1 | /* hmac.c
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2 | *
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3 | * Copyright (C) 2006-2017 wolfSSL Inc.
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4 | *
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5 | * This file is part of wolfSSL.
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6 | *
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7 | * wolfSSL is free software; you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation; either version 2 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * wolfSSL is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with this program; if not, write to the Free Software
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19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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20 | */
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21 |
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22 |
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23 | #ifdef HAVE_CONFIG_H
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24 | #include <config.h>
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25 | #endif
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26 |
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27 | #include <wolfssl/wolfcrypt/settings.h>
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28 | #include <wolfssl/wolfcrypt/error-crypt.h>
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29 |
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30 | #ifndef NO_HMAC
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31 |
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32 | #if defined(HAVE_FIPS) && \
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33 | defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
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34 |
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35 | /* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
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36 | #define FIPS_NO_WRAPPERS
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37 |
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38 | #ifdef USE_WINDOWS_API
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39 | #pragma code_seg(".fipsA$b")
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40 | #pragma const_seg(".fipsB$b")
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41 | #endif
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42 | #endif
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43 |
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44 | #include <wolfssl/wolfcrypt/hmac.h>
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45 |
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46 | #ifdef NO_INLINE
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47 | #include <wolfssl/wolfcrypt/misc.h>
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48 | #else
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49 | #define WOLFSSL_MISC_INCLUDED
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50 | #include <wolfcrypt/src/misc.c>
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51 | #endif
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52 |
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53 |
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54 | /* fips wrapper calls, user can call direct */
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55 | /* If building for old FIPS. */
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56 | #if defined(HAVE_FIPS) && \
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57 | (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
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58 |
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59 | /* does init */
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60 | int wc_HmacSetKey(Hmac* hmac, int type, const byte* key, word32 keySz)
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61 | {
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62 | if (hmac == NULL || (key == NULL && keySz != 0) ||
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63 | !(type == WC_MD5 || type == WC_SHA || type == WC_SHA256 ||
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64 | type == WC_SHA384 || type == WC_SHA512 ||
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65 | type == BLAKE2B_ID)) {
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66 | return BAD_FUNC_ARG;
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67 | }
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68 |
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69 | return HmacSetKey_fips(hmac, type, key, keySz);
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70 | }
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71 | int wc_HmacUpdate(Hmac* hmac, const byte* in, word32 sz)
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72 | {
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73 | if (hmac == NULL || (in == NULL && sz > 0)) {
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74 | return BAD_FUNC_ARG;
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75 | }
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76 |
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77 | return HmacUpdate_fips(hmac, in, sz);
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78 | }
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79 | int wc_HmacFinal(Hmac* hmac, byte* out)
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80 | {
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81 | if (hmac == NULL) {
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82 | return BAD_FUNC_ARG;
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83 | }
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84 |
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85 | return HmacFinal_fips(hmac, out);
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86 | }
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87 | int wolfSSL_GetHmacMaxSize(void)
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88 | {
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89 | return CyaSSL_GetHmacMaxSize();
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90 | }
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91 |
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92 | int wc_HmacInit(Hmac* hmac, void* heap, int devId)
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93 | {
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94 | (void)hmac;
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95 | (void)heap;
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96 | (void)devId;
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97 | /* FIPS doesn't support:
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98 | return HmacInit(hmac, heap, devId); */
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99 | return 0;
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100 | }
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101 | void wc_HmacFree(Hmac* hmac)
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102 | {
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103 | (void)hmac;
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104 | /* FIPS doesn't support:
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105 | HmacFree(hmac); */
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106 | }
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107 |
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108 | #ifdef HAVE_HKDF
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109 | int wc_HKDF(int type, const byte* inKey, word32 inKeySz,
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110 | const byte* salt, word32 saltSz,
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111 | const byte* info, word32 infoSz,
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112 | byte* out, word32 outSz)
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113 | {
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114 | return HKDF(type, inKey, inKeySz, salt, saltSz,
