1 /* |
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2 * This product includes cryptographic software developed by the OpenSSL |
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3 * Project for use in the OpenSSL Toolkit (http://www.openssl.org/). |
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4 */ |
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5 |
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6 /* |
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7 * ==================================================================== |
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8 * Copyright (c) 1999-2011 The OpenSSL Project. All rights reserved. |
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9 * |
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10 * Redistribution and use in source and binary forms, with or without |
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11 * modification, are permitted provided that the following conditions |
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12 * are met: |
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13 * |
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14 * 1. Redistributions of source code must retain the above copyright |
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15 * notice, this list of conditions and the following disclaimer. |
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16 * |
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17 * 2. Redistributions in binary form must reproduce the above copyright |
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18 * notice, this list of conditions and the following disclaimer in |
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19 * the documentation and/or other materials provided with the |
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20 * distribution. |
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21 * |
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22 * 3. All advertising materials mentioning features or use of this |
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23 * software must display the following acknowledgment: |
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24 * "This product includes software developed by the OpenSSL Project |
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25 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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26 * |
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27 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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28 * endorse or promote products derived from this software without |
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29 * prior written permission. For written permission, please contact |
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30 * [email protected]. |
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31 * |
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32 * 5. Products derived from this software may not be called "OpenSSL" |
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33 * nor may "OpenSSL" appear in their names without prior written |
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34 * permission of the OpenSSL Project. |
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35 * |
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36 * 6. Redistributions of any form whatsoever must retain the following |
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37 * acknowledgment: |
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38 * "This product includes software developed by the OpenSSL Project |
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39 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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40 * |
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41 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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42 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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44 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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47 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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48 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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50 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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51 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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52 * OF THE POSSIBILITY OF SUCH DAMAGE. |
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53 * ==================================================================== |
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54 */ |
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55 |
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56 /* |
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57 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. |
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58 */ |
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59 |
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60 /* |
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61 * This file is a copy of the ON gate's usr/src/common/bignum/bignum.h file |
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62 */ |
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63 |
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64 #ifndef _BIGNUM_H |
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65 #define _BIGNUM_H |
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66 |
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67 #ifdef __cplusplus |
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68 extern "C" { |
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69 #endif |
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70 |
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71 #include <sys/types.h> |
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72 |
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73 #if defined(__sparcv9) || defined(__amd64) || defined(__sparc) |
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74 /* 64-bit chunk size */ |
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75 #ifndef UMUL64 |
