Mercurial > dropbear
annotate libtommath/changes.txt @ 1737:8b27de2c92ee
Change secure.ucc.asn.au/hg to hg.ucc.asn.au
| author | Matt Johnston <matt@ucc.asn.au> |
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| date | Tue, 28 Jul 2020 18:53:48 +0800 |
| parents | 1051e4eea25a |
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| rev | line source |
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1 XXX XXth, 2019 |
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2 v1.2.0 |
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3 -- A huge refactoring of the library happened - renaming, |
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4 deprecating and replacing existing functions by improved API's. |
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5 |
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6 All deprecated functions, macros and symbols are only marked as such |
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7 so this version is still API and ABI compatible to v1.x. |
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8 |
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9 -- Daniel Mendler was pushing for those changes and contributing a load of patches, |
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10 refactorings, code reviews and whatnotelse. |
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11 -- Christoph Zurnieden re-worked internals of the library, improved the performance, |
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12 did code reviews and wrote documentation. |
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13 -- Francois Perrad did some refactoring and took again care of linting the sources and |
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14 provided all fixes. |
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15 -- Jan Nijtmans, Karel Miko and Joachim Breitner contributed various patches. |
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16 |
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17 -- Private symbols can now be hidden for the shared library builds, disabled by default. |
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18 -- All API's follow a single code style, are prefixed the same etc. |
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19 -- Unified, safer and improved API's |
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20 -- Less magic numbers - return values (where appropriate) and most flags are now enums, |
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21 this was implemented in a backwards compatible way where return values were int. |
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22 -- API's with return values are now by default marked as "warn on unsused result", this |
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23 can be disabled if required (which will most likely hide bugs), c.f. MP_WUR in tommath.h |
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24 -- Provide a whole set of setters&getters for different primitive types (long, uint32_t, etc.) |
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25 -- All those primitive setters are now optimized. |
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26 -- It's possible to automatically tune the cutoff values for Karatsuba&Toom-Cook |
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27 -- The custom allocators which were formerly known as XMALLOC(), XFREE() etc. are now available |
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28 as MP_MALLOC(), MP_REALLOC(), MP_CALLOC() and MP_FREE(). MP_REALLOC() and MP_FREE() now also |
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29 provide the allocated size to ease the usage of simple allocators without tracking. |
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30 -- Building is now also possible with MSVC 2015, 2017 and 2019 (use makefile.msvc) |
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31 -- Added mp_decr() and mp_incr() |
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32 -- Added mp_log_u32() |
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33 -- Improved prime-checking |
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34 -- Improved Toom-Cook multiplication |
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35 -- Removed the LTM book (`make docs` now builds the user manual) |
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36 |
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37 |
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38 Jan 28th, 2019 |
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39 v1.1.0 |
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40 -- Christoph Zurnieden contributed FIPS 186.4 compliant |
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41 prime-checking (PR #113), several other fixes and a load of documentation |
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42 -- Daniel Mendler provided two's-complement functions (PR #124) |
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43 and mp_{set,get}_double() (PR #123) |
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44 -- Francois Perrad took care of linting the sources, provided all fixes and |
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45 a astylerc to auto-format the sources. |
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46 -- A bunch of patches by Kevin B Kenny have been back-ported from TCL |
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47 -- Jan Nijtmans provided the patches to `const`ify all API |
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48 function arguments (also from TCL) |
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49 -- mp_rand() has now several native random provider implementations |
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50 and doesn't rely on `rand()` anymore |
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51 -- Karel Miko provided fixes when building for MS Windows |
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52 and re-worked the makefile generating process |
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53 -- The entire environment and build logic has been extended and improved |
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54 regarding auto-detection of platforms, libtool and a lot more |
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55 -- Prevent some potential BOF cases |
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56 -- Improved/fixed mp_lshd() and mp_invmod() |
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57 -- A load more bugs were fixed by various contributors |
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58 |
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59 |
