projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| a3bcde70 | 1 | /** @file\r |
| 9166f840 | 2 | Common interfaces to call Security library.\r |
| a3bcde70 | 3 | \r |
| 76389e18 | 4 | Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\r |
| a3bcde70 HT |
5 | \r |
| 6 | This program and the accompanying materials\r | |
| 7 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 8 | which accompanies this distribution. The full text of the license may be found at\r | |
| 9 | http://opensource.org/licenses/bsd-license.php.\r | |
| 10 | \r | |
| 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 13 | \r | |
| 14 | **/\r | |
| 15 | \r | |
| 16 | #include "IpSecCryptIo.h"\r | |
| 17 | //\r | |
| 9166f840 | 18 | // The informations for the supported Encrypt/Decrpt Alogrithm.\r |
| a3bcde70 | 19 | //\r |
| 9166f840 | 20 | GLOBAL_REMOVE_IF_UNREFERENCED ENCRYPT_ALGORITHM mIpsecEncryptAlgorithmList[IPSEC_ENCRYPT_ALGORITHM_LIST_SIZE] = {\r |
| 68d3f2fb | 21 | {IKE_EALG_NULL, 0, 0, 1, NULL, NULL, NULL, NULL},\r |
| 9166f840 | 22 | {IKE_EALG_NONE, 0, 0, 1, NULL, NULL, NULL, NULL}, \r |
| 23 | {IKE_EALG_3DESCBC, 24, 8, 8, TdesGetContextSize, TdesInit, TdesCbcEncrypt, TdesCbcDecrypt},\r | |
| 24 | {IKE_EALG_AESCBC, 16, 16, 16, AesGetContextSize, AesInit, AesCbcEncrypt, AesCbcDecrypt}\r | |
| a3bcde70 | 25 | };\r |
| 9166f840 | 26 | \r |
| 27 | //\r | |
| 28 | // The informations for the supported Authentication algorithm\r | |
| 29 | //\r | |
| 30 | GLOBAL_REMOVE_IF_UNREFERENCED AUTH_ALGORITHM mIpsecAuthAlgorithmList[IPSEC_AUTH_ALGORITHM_LIST_SIZE] = {\r | |
| 31 | {IKE_AALG_NONE, 0, 0, 0, NULL, NULL, NULL, NULL},\r | |
| 32 | {IKE_AALG_NULL, 0, 0, 0, NULL, NULL, NULL, NULL},\r | |
| 33 | {IKE_AALG_SHA1HMAC, 20, 12, 64, HmacSha1GetContextSize, HmacSha1Init, HmacSha1Update, HmacSha1Final}\r | |
| 34 | };\r | |
| 35 | \r | |
| a3bcde70 | 36 | //\r |
| 9166f840 | 37 | // The information for the supported Hash aglorithm\r |
| a3bcde70 | 38 | //\r |
| 9166f840 | 39 | GLOBAL_REMOVE_IF_UNREFERENCED HASH_ALGORITHM mIpsecHashAlgorithmList[IPSEC_HASH_ALGORITHM_LIST_SIZE] = {\r |
| 68d3f2fb | 40 | {IKE_AALG_NONE, 0, 0, 0, NULL, NULL, NULL, NULL},\r |
| 41 | {IKE_AALG_NULL, 0, 0, 0, NULL, NULL, NULL, NULL},\r | |
| 9166f840 | 42 | {IKE_AALG_SHA1HMAC, 20, 12, 64, Sha1GetContextSize, Sha1Init, Sha1Update, Sha1Final}\r |
| a3bcde70 HT |
43 | };\r |
| 44 | \r | |
| 9166f840 | 45 | BOOLEAN mInitialRandomSeed = FALSE;\r |
| a3bcde70 HT |
46 | \r |
| 47 | /**\r | |
| 9166f840 | 48 | Get the block size of specified encryption alogrithm.\r |
| a3bcde70 | 49 | \r |
| 9166f840 | 50 | @param[in] AlgorithmId The encryption algorithm ID.\r |
| a3bcde70 HT |
51 | \r |
| 52 | @return The value of block size.\r | |
| 53 | \r | |
| 54 | **/\r | |
| 55 | UINTN\r | |
| 56 | IpSecGetEncryptBlockSize (\r | |
| 57 | IN UINT8 AlgorithmId\r | |
| 58 | )\r | |
| 59 | {\r | |
| 60 | UINT8 Index;\r | |
| 61 | \r | |
| 62 | for (Index = 0; Index < IPSEC_ENCRYPT_ALGORITHM_LIST_SIZE; Index++) {\r | |
| 63 | if (AlgorithmId == mIpsecEncryptAlgorithmList[Index].AlgorithmId) {\r | |
| a3bcde70 HT |
64 | return mIpsecEncryptAlgorithmList[Index].BlockSize;\r |
| 65 | }\r | |
| 66 | }\r | |
| 67 | \r | |
| 68 | return (UINTN) -1;\r | |
| 69 | }\r | |
| 70 | \r | |
| 71 | /**\r | |
| 9166f840 | 72 | Get the key length of the specified encryption alogrithm.\r |
| 73 | \r | |
| 74 | @param[in] AlgorithmId The encryption algorithm ID.\r | |
| 75 | \r | |
| 76 | @return The value of key length.\r | |
| 77 | \r | |
| 78 | **/\r | |
| 79 | UINTN\r | |
| 80 | IpSecGetEncryptKeyLength (\r | |
| 81 | IN UINT8 AlgorithmId\r | |
| 82 | )\r | |
| 83 | {\r | |
| 84 | UINT8 Index;\r | |
| 85 | \r | |
| 86 | for (Index = 0; Index < IPSEC_ENCRYPT_ALGORITHM_LIST_SIZE; Index++) {\r | |
| 87 | if (AlgorithmId == mIpsecEncryptAlgorithmList[Index].AlgorithmId) {\r | |
| 88 | return mIpsecEncryptAlgorithmList[Index].KeyLength;\r | |
| 89 | }\r | |
| 90 | }\r | |
| 91 | \r | |
| 92 | return (UINTN) -1;\r | |
| 93 | }\r | |
| 94 | \r | |
| 95 | /**\r | |
| 96 | Get the IV size of the specified encryption alogrithm.\r | |
| a3bcde70 | 97 | \r |
| 9166f840 | 98 | @param[in] AlgorithmId The encryption algorithm ID.\r |
| a3bcde70 HT |
99 | \r |
| 100 | @return The value of IV size.\r | |
| 101 | \r | |
| 102 | **/\r | |
| 103 | UINTN\r | |
| 104 | IpSecGetEncryptIvLength (\r | |
| 105 | IN UINT8 AlgorithmId\r | |
| 106 | )\r | |
| 107 | {\r | |
| 108 | UINT8 Index;\r | |
| 109 | \r | |
| 110 | for (Index = 0; Index < IPSEC_ENCRYPT_ALGORITHM_LIST_SIZE; Index++) {\r | |
| 111 | if (AlgorithmId == mIpsecEncryptAlgorithmList[Index].AlgorithmId) {\r | |
| a3bcde70 HT |
112 | return mIpsecEncryptAlgorithmList[Index].IvLength;\r |
| 113 | }\r | |
| 114 | }\r | |
| 115 | \r | |
| 116 | return (UINTN) -1;\r | |
| 117 | }\r | |
| 118 | \r | |
| 119 | /**\r | |