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76 #define UMUL64 /* 64-bit multiplication results are supported */ |
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77 #endif |
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78 #else |
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79 #define BIGNUM_CHUNK_32 |
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80 #endif |
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81 |
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82 |
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83 #define BITSINBYTE 8 |
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84 |
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85 /* Bignum "digits" (aka "chunks" or "words") are either 32- or 64-bits */ |
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86 #ifdef BIGNUM_CHUNK_32 |
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87 #define BIG_CHUNK_SIZE 32 |
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88 #define BIG_CHUNK_TYPE uint32_t |
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89 #define BIG_CHUNK_TYPE_SIGNED int32_t |
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90 #define BIG_CHUNK_HIGHBIT 0x80000000 |
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91 #define BIG_CHUNK_ALLBITS 0xffffffff |
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92 #define BIG_CHUNK_LOWHALFBITS 0xffff |
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93 #define BIG_CHUNK_HALF_HIGHBIT 0x8000 |
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94 |
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95 #else |
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96 #define BIG_CHUNK_SIZE 64 |
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97 #define BIG_CHUNK_TYPE uint64_t |
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98 #define BIG_CHUNK_TYPE_SIGNED int64_t |
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99 #define BIG_CHUNK_HIGHBIT 0x8000000000000000ULL |
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100 #define BIG_CHUNK_ALLBITS 0xffffffffffffffffULL |
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101 #define BIG_CHUNK_LOWHALFBITS 0xffffffffULL |
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102 #define BIG_CHUNK_HALF_HIGHBIT 0x80000000ULL |
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103 #endif |
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104 |
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105 #define BITLEN2BIGNUMLEN(x) ((x) > 0 ? \ |
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106 ((((x) - 1) / BIG_CHUNK_SIZE) + 1) : 0) |
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107 #define CHARLEN2BIGNUMLEN(x) ((x) > 0 ? \ |
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108 ((((x) - 1) / sizeof (BIG_CHUNK_TYPE)) + 1) : 0) |
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109 |
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110 #define BIGNUM_WORDSIZE (BIG_CHUNK_SIZE / BITSINBYTE) /* word size in bytes */ |
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111 #define BIG_CHUNKS_FOR_160BITS BITLEN2BIGNUMLEN(160) |
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112 |
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113 |
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114 /* |
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115 * leading 0's are permitted |
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116 * 0 should be represented by size>=1, size>=len>=1, sign=1, |
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117 * value[i]=0 for 0<i<len |
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118 */ |
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119 typedef struct { |
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120 /* size and len in units of BIG_CHUNK_TYPE words */ |
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121 uint32_t size; /* size of memory allocated for value */ |
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122 uint32_t len; /* number of valid data words in value */ |
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123 int sign; /* 1 for nonnegative, -1 for negative */ |
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124 int malloced; /* 1 if value was malloced, 0 if not */ |
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125 BIG_CHUNK_TYPE *value; |
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126 } BIGNUM; |
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127 |
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128 #define BIGTMPSIZE 65 |
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129 |
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130 #define BIG_TRUE 1 |
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131 #define BIG_FALSE 0 |
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132 |
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133 typedef int BIG_ERR_CODE; |
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134 |
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135 /* error codes */ |
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136 #define BIG_OK 0 |
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137 #define BIG_NO_MEM -1 |
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138 #define BIG_INVALID_ARGS -2 |
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139 #define BIG_DIV_BY_0 -3 |
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140 #define BIG_NO_RANDOM -4 |
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141 #define BIG_GENERAL_ERR -5 |
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142 #define BIG_TEST_FAILED -6 |
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143 #define BIG_BUFFER_TOO_SMALL -7 |
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144 |
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145 /* |
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146 * this is not an error code, but should be different from possible error codes |
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147 */ |
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148 #define RND_TEST_VALUE_SUPPLIED -8 |
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149 |
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150 |
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151 #define arraysize(x) (sizeof (x) / sizeof (x[0])) |
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152 |