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60 Aug 29th, 2017 |
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61 v1.0.1 |
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62 -- Dmitry Kovalenko provided fixes to mp_add_d() and mp_init_copy() |
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63 -- Matt Johnston contributed some improvements to mp_div_2d(), |
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64 mp_exptmod_fast(), mp_mod() and mp_mulmod() |
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65 -- Julien Nabet provided a fix to the error handling in mp_init_multi() |
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66 -- Ben Gardner provided a fix regarding usage of reserved keywords |
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67 -- Fixed mp_rand() to fill the correct number of bits |
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68 -- Fixed mp_invmod() |
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69 -- Use the same 64-bit detection code as in libtomcrypt |
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70 -- Correct usage of DESTDIR, PREFIX, etc. when installing the library |
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71 -- Francois Perrad updated all the perl scripts to an actual perl version |
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72 |
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73 |
| 1436 | 74 Feb 5th, 2016 |
| 75 v1.0 | |
| 76 -- Bump to 1.0 | |
| 77 -- Dirkjan Bussink provided a faster version of mp_expt_d() | |
| 78 -- Moritz Lenz contributed a fix to mp_mod() | |
| 79 and provided mp_get_long() and mp_set_long() | |
| 80 -- Fixed bugs in mp_read_radix(), mp_radix_size | |
| 81 Thanks to shameister, Gerhard R, | |
| 82 -- Christopher Brown provided mp_export() and mp_import() | |
| 83 -- Improvements in the code of mp_init_copy() | |
| 84 Thanks to ramkumarkoppu, | |
| 85 -- lomereiter provided mp_balance_mul() | |
| 86 -- Alexander Boström from the heimdal project contributed patches to | |
| 87 mp_prime_next_prime() and mp_invmod() and added a mp_isneg() macro | |
| 88 -- Fix build issues for Linux x32 ABI | |
| 89 -- Added mp_get_long_long() and mp_set_long_long() | |
| 90 -- Carlin provided a patch to use arc4random() instead of rand() | |
| 91 on platforms where it is supported | |
| 92 -- Karel Miko provided mp_sqrtmod_prime() | |
| 93 | |
| 94 | |
| 95 July 23rd, 2010 | |
| 96 v0.42.0 | |
| 97 -- Fix for mp_prime_next_prime() bug when checking generated prime | |
| 98 -- allow mp_shrink to shrink initialized, but empty MPI's | |
| 99 -- Added project and solution files for Visual Studio 2005 and Visual Studio 2008. | |
| 100 | |
| 101 March 10th, 2007 | |
| 102 v0.41 -- Wolfgang Ehrhardt suggested a quick fix to mp_div_d() which makes the detection of powers of two quicker. | |
| 103 -- [CRI] Added libtommath.dsp for Visual C++ users. | |
| 104 | |
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105 December 24th, 2006 |
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106 v0.40 -- Updated makefile to properly support LIBNAME |
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107 -- Fixed bug in fast_s_mp_mul_high_digs() which overflowed (line 83), thanks Valgrind! |
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108 |
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109 April 4th, 2006 |
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110 v0.39 -- Jim Wigginton pointed out my Montgomery examples in figures 6.4 and 6.6 were off by one, k should be 9 not 8 |
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111 -- Bruce Guenter suggested I use --tag=CC for libtool builds where the compiler may think it's C++. |
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112 -- "mm" from sci.crypt pointed out that my mp_gcd was sub-optimal (I also updated and corrected the book) |
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113 -- updated some of the @@ tags in tommath.src to reflect source changes. |
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114 -- updated email and url info in all source files |
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115 |
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116 Jan 26th, 2006 |
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117 v0.38 -- broken makefile.shared fixed |
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118 -- removed some carry stores that were not required [updated text] |
| 1436 | 119 |
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120 November 18th, 2005 |
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121 v0.37 -- [Don Porter] reported on a TCL list [HEY SEND ME BUGREPORTS ALREADY!!!] that mp_add_d() would compute -0 with some inputs. Fixed. |
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122 -- [[email protected]] reported the makefile.bcc was messed up. Fixed. |
| 1436 | 123 -- [Kevin Kenny] reported some issues with mp_toradix_n(). Now it doesn't require a min of 3 chars of output. |
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124 -- Made the make command renamable. Wee |
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125 |
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126 August 1st, 2005 |
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127 v0.36 -- LTM_PRIME_2MSB_ON was fixed and the "OFF" flag was removed. |
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128 -- [Peter LaDow] found a typo in the XREALLOC macro |
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129 -- [Peter LaDow] pointed out that mp_read_(un)signed_bin should have "const" on the input |
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130 -- Ported LTC patch to fix the prime_random_ex() function to get the bitsize correct [and the maskOR flags] |
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131 -- Kevin Kenny pointed out a stray // |
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132 -- David Hulton pointed out a typo in the textbook [mp_montgomery_setup() pseudo-code] |
| 1436 | 133 -- Neal Hamilton (Elliptic Semiconductor) pointed out that my Karatsuba notation was backwards and that I could use |
| 134 unsigned operations in the routine. | |
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135 -- Paul Schmidt pointed out a linking error in mp_exptmod() when BN_S_MP_EXPTMOD_C is undefined (and another for read_radix) |
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136 -- Updated makefiles to be way more flexible |
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137 |
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138 March 12th, 2005 |
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139 v0.35 -- Stupid XOR function missing line again... oops. |
