classmethod
def create(cls, config: CertificateConfig) -> tuple[Self, KeyPair]:
    """Create a new certificate base and private key."""
    _require_crypto()
    try:
        logger.debug("📜📝🚀 CertificateBase.create: Starting base creation")
        not_valid_before = config["not_valid_before"]
        not_valid_after = config["not_valid_after"]

        if not_valid_before.tzinfo is None:
            not_valid_before = not_valid_before.replace(tzinfo=UTC)
        if not_valid_after.tzinfo is None:
            not_valid_after = not_valid_after.replace(tzinfo=UTC)

        logger.debug(
            "📜📅 Certificate validity dates configured",
            not_valid_before=not_valid_before.isoformat(),
            not_valid_after=not_valid_after.isoformat(),
        )

        private_key: KeyPair
        match config["key_type"]:
            case KeyType.RSA:
                key_size = config.get("key_size", DEFAULT_RSA_KEY_SIZE)
                logger.debug(f"📜🔑🚀 Generating RSA key (size: {key_size})")
                private_key = rsa.generate_private_key(public_exponent=65537, key_size=key_size)
            case KeyType.ECDSA:
                curve_choice = config.get("curve", CurveType.SECP384R1)
                logger.debug(f"📜🔑🚀 Generating ECDSA key (curve: {curve_choice})")
                curve = getattr(ec, curve_choice.name)()
                private_key = ec.generate_private_key(curve)
            case _:
                raise ValueError(f"Internal Error: Unsupported key type: {config['key_type']}")

        subject = cls._create_name(config["common_name"], config["organization"])
        issuer = cls._create_name(config["common_name"], config["organization"])

        serial_number = x509.random_serial_number()

        base = cls(
            subject=subject,
            issuer=issuer,
            public_key=private_key.public_key(),
            not_valid_before=not_valid_before,
            not_valid_after=not_valid_after,
            serial_number=serial_number,
        )
        return base, private_key

    except Exception as e:
        logger.error(
            f"📜❌ CertificateBase.create: Failed: {e}",
            extra={"error": str(e), "trace": traceback.format_exc()},
        )
        raise CertificateError(f"Failed to generate certificate base: {e}") from e

CertificateError 

CertificateError(message: str, hint: str | None = None)

Bases: ValidationError

Certificate-related errors.

Source code in provide/foundation/crypto/certificates/base.py 
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def __init__(self, message: str, hint: str | None = None) -> None:
    super().__init__(
        message=message,
        field="certificate",
        value=None,
        rule=hint or "Certificate operation failed",
    )