tmnpy.dsl.requirement.SecurityProperty

class tmnpy.dsl.requirement.SecurityProperty(confidentiality: Property = Property.NONE, integrity: Property = Property.NONE, availability: Property = Property.NONE, authenticity: Property = Property.NONE, non_repudiation: Property = Property.NONE, authorization: Property = Property.NONE)

Determine what are the security properties associated with an element, specifically Confidentiality, Integrity, Availability, Authenticity, Non-Repudiation, and Authorization. This helps set prioritization of elements in a threat model as well as provides more granularity on evaluating threats.

SecurityProperty has a 1-1 match with tmnpy.dsl.requirement.STRIDE(). See each property for more information.

Parameters:

confidentialitystr, default None

Confidentiality requirement for the element. Valid value are: NONE, LOW, HIGH. Case-insensitive.

integritystr, default None

Integrity requirement for the element. Valid value are: NONE, LOW, HIGH. Case-insensitive.

availabilitystr, default None

Availability requirement for the element. Valid value are: NONE, LOW, HIGH. Case-insensitive.

authenticitystr, default None

Authenticity requirement for the element. Valid value are: NONE, LOW, HIGH. Case-insensitive.

non_repudiationstr, default None

Non-Repudiation requirement for the element. Valid value are: NONE, LOW, HIGH. Case-insensitive.

authorizationstr, default None

Authorization requirement for the element. Valid value are: NONE, LOW, HIGH. Case-insensitive.

Attributes:

authenticity

Authenticity requirement.

authorization

Authorization requirement.

availability

Availability requirement.

confidentiality

Confidentiality requirement.

info

integrity

Integrity requirement.

non_repudiation

Non-Repudiation requirement.

__init__(confidentiality: Property = Property.NONE, integrity: Property = Property.NONE, availability: Property = Property.NONE, authenticity: Property = Property.NONE, non_repudiation: Property = Property.NONE, authorization: Property = Property.NONE) → None

Methods

__init__([confidentiality, integrity, ...])

Attributes

authenticity	Authenticity requirement.
authorization	Authorization requirement.
availability	Availability requirement.
confidentiality	Confidentiality requirement.
info
integrity	Integrity requirement.
non_repudiation	Non-Repudiation requirement.