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140 -- Fixed bug in invmod not handling negative inputs correctly [Wolfgang Ehrhardt] |
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141 -- Made exteuclid always give positive u3 output...[ Wolfgang Ehrhardt ] |
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142 -- [Wolfgang Ehrhardt] Suggested a fix for mp_reduce() which avoided underruns. ;-) |
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143 -- mp_rand() would emit one too many digits and it was possible to get a 0 out of it ... oops |
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144 -- Added montgomery to the testing to make sure it handles 1..10 digit moduli correctly |
| 1436 | 145 -- Fixed bug in comba that would lead to possible erroneous outputs when "pa < digs" |
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146 -- Fixed bug in mp_toradix_size for "0" [Kevin Kenny] |
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147 -- Updated chapters 1-5 of the textbook ;-) It now talks about the new comba code! |
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148 |
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149 February 12th, 2005 |
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150 v0.34 -- Fixed two more small errors in mp_prime_random_ex() |
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151 -- Fixed overflow in mp_mul_d() [Kevin Kenny] |
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152 -- Added mp_to_(un)signed_bin_n() functions which do bounds checking for ya [and report the size] |
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153 -- Added "large" diminished radix support. Speeds up things like DSA where the moduli is of the form 2^k - P for some P < 2^(k/2) or so |
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154 Actually is faster than Montgomery on my AMD64 (and probably much faster on a P4) |
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155 -- Updated the manual a bit |
| 1436 | 156 -- Ok so I haven't done the textbook work yet... My current freelance gig has landed me in France till the |
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157 end of Feb/05. Once I get back I'll have tons of free time and I plan to go to town on the book. |
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158 As of this release the API will freeze. At least until the book catches up with all the changes. I welcome |
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159 bug reports but new algorithms will have to wait. |
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160 |
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161 December 23rd, 2004 |
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162 v0.33 -- Fixed "small" variant for mp_div() which would munge with negative dividends... |
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163 -- Fixed bug in mp_prime_random_ex() which would set the most significant byte to zero when |
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164 no special flags were set |
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165 -- Fixed overflow [minor] bug in fast_s_mp_sqr() |
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166 -- Made the makefiles easier to configure the group/user that ltm will install as |
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167 -- Fixed "final carry" bug in comba multipliers. (Volkan Ceylan) |
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168 -- Matt Johnston pointed out a missing semi-colon in mp_exptmod |
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169 |
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170 October 29th, 2004 |
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171 v0.32 -- Added "makefile.shared" for shared object support |
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172 -- Added more to the build options/configs in the manual |
| 1436 | 173 -- Started the Depends framework, wrote dep.pl to scan deps and |
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174 produce "callgraph.txt" ;-) |
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175 -- Wrote SC_RSA_1 which will enable close to the minimum required to perform |
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176 RSA on 32-bit [or 64-bit] platforms with LibTomCrypt |
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177 -- Merged in the small/slower mp_div replacement. You can now toggle which |
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178 you want to use as your mp_div() at build time. Saves roughly 8KB or so. |
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179 -- Renamed a few files and changed some comments to make depends system work better. |
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180 (No changes to function names) |
| 1436 | 181 -- Merged in new Combas that perform 2 reads per inner loop instead of the older |
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182 3reads/2writes per inner loop of the old code. Really though if you want speed |
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183 learn to use TomsFastMath ;-) |
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184 |
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185 August 9th, 2004 |
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186 v0.31 -- "profiled" builds now :-) new timings for Intel Northwoods |
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187 -- Added "pretty" build target |
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188 -- Update mp_init() to actually assign 0's instead of relying on calloc() |
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189 -- "Wolfgang Ehrhardt" <[email protected]> found a bug in mp_mul() where if |
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190 you multiply a negative by zero you get negative zero as the result. Oops. |
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191 -- J Harper from PeerSec let me toy with his AMD64 and I got 60-bit digits working properly |
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192 [this also means that I fixed a bug where if sizeof(int) < sizeof(mp_digit) it would bug] |
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193 |
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194 April 11th, 2004 |
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195 v0.30 -- Added "mp_toradix_n" which stores upto "n-1" least significant digits of an mp_int |
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196 -- Johan Lindh sent a patch so MSVC wouldn't whine about redefining malloc [in weird dll modes] |
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197 -- Henrik Goldman spotted a missing OPT_CAST in mp_fwrite() |