| 9166f840 | 120 | Get the HMAC digest length by the specified Algorithm ID.\r |
| 121 | \r | |
| 122 | @param[in] AlgorithmId The specified Alogrithm ID.\r | |
| 123 | \r | |
| 124 | @return The digest length of the specified Authentication Algorithm ID.\r | |
| 125 | \r | |
| 126 | **/\r | |
| 127 | UINTN\r | |
| 128 | IpSecGetHmacDigestLength (\r | |
| 129 | IN UINT8 AlgorithmId\r | |
| 130 | )\r | |
| 131 | {\r | |
| 132 | UINT8 Index;\r | |
| 133 | \r | |
| 134 | for (Index = 0; Index < IPSEC_AUTH_ALGORITHM_LIST_SIZE; Index++) {\r | |
| 135 | if (mIpsecAuthAlgorithmList[Index].AlgorithmId == AlgorithmId) {\r | |
| 136 | //\r | |
| 137 | // Return the Digest Length of the Algorithm.\r | |
| 138 | //\r | |
| 139 | return mIpsecAuthAlgorithmList[Index].DigestLength;\r | |
| 140 | }\r | |
| 141 | }\r | |
| 142 | \r | |
| 143 | return 0;\r | |
| 144 | }\r | |
| 145 | \r | |
| 146 | /**\r | |
| 147 | Get the ICV size of the specified Authenticaion alogrithm.\r | |
| a3bcde70 | 148 | \r |
| 9166f840 | 149 | @param[in] AlgorithmId The Authentication algorithm ID.\r |
| a3bcde70 HT |
150 | \r |
| 151 | @return The value of ICV size.\r | |
| 152 | \r | |
| 153 | **/\r | |
| 154 | UINTN\r | |
| 155 | IpSecGetIcvLength (\r | |
| 9166f840 | 156 | IN UINT8 AlgorithmId\r |
| a3bcde70 HT |
157 | )\r |
| 158 | {\r | |
| 159 | UINT8 Index;\r | |
| 9166f840 | 160 | \r |
| a3bcde70 | 161 | for (Index = 0; Index < IPSEC_AUTH_ALGORITHM_LIST_SIZE; Index++) {\r |
| 9166f840 | 162 | if (AlgorithmId == mIpsecAuthAlgorithmList[Index].AlgorithmId) {\r |
| a3bcde70 HT |
163 | return mIpsecAuthAlgorithmList[Index].IcvLength;\r |
| 164 | }\r | |
| 165 | }\r | |
| 9166f840 | 166 | \r |
| a3bcde70 HT |
167 | return (UINTN) -1;\r |
| 168 | }\r | |
| 169 | \r | |
| 170 | /**\r | |
| 171 | Generate a random data for IV. If the IvSize is zero, not needed to create\r | |
| 172 | IV and return EFI_SUCCESS.\r | |
| 173 | \r | |
| 174 | @param[in] IvBuffer The pointer of the IV buffer.\r | |
| 9166f840 | 175 | @param[in] IvSize The IV size in bytes.\r |
| a3bcde70 HT |
176 | \r |
| 177 | @retval EFI_SUCCESS Create a random data for IV.\r | |
| 178 | \r | |
| 179 | **/\r | |
| 180 | EFI_STATUS\r | |
| 181 | IpSecGenerateIv (\r | |
| 182 | IN UINT8 *IvBuffer,\r | |
| 183 | IN UINTN IvSize\r | |
| 184 | )\r | |
| 185 | {\r | |
| 186 | if (IvSize != 0) {\r | |
| 9166f840 | 187 | return IpSecCryptoIoGenerateRandomBytes (IvBuffer, IvSize);\r |
| 188 | }\r | |
| 189 | \r | |
| 190 | return EFI_SUCCESS;\r | |
| 191 | }\r | |
| 192 | \r | |
| 193 | /**\r | |
| 194 | Get index of the specified encryption alogrithm from the mIpsecEncryptAlgorithemList.\r | |
| 195 | \r | |
| 196 | @param[in] AlgorithmId The encryption algorithm ID.\r | |
| 197 | \r | |
| 198 | @return the index.\r | |
| 199 | \r | |
| 200 | **/\r | |
| 201 | UINTN\r | |
| 202 | IpSecGetIndexFromEncList (\r | |
| 203 | IN UINT8 AlgorithmId\r | |
| 204 | )\r | |
| 205 | {\r | |
| 206 | UINT8 Index;\r | |
| 207 | \r | |
| 208 | for (Index = 0; Index < IPSEC_ENCRYPT_ALGORITHM_LIST_SIZE; Index++) {\r | |
| 209 | if (AlgorithmId == mIpsecEncryptAlgorithmList[Index].AlgorithmId) {\r | |
| 210 | return Index;\r | |
| 211 | }\r | |
| 212 | }\r | |
| 213 | \r | |
| 214 | return (UINTN) -1;\r | |
| 215 | }\r | |
| 216 | \r | |
| 217 | /**\r | |
| 218 | Get index of the specified encryption alogrithm from the mIpsecAuthAlgorithemList.\r | |
| 219 | \r | |
| 220 | @param[in] AlgorithmId The encryption algorithm ID.\r | |
| 221 | \r | |
| 222 | @return the index.\r | |
| 223 | \r | |
| 224 | **/\r | |
| 225 | UINTN\r | |
| 226 | IpSecGetIndexFromAuthList (\r | |
| 227 | IN UINT8 AlgorithmId\r | |
| 228 | )\r | |
| 229 | {\r | |
| 230 | UINT8 Index;\r | |
| 231 | \r | |
| 232 | for (Index = 0; Index < IPSEC_AUTH_ALGORITHM_LIST_SIZE; Index++) {\r | |
| 233 | if (AlgorithmId == mIpsecAuthAlgorithmList[Index].AlgorithmId) {\r | |
| 234 | //\r | |
| 235 | // The BlockSize is same with IvSize.\r | |
| 236 | //\r | |
| 237 | return Index;\r | |
| 238 | }\r | |
| 239 | }\r | |
| 240 | \r | |
| 241 | return (UINTN) -1;\r | |
| 242 | }\r | |
| 243 | \r | |
| 244 | /**\r | |
| 245 | Encrypt the buffer.\r | |
| 246 | \r | |
| 247 | This function calls relevant encryption interface from CryptoLib according to\r | |
| 248 | the input alogrithm ID. The InData should be multiple of block size. This function\r | |
| 249 | doesn't perform the padding. If it has the Ivec data, the length of it should be\r | |
| 250 | same with the block size. The block size is different from the different algorithm.\r | |
| 251 | \r | |
| 252 | @param[in] AlgorithmId The Alogrithem identification defined in RFC.\r | |
| 253 | @param[in] Key Pointer to the buffer containing encrypting key.\r | |
| 76389e18 | 254 | @param[in] KeyBits The length of the key in bits.\r |
