1 files changed, 71 insertions, 0 deletions
diff --git a/src/librekey/g23_sexp.hpp b/src/librekey/g23_sexp.hpp
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+++ b/src/librekey/g23_sexp.hpp
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+/*
+ * Copyright (c) 2021, [Ribose Inc](https://www.ribose.com).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE RIBOSE, INC. AND CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef RNP_G23_SEXP_HPP
+#define RNP_G23_SEXP_HPP
+
+#include "sexp/sexp.h"
+#include "sexp/ext-key-format.h"
+
+#define SXP_MAX_DEPTH 30
+
+class gnupg_sexp_t;
+typedef std::shared_ptr<gnupg_sexp_t> p_gnupg_sexp;
+
+class gnupg_sexp_t : public sexp::sexp_list_t {
+    /* write gnupg_sexp_t contents, adding padding, for the further encryption */
+    rnp::secure_vector<uint8_t> write_padded(size_t padblock) const;
+
+  public:
+    void
+    add(const std::string &str)
+    {
+        push_back(std::shared_ptr<sexp::sexp_string_t>(new sexp::sexp_string_t(str)));
+    };
+    void
+    add(const uint8_t *data, size_t size)
+    {
+        push_back(std::shared_ptr<sexp::sexp_string_t>(new sexp::sexp_string_t(data, size)));
+    };
+    void         add(unsigned u);
+    p_gnupg_sexp add_sub();
+    void         add_mpi(const std::string &name, const pgp_mpi_t &val);
+    void         add_curve(const std::string &name, const pgp_ec_key_t &key);
+    void         add_pubkey(const pgp_key_pkt_t &key);
+    void         add_seckey(const pgp_key_pkt_t &key);
+    void         add_protected_seckey(pgp_key_pkt_t &       seckey,
+                                      const std::string &   password,
+                                      rnp::SecurityContext &ctx);
+    bool         parse(const char *r_bytes, size_t r_length, size_t depth = 1);
+    bool         write(pgp_dest_t &dst) const noexcept;
+};
+
+class gnupg_extended_private_key_t : public ext_key_format::extended_private_key_t {
+  public:
+    bool parse(const char *r_bytes, size_t r_length, size_t depth = 1);
+};
+
+#endif