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 /*

  * sha1_driver.c

  *

  * a test driver for SHA-1

  *

  * David A. McGrew

  * Cisco Systems, Inc.

  */

 /*

  *	

  * Copyright (c) 2001-2006, Cisco Systems, Inc.

  * All rights reserved.

  * 

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions

  * are met:

  * 

  *   Redistributions of source code must retain the above copyright

  *   notice, this list of conditions and the following disclaimer.

  * 

  *   Redistributions in binary form must reproduce the above

  *   copyright notice, this list of conditions and the following

  *   disclaimer in the documentation and/or other materials provided

  *   with the distribution.

  * 

  *   Neither the name of the Cisco Systems, Inc. nor the names of its

  *   contributors may be used to endorse or promote products derived

  *   from this software without specific prior written permission.

  * 

  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS

  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,

  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

  * OF THE POSSIBILITY OF SUCH DAMAGE.

  *

  */

 #include <stdio.h>

 #include "sha1.h"

 #define SHA_PASS 0

 #define SHA_FAIL 1

 #define MAX_HASH_DATA_LEN 1024

 #define MAX_HASH_OUT_LEN   20

 typedef struct hash_test_case_t {

   unsigned data_len;                 /* number of octets in data        */

   unsigned hash_len;                 /* number of octets output by hash */

   uint8_t data[MAX_HASH_DATA_LEN];   /* message data                    */            

   uint8_t hash[MAX_HASH_OUT_LEN];    /* expected hash output            */  

   struct hash_test_case_t *next_test_case;

 } hash_test_case_t;

 hash_test_case_t *sha1_test_case_list;

 err_status_t

 hash_test_case_add(hash_test_case_t **list_ptr, 

 		   char *hex_data, 

 		   unsigned data_len, 

 		   char *hex_hash, 

 		   unsigned hash_len) {

   hash_test_case_t *list_head = *list_ptr;

   hash_test_case_t *test_case;

   unsigned tmp_len;

   test_case = malloc(sizeof(hash_test_case_t));

   if (test_case == NULL)

     return err_status_alloc_fail;

   tmp_len = hex_string_to_octet_string((char *)test_case->data, hex_data, data_len*2);

   if (tmp_len != data_len*2)

     return err_status_parse_err;

   tmp_len = hex_string_to_octet_string((char *)test_case->hash, hex_hash, hash_len*2);

   if (tmp_len != hash_len*2)

     return err_status_parse_err;

   test_case->data_len = data_len;

   test_case->hash_len = hash_len;

   /* add the new test case to the head of the list */

   test_case->next_test_case = list_head;

   *list_ptr = test_case;

   return err_status_ok;

 }

 err_status_t

 sha1_test_case_validate(const hash_test_case_t *test_case) {

   sha1_ctx_t ctx;

   uint32_t hash_value[5];

   if (test_case == NULL)

     return err_status_bad_param;

   if (test_case->hash_len != 20)

     return err_status_bad_param;

   if (test_case->data_len > MAX_HASH_DATA_LEN)

     return err_status_bad_param;

   sha1_init(&ctx);

   sha1_update(&ctx, test_case->data, test_case->data_len);

   sha1_final(&ctx, hash_value);

   if (0 == memcmp(test_case->hash, hash_value, 20)) {

 #if VERBOSE

     printf("PASSED: reference value: %s\n", 

 	   octet_string_hex_string((const uint8_t *)test_case->hash, 20));

     printf("PASSED: computed value:  %s\n", 

 	   octet_string_hex_string((const uint8_t *)hash_value, 20));   

 #endif 

     return err_status_ok;

   }

   printf("reference value: %s\n", 

 	 octet_string_hex_string((const uint8_t *)test_case->hash, 20));

   printf("computed value:  %s\n", 

 	 octet_string_hex_string((const uint8_t *)hash_value, 20));

   return err_status_algo_fail;

 }

 struct hex_sha1_test_case_t {

   unsigned bit_len;

   char hex_data[MAX_HASH_DATA_LEN*2];

   char hex_hash[40];

 };

 err_status_t

 sha1_add_test_cases(void) {

   int i;

   err_status_t err;

   /*

    * these test cases are taken from the "SHA-1 Sample Vectors"

    * provided by NIST at http://csrc.nist.gov/cryptval/shs.html

    */

   struct hex_sha1_test_case_t tc[] = {

     { 

       0,

       "",

       "da39a3ee5e6b4b0d3255bfef95601890afd80709"

     },

     {

       8,

       "a8",

       "99f2aa95e36f95c2acb0eaf23998f030638f3f15"

     }, 

     {

       16, 

       "3000",

       "f944dcd635f9801f7ac90a407fbc479964dec024"

