1 files changed, 34 insertions, 0 deletions

diff --git a/nacl/tests/auth2.c b/nacl/tests/auth2.c
new file mode 100644
index 00000000..ba191de4
--- /dev/null
+++ b/nacl/tests/auth2.c
@@ -0,0 +1,34 @@
+/* "Test Case AUTH256-4" from RFC 4868 */
+
+#include <stdio.h>
+#include "crypto_auth_hmacsha256.h"
+
+unsigned char key[32] = {
+ 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08
+,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10
+,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18
+,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20
+} ;
+
+unsigned char c[50] = {
+ 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
+,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
+,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
+,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
+,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
+,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
+,0xcd,0xcd
+} ;
+
+unsigned char a[32];
+
+main()
+{
+  int i;
+  crypto_auth_hmacsha256(a,c,sizeof c,key);
+  for (i = 0;i < 32;++i) {
+    printf(",0x%02x",(unsigned int) a[i]);
+    if (i % 8 == 7) printf("\n");
+  }
+  return 0;
+}