AccessPolicy

chie_crypto::abe

Struct AccessPolicy 

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pub struct AccessPolicy { /* private fields */ }
Expand description

Access policy for CP-ABE encryption.

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impl AccessPolicy

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pub fn new(root: PolicyNode) -> Self

Create a new access policy from a policy node.

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pub fn and(nodes: Vec<PolicyNode>) -> Self

Create an AND policy (all attributes required).

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pub fn or(nodes: Vec<PolicyNode>) -> Self

Create an OR policy (any attribute suffices).

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pub fn threshold(k: usize, children: Vec<PolicyNode>) -> Self

Create a threshold policy (k-of-n).

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pub fn evaluate(&self, attributes: &HashSet<String>) -> bool

Evaluate if attributes satisfy this policy.

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pub fn get_attributes(&self) -> HashSet<String>

Get all attributes mentioned in this policy.

Trait Implementations§

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impl Clone for AccessPolicy

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fn clone(&self) -> AccessPolicy

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for AccessPolicy

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for AccessPolicy

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Serialize for AccessPolicy

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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where Self: LowerExp,

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