Mercurial > trustbridge > nss-cmake-static
annotate nss/lib/softoken/jpakesftk.c @ 0:1e5118fa0cb1
This is NSS with a Cmake Buildsyste
To compile a static NSS library for Windows we've used the
Chromium-NSS fork and added a Cmake buildsystem to compile
it statically for Windows. See README.chromium for chromium
changes and README.trustbridge for our modifications.
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Mon, 28 Jul 2014 10:47:06 +0200 |
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children |
rev | line source |
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0
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1 /* This Source Code Form is subject to the terms of the Mozilla Public |
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2 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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4 |
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5 #include "seccomon.h" |
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6 #include "secerr.h" |
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7 #include "blapi.h" |
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8 #include "pkcs11i.h" |
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9 #include "softoken.h" |
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10 |
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11 static CK_RV |
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12 jpake_mapStatus(SECStatus rv, CK_RV invalidArgsMapping) { |
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13 int err; |
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14 if (rv == SECSuccess) |
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15 return CKR_OK; |
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16 err = PORT_GetError(); |
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17 switch (err) { |
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18 /* XXX: SEC_ERROR_INVALID_ARGS might be caused by invalid template |
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19 parameters. */ |
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20 case SEC_ERROR_INVALID_ARGS: return invalidArgsMapping; |
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21 case SEC_ERROR_BAD_SIGNATURE: return CKR_SIGNATURE_INVALID; |
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22 case SEC_ERROR_NO_MEMORY: return CKR_HOST_MEMORY; |
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23 } |
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24 return CKR_FUNCTION_FAILED; |
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25 } |
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26 |
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27 /* If key is not NULL then the gx value will be stored as an attribute with |
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28 the type given by the gxAttrType parameter. */ |
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29 static CK_RV |
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30 jpake_Sign(PLArenaPool * arena, const PQGParams * pqg, HASH_HashType hashType, |
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31 const SECItem * signerID, const SECItem * x, |
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32 CK_NSS_JPAKEPublicValue * out) |
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33 { |
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34 SECItem gx, gv, r; |
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35 CK_RV crv; |
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36 |
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37 PORT_Assert(arena != NULL); |
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38 |
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39 gx.data = NULL; |
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40 gv.data = NULL; |
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41 r.data = NULL; |
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42 crv = jpake_mapStatus(JPAKE_Sign(arena, pqg, hashType, signerID, x, NULL, |
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43 NULL, &gx, &gv, &r), |
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44 CKR_MECHANISM_PARAM_INVALID); |
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45 if (crv == CKR_OK) { |
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46 if ((out->pGX != NULL && out->ulGXLen >= gx.len) || |
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47 (out->pGV != NULL && out->ulGVLen >= gv.len) || |
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48 (out->pR != NULL && out->ulRLen >= r.len)) { |
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49 PORT_Memcpy(out->pGX, gx.data, gx.len); |
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50 PORT_Memcpy(out->pGV, gv.data, gv.len); |
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51 PORT_Memcpy(out->pR, r.data, r.len); |
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52 out->ulGXLen = gx.len; |
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53 out->ulGVLen = gv.len; |
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54 out->ulRLen = r.len; |
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55 } else { |
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56 crv = CKR_MECHANISM_PARAM_INVALID; |
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57 } |
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58 } |
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59 return crv; |
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60 } |
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61 |
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62 static CK_RV |
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63 jpake_Verify(PLArenaPool * arena, const PQGParams * pqg, |
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64 HASH_HashType hashType, const SECItem * signerID, |
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65 const CK_BYTE * peerIDData, CK_ULONG peerIDLen, |
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66 const CK_NSS_JPAKEPublicValue * publicValueIn) |
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67 { |
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68 SECItem peerID, gx, gv, r; |
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69 peerID.data = (unsigned char *) peerIDData; peerID.len = peerIDLen; |
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70 gx.data = publicValueIn->pGX; gx.len = publicValueIn->ulGXLen; |
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71 gv.data = publicValueIn->pGV; gv.len = publicValueIn->ulGVLen; |
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72 r.data = publicValueIn->pR; r.len = publicValueIn->ulRLen; |
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73 return jpake_mapStatus(JPAKE_Verify(arena, pqg, hashType, signerID, &peerID, |
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74 &gx, &gv, &r), |
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75 CKR_MECHANISM_PARAM_INVALID); |
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76 } |
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77 |
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78 #define NUM_ELEM(x) (sizeof (x) / sizeof (x)[0]) |
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79 |
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80 /* If the template has the key type set, ensure that it was set to the correct |
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81 * value. If the template did not have the key type set, set it to the |
