Add a return value to hasher_t.reset()

src/libstrongswan/plugins/sha1/sha1_hasher.c

@@ -175,7 +175,7 @@ static void SHA1Final(private_sha1_hasher_t *this, u_int8_t *digest)
 	}
 }
 
-METHOD(hasher_t, reset, void,
+METHOD(hasher_t, reset, bool,
 	private_sha1_hasher_t *this)
 {
 	this->state[0] = 0x67452301;
@@ -185,6 +185,8 @@ METHOD(hasher_t, reset, void,
 	this->state[4] = 0xC3D2E1F0;
 	this->count[0] = 0;
 	this->count[1] = 0;
+
+	return TRUE;
 }
 
 METHOD(hasher_t, get_hash, bool,

src/libstrongswan/plugins/sha1/sha1_prf.c

@@ -100,7 +100,11 @@ METHOD(prf_t, set_key, bool,
 	int i, rounds;
 	u_int32_t *iv = (u_int32_t*)key.ptr;
 
-	this->hasher->public.hasher_interface.reset(&this->hasher->public.hasher_interface);
+	if (!this->hasher->public.hasher_interface.reset(
+										&this->hasher->public.hasher_interface))
+	{
+		return FALSE;
+	}
 	rounds = min(key.len/sizeof(u_int32_t), sizeof(this->hasher->state));
 	for (i = 0; i < rounds; i++)
 	{