SKALE-1880-add-return-parameter-to-function

secure_enclave/Point.c

@@ -82,16 +82,19 @@ void point_set(point R, point P)
 }
 
 /*Set point from strings of a base from 2-62*/
-void point_set_str(point p, const  char *x, const char *y, int base)
+int point_set_str(point p, const  char *x, const char *y, int base)
 {
-	mpz_set_str(p->x, x, base);
-	mpz_set_str(p->y, y, base);
+	if (mpz_set_str(p->x, x, base) != 0 || mpz_set_str(p->y, y, base) != 0) {
+        return 1;
+    }
+
+    return 0;
 }
 
 /*Set point from hexadecimal strings*/
-void point_set_hex(point p, const char *x, const char *y)
+int point_set_hex(point p, const char *x, const char *y)
 {
-	point_set_str(p,x,y,16);
+	return point_set_str(p,x,y,16);
 }
 
 /*Set point from decimal unsigned long ints*/

secure_enclave/Point.h

@@ -46,7 +46,7 @@ EXTERNC void point_inverse(point R, point P, domain_parameters curve);
 EXTERNC void point_print(point p);
 
 /*Set point from hexadecimal strings*/
-EXTERNC void point_set_hex(point p, const char *x, const char *y);
+EXTERNC int point_set_hex(point p, const char *x, const char *y);
 
 /*Set point from decimal unsigned long ints*/
 EXTERNC void point_set_ui(point p, unsigned long int x, unsigned long int y);
@@ -61,7 +61,7 @@ EXTERNC void point_doubling(point R, point P, domain_parameters curve);
 EXTERNC void point_multiplication(point R, mpz_t multiplier, point P, domain_parameters curve);
 
 /*Set point from strings of a base from 2-62*/
-EXTERNC void point_set_str(point p, const char *x, const char *y, int base);
+EXTERNC int point_set_str(point p, const char *x, const char *y, int base);
 
 /*Compare two points return 1 if not the same, returns 0 if they are the same*/
 EXTERNC bool point_cmp(point P, point Q);

secure_enclave/Signature.c

@@ -59,14 +59,16 @@ void signature_print(signature sig) {
 }
 
 /*Set signature from strings of a base from 2-62*/
-void signature_set_str(signature sig, const char *r, const char *s, int base) {
-    mpz_set_str(sig->r, r, base);
-    mpz_set_str(sig->s, s, base);
+int signature_set_str(signature sig, const char *r, const char *s, int base) {
+    if ( mpz_set_str(sig->r, r, base) !=0 || mpz_set_str(sig->s, s, base) != 0) {
+        return 1;
+    }
+    return 0;
 }
 
 /*Set signature from hexadecimal strings*/
-void signature_set_hex(signature sig, const char *r, const char *s) {
-    signature_set_str(sig, r, s, 16);
+int signature_set_hex(signature sig, const char *r, const char *s) {
+    return signature_set_str(sig, r, s, 16);
 }
 
 /*Set signature from decimal unsigned long ints*/

secure_enclave/Signature.h

@@ -44,10 +44,10 @@ typedef struct signature_s* signature;
 EXTERNC signature signature_init();
 
 /*Set signature from strings of a base from 2-62*/
-EXTERNC void signature_set_str(signature sig, const char *r, const char *s, int base);
+EXTERNC int signature_set_str(signature sig, const char *r, const char *s, int base);
 
 /*Set signature from hexadecimal strings*/
-EXTERNC void signature_set_hex(signature sig, const char *r, const char *s);
+EXTERNC int signature_set_hex(signature sig, const char *r, const char *s);
 
 /*Set signature from decimal unsigned long ints*/
 EXTERNC void signature_set_ui(signature sig, unsigned long int r, unsigned long int s);