Mercurial > dropbear
annotate libtomcrypt/src/headers/tomcrypt_math.h @ 1938:77bc00dcc19f default tip main master
Bump version to 2022.82
author | Matt Johnston <matt@ucc.asn.au> |
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date | Fri, 01 Apr 2022 14:43:27 +0800 |
parents | 6dba84798cd5 |
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis |
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2 * |
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3 * LibTomCrypt is a library that provides various cryptographic |
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4 * algorithms in a highly modular and flexible manner. |
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5 * |
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6 * The library is free for all purposes without any express |
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7 * guarantee it works. |
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8 */ |
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9 |
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10 /** math functions **/ |
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11 |
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12 #define LTC_MP_LT -1 |
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13 #define LTC_MP_EQ 0 |
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14 #define LTC_MP_GT 1 |
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15 |
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16 #define LTC_MP_NO 0 |
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17 #define LTC_MP_YES 1 |
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18 |
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19 #ifndef LTC_MECC |
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20 typedef void ecc_point; |
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21 #endif |
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22 |
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23 #ifndef LTC_MRSA |
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24 typedef void rsa_key; |
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25 #endif |
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26 |
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27 #ifndef LTC_MILLER_RABIN_REPS |
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28 /* Number of rounds of the Miller-Rabin test |
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29 * "Reasonable values of reps are between 15 and 50." c.f. gmp doc of mpz_probab_prime_p() |
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30 * As of https://security.stackexchange.com/a/4546 we should use 40 rounds */ |
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31 #define LTC_MILLER_RABIN_REPS 40 |
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32 #endif |
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33 |
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34 int radix_to_bin(const void *in, int radix, void *out, unsigned long *len); |
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35 |
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36 /** math descriptor */ |
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37 typedef struct { |
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38 /** Name of the math provider */ |
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39 const char *name; |
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40 |
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41 /** Bits per digit, amount of bits must fit in an unsigned long */ |
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42 int bits_per_digit; |
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43 |
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44 /* ---- init/deinit functions ---- */ |
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45 |
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46 /** initialize a bignum |
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47 @param a The number to initialize |
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48 @return CRYPT_OK on success |
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49 */ |
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50 int (*init)(void **a); |
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51 |
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52 /** init copy |
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53 @param dst The number to initialize and write to |
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54 @param src The number to copy from |
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55 @return CRYPT_OK on success |
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56 */ |
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57 int (*init_copy)(void **dst, void *src); |
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58 |
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59 /** deinit |
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60 @param a The number to free |
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61 @return CRYPT_OK on success |
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62 */ |
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63 void (*deinit)(void *a); |
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64 |
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65 /* ---- data movement ---- */ |
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66 |
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67 /** negate |
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68 @param src The number to negate |
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69 @param dst The destination |
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70 @return CRYPT_OK on success |
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71 */ |
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72 int (*neg)(void *src, void *dst); |
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73 |
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74 /** copy |
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75 @param src The number to copy from |
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76 @param dst The number to write to |
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77 @return CRYPT_OK on success |
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78 */ |
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79 int (*copy)(void *src, void *dst); |
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80 |
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81 /* ---- trivial low level functions ---- */ |
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82 |
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83 /** set small constant |
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84 @param a Number to write to |
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85 @param n Source upto bits_per_digit (actually meant for very small constants) |
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86 @return CRYPT_OK on success |
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87 */ |
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88 int (*set_int)(void *a, ltc_mp_digit n); |
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89 |
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90 /** get small constant |
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91 @param a Small number to read, |
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92 only fetches up to bits_per_digit from the number |
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93 @return The lower bits_per_digit of the integer (unsigned) |
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94 */ |
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95 unsigned long (*get_int)(void *a); |
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96 |
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97 /** get digit n |
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98 @param a The number to read from |
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99 @param n The number of the digit to fetch |
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100 @return The bits_per_digit sized n'th digit of a |
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101 */ |
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102 ltc_mp_digit (*get_digit)(void *a, int n); |
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103 |
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104 /** Get the number of digits that represent the number |
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105 @param a The number to count |
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106 @return The number of digits used to represent the number |
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107 */ |