| 9166f840 | 255 | @param[in] Ivec Point to the buffer containning the Initializeion\r |
| 256 | Vector (IV) data.\r | |
| 257 | @param[in] InData Point to the buffer containing the data to be\r | |
| 258 | encrypted.\r | |
| 259 | @param[in] InDataLength The length of InData in Bytes.\r | |
| 260 | @param[out] OutData Point to the buffer that receives the encryption\r | |
| 261 | output.\r | |
| 262 | \r | |
| 263 | @retval EFI_UNSUPPORTED The input Algorithm is not supported.\r | |
| 264 | @retval EFI_OUT_OF_RESOURCE The required resource can't be allocated.\r | |
| 265 | @retval EFI_SUCCESS The operation completed successfully.\r | |
| 266 | \r | |
| 267 | **/\r | |
| 268 | EFI_STATUS\r | |
| 269 | IpSecCryptoIoEncrypt (\r | |
| 270 | IN CONST UINT8 AlgorithmId,\r | |
| 271 | IN CONST UINT8 *Key,\r | |
| 272 | IN CONST UINTN KeyBits,\r | |
| 273 | IN CONST UINT8 *Ivec, OPTIONAL\r | |
| 274 | IN UINT8 *InData,\r | |
| 275 | IN UINTN InDataLength,\r | |
| 276 | OUT UINT8 *OutData\r | |
| 277 | )\r | |
| 278 | { \r | |
| 279 | UINTN Index;\r | |
| 280 | UINTN ContextSize;\r | |
| 281 | UINT8 *Context;\r | |
| 282 | EFI_STATUS Status;\r | |
| 283 | \r | |
| 284 | Status = EFI_UNSUPPORTED;\r | |
| 285 | \r | |
| 286 | switch (AlgorithmId) {\r | |
| 287 | \r | |
| 288 | case IKE_EALG_NULL:\r | |
| 289 | case IKE_EALG_NONE:\r | |
| 290 | CopyMem (OutData, InData, InDataLength);\r | |
| 291 | return EFI_SUCCESS;\r | |
| 292 | \r | |
| 293 | case IKE_EALG_3DESCBC:\r | |
| 294 | case IKE_EALG_AESCBC:\r | |
| 295 | Index = IpSecGetIndexFromEncList (AlgorithmId);\r | |
| 296 | if (Index == -1) {\r | |
| 297 | return Status;\r | |
| 298 | }\r | |
| 299 | //\r | |
| 300 | // Get Context Size\r | |
| 301 | //\r | |
| 302 | ContextSize = mIpsecEncryptAlgorithmList[Index].CipherGetContextSize ();\r | |
| 303 | Context = AllocateZeroPool (ContextSize);\r | |
| 304 | \r | |
| 305 | if (Context == NULL) {\r | |
| 306 | return EFI_OUT_OF_RESOURCES;\r | |
| 307 | }\r | |
| a3bcde70 | 308 | //\r |
| 9166f840 | 309 | // Initiate Context\r |
| a3bcde70 | 310 | //\r |
| 9166f840 | 311 | if (mIpsecEncryptAlgorithmList[Index].CipherInitiate (Context, Key, KeyBits)) {\r |
| 312 | if (mIpsecEncryptAlgorithmList[Index].CipherEncrypt (Context, InData, InDataLength, Ivec, OutData)) {\r | |
| 313 | Status = EFI_SUCCESS;\r | |
| 314 | }\r | |
| 315 | }\r | |
| 316 | break;\r | |
| 317 | \r | |
| 318 | default:\r | |
| 319 | return Status;\r | |
| 320 | \r | |
| 321 | }\r | |
| 322 | \r | |
| 323 | if (Context != NULL) {\r | |
| 324 | FreePool (Context);\r | |
| 325 | }\r | |
| 326 | \r | |
| 327 | return Status;\r | |
| 328 | }\r | |
| 329 | \r | |
| 330 | /**\r | |
| 331 | Decrypts the buffer.\r | |
| 332 | \r | |
| 333 | This function calls relevant Decryption interface from CryptoLib according to\r | |
| 334 | the input alogrithm ID. The InData should be multiple of block size. This function\r | |
| 335 | doesn't perform the padding. If it has the Ivec data, the length of it should be\r | |
| 336 | same with the block size. The block size is different from the different algorithm.\r | |
| 337 | \r | |
| 338 | @param[in] AlgorithmId The Alogrithem identification defined in RFC.\r | |
| 339 | @param[in] Key Pointer to the buffer containing encrypting key.\r | |
| 76389e18 | 340 | @param[in] KeyBits The length of the key in bits.\r |
| 9166f840 | 341 | @param[in] Ivec Point to the buffer containning the Initializeion\r |
| 342 | Vector (IV) data.\r | |
| 343 | @param[in] InData Point to the buffer containing the data to be\r | |
| 76389e18 | 344 | decrypted.\r |
| 9166f840 | 345 | @param[in] InDataLength The length of InData in Bytes.\r |
| 346 | @param[out] OutData Pointer to the buffer that receives the decryption\r | |
| 347 | output.\r | |
| 348 | \r | |
| 349 | @retval EFI_UNSUPPORTED The input Algorithm is not supported.\r | |
| 350 | @retval EFI_OUT_OF_RESOURCE The required resource can't be allocated.\r | |
| 351 | @retval EFI_SUCCESS The operation completed successfully.\r | |
| 352 | \r | |
| 353 | **/\r | |
| 354 | EFI_STATUS\r | |
| 355 | IpSecCryptoIoDecrypt (\r | |
| 356 | IN CONST UINT8 AlgorithmId,\r | |
| 357 | IN CONST UINT8 *Key,\r | |
| 358 | IN CONST UINTN KeyBits,\r | |
| 359 | IN CONST UINT8 *Ivec, OPTIONAL\r | |
| 360 | IN UINT8 *InData,\r | |
| 361 | IN UINTN InDataLength,\r | |
| 362 | OUT UINT8 *OutData\r | |
| 363 | )\r | |
| 364 | { \r | |
| 365 | UINTN Index;\r | |
| 366 | UINTN ContextSize;\r | |
| 367 | UINT8 *Context;\r | |
| 368 | EFI_STATUS Status;\r | |
| 369 | \r | |
| 370 | Status = EFI_UNSUPPORTED;\r | |
| 371 | \r | |
| 372 | switch (AlgorithmId) {\r | |
| 373 | \r | |
| 374 | case IKE_EALG_NULL:\r | |
| 375 | case IKE_EALG_NONE:\r | |
| 376 | CopyMem (OutData, InData, InDataLength);\r | |
| a3bcde70 | 377 | return EFI_SUCCESS;\r |
| 9166f840 | 378 | \r |