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115 | info, infoSz, out, outSz);
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116 | }
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117 | #endif /* HAVE_HKDF */
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118 |
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119 | #else /* else build without fips, or for new fips */
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120 |
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121 |
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122 | int wc_HmacSizeByType(int type)
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123 | {
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124 | int ret;
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125 |
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126 | if (!(type == WC_MD5 || type == WC_SHA ||
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127 | type == WC_SHA224 || type == WC_SHA256 ||
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128 | type == WC_SHA384 || type == WC_SHA512 ||
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129 | type == WC_SHA3_224 || type == WC_SHA3_256 ||
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130 | type == WC_SHA3_384 || type == WC_SHA3_512 ||
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131 | type == BLAKE2B_ID)) {
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132 | return BAD_FUNC_ARG;
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133 | }
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134 |
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135 | switch (type) {
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136 | #ifndef NO_MD5
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137 | case WC_MD5:
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138 | ret = WC_MD5_DIGEST_SIZE;
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139 | break;
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140 | #endif /* !NO_MD5 */
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141 |
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142 | #ifndef NO_SHA
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143 | case WC_SHA:
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144 | ret = WC_SHA_DIGEST_SIZE;
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145 | break;
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146 | #endif /* !NO_SHA */
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147 |
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148 | #ifdef WOLFSSL_SHA224
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149 | case WC_SHA224:
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150 | ret = WC_SHA224_DIGEST_SIZE;
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151 | break;
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152 | #endif /* WOLFSSL_SHA224 */
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153 |
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154 | #ifndef NO_SHA256
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155 | case WC_SHA256:
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156 | ret = WC_SHA256_DIGEST_SIZE;
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157 | break;
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158 | #endif /* !NO_SHA256 */
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159 |
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160 | #ifdef WOLFSSL_SHA384
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161 | case WC_SHA384:
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162 | ret = WC_SHA384_DIGEST_SIZE;
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163 | break;
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164 | #endif /* WOLFSSL_SHA384 */
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165 | #ifdef WOLFSSL_SHA512
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166 | case WC_SHA512:
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167 | ret = WC_SHA512_DIGEST_SIZE;
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168 | break;
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169 | #endif /* WOLFSSL_SHA512 */
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170 |
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171 | #ifdef HAVE_BLAKE2
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172 | case BLAKE2B_ID:
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173 | ret = BLAKE2B_OUTBYTES;
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174 | break;
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175 | #endif /* HAVE_BLAKE2 */
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176 |
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177 | #ifdef WOLFSSL_SHA3
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178 | case WC_SHA3_224:
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179 | ret = WC_SHA3_224_DIGEST_SIZE;
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180 | break;
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181 |
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182 | case WC_SHA3_256:
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183 | ret = WC_SHA3_256_DIGEST_SIZE;
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184 | break;
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185 |
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186 | case WC_SHA3_384:
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187 | ret = WC_SHA3_384_DIGEST_SIZE;
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188 | break;
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189 |
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190 | case WC_SHA3_512:
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191 | ret = WC_SHA3_512_DIGEST_SIZE;
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192 | break;
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193 |
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194 | #endif
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195 |
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196 | default:
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197 | ret = BAD_FUNC_ARG;
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198 | break;
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199 | }
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200 |
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201 | return ret;
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202 | }
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203 |
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204 | int _InitHmac(Hmac* hmac, int type, void* heap)
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205 | {
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206 | int ret = 0;
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207 |
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208 | switch (type) {
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209 | #ifndef NO_MD5
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210 | case WC_MD5:
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211 | ret = wc_InitMd5(&hmac->hash.md5);
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212 | break;
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213 | #endif /* !NO_MD5 */
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214 |
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215 | #ifndef NO_SHA
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216 | case WC_SHA:
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217 | ret = wc_InitSha(&hmac->hash.sha);
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218 | break;
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219 | #endif /* !NO_SHA */
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220 |
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221 | #ifdef WOLFSSL_SHA224
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222 | case WC_SHA224:
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223 | ret = wc_InitSha224(&hmac->hash.sha224);
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224 | break;