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108 int (*get_digit_count)(void *a); |
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109 |
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110 /** compare two integers |
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111 @param a The left side integer |
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112 @param b The right side integer |
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113 @return LTC_MP_LT if a < b, |
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114 LTC_MP_GT if a > b and |
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115 LTC_MP_EQ otherwise. (signed comparison) |
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116 */ |
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117 int (*compare)(void *a, void *b); |
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118 |
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119 /** compare against int |
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120 @param a The left side integer |
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121 @param b The right side integer (upto bits_per_digit) |
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122 @return LTC_MP_LT if a < b, |
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123 LTC_MP_GT if a > b and |
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124 LTC_MP_EQ otherwise. (signed comparison) |
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125 */ |
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126 int (*compare_d)(void *a, ltc_mp_digit n); |
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127 |
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128 /** Count the number of bits used to represent the integer |
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129 @param a The integer to count |
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130 @return The number of bits required to represent the integer |
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131 */ |
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132 int (*count_bits)(void * a); |
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133 |
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134 /** Count the number of LSB bits which are zero |
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135 @param a The integer to count |
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136 @return The number of contiguous zero LSB bits |
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137 */ |
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138 int (*count_lsb_bits)(void *a); |
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139 |
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140 /** Compute a power of two |
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141 @param a The integer to store the power in |
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142 @param n The power of two you want to store (a = 2^n) |
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143 @return CRYPT_OK on success |
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144 */ |
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145 int (*twoexpt)(void *a , int n); |
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146 |
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147 /* ---- radix conversions ---- */ |
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148 |
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149 /** read ascii string |
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150 @param a The integer to store into |
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151 @param str The string to read |
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152 @param radix The radix the integer has been represented in (2-64) |
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153 @return CRYPT_OK on success |
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154 */ |
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155 int (*read_radix)(void *a, const char *str, int radix); |
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156 |
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157 /** write number to string |
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158 @param a The integer to store |
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159 @param str The destination for the string |
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160 @param radix The radix the integer is to be represented in (2-64) |
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161 @return CRYPT_OK on success |
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162 */ |
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163 int (*write_radix)(void *a, char *str, int radix); |
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164 |
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165 /** get size as unsigned char string |
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166 @param a The integer to get the size (when stored in array of octets) |
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167 @return The length of the integer in octets |
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168 */ |
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169 unsigned long (*unsigned_size)(void *a); |
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170 |
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171 /** store an integer as an array of octets |
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172 @param src The integer to store |
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173 @param dst The buffer to store the integer in |
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174 @return CRYPT_OK on success |
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175 */ |
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176 int (*unsigned_write)(void *src, unsigned char *dst); |
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177 |
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178 /** read an array of octets and store as integer |
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179 @param dst The integer to load |
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180 @param src The array of octets |
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181 @param len The number of octets |
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182 @return CRYPT_OK on success |
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183 */ |
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184 int (*unsigned_read)( void *dst, |
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185 unsigned char *src, |
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186 unsigned long len); |
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187 |
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188 /* ---- basic math ---- */ |
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189 |
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190 /** add two integers |
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191 @param a The first source integer |
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192 @param b The second source integer |
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193 @param c The destination of "a + b" |
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194 @return CRYPT_OK on success |
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195 */ |
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196 int (*add)(void *a, void *b, void *c); |
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197 |
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198 /** add two integers |
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199 @param a The first source integer |
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200 @param b The second source integer |
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201 (single digit of upto bits_per_digit in length) |
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202 @param c The destination of "a + b" |
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203 @return CRYPT_OK on success |
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204 */ |
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205 int (*addi)(void *a, ltc_mp_digit b, void *c); |
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206 |
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207 /** subtract two integers |
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208 @param a The first source integer |
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209 @param b The second source integer |
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210 @param c The destination of "a - b" |
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211 @return CRYPT_OK on success |
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212 */ |