     }, 

     {

       24, 

       "42749e", 

       "a444319e9b6cc1e8464c511ec0969c37d6bb2619"

     }, 

     {

       32, 

       "9fc3fe08", 

       "16a0ff84fcc156fd5d3ca3a744f20a232d172253"

     }, 

     {

       40, 

       "b5c1c6f1af",

       "fec9deebfcdedaf66dda525e1be43597a73a1f93"

     },

     {

       48, 

       "e47571e5022e",

       "8ce051181f0ed5e9d0c498f6bc4caf448d20deb5"

     }, 

     {

       56, 

       "3e1b28839fb758",

       "67da53837d89e03bf652ef09c369a3415937cfd3"

     },

     {

       64, 

       "a81350cbb224cb90",

       "305e4ff9888ad855a78573cddf4c5640cce7e946"

     }, 

     {

       72, "c243d167923dec3ce1",

       "5902b77b3265f023f9bbc396ba1a93fa3509bde7"

     },

     {

       80, 

       "50ac18c59d6a37a29bf4",

       "fcade5f5d156bf6f9af97bdfa9c19bccfb4ff6ab"

     }, 

     {

       88, 

       "98e2b611ad3b1cccf634f6",

       "1d20fbe00533c10e3cbd6b27088a5de0c632c4b5"

     },

     {

       96, 

       "73fe9afb68e1e8712e5d4eec",

       "7e1b7e0f7a8f3455a9c03e9580fd63ae205a2d93"

     }, 

     {

       104, 

       "9e701ed7d412a9226a2a130e66",

       "706f0677146307b20bb0e8d6311e329966884d13"

     }, 

     {

       112, 

       "6d3ee90413b0a7cbf69e5e6144ca",

       "a7241a703aaf0d53fe142f86bf2e849251fa8dff"

     }, 

     {

       120, 

       "fae24d56514efcb530fd4802f5e71f",

       "400f53546916d33ad01a5e6df66822dfbdc4e9e6"

     }, 

     {

       128, 

       "c5a22dd6eda3fe2bdc4ddb3ce6b35fd1",

       "fac8ab93c1ae6c16f0311872b984f729dc928ccd"

     }, 

     {

       136, 

       "d98cded2adabf08fda356445c781802d95",

       "fba6d750c18da58f6e2aab10112b9a5ef3301b3b"

     }, 

     {

       144, 

       "bcc6d7087a84f00103ccb32e5f5487a751a2",

       "29d27c2d44c205c8107f0351b05753ac708226b6"

     }, 

     {

       152, 

       "36ecacb1055434190dbbc556c48bafcb0feb0d",

       "b971bfc1ebd6f359e8d74cb7ecfe7f898d0ba845"

     }, 

     {

       160, 

       "5ff9edb69e8f6bbd498eb4537580b7fba7ad31d0",

       "96d08c430094b9fcc164ad2fb6f72d0a24268f68"

     },

     {

       168, "c95b441d8270822a46a798fae5defcf7b26abace36",

       "a287ea752a593d5209e287881a09c49fa3f0beb1"

     }, 

     {

       176, 

       "83104c1d8a55b28f906f1b72cb53f68cbb097b44f860",

       "a06c713779cbd88519ed4a585ac0cb8a5e9d612b"

     }, 

     {

       184,

       "755175528d55c39c56493d697b790f099a5ce741f7754b",

       "bff7d52c13a3688132a1d407b1ab40f5b5ace298"

     }, 

     {

       192,

       "088fc38128bbdb9fd7d65228b3184b3faac6c8715f07272f",

       "c7566b91d7b6f56bdfcaa9781a7b6841aacb17e9"

     }, 

     {

       200,

       "a4a586eb9245a6c87e3adf1009ac8a49f46c07e14185016895",

       "ffa30c0b5c550ea4b1e34f8a60ec9295a1e06ac1"

     }, 

     {

       208, 

       "8e7c555270c006092c2a3189e2a526b873e2e269f0fb28245256",

       "29e66ed23e914351e872aa761df6e4f1a07f4b81"

     }, 

     {

       216, 

       "a5f3bfa6bb0ba3b59f6b9cbdef8a558ec565e8aa3121f405e7f2f0",

       "b28cf5e5b806a01491d41f69bd9248765c5dc292"

     }, 

     {

       224,

       "589054f0d2bd3c2c85b466bfd8ce18e6ec3e0b87d944cd093ba36469",

       "60224fb72c46069652cd78bcd08029ef64da62f3"

     }, 

     {

       232,

       "a0abb12083b5bbc78128601bf1cbdbc0fdf4b862b24d899953d8da0ff3",

       "b72c4a86f72608f24c05f3b9088ef92fba431df7"

