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1 /* |
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2 * Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Declaration of the WMDRM key storage |
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15 * |
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16 */ |
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17 |
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18 |
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19 #ifndef WMDRMKEYSTORAGE_H |
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20 #define WMDRMKEYSTORAGE_H |
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21 |
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22 #include <e32std.h> |
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23 #include <e32base.h> |
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24 |
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25 const TInt KDeviceSpecificKeyLength = 16; |
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26 |
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27 /** |
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28 * Hardware key storage access via the Security Driver |
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29 * |
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30 * @since S60 3.2 |
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31 */ |
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32 NONSHARABLE_CLASS( CWmDrmKeyStorage ): public CBase |
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33 { |
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34 public: |
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35 |
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36 /** |
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37 * NewL |
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38 * creates an instance of the CWmDrmKeyStorageClass |
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39 * |
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40 * @param aKeyIndex Index of the key to be used |
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41 * Optional parameter, not currently used |
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42 * @return CWmDrmKeyStorage -object |
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43 * @leave Symbian OS or internal error code |
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44 */ |
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45 IMPORT_C static CWmDrmKeyStorage* NewL( TInt aKeyIndex = 0 ); |
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46 |
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47 /** |
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48 * GetCertificateL |
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49 * request the device certificate in 8bit buffer |
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50 * caller responsible for releasing the buffer |
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51 * |
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52 * @return Device WMDRM certificate in an 8bit buffer |
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53 * @leave Symbian OS or internal error code |
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54 */ |
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55 virtual HBufC8* GetCertificateL() = 0; |
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56 |
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57 /** |
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58 * GetUniqueIdL |
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59 * |
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60 * request a 20byte unique Id such as SHA1 hash of some device |
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61 * specific value, single Unique Id per device |
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62 * |
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63 * caller is responsible for releasing the buffer |
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64 * |
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65 * @return Unique Id in an 8bit buffer |
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66 * @leave Symbian OS or internal error code |
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67 */ |
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68 virtual HBufC8* GetUniqueIdL() = 0; |
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69 |
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70 /** |
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71 * GetUniqueIdRawL |
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72 * |
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73 * request a 20byte unique Id such as SHA1 hash of some device |
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74 * specific value, single Unique Id per device base 64 encoded |
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75 * and in a 16bit buffer |
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76 * |
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77 * caller is responsible for releasing the buffer |
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78 * |
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79 * @return Base 64 encoded Unique Id in a 16bit buffer |
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80 * @leave Symbian OS or internal error code |
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81 */ |
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82 virtual HBufC* GetUniqueIdRawL() = 0; |
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83 |
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84 /** |
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85 * GetUniqueIdL |
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86 * |
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87 * request a 20byte unique Id such as SHA1 hash of some device |
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88 * specific value, single Unique Id per device result is base 64 encoded |
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89 * |
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90 * caller is responsible for releasing the buffer |
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91 * |
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92 * @return Unique Id in an 8bit buffer base 64 encoded |
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93 * @leave Symbian OS or internal error code |
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94 */ |
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95 virtual HBufC8* GetUniqueIdB64L() = 0; |
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96 |
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97 /** |
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98 * GetPublicKeyL |
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99 * |
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100 * request the WMDRM public key of the device in an 8bit descriptor |
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101 * |
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102 * caller is responsible for releasing the buffer |
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103 * |
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104 * @return WMDRM public key in an 8bit buffer |
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105 * @leave Symbian OS or internal error code |
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106 */ |
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107 virtual HBufC8* GetPublicKeyL() = 0; |
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108 |
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109 /** |
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110 * GetPublicKeyB64L |
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111 * |
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112 * request the WMDRM public key of the device in an 8bit descriptor |
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113 * base 64 encoded |
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114 * |
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115 * caller is responsible for releasing the buffer |
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116 * |
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117 * @return WMDRM public key in an 8bit buffer base 64 encoded |
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118 * @leave Symbian OS or internal error code |
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119 */ |
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120 virtual HBufC8* GetPublicKeyB64L() = 0; |
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121 |
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122 /** |
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123 * SignEcDsaL |
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124 * |
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125 * Signs the data using the device WMDRM private key |
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126 * |