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225 | #endif /* WOLFSSL_SHA224 */
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226 |
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227 | #ifndef NO_SHA256
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228 | case WC_SHA256:
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229 | ret = wc_InitSha256(&hmac->hash.sha256);
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230 | break;
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231 | #endif /* !NO_SHA256 */
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232 |
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233 | #ifdef WOLFSSL_SHA384
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234 | case WC_SHA384:
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235 | ret = wc_InitSha384(&hmac->hash.sha384);
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236 | break;
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237 | #endif /* WOLFSSL_SHA384 */
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238 | #ifdef WOLFSSL_SHA512
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239 | case WC_SHA512:
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240 | ret = wc_InitSha512(&hmac->hash.sha512);
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241 | break;
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242 | #endif /* WOLFSSL_SHA512 */
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243 |
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244 | #ifdef HAVE_BLAKE2
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245 | case BLAKE2B_ID:
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246 | ret = wc_InitBlake2b(&hmac->hash.blake2b, BLAKE2B_256);
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247 | break;
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248 | #endif /* HAVE_BLAKE2 */
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249 |
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250 | #ifdef WOLFSSL_SHA3
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251 | case WC_SHA3_224:
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252 | ret = wc_InitSha3_224(&hmac->hash.sha3, heap, INVALID_DEVID);
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253 | break;
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254 | case WC_SHA3_256:
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255 | ret = wc_InitSha3_256(&hmac->hash.sha3, heap, INVALID_DEVID);
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256 | break;
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257 | case WC_SHA3_384:
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258 | ret = wc_InitSha3_384(&hmac->hash.sha3, heap, INVALID_DEVID);
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259 | break;
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260 | case WC_SHA3_512:
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261 | ret = wc_InitSha3_512(&hmac->hash.sha3, heap, INVALID_DEVID);
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262 | break;
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263 | #endif
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264 |
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265 | default:
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266 | ret = BAD_FUNC_ARG;
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267 | break;
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268 | }
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269 |
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270 | /* default to NULL heap hint or test value */
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271 | #ifdef WOLFSSL_HEAP_TEST
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272 | hmac->heap = (void)WOLFSSL_HEAP_TEST;
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273 | #else
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274 | hmac->heap = heap;
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275 | #endif /* WOLFSSL_HEAP_TEST */
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276 |
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277 | return ret;
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278 | }
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279 |
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280 |
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281 | int wc_HmacSetKey(Hmac* hmac, int type, const byte* key, word32 length)
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282 | {
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283 | byte* ip;
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284 | byte* op;
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285 | word32 i, hmac_block_size = 0;
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286 | int ret = 0;
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287 | void* heap = NULL;
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288 |
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289 | if (hmac == NULL || (key == NULL && length != 0) ||
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290 | !(type == WC_MD5 || type == WC_SHA ||
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291 | type == WC_SHA224 || type == WC_SHA256 ||
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292 | type == WC_SHA384 || type == WC_SHA512 ||
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293 | type == WC_SHA3_224 || type == WC_SHA3_256 ||
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294 | type == WC_SHA3_384 || type == WC_SHA3_512 ||
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295 | type == BLAKE2B_ID)) {
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296 | return BAD_FUNC_ARG;
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297 | }
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298 |
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299 | /* if set key has already been run then make sure and free existing */
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300 | if (hmac->macType != 0) {
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301 | wc_HmacFree(hmac);
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302 | }
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303 |
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304 | hmac->innerHashKeyed = 0;
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305 | hmac->macType = (byte)type;
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306 |
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307 | ret = _InitHmac(hmac, type, heap);
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308 | if (ret != 0)
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309 | return ret;
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310 |
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311 | #ifdef HAVE_FIPS
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312 | if (length < HMAC_FIPS_MIN_KEY)
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313 | return HMAC_MIN_KEYLEN_E;
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314 | #endif
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315 |
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316 | ip = (byte*)hmac->ipad;
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317 | op = (byte*)hmac->opad;
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318 |
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319 | switch (hmac->macType) {
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320 | #ifndef NO_MD5
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321 | case WC_MD5:
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322 | hmac_block_size = WC_MD5_BLOCK_SIZE;
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323 | if (length <= WC_MD5_BLOCK_SIZE) {
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324 | if (key != NULL) {
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325 | XMEMCPY(ip, key, length);
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326 | }
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327 | }
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328 | else {
