Foundations(iOS Sourceset): Provide implementation for LibSodiumInstance.ios.kt, using the native library(shipped in project). Generate cinterop definition file with custom Gradle task. Defines bindings for use in actual code(may be streamlined later). Adds NIP44 tests and makes sure they pass.

2026-03-12 15:13:32 +01:00
parent 548ce0a69d
commit 8f02ea0cf6
83 changed files with 6649 additions and 4 deletions
@@ -0,0 +1,106 @@
+#ifndef crypto_stream_chacha20_H
+#define crypto_stream_chacha20_H
+
+/*
+ *  WARNING: This is just a stream cipher. It is NOT authenticated encryption.
+ *  While it provides some protection against eavesdropping, it does NOT
+ *  provide any security against active attacks.
+ *  Unless you know what you're doing, what you are looking for is probably
+ *  the crypto_box functions.
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+#include "export.h"
+
+#ifdef __cplusplus
+# ifdef __GNUC__
+#  pragma GCC diagnostic ignored "-Wlong-long"
+# endif
+extern "C" {
+#endif
+
+#define crypto_stream_chacha20_KEYBYTES 32U
+SODIUM_EXPORT
+size_t crypto_stream_chacha20_keybytes(void);
+
+#define crypto_stream_chacha20_NONCEBYTES 8U
+SODIUM_EXPORT
+size_t crypto_stream_chacha20_noncebytes(void);
+
+#define crypto_stream_chacha20_MESSAGEBYTES_MAX SODIUM_SIZE_MAX
+SODIUM_EXPORT
+size_t crypto_stream_chacha20_messagebytes_max(void);
+
+/* ChaCha20 with a 64-bit nonce and a 64-bit counter, as originally designed */
+
+SODIUM_EXPORT
+int crypto_stream_chacha20(unsigned char *c, unsigned long long clen,
+                           const unsigned char *n, const unsigned char *k)
+            __attribute__ ((nonnull));
+
+SODIUM_EXPORT
+int crypto_stream_chacha20_xor(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_stream_chacha20_xor_ic(unsigned char *c, const unsigned char *m,
+                                  unsigned long long mlen,
+                                  const unsigned char *n, uint64_t ic,
+                                  const unsigned char *k)
+            __attribute__ ((nonnull(1, 4, 6)));
+
+SODIUM_EXPORT
+void crypto_stream_chacha20_keygen(unsigned char k[crypto_stream_chacha20_KEYBYTES])
+            __attribute__ ((nonnull));
+
+/* ChaCha20 with a 96-bit nonce and a 32-bit counter (IETF) */
+
+#define crypto_stream_chacha20_ietf_KEYBYTES 32U
+SODIUM_EXPORT
+size_t crypto_stream_chacha20_ietf_keybytes(void);
+
+#define crypto_stream_chacha20_ietf_NONCEBYTES 12U
+SODIUM_EXPORT
+size_t crypto_stream_chacha20_ietf_noncebytes(void);
+
+#define crypto_stream_chacha20_ietf_MESSAGEBYTES_MAX \
+    SODIUM_MIN(SODIUM_SIZE_MAX, 64ULL * (1ULL << 32))
+SODIUM_EXPORT
+size_t crypto_stream_chacha20_ietf_messagebytes_max(void);
+
+SODIUM_EXPORT
+int crypto_stream_chacha20_ietf(unsigned char *c, unsigned long long clen,
+                                const unsigned char *n, const unsigned char *k)
+            __attribute__ ((nonnull));
+
+SODIUM_EXPORT
+int crypto_stream_chacha20_ietf_xor(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_stream_chacha20_ietf_xor_ic(unsigned char *c, const unsigned char *m,
+                                       unsigned long long mlen,
+                                       const unsigned char *n, uint32_t ic,
+                                       const unsigned char *k)
+            __attribute__ ((nonnull(1, 4, 6)));
+
+SODIUM_EXPORT
+void crypto_stream_chacha20_ietf_keygen(unsigned char k[crypto_stream_chacha20_ietf_KEYBYTES])
+            __attribute__ ((nonnull));
+
+/* Aliases */
+
+#define crypto_stream_chacha20_IETF_KEYBYTES crypto_stream_chacha20_ietf_KEYBYTES
+#define crypto_stream_chacha20_IETF_NONCEBYTES crypto_stream_chacha20_ietf_NONCEBYTES
+#define crypto_stream_chacha20_IETF_MESSAGEBYTES_MAX crypto_stream_chacha20_ietf_MESSAGEBYTES_MAX
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif