1 files changed, 32 insertions, 0 deletions

diff --git a/nacl/tests/secretbox7.c b/nacl/tests/secretbox7.c
new file mode 100644
index 00000000..d4be9b49
--- /dev/null
+++ b/nacl/tests/secretbox7.c
@@ -0,0 +1,32 @@
+#include <stdio.h>
+#include "crypto_secretbox.h"
+#include "randombytes.h"
+
+unsigned char k[crypto_secretbox_KEYBYTES];
+unsigned char n[crypto_secretbox_NONCEBYTES];
+unsigned char m[10000];
+unsigned char c[10000];
+unsigned char m2[10000];
+
+main()
+{
+  int mlen;
+  int i;
+
+  for (mlen = 0;mlen < 1000 && mlen + crypto_secretbox_ZEROBYTES < sizeof m;++mlen) {
+    randombytes(k,crypto_secretbox_KEYBYTES);
+    randombytes(n,crypto_secretbox_NONCEBYTES);
+    randombytes(m + crypto_secretbox_ZEROBYTES,mlen);
+    crypto_secretbox(c,m,mlen + crypto_secretbox_ZEROBYTES,n,k);
+    if (crypto_secretbox_open(m2,c,mlen + crypto_secretbox_ZEROBYTES,n,k) == 0) {
+      for (i = 0;i < mlen + crypto_secretbox_ZEROBYTES;++i)
+        if (m2[i] != m[i]) {
+          printf("bad decryption\n");
+          break;
+        }
+    } else {
+      printf("ciphertext fails verification\n");
+    }
+  }
+  return 0;
+}