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329 | ret = wc_Md5Update(&hmac->hash.md5, key, length);
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330 | if (ret != 0)
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331 | break;
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332 | ret = wc_Md5Final(&hmac->hash.md5, ip);
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333 | if (ret != 0)
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334 | break;
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335 | length = WC_MD5_DIGEST_SIZE;
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336 | }
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337 | break;
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338 | #endif /* !NO_MD5 */
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339 |
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340 | #ifndef NO_SHA
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341 | case WC_SHA:
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342 | hmac_block_size = WC_SHA_BLOCK_SIZE;
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343 | if (length <= WC_SHA_BLOCK_SIZE) {
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344 | if (key != NULL) {
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345 | XMEMCPY(ip, key, length);
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346 | }
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347 | }
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348 | else {
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349 | ret = wc_ShaUpdate(&hmac->hash.sha, key, length);
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350 | if (ret != 0)
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351 | break;
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352 | ret = wc_ShaFinal(&hmac->hash.sha, ip);
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353 | if (ret != 0)
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354 | break;
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355 |
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356 | length = WC_SHA_DIGEST_SIZE;
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357 | }
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358 | break;
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359 | #endif /* !NO_SHA */
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360 |
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361 | #ifdef WOLFSSL_SHA224
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362 | case WC_SHA224:
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363 | {
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364 | hmac_block_size = WC_SHA224_BLOCK_SIZE;
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365 | if (length <= WC_SHA224_BLOCK_SIZE) {
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366 | if (key != NULL) {
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367 | XMEMCPY(ip, key, length);
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368 | }
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369 | }
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370 | else {
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371 | ret = wc_Sha224Update(&hmac->hash.sha224, key, length);
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372 | if (ret != 0)
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373 | break;
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374 | ret = wc_Sha224Final(&hmac->hash.sha224, ip);
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375 | if (ret != 0)
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376 | break;
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377 |
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378 | length = WC_SHA224_DIGEST_SIZE;
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379 | }
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380 | }
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381 | break;
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382 | #endif /* WOLFSSL_SHA224 */
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383 |
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384 | #ifndef NO_SHA256
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385 | case WC_SHA256:
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386 | hmac_block_size = WC_SHA256_BLOCK_SIZE;
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387 | if (length <= WC_SHA256_BLOCK_SIZE) {
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388 | if (key != NULL) {
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389 | XMEMCPY(ip, key, length);
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390 | }
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391 | }
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392 | else {
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393 | ret = wc_Sha256Update(&hmac->hash.sha256, key, length);
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394 | if (ret != 0)
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395 | break;
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396 | ret = wc_Sha256Final(&hmac->hash.sha256, ip);
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397 | if (ret != 0)
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398 | break;
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399 |
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400 | length = WC_SHA256_DIGEST_SIZE;
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401 | }
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402 | break;
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403 | #endif /* !NO_SHA256 */
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404 |
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405 | #ifdef WOLFSSL_SHA384
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406 | case WC_SHA384:
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407 | hmac_block_size = WC_SHA384_BLOCK_SIZE;
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408 | if (length <= WC_SHA384_BLOCK_SIZE) {
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409 | if (key != NULL) {
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410 | XMEMCPY(ip, key, length);
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411 | }
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412 | }
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413 | else {
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414 | ret = wc_Sha384Update(&hmac->hash.sha384, key, length);
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415 | if (ret != 0)
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416 | break;
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417 | ret = wc_Sha384Final(&hmac->hash.sha384, ip);
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418 | if (ret != 0)
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419 | break;
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420 |
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421 | length = WC_SHA384_DIGEST_SIZE;
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422 | }
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423 | break;
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424 | #endif /* WOLFSSL_SHA384 */
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425 | #ifdef WOLFSSL_SHA512
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426 | case WC_SHA512:
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427 | hmac_block_size = WC_SHA512_BLOCK_SIZE;
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428 | if (length <= WC_SHA512_BLOCK_SIZE) {
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429 | if (key != NULL) {
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430 | XMEMCPY(ip, key, length);
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431 | }
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432 | }
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433 | else {
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434 | ret = wc_Sha512Update(&hmac->hash.sha512, key, length);
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435 | if (ret != 0)
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436 | break;
