231     mbedtls_cmac_context_t *cmac_ctx;  in mbedtls_cipher_cmac_starts()  local
256     cmac_ctx = mbedtls_calloc( 1, sizeof( mbedtls_cmac_context_t ) );  in mbedtls_cipher_cmac_starts()
257     if( cmac_ctx == NULL )  in mbedtls_cipher_cmac_starts()
260     ctx->cmac_ctx = cmac_ctx;  in mbedtls_cipher_cmac_starts()
262     mbedtls_platform_zeroize( cmac_ctx->state, sizeof( cmac_ctx->state ) );  in mbedtls_cipher_cmac_starts()
270     mbedtls_cmac_context_t* cmac_ctx;  in mbedtls_cipher_cmac_update()  local
276         ctx->cmac_ctx == NULL )  in mbedtls_cipher_cmac_update()
279     cmac_ctx = ctx->cmac_ctx;  in mbedtls_cipher_cmac_update()
281     state = ctx->cmac_ctx->state;  in mbedtls_cipher_cmac_update()
285     if( cmac_ctx->unprocessed_len > 0 &&  in mbedtls_cipher_cmac_update()
286         ilen > block_size - cmac_ctx->unprocessed_len )  in mbedtls_cipher_cmac_update()
288         memcpy( &cmac_ctx->unprocessed_block[cmac_ctx->unprocessed_len],  in mbedtls_cipher_cmac_update()
290                 block_size - cmac_ctx->unprocessed_len );  in mbedtls_cipher_cmac_update()
292         cmac_xor_block( state, cmac_ctx->unprocessed_block, state, block_size );  in mbedtls_cipher_cmac_update()
300         input += block_size - cmac_ctx->unprocessed_len;  in mbedtls_cipher_cmac_update()
301         ilen -= block_size - cmac_ctx->unprocessed_len;  in mbedtls_cipher_cmac_update()
302         cmac_ctx->unprocessed_len = 0;  in mbedtls_cipher_cmac_update()
325         memcpy( &cmac_ctx->unprocessed_block[cmac_ctx->unprocessed_len],  in mbedtls_cipher_cmac_update()
328         cmac_ctx->unprocessed_len += ilen;  in mbedtls_cipher_cmac_update()
338     mbedtls_cmac_context_t* cmac_ctx;  in mbedtls_cipher_cmac_finish()  local
346     if( ctx == NULL || ctx->cipher_info == NULL || ctx->cmac_ctx == NULL ||  in mbedtls_cipher_cmac_finish()
350     cmac_ctx = ctx->cmac_ctx;  in mbedtls_cipher_cmac_finish()
352     state = cmac_ctx->state;  in mbedtls_cipher_cmac_finish()
358     last_block = cmac_ctx->unprocessed_block;  in mbedtls_cipher_cmac_finish()
361     if( cmac_ctx->unprocessed_len < block_size )  in mbedtls_cipher_cmac_finish()
363         cmac_pad( M_last, block_size, last_block, cmac_ctx->unprocessed_len );  in mbedtls_cipher_cmac_finish()
388     cmac_ctx->unprocessed_len = 0;  in mbedtls_cipher_cmac_finish()
389     mbedtls_platform_zeroize( cmac_ctx->unprocessed_block,  in mbedtls_cipher_cmac_finish()
390                               sizeof( cmac_ctx->unprocessed_block ) );  in mbedtls_cipher_cmac_finish()
398     mbedtls_cmac_context_t* cmac_ctx;  in mbedtls_cipher_cmac_reset()  local
400     if( ctx == NULL || ctx->cipher_info == NULL || ctx->cmac_ctx == NULL )  in mbedtls_cipher_cmac_reset()
403     cmac_ctx = ctx->cmac_ctx;  in mbedtls_cipher_cmac_reset()
406     cmac_ctx->unprocessed_len = 0;  in mbedtls_cipher_cmac_reset()
407     mbedtls_platform_zeroize( cmac_ctx->unprocessed_block,  in mbedtls_cipher_cmac_reset()
408                               sizeof( cmac_ctx->unprocessed_block ) );  in mbedtls_cipher_cmac_reset()
409     mbedtls_platform_zeroize( cmac_ctx->state,  in mbedtls_cipher_cmac_reset()
410                               sizeof( cmac_ctx->state ) );  in mbedtls_cipher_cmac_reset()