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198 -- Tuned tommath.h so that when MP_LOW_MEM is defined MP_PREC shall be reduced. |
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199 [I also allow MP_PREC to be externally defined now] |
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200 -- Sped up mp_cnt_lsb() by using a 4x4 table [e.g. 4x speedup] |
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201 -- Added mp_prime_random_ex() which is a more versatile prime generator accurate to |
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202 exact bit lengths (unlike the deprecated but still available mp_prime_random() which |
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203 is only accurate to byte lengths). See the new LTM_PRIME_* flags ;-) |
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204 -- Alex Polushin contributed an optimized mp_sqrt() as well as mp_get_int() and mp_is_square(). |
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205 I've cleaned them all up to be a little more consistent [along with one bug fix] for this release. |
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206 -- Added mp_init_set and mp_init_set_int to initialize and set small constants with one function |
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207 call. |
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208 -- Removed /etclib directory [um LibTomPoly deprecates this]. |
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209 -- Fixed mp_mod() so the sign of the result agrees with the sign of the modulus. |
| 1436 | 210 ++ N.B. My semester is almost up so expect updates to the textbook to be posted to the libtomcrypt.org |
| 211 website. | |
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284
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212 |
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213 Jan 25th, 2004 |
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214 v0.29 ++ Note: "Henrik" from the v0.28 changelog refers to Henrik Goldman ;-) |
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215 -- Added fix to mp_shrink to prevent a realloc when used == 0 [e.g. realloc zero bytes???] |
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216 -- Made the mp_prime_rabin_miller_trials() function internal table smaller and also |
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217 set the minimum number of tests to two (sounds a bit safer). |
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218 -- Added a mp_exteuclid() which computes the extended euclidean algorithm. |
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219 -- Fixed a memory leak in s_mp_exptmod() [called when Barrett reduction is to be used] which would arise |
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220 if a multiplication or subsequent reduction failed [would not free the temp result]. |
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221 -- Made an API change to mp_radix_size(). It now returns an error code and stores the required size |
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222 through an "int star" passed to it. |
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223 |
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224 Dec 24th, 2003 |
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225 v0.28 -- Henrik Goldman suggested I add casts to the montomgery code [stores into mu...] so compilers wouldn't |
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226 spew [erroneous] diagnostics... fixed. |
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227 -- Henrik Goldman also spotted two typos. One in mp_radix_size() and another in mp_toradix(). |
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228 -- Added fix to mp_shrink() to avoid a memory leak. |
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229 -- Added mp_prime_random() which requires a callback to make truly random primes of a given nature |
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230 (idea from chat with Niels Ferguson at Crypto'03) |
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231 -- Picked up a second wind. I'm filled with Gooo. Mission Gooo! |
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232 -- Removed divisions from mp_reduce_is_2k() |
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233 -- Sped up mp_div_d() [general case] to use only one division per digit instead of two. |
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234 -- Added the heap macros from LTC to LTM. Now you can easily [by editing four lines of tommath.h] |
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235 change the name of the heap functions used in LTM [also compatible with LTC via MPI mode] |
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236 -- Added bn_prime_rabin_miller_trials() which gives the number of Rabin-Miller trials to achieve |
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237 a failure rate of less than 2^-96 |
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238 -- fixed bug in fast_mp_invmod(). The initial testing logic was wrong. An invalid input is not when |
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239 "a" and "b" are even it's when "b" is even [the algo is for odd moduli only]. |
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240 -- Started a new manual [finally]. It is incomplete and will be finished as time goes on. I had to stop |
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241 adding full demos around half way in chapter three so I could at least get a good portion of the |
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242 manual done. If you really need help using the library you can always email me! |
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243 -- My Textbook is now included as part of the package [all Public Domain] |
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244 |
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245 Sept 19th, 2003 |
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246 v0.27 -- Removed changes.txt~ which was made by accident since "kate" decided it was |
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247 a good time to re-enable backups... [kde is fun!] |
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248 -- In mp_grow() "a->dp" is not overwritten by realloc call [re: memory leak] |
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249 Now if mp_grow() fails the mp_int is still valid and can be cleared via |
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250 mp_clear() to reclaim the memory. |
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251 -- Henrik Goldman found a buffer overflow bug in mp_add_d(). Fixed. |