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437 | ret = wc_Sha512Final(&hmac->hash.sha512, ip);
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438 | if (ret != 0)
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439 | break;
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440 |
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441 | length = WC_SHA512_DIGEST_SIZE;
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442 | }
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443 | break;
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444 | #endif /* WOLFSSL_SHA512 */
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445 |
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446 | #ifdef HAVE_BLAKE2
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447 | case BLAKE2B_ID:
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448 | hmac_block_size = BLAKE2B_BLOCKBYTES;
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449 | if (length <= BLAKE2B_BLOCKBYTES) {
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450 | if (key != NULL) {
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451 | XMEMCPY(ip, key, length);
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452 | }
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453 | }
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454 | else {
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455 | ret = wc_Blake2bUpdate(&hmac->hash.blake2b, key, length);
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456 | if (ret != 0)
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457 | break;
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458 | ret = wc_Blake2bFinal(&hmac->hash.blake2b, ip, BLAKE2B_256);
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459 | if (ret != 0)
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460 | break;
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461 |
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462 | length = BLAKE2B_256;
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463 | }
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464 | break;
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465 | #endif /* HAVE_BLAKE2 */
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466 |
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467 | #ifdef WOLFSSL_SHA3
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468 | case WC_SHA3_224:
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469 | hmac_block_size = WC_SHA3_224_BLOCK_SIZE;
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470 | if (length <= WC_SHA3_224_BLOCK_SIZE) {
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471 | if (key != NULL) {
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472 | XMEMCPY(ip, key, length);
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473 | }
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---|
474 | }
|
---|
475 | else {
|
---|
476 | ret = wc_Sha3_224_Update(&hmac->hash.sha3, key, length);
|
---|
477 | if (ret != 0)
|
---|
478 | break;
|
---|
479 | ret = wc_Sha3_224_Final(&hmac->hash.sha3, ip);
|
---|
480 | if (ret != 0)
|
---|
481 | break;
|
---|
482 |
|
---|
483 | length = WC_SHA3_224_DIGEST_SIZE;
|
---|
484 | }
|
---|
485 | break;
|
---|
486 | case WC_SHA3_256:
|
---|
487 | hmac_block_size = WC_SHA3_256_BLOCK_SIZE;
|
---|
488 | if (length <= WC_SHA3_256_BLOCK_SIZE) {
|
---|
489 | if (key != NULL) {
|
---|
490 | XMEMCPY(ip, key, length);
|
---|
491 | }
|
---|
492 | }
|
---|
493 | else {
|
---|
494 | ret = wc_Sha3_256_Update(&hmac->hash.sha3, key, length);
|
---|
495 | if (ret != 0)
|
---|
496 | break;
|
---|
497 | ret = wc_Sha3_256_Final(&hmac->hash.sha3, ip);
|
---|
498 | if (ret != 0)
|
---|
499 | break;
|
---|
500 |
|
---|
501 | length = WC_SHA3_256_DIGEST_SIZE;
|
---|
502 | }
|
---|
503 | break;
|
---|
504 | case WC_SHA3_384:
|
---|
505 | hmac_block_size = WC_SHA3_384_BLOCK_SIZE;
|
---|
506 | if (length <= WC_SHA3_384_BLOCK_SIZE) {
|
---|
507 | if (key != NULL) {
|
---|
508 | XMEMCPY(ip, key, length);
|
---|
509 | }
|
---|
510 | }
|
---|
511 | else {
|
---|
512 | ret = wc_Sha3_384_Update(&hmac->hash.sha3, key, length);
|
---|
513 | if (ret != 0)
|
---|
514 | break;
|
---|
515 | ret = wc_Sha3_384_Final(&hmac->hash.sha3, ip);
|
---|
516 | if (ret != 0)
|
---|
517 | break;
|
---|
518 |
|
---|
519 | length = WC_SHA3_384_DIGEST_SIZE;
|
---|
520 | }
|
---|
521 | break;
|
---|
522 | case WC_SHA3_512:
|
---|
523 | hmac_block_size = WC_SHA3_512_BLOCK_SIZE;
|
---|
524 | if (length <= WC_SHA3_512_BLOCK_SIZE) {
|
---|
525 | if (key != NULL) {
|
---|
526 | XMEMCPY(ip, key, length);
|
---|
527 | }
|
---|
528 | }
|
---|
529 | else {
|
---|
530 | ret = wc_Sha3_512_Update(&hmac->hash.sha3, key, length);
|
---|
531 | if (ret != 0)
|
---|
532 | break;
|
---|
533 | ret = wc_Sha3_512_Final(&hmac->hash.sha3, ip);
|
---|
534 | if (ret != 0)
|
---|
535 | break;
|
---|
536 |
|
---|
537 | length = WC_SHA3_512_DIGEST_SIZE;
|
---|
538 | }
|
---|
539 | break;
|
---|
540 | #endif /* WOLFSSL_SHA3 */
|
---|
541 |
|
---|
542 | default:
|
---|
543 | return BAD_FUNC_ARG;
|
---|
544 | }
|
---|
545 |
|
---|
546 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
---|
547 | if (hmac->asyncDev.marker == WOLFSSL_ASYNC_MARKER_HMAC) {
|
---|
548 | #if defined(HAVE_INTEL_QA) || defined(HAVE_CAVIUM)
|
---|
549 | #ifdef HAVE_INTEL_QA
|
---|
550 | if (IntelQaHmacGetType(hmac->macType, NULL) == 0)
|
---|
551 | #endif
|
---|
552 | {
|
---|
553 | if (length > hmac_block_size)
|
---|
554 | length = hmac_block_size;
|
---|
555 | /* update key length */
|
---|
556 | hmac->keyLen = (word16)length;
|
---|
557 |
|
---|
558 | return ret;
|
---|
559 | }
|
---|
560 | /* no need to pad below */
|
---|
561 | #endif
|
---|
562 | }
|
---|
563 | #endif
|
---|
564 |
|
---|
565 | if (ret == 0) {
|
---|
566 | if (length < hmac_block_size)
|
---|
567 | XMEMSET(ip + length, 0, hmac_block_size - length);
|
---|
568 |
|
---|
569 | for(i = 0; i < hmac_block_size; i++) {
|
---|
570 | op[i] = ip[i] ^ OPAD;
|
---|
571 | ip[i] ^= IPAD;
|
---|
572 | }
|
---|
573 | }
|
---|
574 |
|
---|
575 | return ret;
|
---|
576 | }
|
---|
577 |
|
---|
578 |
|
---|
579 | static int HmacKeyInnerHash(Hmac* hmac)
|
---|
580 | {
|
---|
581 | int ret = 0;
|
---|
582 |
|
---|
583 | switch (hmac->macType) {
|
---|
584 | #ifndef NO_MD5
|
---|
585 | case WC_MD5:
|
---|
586 | ret = wc_Md5Update(&hmac->hash.md5, (byte*)hmac->ipad,
|
---|
587 | WC_MD5_BLOCK_SIZE);
|
---|
588 | break;
|
---|
589 | #endif /* !NO_MD5 */
|
---|
590 |
|
---|
591 | #ifndef NO_SHA
|
---|
592 | case WC_SHA:
|
---|
593 | ret = wc_ShaUpdate(&hmac->hash.sha, (byte*)hmac->ipad,
|
---|
594 | WC_SHA_BLOCK_SIZE);
|
---|
595 | break;
|
---|
596 | #endif /* !NO_SHA */
|
---|
597 |
|
---|
598 | #ifdef WOLFSSL_SHA224
|
---|
599 | case WC_SHA224:
|
---|
600 | ret = wc_Sha224Update(&hmac->hash.sha224, (byte*)hmac->ipad,
|
---|
601 | WC_SHA224_BLOCK_SIZE);
|
---|
602 | break;
|
---|
603 | #endif /* WOLFSSL_SHA224 */
|
---|
604 |
|
---|
605 | #ifndef NO_SHA256
|
---|
606 | case WC_SHA256:
|
---|
607 | ret = wc_Sha256Update(&hmac->hash.sha256, (byte*)hmac->ipad,
|
---|
608 | WC_SHA256_BLOCK_SIZE);
|
---|
609 | break;
|
---|
610 | #endif /* !NO_SHA256 */
|
---|
611 |
|
---|
612 | #ifdef WOLFSSL_SHA384
|
---|
613 | case WC_SHA384:
|
---|
614 | ret = wc_Sha384Update(&hmac->hash.sha384, (byte*)hmac->ipad,
|
---|
615 | WC_SHA384_BLOCK_SIZE);
|
---|
616 | break;
|
---|
617 | #endif /* WOLFSSL_SHA384 */
|
---|
618 | #ifdef WOLFSSL_SHA512
|
---|
619 | case WC_SHA512:
|
---|
620 | ret = wc_Sha512Update(&hmac->hash.sha512, (byte*)hmac->ipad,
|
---|
621 | WC_SHA512_BLOCK_SIZE);
|
---|
622 | break;
|
---|
623 | #endif /* WOLFSSL_SHA512 */
|
---|
624 |
|
---|
625 | #ifdef HAVE_BLAKE2
|
---|
626 | case BLAKE2B_ID:
|
---|
627 | ret = wc_Blake2bUpdate(&hmac->hash.blake2b, (byte*)hmac->ipad,
|
---|
628 | BLAKE2B_BLOCKBYTES);
|
---|
629 | break;
|
---|
630 | #endif /* HAVE_BLAKE2 */
|
---|
631 |
|
---|
632 | #ifdef WOLFSSL_SHA3
|
---|
633 | case WC_SHA3_224:
|
---|
634 | ret = wc_Sha3_224_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
|
---|
635 | WC_SHA3_224_BLOCK_SIZE);
|
---|
636 | break;
|
---|
637 | case WC_SHA3_256:
|
---|
