parseSymmetricKey abstract method

SymmetricKey? parseSymmetricKey(
  1. Mapping key
)

Parses a serialized Map into a SymmetricKey instance.

key: Serialized key data (matches the Map format defined in SymmetricKey)

Returns: SymmetricKey instance, or null if parsing/validation fails

Implementation

SymmetricKey? parseSymmetricKey(Mapping key);