Merge branch 'dev/trizuz/dids' of git+ssh://git.gnunet.org/gnunet into dev/trizuz/dids

3 files changed, 84 insertions, 0 deletions

diff --git a/src/did/.gitignore b/src/did/.gitignore
new file mode 100644
index 000000000..d47f720ff
--- /dev/null
+++ b/src/did/.gitignore
@@ -0,0 +1,2 @@
+test_w3c_ed25519_2020
+gnunet-did
diff --git a/src/did/Makefile.am b/src/did/Makefile.am
index 21f210dd0..3f5e3f34b 100644
--- a/src/did/Makefile.am
+++ b/src/did/Makefile.am
@@ -22,3 +22,16 @@ gnunet_did_LDADD = \
         -ljansson
 
 
+check_PROGRAMS = \
+  test_w3c_ed25519_2020
+
+test_w3c_ed25519_2020_SOURCES = \
+  test_w3c_ed25519_2020.c
+test_w3c_ed25519_2020_LDADD = \
+  $(top_builddir)/src/util/libgnunetutil.la
+
+if ENABLE_TEST_RUN
+TESTS = $(check_PROGRAMS)
+endif
+
+
diff --git a/src/did/test_w3c_ed25519_2020.c b/src/did/test_w3c_ed25519_2020.c
new file mode 100644
index 000000000..e2534e6ab
--- /dev/null
+++ b/src/did/test_w3c_ed25519_2020.c
@@ -0,0 +1,69 @@
+/*
+   This file is part of GNUnet.
+   Copyright (C) 2012-2021 GNUnet e.V.
+
+   GNUnet is free software: you can redistribute it and/or modify it
+   under the terms of the GNU Affero General Public License as published
+   by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   GNUnet is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+     SPDX-License-Identifier: AGPL3.0-or-later
+ */
+
+
+/**
+ * @file src/did/test_w3c_ed25519_2020.c
+ * @brief Testcases for the w3c Ed25519 formats for SSIs https://w3c-ccg.github.io/lds-ed25519-2020
+ * @author Martin Schanzenbach
+ */
+
+#include "platform.h"
+#include "gnunet_crypto_lib.h"
+#include "gnunet_strings_lib.h"
+
+static char test_privkey[32] = {
+  0x9b, 0x93, 0x7b, 0x81, 0x32, 0x2d, 0x81, 0x6c,
+  0xfa, 0xb9, 0xd5, 0xa3, 0xba, 0xac, 0xc9, 0xb2,
+  0xa5, 0xfe, 0xbe, 0x4b, 0x14, 0x9f, 0x12, 0x6b,
+  0x36, 0x30, 0xf9, 0x3a, 0x29, 0x52, 0x70, 0x17
+};
+
+static char *targetPublicKeyMultibase = "u7QEJX5oaWV3edV2CeGhkrQPfpaT71ogyVmNk4rZeE8yeRA";
+
+int
+main ()
+{
+  struct GNUNET_CRYPTO_EddsaPrivateKey privkey;
+  struct GNUNET_CRYPTO_EddsaPublicKey pubkey;
+
+  memcpy (&privkey, test_privkey, sizeof (privkey));
+  GNUNET_CRYPTO_eddsa_key_get_public (&privkey, &pubkey);
+
+  //This is how to convert out pubkeys to W3c Ed25519-2020 multibase (base64url no padding)
+  char *b64;
+  char pkx[34];
+  pkx[0] = 0xed;
+  pkx[1] = 0x01;
+  memcpy (pkx+2, &pubkey, sizeof (pubkey));
+  GNUNET_STRINGS_base64url_encode (pkx,
+                                   sizeof (pkx),
+                                   &b64);
+  printf ("u%s\n%s\n", b64, targetPublicKeyMultibase);
+  // FIXME convert pubkey to target
+  char *res;
+  GNUNET_asprintf (&res, "u%s", b64);
+  GNUNET_assert (0 == strcmp (res,
+                              targetPublicKeyMultibase));
+
+  GNUNET_free (b64);
+  GNUNET_free (res);
+  return 0;
+}