--- a/libtommath/tommath_superclass.h	Wed Feb 28 22:11:39 2018 +0800
+++ b/libtommath/tommath_superclass.h	Thu Oct 15 19:55:15 2020 +0800
@@ -1,10 +1,16 @@
+/* LibTomMath, multiple-precision integer library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
+
 /* super class file for PK algos */
 
 /* default ... include all MPI */
+#ifndef LTM_NOTHING
 #define LTM_ALL
+#endif
 
 /* RSA only (does not support DH/DSA/ECC) */
 /* #define SC_RSA_1 */
+/* #define SC_RSA_1_WITH_TESTS */
 
 /* For reference.... On an Athlon64 optimizing for speed...
 
@@ -12,65 +18,93 @@
 
 */
 
-/* Works for RSA only, mpi.o is 68KiB */
-#ifdef SC_RSA_1
-   #define BN_MP_SHRINK_C
-   #define BN_MP_LCM_C
-   #define BN_MP_PRIME_RANDOM_EX_C
-   #define BN_MP_INVMOD_C
-   #define BN_MP_GCD_C
-   #define BN_MP_MOD_C
-   #define BN_MP_MULMOD_C
-   #define BN_MP_ADDMOD_C
-   #define BN_MP_EXPTMOD_C
-   #define BN_MP_SET_INT_C
-   #define BN_MP_INIT_MULTI_C
-   #define BN_MP_CLEAR_MULTI_C
-   #define BN_MP_UNSIGNED_BIN_SIZE_C
-   #define BN_MP_TO_UNSIGNED_BIN_C
-   #define BN_MP_MOD_D_C
-   #define BN_MP_PRIME_RABIN_MILLER_TRIALS_C
-   #define BN_REVERSE_C
-   #define BN_PRIME_TAB_C
-
-   /* other modifiers */
-   #define BN_MP_DIV_SMALL                    /* Slower division, not critical */
-
-   /* here we are on the last pass so we turn things off.  The functions classes are still there
-    * but we remove them specifically from the build.  This also invokes tweaks in functions
-    * like removing support for even moduli, etc...
-    */
-#ifdef LTM_LAST
-   #undef  BN_MP_TOOM_MUL_C
-   #undef  BN_MP_TOOM_SQR_C
-   #undef  BN_MP_KARATSUBA_MUL_C
-   #undef  BN_MP_KARATSUBA_SQR_C
-   #undef  BN_MP_REDUCE_C
-   #undef  BN_MP_REDUCE_SETUP_C
-   #undef  BN_MP_DR_IS_MODULUS_C
-   #undef  BN_MP_DR_SETUP_C
-   #undef  BN_MP_DR_REDUCE_C
-   #undef  BN_MP_REDUCE_IS_2K_C
-   #undef  BN_MP_REDUCE_2K_SETUP_C
-   #undef  BN_MP_REDUCE_2K_C
-   #undef  BN_S_MP_EXPTMOD_C
-   #undef  BN_MP_DIV_3_C
-   #undef  BN_S_MP_MUL_HIGH_DIGS_C
-   #undef  BN_FAST_S_MP_MUL_HIGH_DIGS_C
-   #undef  BN_FAST_MP_INVMOD_C
-
-   /* To safely undefine these you have to make sure your RSA key won't exceed the Comba threshold
-    * which is roughly 255 digits [7140 bits for 32-bit machines, 15300 bits for 64-bit machines] 
-    * which means roughly speaking you can handle upto 2536-bit RSA keys with these defined without
-    * trouble.  
-    */
-   #undef  BN_S_MP_MUL_DIGS_C
-   #undef  BN_S_MP_SQR_C
-   #undef  BN_MP_MONTGOMERY_REDUCE_C
+#ifdef SC_RSA_1_WITH_TESTS
+#   define BN_MP_ERROR_TO_STRING_C
+#   define BN_MP_FREAD_C
+#   define BN_MP_FWRITE_C
+#   define BN_MP_INCR_C
+#   define BN_MP_ISEVEN_C
+#   define BN_MP_ISODD_C
+#   define BN_MP_NEG_C
+#   define BN_MP_PRIME_FROBENIUS_UNDERWOOD_C
+#   define BN_MP_RADIX_SIZE_C
+#   define BN_MP_RAND_C
+#   define BN_MP_REDUCE_C
+#   define BN_MP_REDUCE_2K_L_C
+#   define BN_MP_FROM_SBIN_C
+#   define BN_MP_ROOT_U32_C
+#   define BN_MP_SET_L_C
+#   define BN_MP_SET_UL_C
+#   define BN_MP_SBIN_SIZE_C
+#   define BN_MP_TO_RADIX_C
+#   define BN_MP_TO_SBIN_C
+#   define BN_S_MP_RAND_JENKINS_C
+#   define BN_S_MP_RAND_PLATFORM_C
 #endif
 
