question: initialize this mac with a key and no parameters . concode_field_sep Provider provider concode_elem_sep boolean virgin concode_elem_sep String SERVICE concode_elem_sep MacSpi macSpi concode_elem_sep String algorithm concode_field_sep int getMacLength concode_elem_sep String getAlgorithm concode_elem_sep Object clone concode_elem_sep Provider getProvider concode_elem_sep void reset concode_elem_sep void update concode_elem_sep void update concode_elem_sep void update concode_elem_sep Mac getInstance concode_elem_sep Mac getInstance concode_elem_sep Mac getInstance concode_elem_sep byte[] doFinal concode_elem_sep byte[] doFinal concode_elem_sep void doFinal
target: void function ( Key arg0 ) { try { init ( arg0 , null ) ; } catch ( InvalidAlgorithmParameterException loc0 ) { throw new IllegalArgumentException ( algorithm + "srini_string" ) ; } }