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153 typedef BIG_ERR_CODE (*big_modexp_ncp_func_ptr)(BIGNUM *result, |
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154 BIGNUM *ma, BIGNUM *e, BIGNUM *n, |
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155 BIGNUM *tmp, BIG_CHUNK_TYPE n0, void *ncp, void *req); |
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156 |
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157 typedef struct { |
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158 big_modexp_ncp_func_ptr func; |
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159 void *ncp; |
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160 void *reqp; |
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161 } big_modexp_ncp_info_t; |
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162 |
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163 #ifdef YF_MODEXP |
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164 BIG_ERR_CODE big_modexp_ncp_yf(BIGNUM *result, BIGNUM *ma, BIGNUM *e, BIGNUM *n, |
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165 BIGNUM *tmp, BIG_CHUNK_TYPE n0); |
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166 #endif |
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167 |
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168 #ifdef YF_MONTMUL |
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169 BIG_ERR_CODE big_mont_mul_yf(BIGNUM *ret, |
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170 BIGNUM *a, BIGNUM *b, BIGNUM *n, BIG_CHUNK_TYPE n0); |
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171 #endif |
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172 |
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173 #ifdef YF_MPMUL |
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174 BIG_ERR_CODE big_mp_mul_yf(BIGNUM *ret, BIGNUM *a, BIGNUM *b); |
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175 void mpmul_arr_yf(uint64_t *res, uint64_t *m1, uint64_t *m2, int len); |
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176 #endif |
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177 |
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178 #ifdef USE_FLOATING_POINT |
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179 void conv_d16_to_i32(uint32_t *i32, double *d16, int64_t *tmp, int ilen); |
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180 void conv_i32_to_d32(double *d32, uint32_t *i32, int len); |
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181 void conv_i32_to_d16(double *d16, uint32_t *i32, int len); |
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182 void conv_i32_to_d32_and_d16(double *d32, double *d16, |
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183 uint32_t *i32, int len); |
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184 void mont_mulf_noconv(uint32_t *result, double *dm1, double *dm2, double *dt, |
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185 double *dn, uint32_t *nint, int nlen, double dn0); |
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186 #endif /* USE_FLOATING_POINT */ |
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187 |
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188 extern BIGNUM big_One; |
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189 extern BIGNUM big_Two; |
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190 |
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191 void printbignum(char *aname, BIGNUM *a); |
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192 |
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193 BIG_ERR_CODE big_init(BIGNUM *number, int size); |
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194 BIG_ERR_CODE big_extend(BIGNUM *number, int size); |
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195 void big_finish(BIGNUM *number); |
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196 void bytestring2bignum(BIGNUM *bn, uchar_t *kn, size_t len); |
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197 void bignum2bytestring(uchar_t *kn, BIGNUM *bn, size_t len); |
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198 BIG_ERR_CODE big_mont_rr(BIGNUM *result, BIGNUM *n); |
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199 BIG_ERR_CODE big_modexp(BIGNUM *result, BIGNUM *a, BIGNUM *e, |
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200 BIGNUM *n, BIGNUM *n_rr); |
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201 BIG_ERR_CODE big_modexp_ext(BIGNUM *result, BIGNUM *a, BIGNUM *e, |
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202 BIGNUM *n, BIGNUM *n_rr, big_modexp_ncp_info_t *info); |
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203 BIG_ERR_CODE big_modexp_crt(BIGNUM *result, BIGNUM *a, BIGNUM *dmodpminus1, |
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204 BIGNUM *dmodqminus1, BIGNUM *p, BIGNUM *q, BIGNUM *pinvmodq, |
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205 BIGNUM *p_rr, BIGNUM *q_rr); |
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206 BIG_ERR_CODE big_modexp_crt_ext(BIGNUM *result, BIGNUM *a, BIGNUM *dmodpminus1, |
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207 BIGNUM *dmodqminus1, BIGNUM *p, BIGNUM *q, BIGNUM *pinvmodq, |
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208 BIGNUM *p_rr, BIGNUM *q_rr, big_modexp_ncp_info_t *info); |
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209 int big_cmp_abs(BIGNUM *a, BIGNUM *b); |
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210 BIG_ERR_CODE big_random(BIGNUM *r, size_t length, |
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211 int (*rfunc)(void *, size_t), boolean_t precise); |
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212 BIG_ERR_CODE big_div_pos(BIGNUM *result, BIGNUM *remainder, |
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213 BIGNUM *aa, BIGNUM *bb); |
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214 BIG_ERR_CODE big_ext_gcd_pos(BIGNUM *gcd, BIGNUM *cm, BIGNUM *ce, |
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215 BIGNUM *m, BIGNUM *e); |
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216 BIG_ERR_CODE big_add(BIGNUM *result, BIGNUM *aa, BIGNUM *bb); |
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217 BIG_ERR_CODE big_add_abs(BIGNUM *result, BIGNUM *aa, BIGNUM *bb); |
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218 void big_mul_arr_64(uint64_t *result, uint64_t *a, uint64_t *b, int alen); |
