+ DSA *dsa;
+ unsigned char seed[20];
+
+ if (verbose)
+ {
+ fprintf(stdout, "Creating 1024 bit DHE parameters ...");
+ fflush(stdout);
+ }
+
+ memcpy(seed, "Random String no. 12", 20);
+ dsa = DSA_generate_parameters(1024, seed, 20, NULL, NULL, 0, NULL);
+ dh = DSA_dup_DH(dsa);
+ DSA_free(dsa);
+ /* important: SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
+ SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
+
+ if (verbose)
+ fprintf(stdout, " done\n");