| 379 | case IKE_EALG_3DESCBC:\r | |
| 380 | case IKE_EALG_AESCBC:\r | |
| 381 | Index = IpSecGetIndexFromEncList(AlgorithmId);\r | |
| 382 | if (Index == -1) {\r | |
| 383 | return Status;\r | |
| 384 | }\r | |
| 385 | \r | |
| 386 | //\r | |
| 387 | // Get Context Size\r | |
| 388 | //\r | |
| 389 | ContextSize = mIpsecEncryptAlgorithmList[Index].CipherGetContextSize();\r | |
| 390 | Context = AllocateZeroPool (ContextSize);\r | |
| 391 | if (Context == NULL) {\r | |
| 392 | return EFI_OUT_OF_RESOURCES;\r | |
| 393 | }\r | |
| 394 | \r | |
| 395 | //\r | |
| 396 | // Initiate Context\r | |
| 397 | //\r | |
| 398 | if (mIpsecEncryptAlgorithmList[Index].CipherInitiate (Context, Key, KeyBits)) {\r | |
| 399 | if (mIpsecEncryptAlgorithmList[Index].CipherDecrypt (Context, InData, InDataLength, Ivec, OutData)) {\r | |
| 400 | Status = EFI_SUCCESS; \r | |
| 401 | }\r | |
| 402 | }\r | |
| 403 | break;\r | |
| 404 | \r | |
| 405 | default:\r | |
| 406 | return Status;\r | |
| 407 | }\r | |
| 408 | \r | |
| 409 | if (Context != NULL) {\r | |
| 410 | FreePool (Context);\r | |
| a3bcde70 | 411 | }\r |
| 9166f840 | 412 | \r |
| 413 | return Status;\r | |
| 414 | }\r | |
| 415 | \r | |
| 416 | /**\r | |
| 417 | Digests the Payload with key and store the result into the OutData.\r | |
| 418 | \r | |
| 419 | This function calls relevant Hmac interface from CryptoLib according to\r | |
| 420 | the input alogrithm ID. It computes all datas from InDataFragment and output\r | |
| 421 | the result into the OutData buffer. If the OutDataSize is larger than the related\r | |
| 422 | HMAC alogrithm output size, return EFI_INVALID_PARAMETER.\r | |
| 423 | \r | |
| 424 | @param[in] AlgorithmId The authentication Identification.\r | |
| 425 | @param[in] Key Pointer of the authentication key.\r | |
| 426 | @param[in] KeyLength The length of the Key in bytes.\r | |
| 427 | @param[in] InDataFragment The list contains all data to be authenticated.\r | |
| 428 | @param[in] FragmentCount The size of the InDataFragment.\r | |
| 429 | @param[out] OutData For in, the buffer to receive the output data.\r | |
| 430 | For out, the buffer contains the authenticated data.\r | |
| 431 | @param[in] OutDataSize The size of the buffer of OutData.\r | |
| 432 | \r | |
| 433 | @retval EFI_UNSUPPORTED If the AuthAlg is not in the support list.\r | |
| 434 | @retval EFI_INVALID_PARAMETER The OutData buffer size is larger than algorithm digest size.\r | |
| 435 | @retval EFI_SUCCESS Authenticate the payload successfully.\r | |
| 436 | @retval otherwise Authentication of the payload fails.\r | |
| 437 | \r | |
| 438 | **/\r | |
| 439 | EFI_STATUS\r | |
| 440 | IpSecCryptoIoHmac (\r | |
| 441 | IN CONST UINT8 AlgorithmId,\r | |
| 442 | IN CONST UINT8 *Key,\r | |
| 443 | IN UINTN KeyLength,\r | |
| 444 | IN HASH_DATA_FRAGMENT *InDataFragment,\r | |
| 445 | IN UINTN FragmentCount,\r | |
| 446 | OUT UINT8 *OutData,\r | |
| 447 | IN UINTN OutDataSize\r | |
| 448 | )\r | |
| 449 | {\r | |
| 450 | UINTN ContextSize;\r | |
| 451 | UINTN Index;\r | |
| 452 | UINT8 FragmentIndex;\r | |
| 453 | UINT8 *HashContext;\r | |
| 454 | EFI_STATUS Status;\r | |
| 455 | UINT8 *OutHashData;\r | |
| 456 | UINTN OutHashSize;\r | |
| 457 | \r | |
| 458 | Status = EFI_UNSUPPORTED;\r | |
| 459 | OutHashData = NULL;\r | |
| 460 | \r | |
| 461 | OutHashSize = IpSecGetHmacDigestLength (AlgorithmId);\r | |
| 462 | //\r | |
| 463 | // If the expected hash data size is larger than the related Hash algorithm\r | |
| 464 | // output length, return EFI_INVALID_PARAMETER.\r | |
| 465 | //\r | |
| 466 | if (OutDataSize > OutHashSize) {\r | |
| 467 | return EFI_INVALID_PARAMETER;\r | |
| 468 | }\r | |
| 469 | OutHashData = AllocatePool (OutHashSize);\r | |
| 470 | \r | |
| 471 | if (OutHashData == NULL) {\r | |
| 472 | return EFI_OUT_OF_RESOURCES;\r | |
| 473 | }\r | |
| 474 | \r | |
| 475 | switch (AlgorithmId) {\r | |
| 476 | \r | |
| 477 | case IKE_AALG_NONE :\r | |
| 478 | case IKE_AALG_NULL :\r | |
| 479 | return EFI_SUCCESS;\r | |
| 480 | \r | |
| 481 | case IKE_AALG_SHA1HMAC:\r | |
| 482 | Index = IpSecGetIndexFromAuthList (AlgorithmId);\r | |
| 483 | if (Index == -1) {\r | |
| 484 | return Status;\r | |
| 485 | }\r | |
| 486 | \r | |
| 487 | //\r | |
| 488 | // Get Context Size\r | |
| 489 | //\r | |
| 490 | ContextSize = mIpsecAuthAlgorithmList[Index].HmacGetContextSize();\r | |
| 491 | HashContext = AllocateZeroPool (ContextSize);\r | |
| 492 | \r | |
| 493 | if (HashContext == NULL) {\r | |
| 494 | Status = EFI_OUT_OF_RESOURCES;\r | |
| 495 | goto Exit;\r | |
| 496 | }\r | |
| 497 | \r | |
| 498 | //\r | |
| 499 | // Initiate HMAC context and hash the input data.\r | |
| 500 | //\r | |
| 501 | if (mIpsecAuthAlgorithmList[Index].HmacInitiate(HashContext, Key, KeyLength)) {\r | |
| 502 | for (FragmentIndex = 0; FragmentIndex < FragmentCount; FragmentIndex++) {\r | |
