interfacecrypto.ECKeyPairOptionsinterface ECKeyPairOptionsnamedCurve: stringparamEncoding?: 'explicit' | 'named'privateKeyEncoding?: JwkKeyExportOptions | RawPrivateKeyExportOptions | PrivateKeyExportOptions<'pkcs8' | 'sec1'>publicKeyEncoding?: JwkKeyExportOptions | RawPublicKeyExportOptions | PublicKeyExportOptions<'spki'>