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213 int (*sub)(void *a, void *b, void *c); |
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214 |
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215 /** subtract two integers |
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216 @param a The first source integer |
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217 @param b The second source integer |
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218 (single digit of upto bits_per_digit in length) |
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219 @param c The destination of "a - b" |
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220 @return CRYPT_OK on success |
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221 */ |
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222 int (*subi)(void *a, ltc_mp_digit b, void *c); |
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223 |
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224 /** multiply two integers |
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225 @param a The first source integer |
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226 @param b The second source integer |
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227 (single digit of upto bits_per_digit in length) |
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228 @param c The destination of "a * b" |
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229 @return CRYPT_OK on success |
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230 */ |
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231 int (*mul)(void *a, void *b, void *c); |
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232 |
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233 /** multiply two integers |
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234 @param a The first source integer |
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235 @param b The second source integer |
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236 (single digit of upto bits_per_digit in length) |
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237 @param c The destination of "a * b" |
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238 @return CRYPT_OK on success |
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239 */ |
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240 int (*muli)(void *a, ltc_mp_digit b, void *c); |
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241 |
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242 /** Square an integer |
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243 @param a The integer to square |
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244 @param b The destination |
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245 @return CRYPT_OK on success |
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246 */ |
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247 int (*sqr)(void *a, void *b); |
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248 |
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249 /** Divide an integer |
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250 @param a The dividend |
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251 @param b The divisor |
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252 @param c The quotient (can be NULL to signify don't care) |
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253 @param d The remainder (can be NULL to signify don't care) |
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254 @return CRYPT_OK on success |
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255 */ |
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256 int (*mpdiv)(void *a, void *b, void *c, void *d); |
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257 |
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258 /** divide by two |
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259 @param a The integer to divide (shift right) |
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260 @param b The destination |
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261 @return CRYPT_OK on success |
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262 */ |
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263 int (*div_2)(void *a, void *b); |
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264 |
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265 /** Get remainder (small value) |
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266 @param a The integer to reduce |
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267 @param b The modulus (upto bits_per_digit in length) |
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268 @param c The destination for the residue |
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269 @return CRYPT_OK on success |
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270 */ |
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271 int (*modi)(void *a, ltc_mp_digit b, ltc_mp_digit *c); |
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272 |
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273 /** gcd |
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274 @param a The first integer |
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275 @param b The second integer |
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276 @param c The destination for (a, b) |
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277 @return CRYPT_OK on success |
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278 */ |
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279 int (*gcd)(void *a, void *b, void *c); |
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280 |
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281 /** lcm |
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282 @param a The first integer |
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283 @param b The second integer |
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284 @param c The destination for [a, b] |
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285 @return CRYPT_OK on success |
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286 */ |
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287 int (*lcm)(void *a, void *b, void *c); |
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288 |
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289 /** Modular multiplication |
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290 @param a The first source |
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291 @param b The second source |
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292 @param c The modulus |
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293 @param d The destination (a*b mod c) |
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294 @return CRYPT_OK on success |
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295 */ |
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296 int (*mulmod)(void *a, void *b, void *c, void *d); |
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297 |
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298 /** Modular squaring |
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299 @param a The first source |
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300 @param b The modulus |
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301 @param c The destination (a*a mod b) |
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302 @return CRYPT_OK on success |
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303 */ |
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304 int (*sqrmod)(void *a, void *b, void *c); |
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305 |
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306 /** Modular inversion |
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307 @param a The value to invert |
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308 @param b The modulus |
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309 @param c The destination (1/a mod b) |
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310 @return CRYPT_OK on success |
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311 */ |
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312 int (*invmod)(void *, void *, void *); |
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313 |
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314 /* ---- reduction ---- */ |
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315 |
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316 /** setup Montgomery |
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317 @param a The modulus |
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318 @param b The destination for the reduction digit |
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319 @return CRYPT_OK on success |