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82 * correct value. |
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83 */ |
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84 static CK_RV |
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85 jpake_enforceKeyType(SFTKObject * key, CK_KEY_TYPE keyType) { |
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86 CK_RV crv; |
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87 SFTKAttribute * keyTypeAttr = sftk_FindAttribute(key, CKA_KEY_TYPE); |
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88 if (keyTypeAttr != NULL) { |
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89 crv = *(CK_KEY_TYPE *)keyTypeAttr->attrib.pValue == keyType |
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90 ? CKR_OK |
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91 : CKR_TEMPLATE_INCONSISTENT; |
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92 sftk_FreeAttribute(keyTypeAttr); |
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93 } else { |
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94 crv = sftk_forceAttribute(key, CKA_KEY_TYPE, &keyType, sizeof keyType); |
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95 } |
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96 return crv; |
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97 } |
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98 |
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99 static CK_RV |
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100 jpake_MultipleSecItem2Attribute(SFTKObject * key, const SFTKItemTemplate * attrs, |
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101 size_t attrsCount) |
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102 { |
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103 size_t i; |
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104 |
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105 for (i = 0; i < attrsCount; ++i) { |
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106 CK_RV crv = sftk_forceAttribute(key, attrs[i].type, attrs[i].item->data, |
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107 attrs[i].item->len); |
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108 if (crv != CKR_OK) |
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109 return crv; |
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110 } |
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111 return CKR_OK; |
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112 } |
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113 |
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114 CK_RV |
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115 jpake_Round1(HASH_HashType hashType, CK_NSS_JPAKERound1Params * params, |
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116 SFTKObject * key) |
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117 { |
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118 CK_RV crv; |
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119 PQGParams pqg; |
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120 PLArenaPool * arena; |
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121 SECItem signerID; |
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122 SFTKItemTemplate templateAttrs[] = { |
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123 { CKA_PRIME, &pqg.prime }, |
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124 { CKA_SUBPRIME, &pqg.subPrime }, |
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125 { CKA_BASE, &pqg.base }, |
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126 { CKA_NSS_JPAKE_SIGNERID, &signerID } |
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127 }; |
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128 SECItem x2, gx1, gx2; |
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129 const SFTKItemTemplate generatedAttrs[] = { |
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130 { CKA_NSS_JPAKE_X2, &x2 }, |
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131 { CKA_NSS_JPAKE_GX1, &gx1 }, |
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132 { CKA_NSS_JPAKE_GX2, &gx2 }, |
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133 }; |
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134 SECItem x1; |
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135 |
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136 PORT_Assert(params != NULL); |
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137 PORT_Assert(key != NULL); |
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138 |
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139 arena = PORT_NewArena(NSS_SOFTOKEN_DEFAULT_CHUNKSIZE); |
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140 if (arena == NULL) |
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141 crv = CKR_HOST_MEMORY; |
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142 |
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143 crv = sftk_MultipleAttribute2SecItem(arena, key, templateAttrs, |
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144 NUM_ELEM(templateAttrs)); |
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145 |
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146 if (crv == CKR_OK && (signerID.data == NULL || signerID.len == 0)) |
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147 crv = CKR_TEMPLATE_INCOMPLETE; |
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148 |
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149 /* generate x1, g^x1 and the proof of knowledge of x1 */ |
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150 if (crv == CKR_OK) { |
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151 x1.data = NULL; |
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152 crv = jpake_mapStatus(DSA_NewRandom(arena, &pqg.subPrime, &x1), |
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153 CKR_TEMPLATE_INCONSISTENT); |
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154 } |
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155 if (crv == CKR_OK) |
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156 crv = jpake_Sign(arena, &pqg, hashType, &signerID, &x1, ¶ms->gx1); |
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157 |
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158 /* generate x2, g^x2 and the proof of knowledge of x2 */ |
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159 if (crv == CKR_OK) { |
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160 x2.data = NULL; |
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161 crv = jpake_mapStatus(DSA_NewRandom(arena, &pqg.subPrime, &x2), |
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162 CKR_TEMPLATE_INCONSISTENT); |
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163 } |
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164 if (crv == CKR_OK) |
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165 crv = jpake_Sign(arena, &pqg, hashType, &signerID, &x2, ¶ms->gx2); |
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166 |
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167 /* Save the values needed for round 2 into CKA_VALUE */ |
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168 if (crv == CKR_OK) { |
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169 gx1.data = params->gx1.pGX; |
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170 gx1.len = params->gx1.ulGXLen; |
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171 gx2.data = params->gx2.pGX; |
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172 gx2.len = params->gx2.ulGXLen; |
