[gnunet] 02/02: gnunet-crypto-tvg: edx25519 test vectors

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dold pushed a commit to branch master
in repository gnunet.

commit 132e09b6e76920007e37eedb8dd05ab2f51e239d
Author: Florian Dold <florian@dold.me>
AuthorDate: Tue Apr 26 17:14:00 2022 +0200

    gnunet-crypto-tvg: edx25519 test vectors
---
 src/util/gnunet-crypto-tvg.c | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/src/util/gnunet-crypto-tvg.c b/src/util/gnunet-crypto-tvg.c
index 0071f3e90..76c379784 100644
--- a/src/util/gnunet-crypto-tvg.c
+++ b/src/util/gnunet-crypto-tvg.c
@@ -1200,6 +1200,45 @@ output_vectors ()
          sizeof (struct GNUNET_HashCode));
   }
 
+  {
+    json_t *vec = vec_for (vecs, "edx25519_derive");
+    struct GNUNET_CRYPTO_Edx25519PrivateKey priv1_edx;
+    struct GNUNET_CRYPTO_Edx25519PublicKey pub1_edx;
+    struct GNUNET_CRYPTO_Edx25519PrivateKey priv2_edx;
+    struct GNUNET_CRYPTO_Edx25519PublicKey pub2_edx;
+    struct GNUNET_HashCode seed;
+
+    GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
+                                &seed,
+                                sizeof (struct GNUNET_HashCode));
+    GNUNET_CRYPTO_edx25519_key_create (&priv1_edx);
+    GNUNET_CRYPTO_edx25519_key_get_public (&priv1_edx, &pub1_edx);
+    GNUNET_CRYPTO_edx25519_private_key_derive (&priv1_edx,
+                                               &seed,
+                                               sizeof (seed),
+                                               &priv2_edx);
+    GNUNET_CRYPTO_edx25519_public_key_derive (&pub1_edx,
+                                              &seed,
+                                              sizeof (seed),
+                                              &pub2_edx);
+
+    d2j (vec, "priv1_edx",
+         &priv1_edx,
+         sizeof (struct GNUNET_CRYPTO_Edx25519PrivateKey));
+    d2j (vec, "pub1_edx",
+         &pub1_edx,
+         sizeof (struct GNUNET_CRYPTO_Edx25519PublicKey));
+    d2j (vec, "seed",
+         &seed,
+         sizeof (struct GNUNET_HashCode));
+    d2j (vec, "priv2_edx",
+         &priv2_edx,
+         sizeof (struct GNUNET_CRYPTO_Edx25519PrivateKey));
+    d2j (vec, "pub2_edx",
+         &pub2_edx,
+         sizeof (struct GNUNET_CRYPTO_Edx25519PublicKey));
+  }
+
   {
     json_t *vec = vec_for (vecs, "rsa_blind_signing");
 

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