638 | ret = wc_Sha3_256_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
|
---|
639 | WC_SHA3_256_BLOCK_SIZE);
|
---|
640 | break;
|
---|
641 | case WC_SHA3_384:
|
---|
642 | ret = wc_Sha3_384_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
|
---|
643 | WC_SHA3_384_BLOCK_SIZE);
|
---|
644 | break;
|
---|
645 | case WC_SHA3_512:
|
---|
646 | ret = wc_Sha3_512_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
|
---|
647 | WC_SHA3_512_BLOCK_SIZE);
|
---|
648 | break;
|
---|
649 | #endif /* WOLFSSL_SHA3 */
|
---|
650 |
|
---|
651 | default:
|
---|
652 | break;
|
---|
653 | }
|
---|
654 |
|
---|
655 | if (ret == 0)
|
---|
656 | hmac->innerHashKeyed = 1;
|
---|
657 |
|
---|
658 | return ret;
|
---|
659 | }
|
---|
660 |
|
---|
661 |
|
---|
662 | int wc_HmacUpdate(Hmac* hmac, const byte* msg, word32 length)
|
---|
663 | {
|
---|
664 | int ret = 0;
|
---|
665 |
|
---|
666 | if (hmac == NULL || (msg == NULL && length > 0)) {
|
---|
667 | return BAD_FUNC_ARG;
|
---|
668 | }
|
---|
669 |
|
---|
670 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
---|
671 | if (hmac->asyncDev.marker == WOLFSSL_ASYNC_MARKER_HMAC) {
|
---|
672 | #if defined(HAVE_CAVIUM)
|
---|
673 | return NitroxHmacUpdate(hmac, msg, length);
|
---|
674 | #elif defined(HAVE_INTEL_QA)
|
---|
675 | if (IntelQaHmacGetType(hmac->macType, NULL) == 0) {
|
---|
676 | return IntelQaHmac(&hmac->asyncDev, hmac->macType,
|
---|
677 | (byte*)hmac->ipad, hmac->keyLen, NULL, msg, length);
|
---|
678 | }
|
---|
679 | #endif
|
---|
680 | }
|
---|
681 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
682 |
|
---|
683 | if (!hmac->innerHashKeyed) {
|
---|
684 | ret = HmacKeyInnerHash(hmac);
|
---|
685 | if (ret != 0)
|
---|
686 | return ret;
|
---|
687 | }
|
---|
688 |
|
---|
689 | switch (hmac->macType) {
|
---|
690 | #ifndef NO_MD5
|
---|
691 | case WC_MD5:
|
---|
692 | ret = wc_Md5Update(&hmac->hash.md5, msg, length);
|
---|
693 | break;
|
---|
694 | #endif /* !NO_MD5 */
|
---|
695 |
|
---|
696 | #ifndef NO_SHA
|
---|
697 | case WC_SHA:
|
---|
698 | ret = wc_ShaUpdate(&hmac->hash.sha, msg, length);
|
---|
699 | break;
|
---|
700 | #endif /* !NO_SHA */
|
---|
701 |
|
---|
702 | #ifdef WOLFSSL_SHA224
|
---|
703 | case WC_SHA224:
|
---|
704 | ret = wc_Sha224Update(&hmac->hash.sha224, msg, length);
|
---|
705 | break;
|
---|
706 | #endif /* WOLFSSL_SHA224 */
|
---|
707 |
|
---|
708 | #ifndef NO_SHA256
|
---|
709 | case WC_SHA256:
|
---|
710 | ret = wc_Sha256Update(&hmac->hash.sha256, msg, length);
|
---|
711 | break;
|
---|
712 | #endif /* !NO_SHA256 */
|
---|
713 |
|
---|
714 | #ifdef WOLFSSL_SHA384
|
---|
715 | case WC_SHA384:
|
---|
716 | ret = wc_Sha384Update(&hmac->hash.sha384, msg, length);
|
---|
717 | break;
|
---|
718 | #endif /* WOLFSSL_SHA384 */
|
---|
719 | #ifdef WOLFSSL_SHA512
|
---|
720 | case WC_SHA512:
|
---|
721 | ret = wc_Sha512Update(&hmac->hash.sha512, msg, length);
|
---|
722 | break;
|
---|
723 | #endif /* WOLFSSL_SHA512 */
|
---|
724 |
|
---|
725 | #ifdef HAVE_BLAKE2
|
---|
726 | case BLAKE2B_ID:
|
---|
727 | ret = wc_Blake2bUpdate(&hmac->hash.blake2b, msg, length);
|
---|
728 | break;
|
---|
729 | #endif /* HAVE_BLAKE2 */
|
---|
730 |
|
---|
731 | #ifdef WOLFSSL_SHA3
|
---|
732 | case WC_SHA3_224:
|
---|
733 | ret = wc_Sha3_224_Update(&hmac->hash.sha3, msg, length);
|
---|
734 | break;
|
---|
735 | case WC_SHA3_256:
|
---|
736 | ret = wc_Sha3_256_Update(&hmac->hash.sha3, msg, length);
|
---|
737 | break;
|
---|
738 | case WC_SHA3_384:
|
---|
739 | ret = wc_Sha3_384_Update(&hmac->hash.sha3, msg, length);
|
---|
740 | break;
|
---|
741 | case WC_SHA3_512:
|
---|
742 | ret = wc_Sha3_512_Update(&hmac->hash.sha3, msg, length);
|
---|
743 | break;
|
---|
744 | #endif /* WOLFSSL_SHA3 */
|
---|
745 |
|
---|
746 | default:
|
---|
747 | break;
|
---|
748 | }
|
---|
749 |
|
---|
750 | return ret;
|
---|
751 | }
|
---|
752 |
|
---|
753 |
|
---|
754 | int wc_HmacFinal(Hmac* hmac, byte* hash)
|
---|
755 | {
|
---|
756 | int ret;
|
---|
757 |
|
---|
758 | if (hmac == NULL || hash == NULL) {
|
---|
759 | return BAD_FUNC_ARG;
|
---|
760 | }
|
---|
761 |
|
---|
762 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
---|
763 | if (hmac->asyncDev.marker == WOLFSSL_ASYNC_MARKER_HMAC) {
|
---|
764 | int hashLen = wc_HmacSizeByType(hmac->macType);
|
---|
765 | if (hashLen <= 0)
|
---|
766 | return hashLen;
|
---|
767 |
|
---|
768 | #if defined(HAVE_CAVIUM)
|
---|
769 | return NitroxHmacFinal(hmac, hash, hashLen);
|
---|
770 | #elif defined(HAVE_INTEL_QA)
|
---|
771 | if (IntelQaHmacGetType(hmac->macType, NULL) == 0) {
|
---|
772 | return IntelQaHmac(&hmac->asyncDev, hmac->macType,
|
---|
773 | (byte*)hmac->ipad, hmac->keyLen, hash, NULL, hashLen);
|
---|
774 | }
|
---|
775 | #endif
|
---|
776 | }
|
---|
777 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
778 |
|
---|
779 | if (!hmac->innerHashKeyed) {
|
---|
780 | ret = HmacKeyInnerHash(hmac);
|
---|
781 | if (ret != 0)
|
---|
782 | return ret;
|
---|
783 | }
|
---|
784 |
|
---|
785 | switch (hmac->macType) {
|
---|
786 | #ifndef NO_MD5
|
---|
787 | case WC_MD5:
|
---|
788 | ret = wc_Md5Final(&hmac->hash.md5, (byte*)hmac->innerHash);
|
---|
789 | if (ret != 0)
|
---|
790 | break;
|
---|
791 | ret = wc_Md5Update(&hmac->hash.md5, (byte*)hmac->opad,
|
---|
792 | WC_MD5_BLOCK_SIZE);
|
---|
793 | if (ret != 0)
|
---|
794 | break;
|
---|
795 | ret = wc_Md5Update(&hmac->hash.md5, (byte*)hmac->innerHash,
|
---|
796 | WC_MD5_DIGEST_SIZE);
|
---|
797 | if (ret != 0)
|
---|
798 | break;
|
---|
799 | ret = wc_Md5Final(&hmac->hash.md5, hash);
|
---|
800 | break;
|
---|
801 | #endif /* !NO_MD5 */
|
---|
802 |
|
---|
803 | #ifndef NO_SHA
|
---|
804 | case WC_SHA:
|
---|
805 | ret = wc_ShaFinal(&hmac->hash.sha, (byte*)hmac->innerHash);
|
---|
806 | if (ret != 0)
|
---|
807 | break;
|
---|
808 | ret = wc_ShaUpdate(&hmac->hash.sha, (byte*)hmac->opad,
|
---|
809 | WC_SHA_BLOCK_SIZE);
|
---|
810 | if (ret != 0)
|
---|
811 | break;
|
---|
812 | ret = wc_ShaUpdate(&hmac->hash.sha, (byte*)hmac->innerHash,
|
---|
813 | WC_SHA_DIGEST_SIZE);
|
---|
814 | if (ret != 0)
|
---|
815 | break;
|
---|
816 | ret = wc_ShaFinal(&hmac->hash.sha, hash);
|
---|
817 | break;
|
---|
818 | #endif /* !NO_SHA */
|
---|
819 |
|
---|
820 | #ifdef WOLFSSL_SHA224
|
---|
821 | case WC_SHA224:
|
---|
822 | {
|
---|
823 | ret = wc_Sha224Final(&hmac->hash.sha224, (byte*)hmac->innerHash);
|
---|
824 | if (ret != 0)
|
---|
825 | break;
|
---|
826 | ret = wc_Sha224Update(&hmac->hash.sha224, (byte*)hmac->opad,
|
---|
827 | WC_SHA224_BLOCK_SIZE);
|
---|
828 | if (ret != 0)
|
---|
829 | break;
|
---|
830 | ret = wc_Sha224Update(&hmac->hash.sha224, (byte*)hmac->innerHash,
|
---|
831 | WC_SHA224_DIGEST_SIZE);
|
---|
832 | if (ret != 0)
|
---|
833 | break;
|
---|
834 | ret = wc_Sha224Final(&hmac->hash.sha224, hash);
|
---|
835 | if (ret != 0)
|
---|
836 | break;
|
---|
837 | }
|
---|
838 | break;
|
---|
839 | #endif /* WOLFSSL_SHA224 */
|
---|
840 |
|
---|
841 | #ifndef NO_SHA256
|
---|
842 | case WC_SHA256:
|
---|
843 | ret = wc_Sha256Final(&hmac->hash.sha256, (byte*)hmac->innerHash);
|
---|
844 | if (ret != 0)
|
---|
845 | break;
|
---|
846 | ret = wc_Sha256Update(&hmac->hash.sha256, (byte*)hmac->opad,
|
---|
847 | WC_SHA256_BLOCK_SIZE);
|
---|
848 | if (ret != 0)
|
---|
849 | break;
|
---|
850 | ret = wc_Sha256Update(&hmac->hash.sha256, (byte*)hmac->innerHash,
|
---|
851 | WC_SHA256_DIGEST_SIZE);
|
---|
852 | if (ret != 0)
|
---|
853 | break;
|
---|
854 | ret = wc_Sha256Final(&hmac->hash.sha256, hash);
|
---|
855 | break;
|
---|
856 | #endif /* !NO_SHA256 */
|
---|
857 |
|
---|
858 | #ifdef WOLFSSL_SHA384
|
---|
859 | case WC_SHA384:
|
---|
860 | ret = wc_Sha384Final(&hmac->hash.sha384, (byte*)hmac->innerHash);
|
---|
861 | if (ret != 0)
|
---|
862 | break;
|
---|
863 | ret = wc_Sha384Update(&hmac->hash.sha384, (byte*)hmac->opad,
|
---|
864 | WC_SHA384_BLOCK_SIZE);
|
---|
865 | if (ret != 0)
|
---|
866 | break;
|
---|
867 | ret = wc_Sha384Update(&hmac->hash.sha384, (byte*)hmac->innerHash,
|
---|
868 | WC_SHA384_DIGEST_SIZE);
|
---|
869 | if (ret != 0)
|
---|
870 | break;
|
---|
871 | ret = wc_Sha384Final(&hmac->hash.sha384, hash);
|
---|
872 | break;
|
---|
873 | #endif /* WOLFSSL_SHA384 */
|
---|
874 | #ifdef WOLFSSL_SHA512
|
---|