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173 crv = jpake_MultipleSecItem2Attribute(key, generatedAttrs, |
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174 NUM_ELEM(generatedAttrs)); |
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175 } |
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176 |
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177 PORT_FreeArena(arena, PR_TRUE); |
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178 return crv; |
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179 } |
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180 |
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181 CK_RV |
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182 jpake_Round2(HASH_HashType hashType, CK_NSS_JPAKERound2Params * params, |
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183 SFTKObject * sourceKey, SFTKObject * key) |
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184 { |
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185 CK_RV crv; |
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186 PLArenaPool * arena; |
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187 PQGParams pqg; |
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188 SECItem signerID, x2, gx1, gx2; |
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189 SFTKItemTemplate sourceAttrs[] = { |
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190 { CKA_PRIME, &pqg.prime }, |
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191 { CKA_SUBPRIME, &pqg.subPrime }, |
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192 { CKA_BASE, &pqg.base }, |
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193 { CKA_NSS_JPAKE_SIGNERID, &signerID }, |
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194 { CKA_NSS_JPAKE_X2, &x2 }, |
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195 { CKA_NSS_JPAKE_GX1, &gx1 }, |
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196 { CKA_NSS_JPAKE_GX2, &gx2 }, |
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197 }; |
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198 SECItem x2s, gx3, gx4; |
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199 const SFTKItemTemplate copiedAndGeneratedAttrs[] = { |
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200 { CKA_NSS_JPAKE_SIGNERID, &signerID }, |
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201 { CKA_PRIME, &pqg.prime }, |
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202 { CKA_SUBPRIME, &pqg.subPrime }, |
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203 { CKA_NSS_JPAKE_X2, &x2 }, |
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204 { CKA_NSS_JPAKE_X2S, &x2s }, |
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205 { CKA_NSS_JPAKE_GX1, &gx1 }, |
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206 { CKA_NSS_JPAKE_GX2, &gx2 }, |
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207 { CKA_NSS_JPAKE_GX3, &gx3 }, |
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208 { CKA_NSS_JPAKE_GX4, &gx4 } |
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209 }; |
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210 SECItem peerID; |
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211 |
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212 PORT_Assert(params != NULL); |
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213 PORT_Assert(sourceKey != NULL); |
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214 PORT_Assert(key != NULL); |
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215 |
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216 arena = PORT_NewArena(NSS_SOFTOKEN_DEFAULT_CHUNKSIZE); |
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217 if (arena == NULL) |
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218 crv = CKR_HOST_MEMORY; |
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219 |
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220 /* TODO: check CKK_NSS_JPAKE_ROUND1 */ |
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221 |
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222 crv = sftk_MultipleAttribute2SecItem(arena, sourceKey, sourceAttrs, |
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223 NUM_ELEM(sourceAttrs)); |
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224 |
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225 /* Get the peer's ID out of the template and sanity-check it. */ |
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226 if (crv == CKR_OK) |
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227 crv = sftk_Attribute2SecItem(arena, &peerID, key, |
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228 CKA_NSS_JPAKE_PEERID); |
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229 if (crv == CKR_OK && (peerID.data == NULL || peerID.len == 0)) |
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230 crv = CKR_TEMPLATE_INCOMPLETE; |
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231 if (crv == CKR_OK && SECITEM_CompareItem(&signerID, &peerID) == SECEqual) |
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232 crv = CKR_TEMPLATE_INCONSISTENT; |
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233 |
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234 /* Verify zero-knowledge proofs for g^x3 and g^x4 */ |
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235 if (crv == CKR_OK) |
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236 crv = jpake_Verify(arena, &pqg, hashType, &signerID, |
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237 peerID.data, peerID.len, ¶ms->gx3); |
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238 if (crv == CKR_OK) |
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239 crv = jpake_Verify(arena, &pqg, hashType, &signerID, |
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240 peerID.data, peerID.len, ¶ms->gx4); |
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241 |
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242 /* Calculate the base and x2s for A=base^x2s */ |
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243 if (crv == CKR_OK) { |
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244 SECItem s; |
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245 s.data = params->pSharedKey; |
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246 s.len = params->ulSharedKeyLen; |
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247 gx3.data = params->gx3.pGX; |
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248 gx3.len = params->gx3.ulGXLen; |
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249 gx4.data = params->gx4.pGX; |
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250 gx4.len = params->gx4.ulGXLen; |
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251 pqg.base.data = NULL; |
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252 x2s.data = NULL; |
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253 crv = jpake_mapStatus(JPAKE_Round2(arena, &pqg.prime, &pqg.subPrime, |
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254 &gx1, &gx3, &gx4, &pqg.base, |
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255 &x2, &s, &x2s), |
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256 CKR_MECHANISM_PARAM_INVALID); |
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257 } |
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258 |
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259 /* Generate A=base^x2s and its zero-knowledge proof. */ |
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260 if (crv == CKR_OK) |