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127 * caller is responsible for releasing the buffer |
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128 * |
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129 * @param aData Data buffer from which the hash is calculated |
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130 * @return EcDsa signature in an 8bit descriptor |
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131 * @leave Symbian OS or internal error code |
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132 */ |
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133 virtual HBufC8* SignEcDsaL( const TDesC8& aData ) = 0; |
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134 |
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135 /** |
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136 * VerifyEcDsaL |
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137 * |
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138 * Verifies using the WMDRM public key that the signature is valid |
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139 * |
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140 * @param aData Data buffer from which the hash is calculated |
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141 * @param aSignature The signature to be checked against |
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142 * @return ETrue if the signature check succeeded, |
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143 EFalse if the signature check failed |
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144 * @leave Symbian OS or internal error code |
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145 */ |
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146 virtual TBool VerifyEcDsaL( const TDesC8& aData, const TDesC8& aSignature ) = 0; |
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147 |
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148 |
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149 /** |
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150 * VerifyEcDsaL |
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151 * |
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152 * Verifies using the given key that the signature is valid |
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153 * |
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154 * @param aKey The key in 8bit buffer to be used for signature |
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155 * calculation |
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156 * @param aData Data buffer from which the hash is calculated |
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157 * @param aSignature The signature to be checked against |
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158 * @return ETrue if the signature check succeeded , |
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159 EFalse if the signature check failed |
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160 * @leave Symbian OS or internal error code |
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161 */ |
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162 virtual TBool VerifyEcDsaL( const TDesC8& aKey, const TDesC8& aData, const TDesC8& aSignature ) = 0; |
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163 |
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164 |
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165 /** |
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166 * DecryptEcIesL |
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167 * |
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168 * Decrypts the EcIes encrypted data using the device private key |
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169 * |
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170 * caller is responsible for releasing the buffer |
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171 * |
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172 * @param aData Data buffer containing the encrypted data |
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173 * @return Decrypted data in 8bit descriptor |
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174 * @leave Symbian OS or internal error code |
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175 */ |
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176 virtual HBufC8* DecryptEcIesL( const TDesC8& aData ) = 0; |
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177 |
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178 /** |
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179 * EncryptEcIesL |
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180 * |
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181 * Encrypts the data using the device WMDRM private key |
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182 * |
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183 * caller is responsible for releasing the buffer |
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184 * |
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185 * @param aData Data buffer to be encrypted |
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186 * @return Encrypted data in 8bit descriptor |
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187 * @leave Symbian OS or internal error code |
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188 */ |
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189 virtual HBufC8* EncryptEcIesL( const TDesC8& aData ) = 0; |
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190 |
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191 /** |
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192 * EncryptEcIesL |
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193 * |
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194 * Encrypts the data using the given key |
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195 * |
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196 * caller is responsible for releasing the buffer |
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197 * |
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198 * @param aKey Key to be used for EcIes encryption in an 8bit buffer |
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199 * @param aData Data buffer to be encrypted |
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200 * @return Encrypted data in 8bit descriptor |
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201 * @leave Symbian OS or internal error code |
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202 */ |
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203 virtual HBufC8* EncryptEcIesL( const TDesC8& aKey, const TDesC8& aData ) = 0; |
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204 |
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205 |
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206 /** |
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207 * GetDeviceSpecificKeyL |
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208 * |
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209 * request a device specific 16 byte key in an 8bit descriptor |
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210 * |
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211 * caller is responsible for releasing the buffer |
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212 * |
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213 * @param aKey Device specific 16 byte key in an 8bit buffer |
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214 * @leave Symbian OS or internal error code |
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215 */ |
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216 virtual void GetDeviceSpecificKeyL( |
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217 TBuf8<KDeviceSpecificKeyLength>& aKey) = 0; |
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218 |
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219 /** |
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220 * GetSymmetricKeyL |
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221 * |
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222 * request the WMDRM symmetric key from the WMDRM certificate in |
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223 * an 8bit descriptor |
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224 * |
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225 * caller is responsible for releasing the buffer |
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226 * |
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227 * @return WMDRM symmetric key in an 8bit buffer |
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228 * @leave Symbian OS or internal error code |
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229 */ |
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230 virtual HBufC8* GetSymmetricKeyL() = 0; |
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231 }; |
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232 |
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233 #endif // WMDRMKEYSTORAGE_H |