875 | case WC_SHA512:
|
---|
876 | ret = wc_Sha512Final(&hmac->hash.sha512, (byte*)hmac->innerHash);
|
---|
877 | if (ret != 0)
|
---|
878 | break;
|
---|
879 | ret = wc_Sha512Update(&hmac->hash.sha512, (byte*)hmac->opad,
|
---|
880 | WC_SHA512_BLOCK_SIZE);
|
---|
881 | if (ret != 0)
|
---|
882 | break;
|
---|
883 | ret = wc_Sha512Update(&hmac->hash.sha512, (byte*)hmac->innerHash,
|
---|
884 | WC_SHA512_DIGEST_SIZE);
|
---|
885 | if (ret != 0)
|
---|
886 | break;
|
---|
887 | ret = wc_Sha512Final(&hmac->hash.sha512, hash);
|
---|
888 | break;
|
---|
889 | #endif /* WOLFSSL_SHA512 */
|
---|
890 |
|
---|
891 | #ifdef HAVE_BLAKE2
|
---|
892 | case BLAKE2B_ID:
|
---|
893 | ret = wc_Blake2bFinal(&hmac->hash.blake2b, (byte*)hmac->innerHash,
|
---|
894 | BLAKE2B_256);
|
---|
895 | if (ret != 0)
|
---|
896 | break;
|
---|
897 | ret = wc_Blake2bUpdate(&hmac->hash.blake2b, (byte*)hmac->opad,
|
---|
898 | BLAKE2B_BLOCKBYTES);
|
---|
899 | if (ret != 0)
|
---|
900 | break;
|
---|
901 | ret = wc_Blake2bUpdate(&hmac->hash.blake2b, (byte*)hmac->innerHash,
|
---|
902 | BLAKE2B_256);
|
---|
903 | if (ret != 0)
|
---|
904 | break;
|
---|
905 | ret = wc_Blake2bFinal(&hmac->hash.blake2b, hash, BLAKE2B_256);
|
---|
906 | break;
|
---|
907 | #endif /* HAVE_BLAKE2 */
|
---|
908 |
|
---|
909 | #ifdef WOLFSSL_SHA3
|
---|
910 | case WC_SHA3_224:
|
---|
911 | ret = wc_Sha3_224_Final(&hmac->hash.sha3, (byte*)hmac->innerHash);
|
---|
912 | if (ret != 0)
|
---|
913 | break;
|
---|
914 | ret = wc_Sha3_224_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
---|
915 | WC_SHA3_224_BLOCK_SIZE);
|
---|
916 | if (ret != 0)
|
---|
917 | break;
|
---|
918 | ret = wc_Sha3_224_Update(&hmac->hash.sha3, (byte*)hmac->innerHash,
|
---|
919 | WC_SHA3_224_DIGEST_SIZE);
|
---|
920 | if (ret != 0)
|
---|
921 | break;
|
---|
922 | ret = wc_Sha3_224_Final(&hmac->hash.sha3, hash);
|
---|
923 | break;
|
---|
924 | case WC_SHA3_256:
|
---|
925 | ret = wc_Sha3_256_Final(&hmac->hash.sha3, (byte*)hmac->innerHash);
|
---|
926 | if (ret != 0)
|
---|
927 | break;
|
---|
928 | ret = wc_Sha3_256_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
---|
929 | WC_SHA3_256_BLOCK_SIZE);
|
---|
930 | if (ret != 0)
|
---|
931 | break;
|
---|
932 | ret = wc_Sha3_256_Update(&hmac->hash.sha3, (byte*)hmac->innerHash,
|
---|
933 | WC_SHA3_256_DIGEST_SIZE);
|
---|
934 | if (ret != 0)
|
---|
935 | break;
|
---|
936 | ret = wc_Sha3_256_Final(&hmac->hash.sha3, hash);
|
---|
937 | break;
|
---|
938 | case WC_SHA3_384:
|
---|
939 | ret = wc_Sha3_384_Final(&hmac->hash.sha3, (byte*)hmac->innerHash);
|
---|
940 | if (ret != 0)
|
---|
941 | break;
|
---|
942 | ret = wc_Sha3_384_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
---|
943 | WC_SHA3_384_BLOCK_SIZE);
|
---|
944 | if (ret != 0)
|
---|
945 | break;
|
---|
946 | ret = wc_Sha3_384_Update(&hmac->hash.sha3, (byte*)hmac->innerHash,
|
---|
947 | WC_SHA3_384_DIGEST_SIZE);
|
---|
948 | if (ret != 0)
|
---|
949 | break;
|
---|
950 | ret = wc_Sha3_384_Final(&hmac->hash.sha3, hash);
|
---|
951 | break;
|
---|
952 | case WC_SHA3_512:
|
---|
953 | ret = wc_Sha3_512_Final(&hmac->hash.sha3, (byte*)hmac->innerHash);
|
---|
954 | if (ret != 0)
|
---|
955 | break;
|
---|
956 | ret = wc_Sha3_512_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
---|
957 | WC_SHA3_512_BLOCK_SIZE);
|
---|
958 | if (ret != 0)
|
---|
959 | break;
|
---|
960 | ret = wc_Sha3_512_Update(&hmac->hash.sha3, (byte*)hmac->innerHash,
|
---|
961 | WC_SHA3_512_DIGEST_SIZE);
|
---|
962 | if (ret != 0)
|
---|
963 | break;
|
---|
964 | ret = wc_Sha3_512_Final(&hmac->hash.sha3, hash);
|
---|
965 | break;
|
---|
966 | #endif /* WOLFSSL_SHA3 */
|
---|
967 |
|
---|
968 | default:
|
---|
969 | ret = BAD_FUNC_ARG;
|
---|
970 | break;
|
---|
971 | }
|
---|
972 |
|
---|
973 | if (ret == 0) {
|
---|
974 | hmac->innerHashKeyed = 0;
|
---|
975 | }
|
---|
976 |
|
---|
977 | return ret;
|
---|
978 | }
|
---|
979 |
|
---|
980 |
|
---|
981 | /* Initialize Hmac for use with async device */
|
---|
982 | int wc_HmacInit(Hmac* hmac, void* heap, int devId)
|
---|
983 | {
|
---|
984 | int ret = 0;
|
---|
985 |
|
---|
986 | if (hmac == NULL)
|
---|
987 | return BAD_FUNC_ARG;
|
---|
988 |
|
---|
989 | XMEMSET(hmac, 0, sizeof(Hmac));
|
---|
990 | hmac->heap = heap;
|
---|
991 |
|
---|
992 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
---|
993 | hmac->keyLen = 0;
|
---|
994 |
|
---|
995 | ret = wolfAsync_DevCtxInit(&hmac->asyncDev, WOLFSSL_ASYNC_MARKER_HMAC,
|
---|
996 | hmac->heap, devId);
|
---|
997 | #else
|
---|
998 | (void)devId;
|
---|
999 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
1000 |
|
---|
1001 | return ret;
|
---|
1002 | }
|
---|
1003 |
|
---|
1004 | /* Free Hmac from use with async device */
|
---|
1005 | void wc_HmacFree(Hmac* hmac)
|
---|
1006 | {
|
---|
1007 | if (hmac == NULL)
|
---|
1008 | return;
|
---|
1009 |
|
---|
1010 | switch (hmac->macType) {
|
---|
1011 | #ifndef NO_MD5
|
---|
1012 | case WC_MD5:
|
---|
1013 | wc_Md5Free(&hmac->hash.md5);
|
---|
1014 | break;
|
---|
1015 | #endif /* !NO_MD5 */
|
---|
1016 |
|
---|
1017 | #ifndef NO_SHA
|
---|
1018 | case WC_SHA:
|
---|
1019 | wc_ShaFree(&hmac->hash.sha);
|
---|
1020 | break;
|
---|
1021 | #endif /* !NO_SHA */
|
---|
1022 |
|
---|
1023 | #ifdef WOLFSSL_SHA224
|
---|
1024 | case WC_SHA224:
|
---|
1025 | wc_Sha224Free(&hmac->hash.sha224);
|
---|
1026 | break;
|
---|
1027 | #endif /* WOLFSSL_SHA224 */
|
---|
1028 |
|
---|
1029 | #ifndef NO_SHA256
|
---|
1030 | case WC_SHA256:
|
---|
1031 | wc_Sha256Free(&hmac->hash.sha256);
|
---|
1032 | break;
|
---|
1033 | #endif /* !NO_SHA256 */
|
---|
1034 |
|
---|
1035 | #ifdef WOLFSSL_SHA384
|
---|
1036 | case WC_SHA384:
|
---|
1037 | wc_Sha384Free(&hmac->hash.sha384);
|
---|
1038 | break;
|
---|
1039 | #endif /* WOLFSSL_SHA384 */
|
---|
1040 | #ifdef WOLFSSL_SHA512
|
---|
1041 | case WC_SHA512:
|
---|
1042 | wc_Sha512Free(&hmac->hash.sha512);
|
---|
1043 | break;
|
---|
1044 | #endif /* WOLFSSL_SHA512 */
|
---|
1045 |
|
---|
1046 | #ifdef HAVE_BLAKE2
|
---|
1047 | case BLAKE2B_ID:
|
---|
1048 | break;
|
---|
1049 | #endif /* HAVE_BLAKE2 */
|
---|
1050 |
|
---|
1051 | #ifdef WOLFSSL_SHA3
|
---|
1052 | case WC_SHA3_224:
|
---|
1053 | wc_Sha3_224_Free(&hmac->hash.sha3);
|
---|
1054 | break;
|
---|
1055 | case WC_SHA3_256:
|
---|
1056 | wc_Sha3_256_Free(&hmac->hash.sha3);
|
---|
1057 | break;
|
---|
1058 | case WC_SHA3_384:
|
---|
1059 | wc_Sha3_384_Free(&hmac->hash.sha3);
|
---|
1060 | break;
|
---|
1061 | case WC_SHA3_512:
|
---|
1062 | wc_Sha3_512_Free(&hmac->hash.sha3);
|
---|
1063 | break;
|
---|
1064 | #endif /* WOLFSSL_SHA3 */
|
---|
1065 |
|
---|
1066 | default:
|
---|
1067 | break;
|
---|
1068 | }
|
---|
1069 |
|
---|
1070 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
---|
1071 | wolfAsync_DevCtxFree(&hmac->asyncDev, WOLFSSL_ASYNC_MARKER_HMAC);
|
---|
1072 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
1073 |
|
---|
1074 | switch (hmac->macType) {
|
---|
1075 | #ifndef NO_MD5
|
---|
1076 | case WC_MD5:
|
---|
1077 | wc_Md5Free(&hmac->hash.md5);
|
---|
1078 | break;
|
---|
1079 | #endif /* !NO_MD5 */
|
---|
1080 |
|
---|
1081 | #ifndef NO_SHA
|
---|
1082 | case WC_SHA:
|
---|
1083 | wc_ShaFree(&hmac->hash.sha);
|
---|
1084 | break;
|
---|
1085 | #endif /* !NO_SHA */
|
---|
1086 |
|
---|
1087 | #ifdef WOLFSSL_SHA224
|
---|
1088 | case WC_SHA224:
|
---|
1089 | wc_Sha224Free(&hmac->hash.sha224);
|
---|
1090 | break;
|
---|
1091 | #endif /* WOLFSSL_SHA224 */
|
---|
1092 |
|
---|
1093 | #ifndef NO_SHA256
|
---|
1094 | case WC_SHA256:
|
---|
1095 | wc_Sha256Free(&hmac->hash.sha256);
|
---|
1096 | break;
|
---|
1097 | #endif /* !NO_SHA256 */
|
---|
1098 |
|
---|
1099 | #ifdef WOLFSSL_SHA512
|
---|
1100 | #ifdef WOLFSSL_SHA384
|
---|
1101 | case WC_SHA384:
|
---|
1102 | wc_Sha384Free(&hmac->hash.sha384);
|
---|
1103 | break;
|
---|
1104 | #endif /* WOLFSSL_SHA384 */
|
---|
1105 | case WC_SHA512:
|
---|
1106 | wc_Sha512Free(&hmac->hash.sha512);
|
---|
1107 | break;
|
---|
1108 | #endif /* WOLFSSL_SHA512 */
|
---|
1109 | }
|
---|
1110 | }
|
---|
1111 |
|
---|
1112 | int wolfSSL_GetHmacMaxSize(void)
|
---|
1113 | {
|
---|
1114 | return WC_MAX_DIGEST_SIZE;
|
---|
1115 | }
|
---|
1116 |
|
---|
1117 | #ifdef HAVE_HKDF
|
---|
1118 | /* HMAC-KDF-Extract.
