OptionalbitSize of the key in bits
OptionalblockBlock size of the key
Whether the key can be used for decryption
Whether the key can be used for key derivation
Whether the key can be used for encryption
Whether the key can be used for signing
Whether the key can be used for unwrapping another key
Whether the key can be used for verification
Whether the key can be used for wrapping another key
OptionaleffectiveEffective size of the key in bits
OptionalexternalBase64 encoded external representation of the key
OptionalisWhether the key is stored permanently in the keychain
OptionalkeyBase64 encoded representation of the application label data
OptionaltypeType of the key (RSA, Elliptic Curve, etc.)
A model representing a SecKey with its properties and capabilities