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annotate libtommath/tommath_superclass.h @ 1665:7c17995bcdfb

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Improve address logging on early exit messages (#83) Change 'Early exit' and 'Exit before auth' messages to include the IP address & port as part of the message. This allows log scanning utilities such as 'fail2ban' to obtain the offending IP address as part of the failure event instead of extracting the PID from the message and then scanning the log again for match 'child connection from' messages Signed-off-by: Kevin Darbyshire-Bryant <[email protected]>
author Kevin Darbyshire-Bryant <6500011+ldir-EDB0@users.noreply.github.com>
date Wed, 18 Mar 2020 15:28:56 +0000
parents f52919ffd3b1
children 1051e4eea25a
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1 /* LibTomMath, multiple-precision integer library -- Tom St Denis
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2 *
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3 * LibTomMath is a library that provides multiple-precision
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4 * integer arithmetic as well as number theoretic functionality.
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5 *
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6 * The library was designed directly after the MPI library by
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7 * Michael Fromberger but has been written from scratch with
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8 * additional optimizations in place.
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9 *
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10 * SPDX-License-Identifier: Unlicense
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11 */
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13 /* super class file for PK algos */
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15 /* default ... include all MPI */
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16 #define LTM_ALL
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18 /* RSA only (does not support DH/DSA/ECC) */
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19 /* #define SC_RSA_1 */
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21 /* For reference.... On an Athlon64 optimizing for speed...
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23 LTM's mpi.o with all functions [striped] is 142KiB in size.
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25 */
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27 /* Works for RSA only, mpi.o is 68KiB */
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28 #ifdef SC_RSA_1
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29 # define BN_MP_SHRINK_C
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30 # define BN_MP_LCM_C
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31 # define BN_MP_PRIME_RANDOM_EX_C
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32 # define BN_MP_INVMOD_C
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33 # define BN_MP_GCD_C
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34 # define BN_MP_MOD_C
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35 # define BN_MP_MULMOD_C
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36 # define BN_MP_ADDMOD_C
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37 # define BN_MP_EXPTMOD_C
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38 # define BN_MP_SET_INT_C
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39 # define BN_MP_INIT_MULTI_C
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40 # define BN_MP_CLEAR_MULTI_C
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41 # define BN_MP_UNSIGNED_BIN_SIZE_C
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42 # define BN_MP_TO_UNSIGNED_BIN_C
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43 # define BN_MP_MOD_D_C
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44 # define BN_MP_PRIME_RABIN_MILLER_TRIALS_C
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45 # define BN_REVERSE_C
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46 # define BN_PRIME_TAB_C
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47
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48 /* other modifiers */
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49 # define BN_MP_DIV_SMALL /* Slower division, not critical */
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51 /* here we are on the last pass so we turn things off. The functions classes are still there
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52 * but we remove them specifically from the build. This also invokes tweaks in functions
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53 * like removing support for even moduli, etc...
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54 */
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55 # ifdef LTM_LAST
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56 # undef BN_MP_TOOM_MUL_C
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57 # undef BN_MP_TOOM_SQR_C
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58 # undef BN_MP_KARATSUBA_MUL_C
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59 # undef BN_MP_KARATSUBA_SQR_C
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60 # undef BN_MP_REDUCE_C
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61 # undef BN_MP_REDUCE_SETUP_C
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62 # undef BN_MP_DR_IS_MODULUS_C
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63 # undef BN_MP_DR_SETUP_C
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64 # undef BN_MP_DR_REDUCE_C
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65 # undef BN_MP_REDUCE_IS_2K_C
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66 # undef BN_MP_REDUCE_2K_SETUP_C
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67 # undef BN_MP_REDUCE_2K_C
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68 # undef BN_S_MP_EXPTMOD_C
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69 # undef BN_MP_DIV_3_C
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70 # undef BN_S_MP_MUL_HIGH_DIGS_C
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71 # undef BN_FAST_S_MP_MUL_HIGH_DIGS_C
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72 # undef BN_FAST_MP_INVMOD_C
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74 /* To safely undefine these you have to make sure your RSA key won't exceed the Comba threshold
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75 * which is roughly 255 digits [7140 bits for 32-bit machines, 15300 bits for 64-bit machines]
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76 * which means roughly speaking you can handle upto 2536-bit RSA keys with these defined without
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77 * trouble.
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78 */
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79 # undef BN_S_MP_MUL_DIGS_C
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80 # undef BN_S_MP_SQR_C
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81 # undef BN_MP_MONTGOMERY_REDUCE_C
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82 # endif
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84 #endif
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86 /* ref: HEAD -> master, tag: v1.1.0 */
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87 /* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */
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88 /* commit time: 2019-01-28 20:32:32 +0100 */