// GetKeyBlob returns an encrypted blob containing the public and private
// halves of the key
func (key *Key) GetKeyBlob() ([]byte, error) {
var dataLen C.UINT32
var cData *C.BYTE
err := tspiError(C.Tspi_GetAttribData((C.TSS_HOBJECT)(key.handle), C.TSS_TSPATTRIB_KEY_BLOB, C.TSS_TSPATTRIB_KEYBLOB_BLOB, &dataLen, &cData))
data := C.GoBytes(unsafe.Pointer(cData), (C.int)(dataLen))
C.Tspi_Context_FreeMemory(key.context, cData)
return data, err
}
// GetModulus returns the modulus of the public key
func (key *Key) GetModulus() (modulus []byte, err error) {
var dataLen C.UINT32
var cData *C.BYTE
err = tspiError(C.Tspi_GetAttribData((C.TSS_HOBJECT)(key.handle), C.TSS_TSPATTRIB_RSAKEY_INFO, C.TSS_TSPATTRIB_KEYINFO_RSA_MODULUS, &dataLen, &cData))
data := C.GoBytes(unsafe.Pointer(cData), (C.int)(dataLen))
C.Tspi_Context_FreeMemory(key.context, cData)
return data, err
}