+ if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0)
+ {
+ BIO_puts(bio_err, "Error generating key\n");
+ ERR_print_errors(bio_err);
+ goto mac_end;
+ }
+ r = 1;
+ mac_end:
+ if (mac_ctx)
+ EVP_PKEY_CTX_free(mac_ctx);
+ if (r == 0)
+ goto end;
+ }
+
+ if (hmac_key)
+ {
+ sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, e,
+ (unsigned char *)hmac_key, -1);
+ if (!sigkey)
+ goto end;
+ }
+
+ if (sigkey)
+ {
+ EVP_MD_CTX *mctx = NULL;
+ EVP_PKEY_CTX *pctx = NULL;
+ int r;
+ if (!BIO_get_md_ctx(bmd, &mctx))
+ {
+ BIO_printf(bio_err, "Error getting context\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ if (do_verify)
+ r = EVP_DigestVerifyInit(mctx, &pctx, md, e, sigkey);