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252 -- Cleaned up mp_mul_d() to be much easier to read and follow. |
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253 |
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254 Aug 29th, 2003 |
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255 v0.26 -- Fixed typo that caused warning with GCC 3.2 |
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256 -- Martin Marcel noticed a bug in mp_neg() that allowed negative zeroes. |
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257 Also, Martin is the fellow who noted the bugs in mp_gcd() of 0.24/0.25. |
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258 -- Martin Marcel noticed an optimization [and slight bug] in mp_lcm(). |
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259 -- Added fix to mp_read_unsigned_bin to prevent a buffer overflow. |
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260 -- Beefed up the comments in the baseline multipliers [and montgomery] |
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261 -- Added "mont" demo to the makefile.msvc in etc/ |
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262 -- Optimized sign compares in mp_cmp from 4 to 2 cases. |
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263 |
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264 Aug 4th, 2003 |
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265 v0.25 -- Fix to mp_gcd again... oops (0,-a) == (-a, 0) == a |
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266 -- Fix to mp_clear which didn't reset the sign [Greg Rose] |
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267 -- Added mp_error_to_string() to convert return codes to strings. [Greg Rose] |
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268 -- Optimized fast_mp_invmod() to do the test for invalid inputs [both even] |
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269 first so temps don't have to be initialized if it's going to fail. |
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270 -- Optimized mp_gcd() by removing mp_div_2d calls for when one of the inputs |
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271 is odd. |
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272 -- Tons of new comments, some indentation fixups, etc. |
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273 -- mp_jacobi() returns MP_VAL if the modulus is less than or equal to zero. |
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274 -- fixed two typos in the header of each file :-) |
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275 -- LibTomMath is officially Public Domain [see LICENSE] |
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276 |
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277 July 15th, 2003 |
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278 v0.24 -- Optimized mp_add_d and mp_sub_d to not allocate temporary variables |
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279 -- Fixed mp_gcd() so the gcd of 0,0 is 0. Allows the gcd operation to be chained |
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280 e.g. (0,0,a) == a [instead of 1] |
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281 -- Should be one of the last release for a while. Working on LibTomMath book now. |
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282 -- optimized the pprime demo [/etc/pprime.c] to first make a huge table of single |
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283 digit primes then it reads them randomly instead of randomly choosing/testing single |
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284 digit primes. |
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285 |
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286 July 12th, 2003 |
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287 v0.23 -- Optimized mp_prime_next_prime() to not use mp_mod [via is_divisible()] in each |
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288 iteration. Instead now a smaller table is kept of the residues which can be updated |
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289 without division. |
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290 -- Fixed a bug in next_prime() where an input of zero would be treated as odd and |
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291 have two added to it [to move to the next odd]. |
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292 -- fixed a bug in prime_fermat() and prime_miller_rabin() which allowed the base |
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293 to be negative, zero or one. Normally the test is only valid if the base is |
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294 greater than one. |
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295 -- changed the next_prime() prototype to accept a new parameter "bbs_style" which |
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296 will find the next prime congruent to 3 mod 4. The default [bbs_style==0] will |
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297 make primes which are either congruent to 1 or 3 mod 4. |
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298 -- fixed mp_read_unsigned_bin() so that it doesn't include both code for |
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299 the case DIGIT_BIT < 8 and >= 8 |
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300 -- optimized div_d() to easy out on division by 1 [or if a == 0] and use |
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301 logical shifts if the divisor is a power of two. |
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302 -- the default DIGIT_BIT type was not int for non-default builds. Fixed. |
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303 |
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304 July 2nd, 2003 |
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305 v0.22 -- Fixed up mp_invmod so the result is properly in range now [was always congruent to the inverse...] |
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306 -- Fixed up s_mp_exptmod and mp_exptmod_fast so the lower half of the pre-computed table isn't allocated |
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307 which makes the algorithm use half as much ram. |
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308 -- Fixed the install script not to make the book :-) [which isn't included anyways] |
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309 -- added mp_cnt_lsb() which counts how many of the lsbs are zero |
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310 -- optimized mp_gcd() to use the new mp_cnt_lsb() to replace multiple divisions by two by a single division. |
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311 -- applied similar optimization to mp_prime_miller_rabin(). |