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219 BIG_ERR_CODE big_mul(BIGNUM *result, BIGNUM *aa, BIGNUM *bb); |
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220 void big_shiftright(BIGNUM *result, BIGNUM *aa, int offs); |
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221 BIG_ERR_CODE big_nextprime_pos(BIGNUM *result, BIGNUM *n); |
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222 BIG_ERR_CODE big_nextprime_pos_ext(BIGNUM *result, BIGNUM *n, |
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223 big_modexp_ncp_info_t *info); |
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224 BIG_ERR_CODE big_sub_pos(BIGNUM *result, BIGNUM *aa, BIGNUM *bb); |
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225 BIG_ERR_CODE big_copy(BIGNUM *dest, BIGNUM *src); |
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226 BIG_ERR_CODE big_sub(BIGNUM *result, BIGNUM *aa, BIGNUM *bb); |
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227 int big_bitlength(BIGNUM *n); |
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228 BIG_ERR_CODE big_init1(BIGNUM *number, int size, |
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229 BIG_CHUNK_TYPE *buf, int bufsize); |
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230 BIG_ERR_CODE big_mont_mul(BIGNUM *ret, |
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231 BIGNUM *a, BIGNUM *b, BIGNUM *n, BIG_CHUNK_TYPE n0); |
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232 int big_is_zero(BIGNUM *n); |
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233 BIG_CHUNK_TYPE big_n0(BIG_CHUNK_TYPE n); |
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234 |
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235 |
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236 /* |
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237 * Kernel bignum module: module integrity test |
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238 */ |
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239 extern int bignum_fips_check(void); |
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240 |
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241 #if defined(HWCAP) |
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242 |
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243 #if (BIG_CHUNK_SIZE != 32) |
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244 #error HWCAP works only with 32-bit bignum chunks |
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245 #endif |
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246 |
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247 #define BIG_MUL_SET_VEC(r, a, len, digit) \ |
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248 (*big_mul_set_vec_impl)(r, a, len, digit) |
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249 #define BIG_MUL_ADD_VEC(r, a, len, digit) \ |
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250 (*big_mul_add_vec_impl)(r, a, len, digit) |
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251 #define BIG_MUL_VEC(r, a, alen, b, blen) \ |
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252 (*big_mul_vec_impl)(r, a, alen, b, blen) |
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253 #define BIG_SQR_VEC(r, a, len) \ |
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254 (*big_sqr_vec_impl)(r, a, len) |
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255 |
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256 extern BIG_CHUNK_TYPE (*big_mul_set_vec_impl) |
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257 (BIG_CHUNK_TYPE *r, BIG_CHUNK_TYPE *a, int len, BIG_CHUNK_TYPE digit); |
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258 extern BIG_CHUNK_TYPE (*big_mul_add_vec_impl) |
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259 (BIG_CHUNK_TYPE *r, BIG_CHUNK_TYPE *a, int len, BIG_CHUNK_TYPE digit); |
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260 extern void (*big_mul_vec_impl) |
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261 (BIG_CHUNK_TYPE *r, BIG_CHUNK_TYPE *a, int alen, BIG_CHUNK_TYPE *b, |
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262 int blen); |
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263 extern void (*big_sqr_vec_impl) |
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264 (BIG_CHUNK_TYPE *r, BIG_CHUNK_TYPE *a, int len); |
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265 |
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266 #else /* ! HWCAP */ |
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267 |
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268 #define BIG_MUL_SET_VEC(r, a, len, digit) big_mul_set_vec(r, a, len, digit) |
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269 #define BIG_MUL_ADD_VEC(r, a, len, digit) big_mul_add_vec(r, a, len, digit) |
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270 #define BIG_MUL_VEC(r, a, alen, b, blen) big_mul_vec(r, a, alen, b, blen) |
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271 #define BIG_SQR_VEC(r, a, len) big_sqr_vec(r, a, len) |
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272 |
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273 extern BIG_CHUNK_TYPE big_mul_set_vec(BIG_CHUNK_TYPE *r, BIG_CHUNK_TYPE *a, |
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274 int len, BIG_CHUNK_TYPE d); |
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275 extern BIG_CHUNK_TYPE big_mul_add_vec(BIG_CHUNK_TYPE *r, |
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276 BIG_CHUNK_TYPE *a, int len, BIG_CHUNK_TYPE d); |
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277 extern void big_mul_vec(BIG_CHUNK_TYPE *r, BIG_CHUNK_TYPE *a, int alen, |
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278 BIG_CHUNK_TYPE *b, int blen); |
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279 extern void big_sqr_vec(BIG_CHUNK_TYPE *r, BIG_CHUNK_TYPE *a, int len); |
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280 |
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281 #endif /* HWCAP */ |
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282 |
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283 #ifdef __cplusplus |
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284 } |
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285 #endif |
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286 |
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287 #endif /* _BIGNUM_H */ |
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