| 503 | if (!mIpsecAuthAlgorithmList[Index].HmacUpdate (\r | |
| 504 | HashContext,\r | |
| 505 | InDataFragment[FragmentIndex].Data,\r | |
| 506 | InDataFragment[FragmentIndex].DataSize\r | |
| 507 | )\r | |
| 508 | ) {\r | |
| 509 | goto Exit;\r | |
| 510 | }\r | |
| 511 | }\r | |
| 512 | if (mIpsecAuthAlgorithmList[Index].HmacFinal (HashContext, OutHashData)) {\r | |
| 513 | //\r | |
| 514 | // In some cases, like the Icv computing, the Icv size might be less than\r | |
| 515 | // the key length size, so copy the part of hash data to the OutData.\r | |
| 516 | //\r | |
| 517 | CopyMem (OutData, OutHashData, OutDataSize);\r | |
| 518 | Status = EFI_SUCCESS;\r | |
| 519 | }\r | |
| 520 | \r | |
| 521 | goto Exit;\r | |
| 522 | } \r | |
| 523 | \r | |
| 524 | default:\r | |
| 525 | return Status;\r | |
| 526 | }\r | |
| 527 | \r | |
| 528 | Exit:\r | |
| 529 | if (HashContext != NULL) {\r | |
| 530 | FreePool (HashContext);\r | |
| 531 | }\r | |
| 532 | if (OutHashData != NULL) {\r | |
| 533 | FreePool (OutHashData);\r | |
| 534 | }\r | |
| 535 | \r | |
| 536 | return Status;\r | |
| 537 | }\r | |
| 538 | \r | |
| 539 | /**\r | |
| 540 | Digests the Payload and store the result into the OutData.\r | |
| 541 | \r | |
| 542 | This function calls relevant Hash interface from CryptoLib according to\r | |
| 543 | the input alogrithm ID. It computes all datas from InDataFragment and output\r | |
| 544 | the result into the OutData buffer. If the OutDataSize is larger than the related\r | |
| 545 | Hash alogrithm output size, return EFI_INVALID_PARAMETER.\r | |
| 546 | \r | |
| 547 | @param[in] AlgorithmId The authentication Identification.\r | |
| 548 | @param[in] InDataFragment A list contains all data to be authenticated.\r | |
| 549 | @param[in] FragmentCount The size of the InDataFragment.\r | |
| 550 | @param[out] OutData For in, the buffer to receive the output data.\r | |
| 551 | For out, the buffer contains the authenticated data.\r | |
| 552 | @param[in] OutDataSize The size of the buffer of OutData.\r | |
| 553 | \r | |
| 554 | @retval EFI_UNSUPPORTED If the AuthAlg is not in the support list.\r | |
| 555 | @retval EFI_SUCCESS Authenticated the payload successfully.\r | |
| 556 | @retval EFI_INVALID_PARAMETER If the OutDataSize is larger than the related Hash\r | |
| 557 | algorithm could handle.\r | |
| 558 | @retval otherwise Authentication of the payload failed.\r | |
| 559 | \r | |
| 560 | **/\r | |
| 561 | EFI_STATUS\r | |
| 562 | IpSecCryptoIoHash (\r | |
| 563 | IN CONST UINT8 AlgorithmId,\r | |
| 564 | IN HASH_DATA_FRAGMENT *InDataFragment,\r | |
| 565 | IN UINTN FragmentCount,\r | |
| 566 | OUT UINT8 *OutData,\r | |
| 567 | IN UINTN OutDataSize\r | |
| 568 | )\r | |
| 569 | {\r | |
| 570 | UINTN ContextSize;\r | |
| 571 | UINTN Index;\r | |
| 572 | UINT8 FragmentIndex;\r | |
| 573 | UINT8 *HashContext;\r | |
| 574 | EFI_STATUS Status;\r | |
| 575 | UINT8 *OutHashData;\r | |
| 576 | UINTN OutHashSize;\r | |
| 577 | \r | |
| 578 | Status = EFI_UNSUPPORTED;\r | |
| 579 | OutHashData = NULL;\r | |
| 580 | \r | |
| 581 | OutHashSize = IpSecGetHmacDigestLength (AlgorithmId);\r | |
| 582 | //\r | |
| 583 | // If the expected hash data size is larger than the related Hash algorithm\r | |
| 584 | // output length, return EFI_INVALID_PARAMETER. \r | |
| 585 | //\r | |
| 586 | if (OutDataSize > OutHashSize) {\r | |
| 587 | return EFI_INVALID_PARAMETER;\r | |
| 588 | }\r | |
| 589 | OutHashData = AllocatePool (OutHashSize);\r | |
| 590 | if (OutHashData == NULL) {\r | |
| 591 | return EFI_OUT_OF_RESOURCES;\r | |
| 592 | }\r | |
| 593 | \r | |
| 594 | switch (AlgorithmId) {\r | |
| 595 | \r | |
| 596 | case IKE_AALG_NONE:\r | |
| 597 | case IKE_AALG_NULL:\r | |
| 598 | return EFI_SUCCESS;\r | |
| 599 | \r | |
| 600 | case IKE_AALG_SHA1HMAC:\r | |
| 601 | Index = IpSecGetIndexFromAuthList (AlgorithmId);\r | |
| 602 | if (Index == -1) {\r | |
| 603 | return Status;\r | |
| 604 | }\r | |
| 605 | //\r | |
| 606 | // Get Context Size\r | |
| 607 | //\r | |
| 608 | ContextSize = mIpsecHashAlgorithmList[Index].HashGetContextSize();\r | |
| 609 | HashContext = AllocateZeroPool (ContextSize);\r | |
| 610 | if (HashContext == NULL) {\r | |
| 611 | Status = EFI_OUT_OF_RESOURCES;\r | |
| 612 | goto Exit;\r | |
| 613 | }\r | |
| 614 | \r | |
| 615 | //\r | |
| 616 | // Initiate Hash context and hash the input data.\r | |
| 617 | //\r | |
| 618 | if (mIpsecHashAlgorithmList[Index].HashInitiate(HashContext)) {\r | |
| 619 | for (FragmentIndex = 0; FragmentIndex < FragmentCount; FragmentIndex++) {\r | |
| 620 | if (!mIpsecHashAlgorithmList[Index].HashUpdate (\r | |
| 621 | HashContext,\r | |
| 622 | InDataFragment[FragmentIndex].Data,\r | |
| 623 | InDataFragment[FragmentIndex].DataSize\r | |
| 624 | )\r | |
| 625 | ) {\r | |
| 626 | goto Exit;\r | |
| 627 | }\r | |