|
---|
1119 | * RFC 5869 - HMAC-based Extract-and-Expand Key Derivation Function (HKDF).
|
---|
1120 | *
|
---|
1121 | * type The hash algorithm type.
|
---|
1122 | * salt The optional salt value.
|
---|
1123 | * saltSz The size of the salt.
|
---|
1124 | * inKey The input keying material.
|
---|
1125 | * inKeySz The size of the input keying material.
|
---|
1126 | * out The pseudorandom key with the length that of the hash.
|
---|
1127 | * returns 0 on success, otherwise failure.
|
---|
1128 | */
|
---|
1129 | int wc_HKDF_Extract(int type, const byte* salt, word32 saltSz,
|
---|
1130 | const byte* inKey, word32 inKeySz, byte* out)
|
---|
1131 | {
|
---|
1132 | byte tmp[WC_MAX_DIGEST_SIZE]; /* localSalt helper */
|
---|
1133 | Hmac myHmac;
|
---|
1134 | int ret;
|
---|
1135 | const byte* localSalt; /* either points to user input or tmp */
|
---|
1136 | int hashSz;
|
---|
1137 |
|
---|
1138 | ret = wc_HmacSizeByType(type);
|
---|
1139 | if (ret < 0)
|
---|
1140 | return ret;
|
---|
1141 |
|
---|
1142 | hashSz = ret;
|
---|
1143 | localSalt = salt;
|
---|
1144 | if (localSalt == NULL) {
|
---|
1145 | XMEMSET(tmp, 0, hashSz);
|
---|
1146 | localSalt = tmp;
|
---|
1147 | saltSz = hashSz;
|
---|
1148 | }
|
---|
1149 |
|
---|
1150 | ret = wc_HmacInit(&myHmac, NULL, INVALID_DEVID);
|
---|
1151 | if (ret == 0) {
|
---|
1152 | ret = wc_HmacSetKey(&myHmac, type, localSalt, saltSz);
|
---|
1153 | if (ret == 0)
|
---|
1154 | ret = wc_HmacUpdate(&myHmac, inKey, inKeySz);
|
---|
1155 | if (ret == 0)
|
---|
1156 | ret = wc_HmacFinal(&myHmac, out);
|
---|
1157 | wc_HmacFree(&myHmac);
|
---|
1158 | }
|
---|
1159 |
|
---|
1160 | return ret;
|
---|
1161 | }
|
---|
1162 |
|
---|
1163 | /* HMAC-KDF-Expand.
|
---|
1164 | * RFC 5869 - HMAC-based Extract-and-Expand Key Derivation Function (HKDF).
|
---|
1165 | *
|
---|
1166 | * type The hash algorithm type.
|
---|
1167 | * inKey The input key.
|
---|
1168 | * inKeySz The size of the input key.
|
---|
1169 | * info The application specific information.
|
---|
1170 | * infoSz The size of the application specific information.
|
---|
1171 | * out The output keying material.
|
---|
1172 | * returns 0 on success, otherwise failure.
|
---|
1173 | */
|
---|
1174 | int wc_HKDF_Expand(int type, const byte* inKey, word32 inKeySz,
|
---|
1175 | const byte* info, word32 infoSz, byte* out, word32 outSz)
|
---|
1176 | {
|
---|
1177 | byte tmp[WC_MAX_DIGEST_SIZE];
|
---|
1178 | Hmac myHmac;
|
---|
1179 | int ret = 0;
|
---|
1180 | word32 outIdx = 0;
|
---|
1181 | word32 hashSz = wc_HmacSizeByType(type);
|
---|
1182 | byte n = 0x1;
|
---|
1183 |
|
---|
1184 | ret = wc_HmacInit(&myHmac, NULL, INVALID_DEVID);
|
---|
1185 | if (ret != 0)
|
---|
1186 | return ret;
|
---|
1187 |
|
---|
1188 | while (outIdx < outSz) {
|
---|
1189 | int tmpSz = (n == 1) ? 0 : hashSz;
|
---|
1190 | word32 left = outSz - outIdx;
|
---|
1191 |
|
---|
1192 | ret = wc_HmacSetKey(&myHmac, type, inKey, inKeySz);
|
---|
1193 | if (ret != 0)
|
---|
1194 | break;
|
---|
1195 | ret = wc_HmacUpdate(&myHmac, tmp, tmpSz);
|
---|
1196 | if (ret != 0)
|
---|
1197 | break;
|
---|
1198 | ret = wc_HmacUpdate(&myHmac, info, infoSz);
|
---|
1199 | if (ret != 0)
|
---|
1200 | break;
|
---|
1201 | ret = wc_HmacUpdate(&myHmac, &n, 1);
|
---|
1202 | if (ret != 0)
|
---|
1203 | break;
|
---|
1204 | ret = wc_HmacFinal(&myHmac, tmp);
|
---|
1205 | if (ret != 0)
|
---|
1206 | break;
|
---|
1207 |
|
---|
1208 | left = min(left, hashSz);
|
---|
1209 | XMEMCPY(out+outIdx, tmp, left);
|
---|
1210 |
|
---|
1211 | outIdx += hashSz;
|
---|
1212 | n++;
|
---|
1213 | }
|
---|
1214 |
|
---|
1215 | wc_HmacFree(&myHmac);
|
---|
1216 |
|
---|
1217 | return ret;
|
---|
1218 | }
|
---|
1219 |
|
---|
1220 | /* HMAC-KDF.
|
---|
1221 | * RFC 5869 - HMAC-based Extract-and-Expand Key Derivation Function (HKDF).
|
---|
1222 | *
|
---|
1223 | * type The hash algorithm type.
|
---|
1224 | * inKey The input keying material.
|
---|
1225 | * inKeySz The size of the input keying material.
|
---|
1226 | * salt The optional salt value.
|
---|
1227 | * saltSz The size of the salt.
|
---|
1228 | * info The application specific information.
|
---|
1229 | * infoSz The size of the application specific information.
|
---|
1230 | * out The output keying material.
|
---|
1231 | * returns 0 on success, otherwise failure.
|
---|
1232 | */
|
---|
1233 | int wc_HKDF(int type, const byte* inKey, word32 inKeySz,
|
---|
1234 | const byte* salt, word32 saltSz,
|
---|
1235 | const byte* info, word32 infoSz,
|
---|
1236 | byte* out, word32 outSz)
|
---|
1237 | {
|
---|
1238 | byte prk[WC_MAX_DIGEST_SIZE];
|
---|
1239 | int hashSz = wc_HmacSizeByType(type);
|
---|
1240 | int ret;
|
---|
1241 |
|
---|
1242 | if (hashSz < 0)
|
---|
1243 | return BAD_FUNC_ARG;
|
---|
1244 |
|
---|
1245 | ret = wc_HKDF_Extract(type, salt, saltSz, inKey, inKeySz, prk);
|
---|
1246 | if (ret != 0)
|
---|
1247 | return ret;
|
---|
1248 |
|
---|
1249 | return wc_HKDF_Expand(type, prk, hashSz, info, infoSz, out, outSz);
|
---|
1250 | }
|
---|
1251 |
|
---|
1252 | #endif /* HAVE_HKDF */
|
---|
1253 |
|
---|
1254 | #endif /* HAVE_FIPS */
|
---|
1255 | #endif /* NO_HMAC */
|
---|