add external dependencies in a pre-built way to avoid incompatibilities

external/include/sodium/crypto_secretbox.h

@@ -0,0 +1,93 @@
+#ifndef crypto_secretbox_H
+#define crypto_secretbox_H
+
+#include <stddef.h>
+
+#include "crypto_secretbox_xsalsa20poly1305.h"
+#include "export.h"
+
+#ifdef __cplusplus
+# ifdef __GNUC__
+#  pragma GCC diagnostic ignored "-Wlong-long"
+# endif
+extern "C" {
+#endif
+
+#define crypto_secretbox_KEYBYTES crypto_secretbox_xsalsa20poly1305_KEYBYTES
+SODIUM_EXPORT
+size_t  crypto_secretbox_keybytes(void);
+
+#define crypto_secretbox_NONCEBYTES crypto_secretbox_xsalsa20poly1305_NONCEBYTES
+SODIUM_EXPORT
+size_t  crypto_secretbox_noncebytes(void);
+
+#define crypto_secretbox_MACBYTES crypto_secretbox_xsalsa20poly1305_MACBYTES
+SODIUM_EXPORT
+size_t  crypto_secretbox_macbytes(void);
+
+#define crypto_secretbox_PRIMITIVE "xsalsa20poly1305"
+SODIUM_EXPORT
+const char *crypto_secretbox_primitive(void);
+
+#define crypto_secretbox_MESSAGEBYTES_MAX crypto_secretbox_xsalsa20poly1305_MESSAGEBYTES_MAX
+SODIUM_EXPORT
+size_t crypto_secretbox_messagebytes_max(void);
+
+SODIUM_EXPORT
+int crypto_secretbox_easy(unsigned char *c, const unsigned char *m,
+                          unsigned long long mlen, const unsigned char *n,
+                          const unsigned char *k) __attribute__ ((nonnull(1, 4, 5)));
+
+SODIUM_EXPORT
+int crypto_secretbox_open_easy(unsigned char *m, const unsigned char *c,
+                               unsigned long long clen, const unsigned char *n,
+                               const unsigned char *k)
+            __attribute__ ((warn_unused_result)) __attribute__ ((nonnull(2, 4, 5)));
+
+SODIUM_EXPORT
+int crypto_secretbox_detached(unsigned char *c, unsigned char *mac,
+                              const unsigned char *m,
+                              unsigned long long mlen,
+                              const unsigned char *n,
+                              const unsigned char *k)
+            __attribute__ ((nonnull(1, 2, 5, 6)));
+
+SODIUM_EXPORT
+int crypto_secretbox_open_detached(unsigned char *m,
+                                   const unsigned char *c,
+                                   const unsigned char *mac,
+                                   unsigned long long clen,
+                                   const unsigned char *n,
+                                   const unsigned char *k)
+            __attribute__ ((warn_unused_result)) __attribute__ ((nonnull(2, 3, 5, 6)));
+
+SODIUM_EXPORT
+void crypto_secretbox_keygen(unsigned char k[crypto_secretbox_KEYBYTES])
+            __attribute__ ((nonnull));
+
+/* -- NaCl compatibility interface ; Requires padding -- */
+
+#define crypto_secretbox_ZEROBYTES crypto_secretbox_xsalsa20poly1305_ZEROBYTES
+SODIUM_EXPORT
+size_t  crypto_secretbox_zerobytes(void);
+
+#define crypto_secretbox_BOXZEROBYTES crypto_secretbox_xsalsa20poly1305_BOXZEROBYTES
+SODIUM_EXPORT
+size_t  crypto_secretbox_boxzerobytes(void);
+
+SODIUM_EXPORT
+int crypto_secretbox(unsigned char *c, const unsigned char *m,
+                     unsigned long long mlen, const unsigned char *n,
+                     const unsigned char *k) __attribute__ ((nonnull(1, 4, 5)));
+
+SODIUM_EXPORT
+int crypto_secretbox_open(unsigned char *m, const unsigned char *c,
+                          unsigned long long clen, const unsigned char *n,
+                          const unsigned char *k)
+            __attribute__ ((warn_unused_result)) __attribute__ ((nonnull(2, 4, 5)));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif