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authorFlorian Dold <florian.dold@gmail.com>2013-12-10 11:14:22 +0000
committerFlorian Dold <florian.dold@gmail.com>2013-12-10 11:14:22 +0000
commitf3a98e004caf91688887a01b5fe2ad3f11813238 (patch)
tree74fc500c7771e38e6cc2f71d18953cdf210a5f9f /src/util/gnunet-ecc.c
parent119237806b48c9220abc1b96b860bb8f7af03417 (diff)
downloadgnunet-f3a98e004caf91688887a01b5fe2ad3f11813238.tar.gz
gnunet-f3a98e004caf91688887a01b5fe2ad3f11813238.zip
- key generation for secretsharing
- gnunet-ecc -E also prints hex
Diffstat (limited to 'src/util/gnunet-ecc.c')
-rw-r--r--src/util/gnunet-ecc.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/util/gnunet-ecc.c b/src/util/gnunet-ecc.c
index d4e0f2387..4af9f084d 100644
--- a/src/util/gnunet-ecc.c
+++ b/src/util/gnunet-ecc.c
@@ -113,6 +113,19 @@ create_keys (const char *fn)
113 113
114 114
115static void 115static void
116print_hex (char *msg, void *buf, size_t size)
117{
118 size_t i;
119 printf ("%s: ", msg);
120 for (i = 0; i < size; i++)
121 {
122 printf ("%02hhx", ((char *)buf)[i]);
123 }
124 printf ("\n");
125}
126
127
128static void
116print_examples_ecdh () 129print_examples_ecdh ()
117{ 130{
118 struct GNUNET_CRYPTO_EcdhePrivateKey *dh_priv1; 131 struct GNUNET_CRYPTO_EcdhePrivateKey *dh_priv1;
@@ -132,14 +145,18 @@ print_examples_ecdh ()
132 GNUNET_assert (NULL != GNUNET_STRINGS_data_to_string (dh_priv1, 32, buf, 128)); 145 GNUNET_assert (NULL != GNUNET_STRINGS_data_to_string (dh_priv1, 32, buf, 128));
133 printf ("ECDHE key 1:\n"); 146 printf ("ECDHE key 1:\n");
134 printf ("private: %s\n", buf); 147 printf ("private: %s\n", buf);
148 print_hex ("private(hex)", dh_priv1, sizeof *dh_priv1);
135 GNUNET_assert (NULL != GNUNET_STRINGS_data_to_string (dh_pub1, 32, buf, 128)); 149 GNUNET_assert (NULL != GNUNET_STRINGS_data_to_string (dh_pub1, 32, buf, 128));
136 printf ("public: %s\n", buf); 150 printf ("public: %s\n", buf);
151 print_hex ("public(hex)", dh_pub1, sizeof *dh_pub1);
137 152
138 GNUNET_assert (NULL != GNUNET_STRINGS_data_to_string (dh_priv2, 32, buf, 128)); 153 GNUNET_assert (NULL != GNUNET_STRINGS_data_to_string (dh_priv2, 32, buf, 128));
139 printf ("ECDHE key 2:\n"); 154 printf ("ECDHE key 2:\n");
140 printf ("private: %s\n", buf); 155 printf ("private: %s\n", buf);
156 print_hex ("private(hex)", dh_priv2, sizeof *dh_priv2);
141 GNUNET_assert (NULL != GNUNET_STRINGS_data_to_string (dh_pub2, 32, buf, 128)); 157 GNUNET_assert (NULL != GNUNET_STRINGS_data_to_string (dh_pub2, 32, buf, 128));
142 printf ("public: %s\n", buf); 158 printf ("public: %s\n", buf);
159 print_hex ("public(hex)", dh_pub2, sizeof *dh_pub2);
143 160
144 GNUNET_assert (GNUNET_OK == GNUNET_CRYPTO_ecc_ecdh (dh_priv1, dh_pub2, &hash)); 161 GNUNET_assert (GNUNET_OK == GNUNET_CRYPTO_ecc_ecdh (dh_priv1, dh_pub2, &hash));
145 GNUNET_assert (NULL != GNUNET_STRINGS_data_to_string (&hash, 64, buf, 128)); 162 GNUNET_assert (NULL != GNUNET_STRINGS_data_to_string (&hash, 64, buf, 128));