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261 crv = jpake_Sign(arena, &pqg, hashType, &signerID, &x2s, ¶ms->A); |
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262 |
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263 /* Copy P and Q from the ROUND1 key to the ROUND2 key and save the values |
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264 needed for the final key material derivation into CKA_VALUE. */ |
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265 if (crv == CKR_OK) |
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266 crv = sftk_forceAttribute(key, CKA_PRIME, pqg.prime.data, |
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267 pqg.prime.len); |
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268 if (crv == CKR_OK) |
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269 crv = sftk_forceAttribute(key, CKA_SUBPRIME, pqg.subPrime.data, |
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270 pqg.subPrime.len); |
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271 if (crv == CKR_OK) { |
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272 crv = jpake_MultipleSecItem2Attribute(key, copiedAndGeneratedAttrs, |
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273 NUM_ELEM(copiedAndGeneratedAttrs)); |
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274 } |
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275 |
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276 if (crv == CKR_OK) |
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277 crv = jpake_enforceKeyType(key, CKK_NSS_JPAKE_ROUND2); |
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278 |
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279 PORT_FreeArena(arena, PR_TRUE); |
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280 return crv; |
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281 } |
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282 |
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283 CK_RV |
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284 jpake_Final(HASH_HashType hashType, const CK_NSS_JPAKEFinalParams * param, |
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285 SFTKObject * sourceKey, SFTKObject * key) |
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286 { |
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287 PLArenaPool * arena; |
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288 SECItem K; |
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289 PQGParams pqg; |
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290 CK_RV crv; |
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291 SECItem peerID, signerID, x2s, x2, gx1, gx2, gx3, gx4; |
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292 SFTKItemTemplate sourceAttrs[] = { |
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293 { CKA_NSS_JPAKE_PEERID, &peerID }, |
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294 { CKA_NSS_JPAKE_SIGNERID, &signerID }, |
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295 { CKA_PRIME, &pqg.prime }, |
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296 { CKA_SUBPRIME, &pqg.subPrime }, |
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297 { CKA_NSS_JPAKE_X2, &x2 }, |
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298 { CKA_NSS_JPAKE_X2S, &x2s }, |
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299 { CKA_NSS_JPAKE_GX1, &gx1 }, |
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300 { CKA_NSS_JPAKE_GX2, &gx2 }, |
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301 { CKA_NSS_JPAKE_GX3, &gx3 }, |
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302 { CKA_NSS_JPAKE_GX4, &gx4 } |
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303 }; |
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304 |
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305 PORT_Assert(param != NULL); |
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306 PORT_Assert(sourceKey != NULL); |
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307 PORT_Assert(key != NULL); |
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308 |
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309 arena = PORT_NewArena(NSS_SOFTOKEN_DEFAULT_CHUNKSIZE); |
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310 if (arena == NULL) |
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311 crv = CKR_HOST_MEMORY; |
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312 |
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313 /* TODO: verify key type CKK_NSS_JPAKE_ROUND2 */ |
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314 |
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315 crv = sftk_MultipleAttribute2SecItem(arena, sourceKey, sourceAttrs, |
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316 NUM_ELEM(sourceAttrs)); |
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317 |
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318 /* Calculate base for B=base^x4s */ |
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319 if (crv == CKR_OK) { |
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320 pqg.base.data = NULL; |
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321 crv = jpake_mapStatus(JPAKE_Round2(arena, &pqg.prime, &pqg.subPrime, |
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322 &gx1, &gx2, &gx3, &pqg.base, |
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323 NULL, NULL, NULL), |
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324 CKR_MECHANISM_PARAM_INVALID); |
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325 } |
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326 |
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327 /* Verify zero-knowledge proof for B */ |
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328 if (crv == CKR_OK) |
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329 crv = jpake_Verify(arena, &pqg, hashType, &signerID, |
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330 peerID.data, peerID.len, ¶m->B); |
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331 if (crv == CKR_OK) { |
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332 SECItem B; |
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333 B.data = param->B.pGX; |
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334 B.len = param->B.ulGXLen; |
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335 K.data = NULL; |
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336 crv = jpake_mapStatus(JPAKE_Final(arena, &pqg.prime, &pqg.subPrime, |
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337 &x2, &gx4, &x2s, &B, &K), |
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338 CKR_MECHANISM_PARAM_INVALID); |
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339 } |
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340 |
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341 /* Save key material into CKA_VALUE. */ |
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342 if (crv == CKR_OK) |
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343 crv = sftk_forceAttribute(key, CKA_VALUE, K.data, K.len); |
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344 |
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345 if (crv == CKR_OK) |
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346 crv = jpake_enforceKeyType(key, CKK_GENERIC_SECRET); |
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347 |
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348 PORT_FreeArena(arena, PR_TRUE); |
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349 return crv; |
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350 } |