1 files changed, 28 insertions, 0 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_stream/xsalsa20/ref/stream_xsalsa20.c b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_stream/xsalsa20/ref/stream_xsalsa20.c
new file mode 100644
index 00000000..64e42cb7
--- /dev/null
+++ b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_stream/xsalsa20/ref/stream_xsalsa20.c
@@ -0,0 +1,28 @@
+/*
+version 20080914
+D. J. Bernstein
+Public domain.
+*/
+
+#include "api.h"
+#include "crypto_core_hsalsa20.h"
+#include "crypto_stream_salsa20.h"
+#include "utils.h"
+
+static const unsigned char sigma[16] = {
+    'e', 'x', 'p', 'a', 'n', 'd', ' ', '3', '2', '-', 'b', 'y', 't', 'e', ' ', 'k'
+};
+
+int crypto_stream(
+        unsigned char *c,unsigned long long clen,
+  const unsigned char *n,
+  const unsigned char *k
+)
+{
+  unsigned char subkey[32];
+  int ret;
+  crypto_core_hsalsa20(subkey,n,k,sigma);
+  ret = crypto_stream_salsa20(c,clen,n + 16,subkey);
+  sodium_memzero(subkey, sizeof subkey);
+  return ret;
+}