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320 */ |
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321 int (*montgomery_setup)(void *a, void **b); |
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322 |
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323 /** get normalization value |
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324 @param a The destination for the normalization value |
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325 @param b The modulus |
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326 @return CRYPT_OK on success |
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327 */ |
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328 int (*montgomery_normalization)(void *a, void *b); |
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329 |
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330 /** reduce a number |
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331 @param a The number [and dest] to reduce |
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332 @param b The modulus |
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333 @param c The value "b" from montgomery_setup() |
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334 @return CRYPT_OK on success |
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335 */ |
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336 int (*montgomery_reduce)(void *a, void *b, void *c); |
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337 |
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338 /** clean up (frees memory) |
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339 @param a The value "b" from montgomery_setup() |
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340 @return CRYPT_OK on success |
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341 */ |
382
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342 void (*montgomery_deinit)(void *a); |
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343 |
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344 /* ---- exponentiation ---- */ |
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345 |
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346 /** Modular exponentiation |
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347 @param a The base integer |
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348 @param b The power (can be negative) integer |
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349 @param c The modulus integer |
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350 @param d The destination |
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351 @return CRYPT_OK on success |
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352 */ |
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353 int (*exptmod)(void *a, void *b, void *c, void *d); |
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354 |
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355 /** Primality testing |
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356 @param a The integer to test |
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357 @param b The number of Miller-Rabin tests that shall be executed |
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358 @param c The destination of the result (FP_YES if prime) |
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359 @return CRYPT_OK on success |
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360 */ |
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361 int (*isprime)(void *a, int b, int *c); |
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362 |
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363 /* ---- (optional) ecc point math ---- */ |
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364 |
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365 /** ECC GF(p) point multiplication (from the NIST curves) |
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366 @param k The integer to multiply the point by |
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367 @param G The point to multiply |
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368 @param R The destination for kG |
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369 @param modulus The modulus for the field |
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370 @param map Boolean indicated whether to map back to affine or not |
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371 (can be ignored if you work in affine only) |
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372 @return CRYPT_OK on success |
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373 */ |
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374 int (*ecc_ptmul)( void *k, |
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375 ecc_point *G, |
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376 ecc_point *R, |
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377 void *modulus, |
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378 int map); |
382
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379 |
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380 /** ECC GF(p) point addition |
382
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381 @param P The first point |
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382 @param Q The second point |
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383 @param R The destination of P + Q |
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384 @param modulus The modulus |
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385 @param mp The "b" value from montgomery_setup() |
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386 @return CRYPT_OK on success |
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387 */ |
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388 int (*ecc_ptadd)(ecc_point *P, |
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389 ecc_point *Q, |
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390 ecc_point *R, |
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391 void *modulus, |
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392 void *mp); |
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393 |
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394 /** ECC GF(p) point double |
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395 @param P The first point |
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396 @param R The destination of 2P |
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397 @param modulus The modulus |
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398 @param mp The "b" value from montgomery_setup() |
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399 @return CRYPT_OK on success |
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400 */ |
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401 int (*ecc_ptdbl)(ecc_point *P, |
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402 ecc_point *R, |
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403 void *modulus, |
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404 void *mp); |
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405 |
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406 /** ECC mapping from projective to affine, |
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407 currently uses (x,y,z) => (x/z^2, y/z^3, 1) |
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408 @param P The point to map |
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409 @param modulus The modulus |
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410 @param mp The "b" value from montgomery_setup() |
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411 @return CRYPT_OK on success |
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412 @remark The mapping can be different but keep in mind a |
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413 ecc_point only has three integers (x,y,z) so if |
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414 you use a different mapping you have to make it fit. |
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415 */ |
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416 int (*ecc_map)(ecc_point *P, void *modulus, void *mp); |
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417 |
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418 /** Computes kA*A + kB*B = C using Shamir's Trick |
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419 @param A First point to multiply |
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420 @param kA What to multiple A by |
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421 @param B Second point to multiply |
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422 @param kB What to multiple B by |
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423 @param C [out] Destination point (can overlap with A or B) |
