Add crypto_pwhash_argon2i_(memlimit|opslimit)_moderate()

Import missing crypto_pwhash_argon2i.h by the way

src/libsodium/crypto_pwhash/argon2/pwhash_argon2i.c

@@ -43,6 +43,18 @@ crypto_pwhash_argon2i_memlimit_interactive(void)
     return crypto_pwhash_argon2i_MEMLIMIT_INTERACTIVE;
 }
 
+size_t
+crypto_pwhash_argon2i_opslimit_moderate(void)
+{
+    return crypto_pwhash_argon2i_OPSLIMIT_MODERATE;
+}
+
+size_t
+crypto_pwhash_argon2i_memlimit_moderate(void)
+{
+    return crypto_pwhash_argon2i_MEMLIMIT_MODERATE;
+}
+
 size_t
 crypto_pwhash_argon2i_opslimit_sensitive(void)
 {

src/libsodium/include/sodium/crypto_pwhash_argon2i.h

@@ -0,0 +1,84 @@
+#ifndef crypto_pwhash_argon2i_H
+#define crypto_pwhash_argon2i_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "export.h"
+
+#ifdef __cplusplus
+# if __GNUC__
+#  pragma GCC diagnostic ignored "-Wlong-long"
+# endif
+extern "C" {
+#endif
+
+#define crypto_pwhash_argon2i_SALTBYTES 16U
+SODIUM_EXPORT
+size_t crypto_pwhash_argon2i_saltbytes(void);
+
+#define crypto_pwhash_argon2i_STRBYTES 116U
+SODIUM_EXPORT
+size_t crypto_pwhash_argon2i_strbytes(void);
+
+#define crypto_pwhash_argon2i_STRPREFIX "$argon2i$"
+SODIUM_EXPORT
+const char *crypto_pwhash_argon2i_strprefix(void);
+
+#define crypto_pwhash_argon2i_OPSLIMIT_INTERACTIVE 4ULL
+SODIUM_EXPORT
+size_t crypto_pwhash_argon2i_opslimit_interactive(void);
+
+#define crypto_pwhash_argon2i_MEMLIMIT_INTERACTIVE 16777216ULL
+SODIUM_EXPORT
+size_t crypto_pwhash_argon2i_memlimit_interactive(void);
+
+#define crypto_pwhash_argon2i_OPSLIMIT_MODERATE 10ULL
+SODIUM_EXPORT
+size_t crypto_pwhash_argon2i_opslimit_moderate(void);
+
+#define crypto_pwhash_argon2i_MEMLIMIT_MODERATE 134217728ULL
+SODIUM_EXPORT
+size_t crypto_pwhash_argon2i_memlimit_moderate(void);
+
+#define crypto_pwhash_argon2i_OPSLIMIT_SENSITIVE 32ULL
+SODIUM_EXPORT
+size_t crypto_pwhash_argon2i_opslimit_sensitive(void);
+
+#define crypto_pwhash_argon2i_MEMLIMIT_SENSITIVE 536870912ULL
+SODIUM_EXPORT
+size_t crypto_pwhash_argon2i_memlimit_sensitive(void);
+
+SODIUM_EXPORT
+int crypto_pwhash_argon2i(unsigned char * const out,
+                          unsigned long long outlen,
+                          const char * const passwd,
+                          unsigned long long passwdlen,
+                          const unsigned char * const salt,
+                          unsigned long long opslimit,
+                          size_t memlimit)
+            __attribute__ ((warn_unused_result));
+
+SODIUM_EXPORT
+int crypto_pwhash_argon2i_str(char out[crypto_pwhash_argon2i_STRBYTES],
+                              const char * const passwd,
+                              unsigned long long passwdlen,
+                              unsigned long long opslimit,
+                              size_t memlimit)
+            __attribute__ ((warn_unused_result));
+
+SODIUM_EXPORT
+int crypto_pwhash_argon2i_str_verify(const char str[crypto_pwhash_argon2i_STRBYTES],
+                                     const char * const passwd,
+                                     unsigned long long passwdlen)
+            __attribute__ ((warn_unused_result));
+
+/* ------------------------------------------------------------------------- */
+
+int  _crypto_pwhash_argon2i_pick_best_implementation(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif