Fixes #4

ycrypto · Oct 24, 2020 · c9c4656 · c9c4656
1 parent 22a1567
commit c9c4656
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Showing 2 changed files with 8 additions and 5 deletions.
diff --git a/c-api/Makefile b/c-api/Makefile
@@ -15,12 +15,14 @@ clean:
 libopencm3/lib/libopencm3_stm32f4.a:
 	$(MAKE) -C libopencm3
 
-build-example: libopencm3/lib/libopencm3_stm32f4.a
+example/example.elf: libopencm3/lib/libopencm3_stm32f4.a
 	$(MAKE) -C example
 
+build-example: example/example.elf
+
 SEMIHOSTING = -semihosting-config enable=on,target=native
 SPEC = -cpu cortex-m33 -machine musca-b1 -nographic
-run-example:
+run-example: build-example
 	# Get out via Ctrl-A X in case QEMU does not return
 	qemu-system-arm $(SPEC) $(SEMIHOSTING) -kernel example/example.elf
 

diff --git a/c-api/example/example.c b/c-api/example/example.c
@@ -1,5 +1,6 @@
 #include <assert.h>
 #include <stdio.h>
+#include <string.h>
 #include <unistd.h>
 #include "salty.h"
 
@@ -24,15 +25,15 @@ int main(void) {
 
     uint8_t public_key[32];
 
-    uint8_t data [] = "salty!";
+    const uint8_t data [] = "salty!";
 
     uint8_t signature[64];
 
     /* __asm__("BKPT"); */
 
     salty_public_key(&seed, &public_key);
-    salty_sign(&seed, data, 6, &signature);
-    salty_Error err = salty_verify(&public_key, data, sizeof(data), &signature);
+    salty_sign(&seed, data, strlen((const char*) data), &signature);
+    salty_Error err = salty_verify(&public_key, data, strlen((const char*) data), &signature);
 
     /* assert(1); */