On this pageAbstractKeyManagementSystem class This base abstract class should be extended to provide cryptographic functions to other Veramo plugins. Signature: export declare abstract class AbstractKeyManagementSystem Methods Method Modifiers Description createKey(args) abstract deleteKey(args) abstract importKey(args) abstract listKeys() abstract sharedSecret(args) abstract sign(args) abstract signEthTX({ key, transaction }) signJWT({ key, data })