206     mbedtls_cmac_context_t *cmac_ctx;  in mbedtls_cipher_cmac_starts()  local
231     cmac_ctx = mbedtls_calloc( 1, sizeof( mbedtls_cmac_context_t ) );  in mbedtls_cipher_cmac_starts()
232     if( cmac_ctx == NULL )  in mbedtls_cipher_cmac_starts()
235     ctx->cmac_ctx = cmac_ctx;  in mbedtls_cipher_cmac_starts()
237     mbedtls_zeroize( cmac_ctx->state, sizeof( cmac_ctx->state ) );  in mbedtls_cipher_cmac_starts()
245     mbedtls_cmac_context_t* cmac_ctx;  in mbedtls_cipher_cmac_update()  local
251         ctx->cmac_ctx == NULL )  in mbedtls_cipher_cmac_update()
254     cmac_ctx = ctx->cmac_ctx;  in mbedtls_cipher_cmac_update()
256     state = ctx->cmac_ctx->state;  in mbedtls_cipher_cmac_update()
260     if( cmac_ctx->unprocessed_len > 0 &&  in mbedtls_cipher_cmac_update()
261         ilen > block_size - cmac_ctx->unprocessed_len )  in mbedtls_cipher_cmac_update()
263         memcpy( &cmac_ctx->unprocessed_block[cmac_ctx->unprocessed_len],  in mbedtls_cipher_cmac_update()
265                 block_size - cmac_ctx->unprocessed_len );  in mbedtls_cipher_cmac_update()
267         cmac_xor_block( state, cmac_ctx->unprocessed_block, state, block_size );  in mbedtls_cipher_cmac_update()
275         input += block_size - cmac_ctx->unprocessed_len;  in mbedtls_cipher_cmac_update()
276         ilen -= block_size - cmac_ctx->unprocessed_len;  in mbedtls_cipher_cmac_update()
277         cmac_ctx->unprocessed_len = 0;  in mbedtls_cipher_cmac_update()
299         memcpy( &cmac_ctx->unprocessed_block[cmac_ctx->unprocessed_len],  in mbedtls_cipher_cmac_update()
302         cmac_ctx->unprocessed_len += ilen;  in mbedtls_cipher_cmac_update()
312     mbedtls_cmac_context_t* cmac_ctx;  in mbedtls_cipher_cmac_finish()  local
320     if( ctx == NULL || ctx->cipher_info == NULL || ctx->cmac_ctx == NULL ||  in mbedtls_cipher_cmac_finish()
324     cmac_ctx = ctx->cmac_ctx;  in mbedtls_cipher_cmac_finish()
326     state = cmac_ctx->state;  in mbedtls_cipher_cmac_finish()
332     last_block = cmac_ctx->unprocessed_block;  in mbedtls_cipher_cmac_finish()
335     if( cmac_ctx->unprocessed_len < block_size )  in mbedtls_cipher_cmac_finish()
337         cmac_pad( M_last, block_size, last_block, cmac_ctx->unprocessed_len );  in mbedtls_cipher_cmac_finish()
362     cmac_ctx->unprocessed_len = 0;  in mbedtls_cipher_cmac_finish()
363     mbedtls_zeroize( cmac_ctx->unprocessed_block,  in mbedtls_cipher_cmac_finish()
364                      sizeof( cmac_ctx->unprocessed_block ) );  in mbedtls_cipher_cmac_finish()
372     mbedtls_cmac_context_t* cmac_ctx;  in mbedtls_cipher_cmac_reset()  local
374     if( ctx == NULL || ctx->cipher_info == NULL || ctx->cmac_ctx == NULL )  in mbedtls_cipher_cmac_reset()
377     cmac_ctx = ctx->cmac_ctx;  in mbedtls_cipher_cmac_reset()
380     cmac_ctx->unprocessed_len = 0;  in mbedtls_cipher_cmac_reset()
381     mbedtls_zeroize( cmac_ctx->unprocessed_block,  in mbedtls_cipher_cmac_reset()
382                      sizeof( cmac_ctx->unprocessed_block ) );  in mbedtls_cipher_cmac_reset()
383     mbedtls_zeroize( cmac_ctx->state,  in mbedtls_cipher_cmac_reset()
384                      sizeof( cmac_ctx->state ) );  in mbedtls_cipher_cmac_reset()