| 628 | }\r | |
| 629 | if (mIpsecHashAlgorithmList[Index].HashFinal (HashContext, OutHashData)) {\r | |
| 630 | //\r | |
| 631 | // In some cases, like the Icv computing, the Icv size might be less than\r | |
| 632 | // the key length size, so copy the part of hash data to the OutData.\r | |
| 633 | //\r | |
| 634 | CopyMem (OutData, OutHashData, OutDataSize); \r | |
| 635 | Status = EFI_SUCCESS;\r | |
| 636 | }\r | |
| 637 | \r | |
| 638 | goto Exit; \r | |
| 639 | } \r | |
| 640 | \r | |
| 641 | default:\r | |
| 642 | return Status;\r | |
| 643 | }\r | |
| 644 | \r | |
| 645 | Exit:\r | |
| 646 | if (HashContext != NULL) {\r | |
| 647 | FreePool (HashContext);\r | |
| 648 | }\r | |
| 649 | if (OutHashData != NULL) {\r | |
| 650 | FreePool (OutHashData);\r | |
| 651 | }\r | |
| 652 | \r | |
| 653 | return Status;\r | |
| 654 | }\r | |
| 655 | \r | |
| 656 | /**\r | |
| 657 | Generates the Diffie-Hellman public key.\r | |
| 658 | \r | |
| 659 | This function first initiate a DHContext, then call the DhSetParameter() to set\r | |
| 660 | the prime and primelenght, at end call the DhGenerateKey() to generates random\r | |
| 661 | secret exponent, and computes the public key. The output returned via parameter\r | |
| 662 | PublicKey and PublicKeySize. DH context is updated accordingly. If the PublicKey\r | |
| 663 | buffer is too small to hold the public key, EFI_INVALID_PARAMETER is returned\r | |
| 664 | and PublicKeySize is set to the required buffer size to obtain the public key.\r | |
| 665 | \r | |
| 666 | @param[in, out] DhContext Pointer to the DH context.\r | |
| 667 | @param[in] Generator Vlaue of generator.\r | |
| 668 | @param[in] PrimeLength Length in bits of prime to be generated.\r | |
| 669 | @param[in] Prime Pointer to the buffer to receive the generated\r | |
| 670 | prime number.\r | |
| 671 | @param[out] PublicKey Pointer to the buffer to receive generated public key.\r | |
| 672 | @param[in, out] PublicKeySize For in, the size of PublicKey buffer in bytes.\r | |
| 673 | For out, the size of data returned in PublicKey\r | |
| 674 | buffer in bytes.\r | |
| 675 | \r | |
| 676 | @retval EFI_SUCCESS The operation perfoms successfully.\r | |
| 677 | @retval Otherwise The operation is failed.\r | |
| 678 | \r | |
| 679 | **/\r | |
| 680 | EFI_STATUS\r | |
| 681 | IpSecCryptoIoDhGetPublicKey (\r | |
| 682 | IN OUT UINT8 **DhContext,\r | |
| 683 | IN UINTN Generator,\r | |
| 684 | IN UINTN PrimeLength,\r | |
| 685 | IN CONST UINT8 *Prime,\r | |
| 686 | OUT UINT8 *PublicKey,\r | |
| 687 | IN OUT UINTN *PublicKeySize\r | |
| 688 | ) \r | |
| 689 | {\r | |
| 690 | EFI_STATUS Status;\r | |
| 691 | \r | |
| 692 | *DhContext = DhNew ();\r | |
| 693 | ASSERT (*DhContext != NULL);\r | |
| 694 | if (!DhSetParameter (*DhContext, Generator, PrimeLength, Prime)) {\r | |
| 695 | Status = EFI_INVALID_PARAMETER;\r | |
| 696 | goto Exit;\r | |
| 697 | }\r | |
| 698 | \r | |
| 699 | if (!DhGenerateKey (*DhContext, PublicKey, PublicKeySize)) {\r | |
| 700 | Status = EFI_INVALID_PARAMETER;\r | |
| 701 | goto Exit;\r | |
| 702 | }\r | |
| 703 | return EFI_SUCCESS;\r | |
| 704 | \r | |
| 705 | Exit:\r | |
| 706 | if (*DhContext != NULL) {\r | |
| 707 | DhFree (*DhContext);\r | |
| 708 | DhContext = NULL;\r | |
| 709 | }\r | |
| 710 | \r | |
| 711 | return Status;\r | |
| 712 | }\r | |
| 713 | \r | |
| 714 | /**\r | |
| 715 | Generates exchanged common key.\r | |
| 716 | \r | |
| 717 | Given peer's public key, this function computes the exchanged common key, based\r | |
| 718 | on its own context including value of prime modulus and random secret exponent.\r | |
| 719 | \r | |
| 720 | @param[in, out] DhContext Pointer to the DH context.\r | |
| 721 | @param[in] PeerPublicKey Pointer to the peer's Public Key.\r | |
| 722 | @param[in] PeerPublicKeySize Size of peer's public key in bytes.\r | |
| 723 | @param[out] Key Pointer to the buffer to receive generated key.\r | |
| 724 | @param[in, out] KeySize For in, the size of Key buffer in bytes.\r | |
| 725 | For out, the size of data returned in Key\r | |
| 726 | buffer in bytes.\r | |
| 727 | \r | |
| 728 | @retval EFI_SUCCESS The operation perfoms successfully.\r | |
| 729 | @retval Otherwise The operation is failed.\r | |
| 730 | \r | |
| 731 | **/\r | |
| 732 | EFI_STATUS\r | |
| 733 | IpSecCryptoIoDhComputeKey (\r | |
| 734 | IN OUT UINT8 *DhContext, \r | |
| 735 | IN CONST UINT8 *PeerPublicKey,\r | |
| 736 | IN UINTN PeerPublicKeySize,\r | |
| 737 | OUT UINT8 *Key,\r | |
| 738 | IN OUT UINTN *KeySize\r | |
| 739 | )\r | |
| 740 | {\r | |
| 741 | if (!DhComputeKey (DhContext, PeerPublicKey, PeerPublicKeySize, Key, KeySize)) {\r | |
| 742 | return EFI_INVALID_PARAMETER;\r | |
| 743 | }\r | |
| 744 | \r | |
| 745 | return EFI_SUCCESS;\r | |
| 746 | }\r | |
| 747 | \r | |
| 748 | /**\r | |