-#endif
+/* Works for RSA only, mpi.o is 68KiB */
+#if defined(SC_RSA_1) || defined (SC_RSA_1_WITH_TESTS)
+#   define BN_CUTOFFS_C
+#   define BN_MP_ADDMOD_C
+#   define BN_MP_CLEAR_MULTI_C
+#   define BN_MP_EXPTMOD_C
+#   define BN_MP_GCD_C
+#   define BN_MP_INIT_MULTI_C
+#   define BN_MP_INVMOD_C
+#   define BN_MP_LCM_C
+#   define BN_MP_MOD_C
+#   define BN_MP_MOD_D_C
+#   define BN_MP_MULMOD_C
+#   define BN_MP_PRIME_IS_PRIME_C
+#   define BN_MP_PRIME_RABIN_MILLER_TRIALS_C
+#   define BN_MP_PRIME_RAND_C
+#   define BN_MP_RADIX_SMAP_C
+#   define BN_MP_SET_INT_C
+#   define BN_MP_SHRINK_C
+#   define BN_MP_TO_UNSIGNED_BIN_C
+#   define BN_MP_UNSIGNED_BIN_SIZE_C
+#   define BN_PRIME_TAB_C
+#   define BN_S_MP_REVERSE_C
+
+/* other modifiers */
+#   define BN_MP_DIV_SMALL                    /* Slower division, not critical */
+
 
-/* ref:         $Format:%D$ */
-/* git commit:  $Format:%H$ */
-/* commit time: $Format:%ai$ */
+/* here we are on the last pass so we turn things off.  The functions classes are still there
+ * but we remove them specifically from the build.  This also invokes tweaks in functions
+ * like removing support for even moduli, etc...
+ */
+#   ifdef LTM_LAST
+#      undef BN_MP_DR_IS_MODULUS_C
+#      undef BN_MP_DR_SETUP_C
+#      undef BN_MP_DR_REDUCE_C
+#      undef BN_MP_DIV_3_C
+#      undef BN_MP_REDUCE_2K_SETUP_C
+#      undef BN_MP_REDUCE_2K_C
+#      undef BN_MP_REDUCE_IS_2K_C
+#      undef BN_MP_REDUCE_SETUP_C
+#      undef BN_S_MP_BALANCE_MUL_C
+#      undef BN_S_MP_EXPTMOD_C
+#      undef BN_S_MP_INVMOD_FAST_C
+#      undef BN_S_MP_KARATSUBA_MUL_C
+#      undef BN_S_MP_KARATSUBA_SQR_C
+#      undef BN_S_MP_MUL_HIGH_DIGS_C
+#      undef BN_S_MP_MUL_HIGH_DIGS_FAST_C
+#      undef BN_S_MP_TOOM_MUL_C
+#      undef BN_S_MP_TOOM_SQR_C
+
+#      ifndef SC_RSA_1_WITH_TESTS
+#         undef BN_MP_REDUCE_C
+#      endif
+
+/* To safely undefine these you have to make sure your RSA key won't exceed the Comba threshold
+ * which is roughly 255 digits [7140 bits for 32-bit machines, 15300 bits for 64-bit machines]
+ * which means roughly speaking you can handle upto 2536-bit RSA keys with these defined without
+ * trouble.
+ */
+#      undef BN_MP_MONTGOMERY_REDUCE_C
+#      undef BN_S_MP_MUL_DIGS_C
+#      undef BN_S_MP_SQR_C
+#   endif
+
+#endif