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312 -- Fixed a bug in both mp_invmod() and fast_mp_invmod() which tested for odd |
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313 via "mp_iseven() == 0" which is not valid [since zero is not even either]. |
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314 |
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315 June 19th, 2003 |
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316 v0.21 -- Fixed bug in mp_mul_d which would not handle sign correctly [would not always forward it] |
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317 -- Removed the #line lines from gen.pl [was in violation of ISO C] |
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318 |
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319 June 8th, 2003 |
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320 v0.20 -- Removed the book from the package. Added the TDCAL license document. |
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321 -- This release is officially pure-bred TDCAL again [last officially TDCAL based release was v0.16] |
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322 |
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323 June 6th, 2003 |
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324 v0.19 -- Fixed a bug in mp_montgomery_reduce() which was introduced when I tweaked mp_rshd() in the previous release. |
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325 Essentially the digits were not trimmed before the compare which cause a subtraction to occur all the time. |
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326 -- Fixed up etc/tune.c a bit to stop testing new cutoffs after 16 failures [to find more optimal points]. |
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327 Brute force ho! |
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328 |
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329 |
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330 May 29th, 2003 |
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331 v0.18 -- Fixed a bug in s_mp_sqr which would handle carries properly just not very elegantly. |
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332 (e.g. correct result, just bad looking code) |
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333 -- Fixed bug in mp_sqr which still had a 512 constant instead of MP_WARRAY |
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334 -- Added Toom-Cook multipliers [needs tuning!] |
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335 -- Added efficient divide by 3 algorithm mp_div_3 |
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336 -- Re-wrote mp_div_d to be faster than calling mp_div |
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337 -- Added in a donated BCC makefile and a single page LTM poster ([email protected]) |
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338 -- Added mp_reduce_2k which reduces an input modulo n = 2**p - k for any single digit k |
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339 -- Made the exptmod system be aware of the 2k reduction algorithms. |
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340 -- Rewrote mp_dr_reduce to be smaller, simpler and easier to understand. |
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341 |
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342 May 17th, 2003 |
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343 v0.17 -- Benjamin Goldberg submitted optimized mp_add and mp_sub routines. A new gen.pl as well |
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344 as several smaller suggestions. Thanks! |
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345 -- removed call to mp_cmp in inner loop of mp_div and put mp_cmp_mag in its place :-) |
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346 -- Fixed bug in mp_exptmod that would cause it to fail for odd moduli when DIGIT_BIT != 28 |
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347 -- mp_exptmod now also returns errors if the modulus is negative and will handle negative exponents |
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348 -- mp_prime_is_prime will now return true if the input is one of the primes in the prime table |
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349 -- Damian M Gryski ([email protected]) found a index out of bounds error in the |
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350 mp_fast_s_mp_mul_high_digs function which didn't come up before. (fixed) |
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351 -- Refactored the DR reduction code so there is only one function per file. |
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352 -- Fixed bug in the mp_mul() which would erroneously avoid the faster multiplier [comba] when it was |
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353 allowed. The bug would not cause the incorrect value to be produced just less efficient (fixed) |
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354 -- Fixed similar bug in the Montgomery reduction code. |
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355 -- Added tons of (mp_digit) casts so the 7/15/28/31 bit digit code will work flawlessly out of the box. |
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356 Also added limited support for 64-bit machines with a 60-bit digit. Both thanks to Tom Wu ([email protected]) |
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357 -- Added new comments here and there, cleaned up some code [style stuff] |
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358 -- Fixed a lingering typo in mp_exptmod* that would set bitcnt to zero then one. Very silly stuff :-) |
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359 -- Fixed up mp_exptmod_fast so it would set "redux" to the comba Montgomery reduction if allowed. This |
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360 saves quite a few calls and if statements. |
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361 -- Added etc/mont.c a test of the Montgomery reduction [assuming all else works :-| ] |
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362 -- Fixed up etc/tune.c to use a wider test range [more appropriate] also added a x86 based addition which |
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363 uses RDTSC for high precision timing. |
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364 -- Updated demo/demo.c to remove MPI stuff [won't work anyways], made the tests run for 2 seconds each so its |
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365 not so insanely slow. Also made the output space delimited [and fixed up various errors] |
