Mercurial > trustbridge > nss-cmake-static

annotate nss/lib/softoken/sftkhmac.c @ 0:1e5118fa0cb1

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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>
date Mon, 28 Jul 2014 10:47:06 +0200
parents
children
rev   line source
0
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
1 /* This Source Code Form is subject to the terms of the Mozilla Public
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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4
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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5 #include "seccomon.h"
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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6 #include "secerr.h"
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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7 #include "blapi.h"
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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8 #include "pkcs11i.h"
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9 #include "softoken.h"
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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10 #include "hmacct.h"
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11
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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12 /* MACMechanismToHash converts a PKCS#11 MAC mechanism into a freebl hash
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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13 * type. */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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14 static HASH_HashType
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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15 MACMechanismToHash(CK_MECHANISM_TYPE mech)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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16 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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17 switch (mech) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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18 case CKM_MD5_HMAC:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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19 case CKM_SSL3_MD5_MAC:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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20 return HASH_AlgMD5;
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Andre Heinecke <andre.heinecke@intevation.de>
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21 case CKM_SHA_1_HMAC:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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22 case CKM_SSL3_SHA1_MAC:
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23 return HASH_AlgSHA1;
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24 case CKM_SHA224_HMAC:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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25 return HASH_AlgSHA224;
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Andre Heinecke <andre.heinecke@intevation.de>
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26 case CKM_SHA256_HMAC:
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27 return HASH_AlgSHA256;
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28 case CKM_SHA384_HMAC:
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29 return HASH_AlgSHA384;
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30 case CKM_SHA512_HMAC:
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Andre Heinecke <andre.heinecke@intevation.de>
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31 return HASH_AlgSHA512;
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32 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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33 return HASH_AlgNULL;
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34 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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35
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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36 static sftk_MACConstantTimeCtx *
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37 SetupMAC(CK_MECHANISM_PTR mech, SFTKObject *key)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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38 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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39 CK_NSS_MAC_CONSTANT_TIME_PARAMS *params =
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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40 (CK_NSS_MAC_CONSTANT_TIME_PARAMS *) mech->pParameter;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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41 sftk_MACConstantTimeCtx *ctx;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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42 HASH_HashType alg;
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43 SFTKAttribute *keyval;
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44 unsigned char secret[sizeof(ctx->secret)];
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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45 unsigned int secretLength;
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46
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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47 if (mech->ulParameterLen != sizeof(CK_NSS_MAC_CONSTANT_TIME_PARAMS)) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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48 return NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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49 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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50
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51 alg = MACMechanismToHash(params->macAlg);
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52 if (alg == HASH_AlgNULL) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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53 return NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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54 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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55
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Andre Heinecke <andre.heinecke@intevation.de>
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56 keyval = sftk_FindAttribute(key,CKA_VALUE);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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57 if (keyval == NULL) {
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58 return NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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59 }
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60 secretLength = keyval->attrib.ulValueLen;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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61 if (secretLength > sizeof(secret)) {
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62 sftk_FreeAttribute(keyval);
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63 return NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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64 }
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65 memcpy(secret, keyval->attrib.pValue, secretLength);
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66 sftk_FreeAttribute(keyval);
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67
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68 ctx = PORT_Alloc(sizeof(sftk_MACConstantTimeCtx));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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69 if (!ctx) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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70 return NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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71 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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72
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73 memcpy(ctx->secret, secret, secretLength);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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74 ctx->secretLength = secretLength;
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Andre Heinecke <andre.heinecke@intevation.de>
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75 ctx->hash = HASH_GetRawHashObject(alg);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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76 ctx->totalLength = params->ulBodyTotalLen;
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77
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78 return ctx;
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79 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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80
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81 sftk_MACConstantTimeCtx *
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82 sftk_HMACConstantTime_New(CK_MECHANISM_PTR mech, SFTKObject *key)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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83 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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84 CK_NSS_MAC_CONSTANT_TIME_PARAMS *params =
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85 (CK_NSS_MAC_CONSTANT_TIME_PARAMS *) mech->pParameter;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
86 sftk_MACConstantTimeCtx *ctx;
