227     int output_written = -1;  in Finish()  local
228     if (!EVP_CipherFinal_ex(&ctx_, output->peek_write(), &output_written)) {  in Finish()
235     assert(output_written <= AES_BLOCK_SIZE);  in Finish()
236     if (!output->advance_write(output_written))  in Finish()
416     int output_written;  in ProcessBufferedAadBlock()  local
417     if (EVP_CipherUpdate(&ctx_, nullptr /* out */, &output_written, aad_block_buf_.get(),  in ProcessBufferedAadBlock()
428     int output_written;  in ProcessAadBlocks()  local
429     if (EVP_CipherUpdate(&ctx_, nullptr /* out */, &output_written, data, blocks * AES_BLOCK_SIZE))  in ProcessAadBlocks()
460     int output_written = -1;  in InternalUpdate()  local
461     if (!EVP_CipherUpdate(&ctx_, output->peek_write(), &output_written, input, input_length)) {  in InternalUpdate()
465     return output->advance_write(output_written);  in InternalUpdate()