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424 @param modulus Modulus for curve |
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425 @return CRYPT_OK on success |
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426 */ |
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427 int (*ecc_mul2add)(ecc_point *A, void *kA, |
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428 ecc_point *B, void *kB, |
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429 ecc_point *C, |
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430 void *modulus); |
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431 |
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432 /* ---- (optional) rsa optimized math (for internal CRT) ---- */ |
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433 |
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434 /** RSA Key Generation |
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435 @param prng An active PRNG state |
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436 @param wprng The index of the PRNG desired |
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437 @param size The size of the key in octets |
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438 @param e The "e" value (public key). |
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439 e==65537 is a good choice |
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440 @param key [out] Destination of a newly created private key pair |
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441 @return CRYPT_OK if successful, upon error all allocated ram is freed |
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442 */ |
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443 int (*rsa_keygen)(prng_state *prng, |
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444 int wprng, |
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445 int size, |
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446 long e, |
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447 rsa_key *key); |
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448 |
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449 /** RSA exponentiation |
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450 @param in The octet array representing the base |
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451 @param inlen The length of the input |
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452 @param out The destination (to be stored in an octet array format) |
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453 @param outlen The length of the output buffer and the resulting size |
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454 (zero padded to the size of the modulus) |
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455 @param which PK_PUBLIC for public RSA and PK_PRIVATE for private RSA |
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456 @param key The RSA key to use |
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457 @return CRYPT_OK on success |
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458 */ |
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459 int (*rsa_me)(const unsigned char *in, unsigned long inlen, |
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460 unsigned char *out, unsigned long *outlen, int which, |
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461 rsa_key *key); |
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462 |
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463 /* ---- basic math continued ---- */ |
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464 |
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465 /** Modular addition |
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466 @param a The first source |
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467 @param b The second source |
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468 @param c The modulus |
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469 @param d The destination (a + b mod c) |
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470 @return CRYPT_OK on success |
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471 */ |
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472 int (*addmod)(void *a, void *b, void *c, void *d); |
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473 |
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474 /** Modular substraction |
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475 @param a The first source |
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476 @param b The second source |
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477 @param c The modulus |
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478 @param d The destination (a - b mod c) |
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479 @return CRYPT_OK on success |
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480 */ |
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481 int (*submod)(void *a, void *b, void *c, void *d); |
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482 |
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483 /* ---- misc stuff ---- */ |
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484 |
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485 /** Make a pseudo-random mpi |
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486 @param a The mpi to make random |
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487 @param size The desired length |
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488 @return CRYPT_OK on success |
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489 */ |
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490 int (*rand)(void *a, int size); |
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491 } ltc_math_descriptor; |
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492 |
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493 extern ltc_math_descriptor ltc_mp; |
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494 |
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495 int ltc_init_multi(void **a, ...); |
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496 void ltc_deinit_multi(void *a, ...); |
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497 void ltc_cleanup_multi(void **a, ...); |
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498 |
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499 #ifdef LTM_DESC |
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500 extern const ltc_math_descriptor ltm_desc; |
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501 #endif |
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502 |
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503 #ifdef TFM_DESC |
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504 extern const ltc_math_descriptor tfm_desc; |
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505 #endif |
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506 |
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507 #ifdef GMP_DESC |
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508 extern const ltc_math_descriptor gmp_desc; |
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509 #endif |
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510 |
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511 #if !defined(DESC_DEF_ONLY) && defined(LTC_SOURCE) |
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512 |
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513 #define MP_DIGIT_BIT ltc_mp.bits_per_digit |
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514 |
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515 /* some handy macros */ |
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516 #define mp_init(a) ltc_mp.init(a) |
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517 #define mp_init_multi ltc_init_multi |
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518 #define mp_clear(a) ltc_mp.deinit(a) |
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519 #define mp_clear_multi ltc_deinit_multi |
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520 #define mp_cleanup_multi ltc_cleanup_multi |
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521 #define mp_init_copy(a, b) ltc_mp.init_copy(a, b) |
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522 |
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523 #define mp_neg(a, b) ltc_mp.neg(a, b) |
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524 #define mp_copy(a, b) ltc_mp.copy(a, b) |
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525 |
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Matt Johnston <matt@ucc.asn.au>
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526 #define mp_set(a, b) ltc_mp.set_int(a, b) |
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Matt Johnston <matt@ucc.asn.au>
parents:
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527 #define mp_set_int(a, b) ltc_mp.set_int(a, b) |