| 749 | Releases the DH context. If DhContext is NULL, return EFI_INVALID_PARAMETER.\r | |
| 750 | \r | |
| 751 | @param[in, out] DhContext Pointer to the DH context to be freed.\r | |
| 752 | \r | |
| 753 | @retval EFI_SUCCESS The operation perfoms successfully.\r | |
| 754 | @retval EFI_INVALID_PARAMETER The DhContext is NULL.\r | |
| 755 | \r | |
| 756 | **/\r | |
| 757 | EFI_STATUS\r | |
| 758 | IpSecCryptoIoFreeDh (\r | |
| 759 | IN OUT UINT8 **DhContext\r | |
| 760 | )\r | |
| 761 | { \r | |
| 762 | if (*DhContext == NULL) {\r | |
| 763 | return EFI_INVALID_PARAMETER;\r | |
| 764 | }\r | |
| 765 | \r | |
| 766 | DhFree (*DhContext);\r | |
| a3bcde70 HT |
767 | return EFI_SUCCESS;\r |
| 768 | }\r | |
| 9166f840 | 769 | \r |
| 770 | /**\r | |
| 771 | Generates random numbers of specified size.\r | |
| 772 | \r | |
| 773 | If the Random Generator wasn't initiated, initiate it first, then call RandomBytes.\r | |
| 774 | \r | |
| 775 | @param[out] OutBuffer Pointer to buffer to receive random value.\r | |
| 776 | @param[in] Bytes Size of randome bytes to generate.\r | |
| 777 | \r | |
| 778 | @retval EFI_SUCCESS The operation perfoms successfully.\r | |
| 779 | @retval Otherwise The operation is failed.\r | |
| 780 | \r | |
| 781 | **/\r | |
| 782 | EFI_STATUS\r | |
| 783 | IpSecCryptoIoGenerateRandomBytes (\r | |
| 784 | OUT UINT8* OutBuffer,\r | |
| 785 | IN UINTN Bytes\r | |
| 786 | )\r | |
| 787 | {\r | |
| 788 | if (!mInitialRandomSeed) {\r | |
| 789 | RandomSeed (NULL, 0);\r | |
| 790 | mInitialRandomSeed = TRUE;\r | |
| 791 | }\r | |
| 792 | if (RandomBytes (OutBuffer, Bytes)) {\r | |
| 793 | return EFI_SUCCESS;\r | |
| 794 | } else {\r | |
| 795 | return EFI_INVALID_PARAMETER;\r | |
| 796 | }\r | |
| 797 | }\r | |
| 798 | \r | |
| 799 | /**\r | |
| 800 | Authenticate data with the certificate.\r | |
| 801 | \r | |
| 802 | @param[in] InData Pointer to the Data to be signed.\r | |
| 803 | @param[in] InDataSize InData size in bytes.\r | |
| 804 | @param[in] PrivateKey Pointer to the private key.\r | |
| 805 | @param[in] PrivateKeySize The size of Private Key in bytes.\r | |
| 806 | @param[in] KeyPassWord Pointer to the password for retrieving private key.\r | |
| 807 | @param[in] KeyPwdSize The size of Key Password in bytes.\r | |
| 808 | @param[out] OutData The pointer to the signed data.\r | |
| 809 | @param[in, out] OutDataSize Pointer to contain the size of out data.\r | |
| 810 | \r | |
| 811 | **/\r | |
| 812 | VOID\r | |
| 813 | IpSecCryptoIoAuthDataWithCertificate (\r | |
| 814 | IN UINT8 *InData,\r | |
| 815 | IN UINTN InDataSize,\r | |
| 816 | IN UINT8 *PrivateKey,\r | |
| 817 | IN UINTN PrivateKeySize,\r | |
| 818 | IN UINT8 *KeyPassWord,\r | |
| 819 | IN UINTN KeyPwdSize,\r | |
| 820 | OUT UINT8 **OutData,\r | |
| 821 | IN OUT UINTN *OutDataSize\r | |
| 822 | )\r | |
| 823 | {\r | |
| 824 | UINT8 *RsaContext;\r | |
| 825 | UINT8 *Signature;\r | |
| 826 | UINTN SigSize;\r | |
| 827 | \r | |
| 828 | SigSize = 0;\r | |
| 829 | //\r | |
| 830 | // Retrieve RSA Private Key from password-protected PEM data\r | |
| 831 | //\r | |
| 832 | RsaGetPrivateKeyFromPem (\r | |
| 833 | (CONST UINT8 *)PrivateKey,\r | |
| 834 | PrivateKeySize,\r | |
| 835 | (CONST CHAR8 *)KeyPassWord,\r | |
| 836 | (VOID **) &RsaContext\r | |
| 837 | );\r | |
| 838 | if (RsaContext == NULL) {\r | |
| 839 | return;\r | |
| 840 | }\r | |
| 841 | \r | |
| 842 | //\r | |
| 843 | // Sign data\r | |
| 844 | //\r | |
| 845 | Signature = NULL; \r | |
| 846 | if (!RsaPkcs1Sign (RsaContext, InData, InDataSize, Signature, &SigSize)) {\r | |
| 847 | Signature = AllocateZeroPool (SigSize);\r | |
| 848 | } else {\r | |
| 849 | return;\r | |
| 850 | } \r | |
| 851 | \r | |
| 852 | RsaPkcs1Sign (RsaContext, InData, InDataSize, Signature, &SigSize);\r | |
| 853 | \r | |
| 854 | *OutData = Signature;\r | |
| 855 | *OutDataSize = SigSize;\r | |
| 856 | \r | |
| 857 | if (RsaContext != NULL) {\r | |
| 858 | RsaFree (RsaContext);\r | |
| 859 | }\r | |
| 860 | }\r | |
| 861 | \r | |
| 862 | /**\r | |
| 863 | Verify the singed data with the public key which is contained in a certificate.\r | |
| 864 | \r | |
| 865 | @param[in] InCert Pointer to the Certificate which contains the\r | |
| 866 | public key.\r | |
| 76389e18 | 867 | @param[in] CertLen The size of Certificate in bytes.\r |
| 9166f840 | 868 | @param[in] InCa Pointer to the CA certificate\r |
| 869 | @param[in] CaLen The size of CA certificate in bytes.\r | |
| 870 | @param[in] InData Pointer to octect message hash to be checked.\r | |
| 871 | @param[in] InDataSize Size of the message hash in bytes.\r | |
| 872 | @param[in] Singnature The pointer to the RSA PKCS1-V1_5 signature to be verifed.\r | |
| 873 | @param[in] SigSize Size of signature in bytes.\r | |
| 874 | \r | |
| 875 | @retval TRUE Valid signature encoded in PKCS1-v1_5.\r | |
| 876 | @retval FALSE Invalid signature or invalid RSA context.\r | |
| 877 | \r | |
| 878 | **/\r | |
| 879 | BOOLEAN\r | |
| 880 | IpSecCryptoIoVerifySignDataByCertificate (\r | |
| 881 | IN UINT8 *InCert,\r | |
| 882 | IN UINTN CertLen,\r | |
| 883 | IN UINT8 *InCa,\r | |
| 884 | IN UINTN CaLen,\r | |
| 885 | IN UINT8 *InData,\r | |
| 886 | IN UINTN InDataSize,\r | |
| 887 | IN UINT8 *Singnature,\r | |
| 888 | IN UINTN SigSize\r | |
| 889 | )\r | |
| 890 | {\r | |
| 891 | UINT8 *RsaContext;\r | |
| 892 | BOOLEAN Status;\r | |
| 893 | \r | |
| 894 | //\r | |
| 895 | // Create the RSA Context\r | |
| 896 | //\r | |
| 897 | RsaContext = RsaNew ();\r | |
| 898 | if (RsaContext == NULL) {\r | |
| 899 | return FALSE;\r | |
| 900 | }\r | |
| 901 | \r | |
| 902 | //\r | |
| 903 | // Verify the validity of X509 Certificate\r | |
| 904 | //\r | |
| 905 | if (!X509VerifyCert (InCert, CertLen, InCa, CaLen)) {\r | |
| 906 | return FALSE;\r | |
| 907 | }\r | |
| 908 | \r | |
| 909 | //\r | |
| 910 | // Retrieve the RSA public Key from Certificate\r | |
| 911 | //\r | |
| 912 | RsaGetPublicKeyFromX509 ((CONST UINT8 *)InCert, CertLen, (VOID **)&RsaContext);\r | |
| 913 | \r | |
| 914 | //\r | |
| 915 | // Verify data\r | |
| 916 | //\r | |
| 917 | Status = RsaPkcs1Verify (RsaContext, InData, InDataSize, Singnature, SigSize);\r | |
| 918 | \r | |
| 919 | if (RsaContext != NULL) {\r | |
| 920 | RsaFree (RsaContext);\r | |
| 921 | }\r | |
| 922 | \r | |
| 923 | return Status;\r | |
| 924 | }\r | |
| 925 | \r | |
| 926 | /**\r | |
| 927 | Retrieves the RSA Public Key from one X509 certificate (DER format only).\r | |
| 928 | \r | |
| 929 | @param[in] InCert Pointer to the certificate.\r | |
| 930 | @param[in] CertLen The size of the certificate in bytes.\r | |
| 931 | @param[out] PublicKey Pointer to the retrieved public key.\r | |
| 932 | @param[out] PublicKeyLen Size of Public Key in bytes.\r | |
| 933 | \r | |
| 934 | @retval EFI_SUCCESS Successfully get the public Key.\r | |
| 935 | @retval EFI_INVALID_PARAMETER The certificate is malformed.\r | |
| 936 | \r | |
| 937 | **/\r | |
| 938 | EFI_STATUS\r | |
| 939 | IpSecCryptoIoGetPublicKeyFromCert (\r | |
| 940 | IN UINT8 *InCert,\r | |
| 941 | IN UINTN CertLen,\r | |
| 942 | OUT UINT8 **PublicKey,\r | |
| 943 | OUT UINTN *PublicKeyLen\r | |
| 944 | )\r | |
| 945 | {\r | |
| 946 | UINT8 *RsaContext;\r | |
| 947 | EFI_STATUS Status;\r | |
| 948 | \r | |
| 949 | Status = EFI_SUCCESS;\r | |
| 950 | \r | |
| 951 | //\r | |
| 952 | // Create the RSA Context\r | |
| 953 | //\r | |
| 954 | RsaContext = RsaNew ();\r | |
| 955 | \r | |
| 956 | //\r | |
| 957 | // Retrieve the RSA public key from CA Certificate\r | |
| 958 | //\r | |
| 959 | if (!RsaGetPublicKeyFromX509 ((CONST UINT8 *)InCert, CertLen, (VOID **) &RsaContext)) {\r | |
| 960 | Status = EFI_INVALID_PARAMETER;\r | |
| 961 | goto EXIT;\r | |
| 962 | }\r | |
| 963 | \r | |
| 964 | *PublicKeyLen = 0;\r | |
| 965 | \r | |
| 966 | RsaGetKey (RsaContext, RsaKeyN, NULL, PublicKeyLen);\r | |
| 967 | \r | |
| 968 | *PublicKey = AllocateZeroPool (*PublicKeyLen);\r | |
| 969 | ASSERT (*PublicKey != NULL);\r | |
| 970 | \r | |
| 971 | if (!RsaGetKey (RsaContext, RsaKeyN, *PublicKey, PublicKeyLen)) {\r | |
| 972 | Status = EFI_INVALID_PARAMETER;\r | |
| 973 | }\r | |
| 974 | \r | |
| 975 | EXIT:\r | |
| 976 | if (RsaContext != NULL) {\r | |
| 977 | RsaFree (RsaContext);\r | |
| 978 | }\r | |
| 979 | \r | |
| 980 | return Status;\r | |
| 981 | }\r | |
| 982 | \r | |
| 983 | /**\r | |
| 984 | Retrieves the subject name from one X509 certificate (DER format only).\r | |
| 985 | \r | |
| 986 | @param[in] InCert Pointer to the X509 certificate.\r | |
| 987 | @param[in] CertSize The size of the X509 certificate in bytes.\r | |
| 988 | @param[out] CertSubject Pointer to the retrieved certificate subject.\r | |
| 989 | @param[out] SubjectSize The size of Certificate Subject in bytes.\r | |
| 990 | \r | |
| 991 | @retval EFI_SUCCESS Retrieved the certificate subject successfully.\r | |
| 992 | @retval EFI_INVALID_PARAMETER The certificate is malformed.\r | |
| 993 | \r | |
| 994 | **/\r | |
| 995 | EFI_STATUS\r | |
| 996 | IpSecCryptoIoGetSubjectFromCert (\r | |
| 997 | IN UINT8 *InCert,\r | |
| 998 | IN UINTN CertSize,\r | |
| 999 | OUT UINT8 **CertSubject,\r | |
| 1000 | OUT UINTN *SubjectSize\r | |
| 1001 | )\r | |
| 1002 | {\r | |
| 1003 | EFI_STATUS Status;\r | |
| 1004 | \r | |
| 1005 | Status = EFI_SUCCESS;\r | |
| 1006 | \r | |
| 1007 | *SubjectSize = 0;\r | |
| 1008 | X509GetSubjectName (InCert, CertSize, *CertSubject, SubjectSize);\r | |
| 1009 | \r | |
| 1010 | *CertSubject = AllocateZeroPool (*SubjectSize);\r | |
| 1011 | if (!X509GetSubjectName (InCert, CertSize, *CertSubject, SubjectSize)) {\r | |
| 1012 | Status = EFI_INVALID_PARAMETER;\r | |
| 1013 | }\r | |
| 1014 | \r | |
| 1015 | return Status;\r | |
| 1016 | }\r |