1 files changed, 15 insertions, 0 deletions

diff --git a/nacl/crypto_stream/aes128ctr/core2/xor.c b/nacl/crypto_stream/aes128ctr/core2/xor.c
new file mode 100644
index 00000000..825088cc
--- /dev/null
+++ b/nacl/crypto_stream/aes128ctr/core2/xor.c
@@ -0,0 +1,15 @@
+#include "crypto_stream.h"
+
+int crypto_stream_xor(
+        unsigned char *out,
+        const unsigned char *in,
+        unsigned long long inlen,
+        const unsigned char *n,
+        const unsigned char *k
+        )
+{
+    unsigned char d[crypto_stream_BEFORENMBYTES];
+    crypto_stream_beforenm(d, k);
+    crypto_stream_xor_afternm(out, in, inlen, n, d);
+    return 0;
+}