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

external/include/sodium/crypto_secretstream_xchacha20poly1305.h

@@ -0,0 +1,108 @@
+#ifndef crypto_secretstream_xchacha20poly1305_H
+#define crypto_secretstream_xchacha20poly1305_H
+
+#include <stddef.h>
+
+#include "crypto_aead_xchacha20poly1305.h"
+#include "crypto_stream_chacha20.h"
+#include "export.h"
+
+#ifdef __cplusplus
+# ifdef __GNUC__
+#  pragma GCC diagnostic ignored "-Wlong-long"
+# endif
+extern "C" {
+#endif
+
+#define crypto_secretstream_xchacha20poly1305_ABYTES \
+    (1U + crypto_aead_xchacha20poly1305_ietf_ABYTES)
+SODIUM_EXPORT
+size_t crypto_secretstream_xchacha20poly1305_abytes(void);
+
+#define crypto_secretstream_xchacha20poly1305_HEADERBYTES \
+    crypto_aead_xchacha20poly1305_ietf_NPUBBYTES
+SODIUM_EXPORT
+size_t crypto_secretstream_xchacha20poly1305_headerbytes(void);
+
+#define crypto_secretstream_xchacha20poly1305_KEYBYTES \
+    crypto_aead_xchacha20poly1305_ietf_KEYBYTES
+SODIUM_EXPORT
+size_t crypto_secretstream_xchacha20poly1305_keybytes(void);
+
+#define crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX \
+    SODIUM_MIN(SODIUM_SIZE_MAX - crypto_secretstream_xchacha20poly1305_ABYTES, \
+              (64ULL * ((1ULL << 32) - 2ULL)))
+SODIUM_EXPORT
+size_t crypto_secretstream_xchacha20poly1305_messagebytes_max(void);
+
+#define crypto_secretstream_xchacha20poly1305_TAG_MESSAGE 0x00
+SODIUM_EXPORT
+unsigned char crypto_secretstream_xchacha20poly1305_tag_message(void);
+
+#define crypto_secretstream_xchacha20poly1305_TAG_PUSH    0x01
+SODIUM_EXPORT
+unsigned char crypto_secretstream_xchacha20poly1305_tag_push(void);
+
+#define crypto_secretstream_xchacha20poly1305_TAG_REKEY   0x02
+SODIUM_EXPORT
+unsigned char crypto_secretstream_xchacha20poly1305_tag_rekey(void);
+
+#define crypto_secretstream_xchacha20poly1305_TAG_FINAL \
+    (crypto_secretstream_xchacha20poly1305_TAG_PUSH | \
+     crypto_secretstream_xchacha20poly1305_TAG_REKEY)
+SODIUM_EXPORT
+unsigned char crypto_secretstream_xchacha20poly1305_tag_final(void);
+
+typedef struct crypto_secretstream_xchacha20poly1305_state {
+    unsigned char k[crypto_stream_chacha20_ietf_KEYBYTES];
+    unsigned char nonce[crypto_stream_chacha20_ietf_NONCEBYTES];
+    unsigned char _pad[8];
+} crypto_secretstream_xchacha20poly1305_state;
+
+SODIUM_EXPORT
+size_t crypto_secretstream_xchacha20poly1305_statebytes(void);
+
+SODIUM_EXPORT
+void crypto_secretstream_xchacha20poly1305_keygen
+   (unsigned char k[crypto_secretstream_xchacha20poly1305_KEYBYTES])
+            __attribute__ ((nonnull));
+
+SODIUM_EXPORT
+int crypto_secretstream_xchacha20poly1305_init_push
+   (crypto_secretstream_xchacha20poly1305_state *state,
+    unsigned char header[crypto_secretstream_xchacha20poly1305_HEADERBYTES],
+    const unsigned char k[crypto_secretstream_xchacha20poly1305_KEYBYTES])
+            __attribute__ ((nonnull));
+
+SODIUM_EXPORT
+int crypto_secretstream_xchacha20poly1305_push
+   (crypto_secretstream_xchacha20poly1305_state *state,
+    unsigned char *c, unsigned long long *clen_p,
+    const unsigned char *m, unsigned long long mlen,
+    const unsigned char *ad, unsigned long long adlen, unsigned char tag)
+            __attribute__ ((nonnull(1)));
+
+SODIUM_EXPORT
+int crypto_secretstream_xchacha20poly1305_init_pull
+   (crypto_secretstream_xchacha20poly1305_state *state,
+    const unsigned char header[crypto_secretstream_xchacha20poly1305_HEADERBYTES],
+    const unsigned char k[crypto_secretstream_xchacha20poly1305_KEYBYTES])
+            __attribute__ ((nonnull));
+
+SODIUM_EXPORT
+int crypto_secretstream_xchacha20poly1305_pull
+   (crypto_secretstream_xchacha20poly1305_state *state,
+    unsigned char *m, unsigned long long *mlen_p, unsigned char *tag_p,
+    const unsigned char *c, unsigned long long clen,
+    const unsigned char *ad, unsigned long long adlen)
+            __attribute__ ((nonnull(1)));
+
+SODIUM_EXPORT
+void crypto_secretstream_xchacha20poly1305_rekey
+    (crypto_secretstream_xchacha20poly1305_state *state);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif