Support argon2id password hash algo (#637)

* Support argon2id password hash algo

* CI install argon2 deps

* Go support argonid algo

* RPC add pwd_hash_algo and pwd_hash_params

* Support password hash algo

* Don't set magic when pwd_hash is set

* Fix ci error

---------

Co-authored-by: 杨赫然 <heran.yang@seafile.com>

common/password-hash.h

@@ -0,0 +1,23 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+#ifndef _PASSWORD_HASH_H
+#define _PASSWORD_HASH_H
+
+#define PWD_HASH_PDKDF2 "pbkdf2_sha256"
+#define PWD_HASH_ARGON2ID "argon2id"
+
+typedef struct _PwdHashParams {
+    char *algo;
+    char *params_str;
+} PwdHashParams;
+
+void
+ parse_pwd_hash_params (const char *algo, const char *params_str, PwdHashParams *params);
+
+int
+pwd_hash_derive_key (const char *data_in, int in_len,
+                     const char *repo_salt,
+                     const char *algo, const char *params_str,
+                     unsigned char *key);
+
+#endif