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366 -- Added logs directory, logs/graph.dem which will use gnuplot to make a series of PNG files |
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367 that go with the pre-made index.html. You have to build [via make timing] and run ltmtest first in the |
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368 root of the package. |
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369 -- Fixed a bug in mp_sub and mp_add where "-a - -a" or "-a + a" would produce -0 as the result [obviously invalid]. |
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370 -- Fixed a bug in mp_rshd. If the count == a.used it should zero/return [instead of shifting] |
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371 -- Fixed a "off-by-one" bug in mp_mul2d. The initial size check on alloc would be off by one if the residue |
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372 shifting caused a carry. |
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373 -- Fixed a bug where s_mp_mul_digs() would not call the Comba based routine if allowed. This made Barrett reduction |
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374 slower than it had to be. |
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375 |
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376 Mar 29th, 2003 |
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377 v0.16 -- Sped up mp_div by making normalization one shift call |
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378 -- Sped up mp_mul_2d/mp_div_2d by aliasing pointers :-) |
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379 -- Cleaned up mp_gcd to use the macros for odd/even detection |
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380 -- Added comments here and there, mostly there but occasionally here too. |
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381 |
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382 Mar 22nd, 2003 |
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383 v0.15 -- Added series of prime testing routines to lib |
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384 -- Fixed up etc/tune.c |
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385 -- Added DR reduction algorithm |
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386 -- Beefed up the manual more. |
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387 -- Fixed up demo/demo.c so it doesn't have so many warnings and it does the full series of |
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388 tests |
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389 -- Added "pre-gen" directory which will hold a "gen.pl"'ed copy of the entire lib [done at |
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390 zipup time so its always the latest] |
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391 -- Added conditional casts for C++ users [boo!] |
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392 |
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393 Mar 15th, 2003 |
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394 v0.14 -- Tons of manual updates |
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395 -- cleaned up the directory |
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396 -- added MSVC makefiles |
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397 -- source changes [that I don't recall] |
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398 -- Fixed up the lshd/rshd code to use pointer aliasing |
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399 -- Fixed up the mul_2d and div_2d to not call rshd/lshd unless needed |
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400 -- Fixed up etc/tune.c a tad |
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401 -- fixed up demo/demo.c to output comma-delimited results of timing |
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402 also fixed up timing demo to use a finer granularity for various functions |
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403 -- fixed up demo/demo.c testing to pause during testing so my Duron won't catch on fire |
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404 [stays around 31-35C during testing :-)] |
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405 |
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406 Feb 13th, 2003 |
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407 v0.13 -- tons of minor speed-ups in low level add, sub, mul_2 and div_2 which propagate |
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408 to other functions like mp_invmod, mp_div, etc... |
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409 -- Sped up mp_exptmod_fast by using new code to find R mod m [e.g. B^n mod m] |
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410 -- minor fixes |
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411 |
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412 Jan 17th, 2003 |
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413 v0.12 -- re-wrote the majority of the makefile so its more portable and will |
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414 install via "make install" on most *nix platforms |
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415 -- Re-packaged all the source as seperate files. Means the library a single |
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416 file packagage any more. Instead of just adding "bn.c" you have to add |
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417 libtommath.a |
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418 -- Renamed "bn.h" to "tommath.h" |
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419 -- Changes to the manual to reflect all of this |
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420 -- Used GNU Indent to clean up the source |
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421 |
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422 Jan 15th, 2003 |
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423 v0.11 -- More subtle fixes |
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424 -- Moved to gentoo linux [hurrah!] so made *nix specific fixes to the make process |
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425 -- Sped up the montgomery reduction code quite a bit |
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426 -- fixed up demo so when building timing for the x86 it assumes ELF format now |
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427 |
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428 Jan 9th, 2003 |
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429 v0.10 -- Pekka Riikonen suggested fixes to the radix conversion code. |
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430 -- Added baseline montgomery and comba montgomery reductions, sped up exptmods |
