1 files changed, 39 insertions, 0 deletions
diff --git a/test/default/secretbox_easy2.c b/test/default/secretbox_easy2.c
new file mode 100644
index 0000000..63105b6
--- /dev/null
+++ b/test/default/secretbox_easy2.c
@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <string.h>
+
+#define TEST_NAME "secretbox_easy2"
+#include "cmptest.h"
+
+unsigned char m[10000];
+unsigned char m2[10000];
+unsigned char c[crypto_secretbox_MACBYTES + 10000];
+unsigned char nonce[crypto_secretbox_NONCEBYTES];
+unsigned char k[crypto_secretbox_KEYBYTES];
+unsigned char mac[crypto_secretbox_MACBYTES];
+
+int main(void)
+{
+    unsigned long long mlen;
+    unsigned long long i;
+
+    randombytes_buf(k, sizeof k);
+    mlen = (unsigned long long) randombytes_uniform((uint32_t) sizeof m);
+    randombytes_buf(m, mlen);
+    randombytes_buf(nonce, sizeof nonce);
+    crypto_secretbox_easy(c, m, mlen, nonce, k);
+    crypto_secretbox_open_easy(m2, c, mlen + crypto_secretbox_MACBYTES,
+                               nonce, k);
+    printf("%d\n", memcmp(m, m2, mlen));
+
+    for (i = 0; i < mlen + crypto_secretbox_MACBYTES - 1; i++) {
+        if (crypto_secretbox_open_easy(m2, c, i, nonce, k) == 0) {
+            printf("short open() should have failed");
+            return 1;
+        }
+    }
+    crypto_secretbox_detached(c, mac, m, mlen, nonce, k);
+    crypto_secretbox_open_detached(m2, c, mac, mlen, nonce, k);
+    printf("%d\n", memcmp(m, m2, mlen));
+
+    return 0;
+}