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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
commit8daa83a594a2e98f39d764422bfbdbc62c9efd44 (patch)
tree4099e8021376c7d8c05bdf8503093d80e9c7bad0 /third_party/heimdal/lib/hcrypto/libtommath/tommath_superclass.h
parentInitial commit. (diff)
downloadsamba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.tar.xz
samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.zip
Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/heimdal/lib/hcrypto/libtommath/tommath_superclass.h')
-rw-r--r--third_party/heimdal/lib/hcrypto/libtommath/tommath_superclass.h110
1 files changed, 110 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/hcrypto/libtommath/tommath_superclass.h b/third_party/heimdal/lib/hcrypto/libtommath/tommath_superclass.h
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+/* 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...
+
+ LTM's mpi.o with all functions [striped] is 142KiB in size.
+
+*/
+
+#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
+
+/* 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 */
+
+
+/* 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