0cbe8f6dbf9e
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
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528 #define mp_get_int(a) ltc_mp.get_int(a) |
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Matt Johnston <matt@ucc.asn.au>
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529 #define mp_get_digit(a, n) ltc_mp.get_digit(a, n) |
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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
diff
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530 #define mp_get_digit_count(a) ltc_mp.get_digit_count(a) |
0cbe8f6dbf9e
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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531 #define mp_cmp(a, b) ltc_mp.compare(a, b) |
0cbe8f6dbf9e
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
diff
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532 #define mp_cmp_d(a, b) ltc_mp.compare_d(a, b) |
0cbe8f6dbf9e
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
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533 #define mp_count_bits(a) ltc_mp.count_bits(a) |
0cbe8f6dbf9e
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
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534 #define mp_cnt_lsb(a) ltc_mp.count_lsb_bits(a) |
0cbe8f6dbf9e
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
diff
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535 #define mp_2expt(a, b) ltc_mp.twoexpt(a, b) |
0cbe8f6dbf9e
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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536 |
0cbe8f6dbf9e
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Matt Johnston <matt@ucc.asn.au>
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537 #define mp_read_radix(a, b, c) ltc_mp.read_radix(a, b, c) |
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538 #define mp_toradix(a, b, c) ltc_mp.write_radix(a, b, c) |
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Matt Johnston <matt@ucc.asn.au>
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diff
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539 #define mp_unsigned_bin_size(a) ltc_mp.unsigned_size(a) |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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540 #define mp_to_unsigned_bin(a, b) ltc_mp.unsigned_write(a, b) |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
541 #define mp_read_unsigned_bin(a, b, c) ltc_mp.unsigned_read(a, b, c) |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
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542 |
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Matt Johnston <matt@ucc.asn.au>
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543 #define mp_add(a, b, c) ltc_mp.add(a, b, c) |
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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
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544 #define mp_add_d(a, b, c) ltc_mp.addi(a, b, c) |
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Matt Johnston <matt@ucc.asn.au>
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545 #define mp_sub(a, b, c) ltc_mp.sub(a, b, c) |
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Matt Johnston <matt@ucc.asn.au>
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546 #define mp_sub_d(a, b, c) ltc_mp.subi(a, b, c) |
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Matt Johnston <matt@ucc.asn.au>
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|
547 #define mp_mul(a, b, c) ltc_mp.mul(a, b, c) |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
548 #define mp_mul_d(a, b, c) ltc_mp.muli(a, b, c) |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
549 #define mp_sqr(a, b) ltc_mp.sqr(a, b) |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
550 #define mp_div(a, b, c, d) ltc_mp.mpdiv(a, b, c, d) |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
551 #define mp_div_2(a, b) ltc_mp.div_2(a, b) |
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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
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552 #define mp_mod(a, b, c) ltc_mp.mpdiv(a, b, NULL, c) |
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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
diff
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553 #define mp_mod_d(a, b, c) ltc_mp.modi(a, b, c) |
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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
554 #define mp_gcd(a, b, c) ltc_mp.gcd(a, b, c) |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
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555 #define mp_lcm(a, b, c) ltc_mp.lcm(a, b, c) |
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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
556 |
1471
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
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diff
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557 #define mp_addmod(a, b, c, d) ltc_mp.addmod(a, b, c, d) |
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
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558 #define mp_submod(a, b, c, d) ltc_mp.submod(a, b, c, d) |
382
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
559 #define mp_mulmod(a, b, c, d) ltc_mp.mulmod(a, b, c, d) |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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560 #define mp_sqrmod(a, b, c) ltc_mp.sqrmod(a, b, c) |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
561 #define mp_invmod(a, b, c) ltc_mp.invmod(a, b, c) |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
562 |
0cbe8f6dbf9e
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Matt Johnston <matt@ucc.asn.au>
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563 #define mp_montgomery_setup(a, b) ltc_mp.montgomery_setup(a, b) |
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Matt Johnston <matt@ucc.asn.au>
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564 #define mp_montgomery_normalization(a, b) ltc_mp.montgomery_normalization(a, b) |
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Matt Johnston <matt@ucc.asn.au>
parents:
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565 #define mp_montgomery_reduce(a, b, c) ltc_mp.montgomery_reduce(a, b, c) |
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Matt Johnston <matt@ucc.asn.au>
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|
566 #define mp_montgomery_free(a) ltc_mp.montgomery_deinit(a) |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
567 |
0cbe8f6dbf9e
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
diff
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568 #define mp_exptmod(a,b,c,d) ltc_mp.exptmod(a,b,c,d) |
1471
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
1435
diff
changeset
|
569 #define mp_prime_is_prime(a, b, c) ltc_mp.isprime(a, b, c) |
382
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
570 |
0cbe8f6dbf9e
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Matt Johnston <matt@ucc.asn.au>
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diff
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|
571 #define mp_iszero(a) (mp_cmp_d(a, 0) == LTC_MP_EQ ? LTC_MP_YES : LTC_MP_NO) |
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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
572 #define mp_isodd(a) (mp_get_digit_count(a) > 0 ? (mp_get_digit(a, 0) & 1 ? LTC_MP_YES : LTC_MP_NO) : LTC_MP_NO) |
1471
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
1435
diff
changeset
|
573 #define mp_exch(a, b) do { void *ABC__tmp = a; a = b; b = ABC__tmp; } while(0) |
382
0cbe8f6dbf9e
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Matt Johnston <matt@ucc.asn.au>
parents:
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|
574 |
0cbe8f6dbf9e
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
575 #define mp_tohex(a, b) mp_toradix(a, b, 16) |
0cbe8f6dbf9e
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
576 |
1471
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
1435
diff
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|
577 #define mp_rand(a, b) ltc_mp.rand(a, b) |
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
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|
578 |
382
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
579 #endif |
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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
580 |
1471
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
1435
diff
changeset
|
581 /* ref: $Format:%D$ */ |
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
1435
diff
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|
582 /* git commit: $Format:%H$ */ |
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
1435
diff
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|
583 /* commit time: $Format:%ai$ */ |