From 16fa9960e0c5d6cc6daf4ca28ee19a0ff4a830a6 Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Thu, 10 Jul 2014 22:48:33 -0700
Subject: [PATCH] Test crypto_sign_detached()

---
 test/default/sign.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/test/default/sign.c b/test/default/sign.c
index bfb0456b..bfed3c7f 100644
--- a/test/default/sign.c
+++ b/test/default/sign.c
@@ -1052,6 +1052,7 @@ static TestData test_data[] = {
 
 int main(void)
 {
+    unsigned char      sig[crypto_sign_BYTES];
     unsigned char      sm[1024 + crypto_sign_BYTES];
     unsigned char      m[1024];
     unsigned char      skpk[crypto_sign_SECRETKEYBYTES +
@@ -1060,6 +1061,7 @@ int main(void)
     unsigned char      sk[crypto_sign_SECRETKEYBYTES];
     char               pk_hex[crypto_sign_PUBLICKEYBYTES * 2 + 1];
     char               sk_hex[crypto_sign_SECRETKEYBYTES * 2 + 1];
+    unsigned long long siglen;
     unsigned long long smlen;
     unsigned long long mlen;
     unsigned int       i;
@@ -1096,6 +1098,22 @@ int main(void)
                    i  % crypto_sign_BYTES);
             continue;
         }
+        if (crypto_sign_detached(sig, &siglen,
+                                 (const unsigned char *) test_data[i].m, i,
+                                 test_data[i].sk) != 0) {
+            printf("detached signature failed: [%u]\n", i);
+            continue;
+        }
+        if (siglen == 0U || siglen > crypto_sign_BYTES) {
+            printf("detached signature has an unexpected length");
+            continue;
+        }
+        if (crypto_sign_verify_detached(sig,
+                                        (const unsigned char *) test_data[i].m,
+                                        i, test_data[i].pk) != 0) {
+            printf("detached signature verification failed: [%u]\n", i);
+            continue;
+        }
     }
     printf("%u tests\n", i);