src/usr.bin/ssh/ssh-dss.c - diff

Return to ssh-dss.c CVS log

Up to [local] / src / usr.bin / ssh

Diff for /src/usr.bin/ssh/ssh-dss.c between version 1.39 and 1.40

-version 1.39, 2020/02/26 13:40:09
+version 1.40, 2022/10/28 00:35:40
 Line 40
 Line 40
 Line 40
  #define INTBLOB_LEN     20
  #define SIGBLOB_LEN     (2*INTBLOB_LEN)
+ static u_int
+ ssh_dss_size(const struct sshkey *key)
+ {
+         const BIGNUM *dsa_p;
+         if (key->dsa == NULL)
+                 return 0;
+         DSA_get0_pqg(key->dsa, &dsa_p, NULL, NULL);
+         return BN_num_bits(dsa_p);
+ }
+ static int
+ ssh_dss_alloc(struct sshkey *k)
+ {
+         if ((k->dsa = DSA_new()) == NULL)
+                 return SSH_ERR_ALLOC_FAIL;
+         return 0;
+ }
+ static void
+ ssh_dss_cleanup(struct sshkey *k)
+ {
+         DSA_free(k->dsa);
+         k->dsa = NULL;
+ }
  int
  ssh_dss_sign(const struct sshkey *key, u_char **sigp, size_t *lenp,
      const u_char *data, size_t datalen, u_int compat)
-Line 196
+Line 222
 Line 196
 Line 222
                  freezero(sigblob, len);
          return ret;
  }
+ static const struct sshkey_impl_funcs sshkey_dss_funcs = {
+         /* .size = */           ssh_dss_size,
+         /* .alloc = */          ssh_dss_alloc,
+         /* .cleanup = */        ssh_dss_cleanup,
+ };
+ const struct sshkey_impl sshkey_dss_impl = {
+         /* .name = */           "ssh-dss",
+         /* .shortname = */      "DSA",
+         /* .sigalg = */         NULL,
+         /* .type = */           KEY_DSA,
+         /* .nid = */            0,
+         /* .cert = */           0,
+         /* .sigonly = */        0,
+         /* .keybits = */        0,
+         /* .funcs = */          &sshkey_dss_funcs,
+ };
+ const struct sshkey_impl sshkey_dsa_cert_impl = {
+         /* .name = */           "ssh-dss-cert-v01@openssh.com",
+         /* .shortname = */      "DSA-CERT",
+         /* .sigalg = */         NULL,
+         /* .type = */           KEY_DSA_CERT,
+         /* .nid = */            0,
+         /* .cert = */           1,
+         /* .sigonly = */        0,
+         /* .keybits = */        0,
+         /* .funcs = */          &sshkey_dss_funcs,
+ };