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87
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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88 if (params->ulHeaderLen > sizeof(ctx->header)) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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89 return NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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90 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
91 ctx = SetupMAC(mech, key);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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92 if (!ctx) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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93 return NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
94 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
95
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
96 ctx->headerLength = params->ulHeaderLen;
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diff changeset
97 memcpy(ctx->header, params->pHeader, params->ulHeaderLen);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
98 return ctx;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
99 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
100
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
101 sftk_MACConstantTimeCtx *
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
102 sftk_SSLv3MACConstantTime_New(CK_MECHANISM_PTR mech, SFTKObject *key)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
103 {
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diff changeset
104 CK_NSS_MAC_CONSTANT_TIME_PARAMS *params =
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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parents:
diff changeset
105 (CK_NSS_MAC_CONSTANT_TIME_PARAMS *) mech->pParameter;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
106 unsigned int padLength = 40, j;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
107 sftk_MACConstantTimeCtx *ctx;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
108
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
109 if (params->macAlg != CKM_SSL3_MD5_MAC &&
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
110 params->macAlg != CKM_SSL3_SHA1_MAC) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
111 return NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
112 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
113 ctx = SetupMAC(mech, key);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
114 if (!ctx) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
115 return NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
116 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
117
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
118 if (params->macAlg == CKM_SSL3_MD5_MAC) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
119 padLength = 48;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
120 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
121
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
122 ctx->headerLength =
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
123 ctx->secretLength +
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
124 padLength +
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
125 params->ulHeaderLen;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
126
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
127 if (ctx->headerLength > sizeof(ctx->header)) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
128 goto loser;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
129 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
130
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
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131 j = 0;
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132 memcpy(&ctx->header[j], ctx->secret, ctx->secretLength);
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133 j += ctx->secretLength;
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134 memset(&ctx->header[j], 0x36, padLength);
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135 j += padLength;
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136 memcpy(&ctx->header[j], params->pHeader, params->ulHeaderLen);
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137
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138 return ctx;
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139
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140 loser:
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Andre Heinecke <andre.heinecke@intevation.de>
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141 PORT_Free(ctx);
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142 return NULL;
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143 }
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144
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145 void
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146 sftk_HMACConstantTime_Update(void *pctx, void *data, unsigned int len)
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147 {
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148 sftk_MACConstantTimeCtx *ctx = (sftk_MACConstantTimeCtx *) pctx;
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Andre Heinecke <andre.heinecke@intevation.de>
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149 SECStatus rv = HMAC_ConstantTime(
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150 ctx->mac, NULL, sizeof(ctx->mac),
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151 ctx->hash,
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152 ctx->secret, ctx->secretLength,
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153 ctx->header, ctx->headerLength,
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154 data, len,
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155 ctx->totalLength);
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156 PORT_Assert(rv == SECSuccess);
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157 }
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158
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159 void
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160 sftk_SSLv3MACConstantTime_Update(void *pctx, void *data, unsigned int len)
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161 {
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162 sftk_MACConstantTimeCtx *ctx = (sftk_MACConstantTimeCtx *) pctx;
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163 SECStatus rv = SSLv3_MAC_ConstantTime(
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164 ctx->mac, NULL, sizeof(ctx->mac),
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165 ctx->hash,
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166 ctx->secret, ctx->secretLength,
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167 ctx->header, ctx->headerLength,
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168 data, len,
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169 ctx->totalLength);
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170 PORT_Assert(rv == SECSuccess);
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171 }
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172
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173 void
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174 sftk_MACConstantTime_EndHash(void *pctx, void *out, unsigned int *outLength,
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Andre Heinecke <andre.heinecke@intevation.de>
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175 unsigned int maxLength)
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176 {
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177 const sftk_MACConstantTimeCtx *ctx = (sftk_MACConstantTimeCtx *) pctx;
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178 unsigned int toCopy = ctx->hash->length;
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179 if (toCopy > maxLength) {
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180 toCopy = maxLength;
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Andre Heinecke <andre.heinecke@intevation.de>
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181 }
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182 memcpy(out, ctx->mac, toCopy);
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Andre Heinecke <andre.heinecke@intevation.de>
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183 if (outLength) {
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Andre Heinecke <andre.heinecke@intevation.de>
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184 *outLength = toCopy;
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Andre Heinecke <andre.heinecke@intevation.de>
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185 }
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Andre Heinecke <andre.heinecke@intevation.de>
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186 }
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
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187
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Andre Heinecke <andre.heinecke@intevation.de>
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188 void
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189 sftk_MACConstantTime_DestroyContext(void *pctx, PRBool free)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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190 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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191 PORT_Free(pctx);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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192 }
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