mpz_fdiv_r_2exp(bn, bn, num_bits); \
} while (0)
#elif CONFIG_GCRYPT
-#define bn_new(bn) bn = gcry_mpi_new(1)
+#define bn_new(bn) \
+ do { \
+ if (!gcry_control(GCRYCTL_INITIALIZATION_FINISHED_P)) { \
+ if (!gcry_check_version("1.5.4")) \
+ return AVERROR(EINVAL); \
+ gcry_control(GCRYCTL_DISABLE_SECMEM, 0); \
+ gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0); \
+ } \
+ bn = gcry_mpi_new(1); \
+ } while (0)
#define bn_free(bn) gcry_mpi_release(bn)
#define bn_set_word(bn, w) gcry_mpi_set_ui(bn, w)
#define bn_cmp(a, b) gcry_mpi_cmp(a, b)