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431 [to a point, see bn.h for MONTGOMERY_EXPT_CUTOFF] |
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432 |
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433 Jan 6th, 2003 |
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434 v0.09 -- Updated the manual to reflect recent changes. :-) |
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435 -- Added Jacobi function (mp_jacobi) to supplement the number theory side of the lib |
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436 -- Added a Mersenne prime finder demo in ./etc/mersenne.c |
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437 |
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438 Jan 2nd, 2003 |
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439 v0.08 -- Sped up the multipliers by moving the inner loop variables into a smaller scope |
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440 -- Corrected a bunch of small "warnings" |
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441 -- Added more comments |
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442 -- Made "mtest" be able to use /dev/random, /dev/urandom or stdin for RNG data |
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443 -- Corrected some bugs where error messages were potentially ignored |
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444 -- add etc/pprime.c program which makes numbers which are provably prime. |
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445 |
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446 Jan 1st, 2003 |
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447 v0.07 -- Removed alot of heap operations from core functions to speed them up |
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448 -- Added a root finding function [and mp_sqrt macro like from MPI] |
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449 -- Added more to manual |
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450 |
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451 Dec 31st, 2002 |
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452 v0.06 -- Sped up the s_mp_add, s_mp_sub which inturn sped up mp_invmod, mp_exptmod, etc... |
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453 -- Cleaned up the header a bit more |
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454 |
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455 Dec 30th, 2002 |
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456 v0.05 -- Builds with MSVC out of the box |
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457 -- Fixed a bug in mp_invmod w.r.t. even moduli |
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458 -- Made mp_toradix and mp_read_radix use char instead of unsigned char arrays |
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459 -- Fixed up exptmod to use fewer multiplications |
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460 -- Fixed up mp_init_size to use only one heap operation |
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461 -- Note there is a slight "off-by-one" bug in the library somewhere |
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462 without the padding (see the source for comment) the library |
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463 crashes in libtomcrypt. Anyways a reasonable workaround is to pad the |
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464 numbers which will always correct it since as the numbers grow the padding |
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465 will still be beyond the end of the number |
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466 -- Added more to the manual |
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467 |
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468 Dec 29th, 2002 |
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469 v0.04 -- Fixed a memory leak in mp_to_unsigned_bin |
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470 -- optimized invmod code |
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471 -- Fixed bug in mp_div |
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472 -- use exchange instead of copy for results |
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473 -- added a bit more to the manual |
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474 |
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475 Dec 27th, 2002 |
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476 v0.03 -- Sped up s_mp_mul_high_digs by not computing the carries of the lower digits |
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477 -- Fixed a bug where mp_set_int wouldn't zero the value first and set the used member. |
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478 -- fixed a bug in s_mp_mul_high_digs where the limit placed on the result digits was not calculated properly |
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479 -- fixed bugs in add/sub/mul/sqr_mod functions where if the modulus and dest were the same it wouldn't work |
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480 -- fixed a bug in mp_mod and mp_mod_d concerning negative inputs |
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481 -- mp_mul_d didn't preserve sign |
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482 -- Many many many many fixes |
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483 -- Works in LibTomCrypt now :-) |
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484 -- Added iterations to the timing demos... more accurate. |
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485 -- Tom needs a job. |
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486 |
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487 Dec 26th, 2002 |
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488 v0.02 -- Fixed a few "slips" in the manual. This is "LibTomMath" afterall :-) |
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489 -- Added mp_cmp_mag, mp_neg, mp_abs and mp_radix_size that were missing. |
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490 -- Sped up the fast [comba] multipliers more [yahoo!] |
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491 |
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492 Dec 25th,2002 |
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493 v0.01 -- Initial release. Gimme a break. |
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494 -- Todo list, |
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495 add details to manual [e.g. algorithms] |
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496 more comments in code |
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497 example programs |