+void hfal_stacksize(const hfdesc_t* hd){
+ hfdesc_t hf;
+ stack_measuring_ctx_t smctx;
+ memcpy_P(&hf, hd, sizeof(hfdesc_t));
+ uint8_t ctx[hf.ctxsize_B];
+ uint8_t data[(hf.blocksize_b+7)/8];
+ uint8_t digest[(hf.hashsize_b+7)/8];
+ uint16_t t1, t2;
+
+ if(hf.type!=HFDESC_TYPE_HASHFUNCTION)
+ return;
+ cli_putstr_P(PSTR("\r\n\r\n === "));
+ cli_putstr_P(hf.name);
+ cli_putstr_P(PSTR(" stack-usage === "));
+
+ cli();
+ stack_measure_init(&smctx, PATTERN_A);
+ hf.init(&ctx);
+ t1 = stack_measure_final(&smctx);
+ stack_measure_init(&smctx, PATTERN_B);
+ hf.init(&ctx);
+ t2 = stack_measure_final(&smctx);
+ sei();
+
+ t1 = (t1>t2)?t1:t2;
+ cli_putstr_P(PSTR("\r\n init (bytes): "));
+ printvalue((unsigned long)t1);
+
+ cli();
+ stack_measure_init(&smctx, PATTERN_A);
+ hf.nextBlock(&ctx, data);
+ t1 = stack_measure_final(&smctx);
+ stack_measure_init(&smctx, PATTERN_B);
+ hf.nextBlock(&ctx, data);
+ t2 = stack_measure_final(&smctx);
+ sei();
+
+ t1 = (t1>t2)?t1:t2;
+ cli_putstr_P(PSTR("\r\n nextBlock (bytes): "));
+ printvalue((unsigned long)t1);
+
+ cli();
+ stack_measure_init(&smctx, PATTERN_A);
+ hf.lastBlock(&ctx, data, 0);
+ t1 = stack_measure_final(&smctx);
+ stack_measure_init(&smctx, PATTERN_B);
+ hf.lastBlock(&ctx, data, 0);
+ t2 = stack_measure_final(&smctx);
+ sei();
+
+ t1 = (t1>t2)?t1:t2;
+ cli_putstr_P(PSTR("\r\n lastBlock (bytes): "));
+ printvalue((unsigned long)t1);
+
+ cli();
+ stack_measure_init(&smctx, PATTERN_A);
+ hf.ctx2hash(digest, &ctx);
+ t1 = stack_measure_final(&smctx);
+ stack_measure_init(&smctx, PATTERN_B);
+ hf.ctx2hash(digest, &ctx);
+ t2 = stack_measure_final(&smctx);
+ sei();
+
+ t1 = (t1>t2)?t1:t2;
+ cli_putstr_P(PSTR("\r\n ctx2hash (bytes): "));
+ printvalue((unsigned long)t1);
+
+ if(hf.free){
+ hf.free(&ctx);
+ }
+}