     }, 

     {

       240,

       "82143f4cea6fadbf998e128a8811dc75301cf1db4f079501ea568da68eeb",

       "73779ad5d6b71b9b8328ef7220ff12eb167076ac"

     },

     {

       248,

       "9f1231dd6df1ff7bc0b0d4f989d048672683ce35d956d2f57913046267e6f3",

       "a09671d4452d7cf50015c914a1e31973d20cc1a0"

     }, 

     {

       256, 

       "041c512b5eed791f80d3282f3a28df263bb1df95e1239a7650e5670fc2187919",

       "e88cdcd233d99184a6fd260b8fca1b7f7687aee0"

     }, 

     {

       264,

       "17e81f6ae8c2e5579d69dafa6e070e7111461552d314b691e7a3e7a4feb3fae418",

       "010def22850deb1168d525e8c84c28116cb8a269"

     },

     {

       272, 

       "d15976b23a1d712ad28fad04d805f572026b54dd64961fda94d5355a0cc98620cf77",

       "aeaa40ba1717ed5439b1e6ea901b294ba500f9ad"

     }, 

     {

       280, 

       "09fce4d434f6bd32a44e04b848ff50ec9f642a8a85b37a264dc73f130f22838443328f",

       "c6433791238795e34f080a5f1f1723f065463ca0"

     }, 

     {

       288, "f17af27d776ec82a257d8d46d2b46b639462c56984cc1be9c1222eadb8b26594a25c709d",

       "e21e22b89c1bb944a32932e6b2a2f20d491982c3"

     }, 

     {

       296, 

       "b13ce635d6f8758143ffb114f2f601cb20b6276951416a2f94fbf4ad081779d79f4f195b22",

       "575323a9661f5d28387964d2ba6ab92c17d05a8a"

     },

     {

       304,

       "5498793f60916ff1c918dde572cdea76da8629ba4ead6d065de3dfb48de94d234cc1c5002910",

       "feb44494af72f245bfe68e86c4d7986d57c11db7"

     },

     {

       312,

       "498a1e0b39fa49582ae688cd715c86fbaf8a81b8b11b4d1594c49c902d197c8ba8a621fd6e3be5",

       "cff2290b3648ba2831b98dde436a72f9ebf51eee"

     }, 

     {

       320,

       "3a36ae71521f9af628b3e34dcb0d4513f84c78ee49f10416a98857150b8b15cb5c83afb4b570376e",

       "9b4efe9d27b965905b0c3dab67b8d7c9ebacd56c"

     }, 

     {

       328,

       "dcc76b40ae0ea3ba253e92ac50fcde791662c5b6c948538cffc2d95e9de99cac34dfca38910db2678f",

       "afedb0ff156205bcd831cbdbda43db8b0588c113"

     }, 

     {

       336,

       "5b5ec6ec4fd3ad9c4906f65c747fd4233c11a1736b6b228b92e90cddabb0c7c2fcf9716d3fad261dff33",

       "8deb1e858f88293a5e5e4d521a34b2a4efa70fc4"

     }, 

     {

       344,

       "df48a37b29b1d6de4e94717d60cdb4293fcf170bba388bddf7a9035a15d433f20fd697c3e4c8b8c5f590ab",

       "95cbdac0f74afa69cebd0e5c7defbc6faf0cbeaf"

     }, 

     {

       352, 

       "1f179b3b82250a65e1b0aee949e218e2f45c7a8dbfd6ba08de05c55acfc226b48c68d7f7057e5675cd96fcfc",

       "f0307bcb92842e5ae0cd4f4f14f3df7f877fbef2"

     }, 

     {

       360,

       "ee3d72da3a44d971578972a8e6780ce64941267e0f7d0179b214fa97855e1790e888e09fbe3a70412176cb3b54",

       "7b13bb0dbf14964bd63b133ac85e22100542ef55"

     }, 

     {

       368,

       "d4d4c7843d312b30f610b3682254c8be96d5f6684503f8fbfbcd15774fc1b084d3741afb8d24aaa8ab9c104f7258",

       "c314d2b6cf439be678d2a74e890d96cfac1c02ed"

     }, 

     {

       376, 

       "32c094944f5936a190a0877fb9178a7bf60ceae36fd530671c5b38c5dbd5e6a6c0d615c2ac8ad04b213cc589541cf6",

       "4d0be361e410b47a9d67d8ce0bb6a8e01c53c078"

     }, 

     {

       384,

       "e5d3180c14bf27a5409fa12b104a8fd7e9639609bfde6ee82bbf9648be2546d29688a65e2e3f3da47a45ac14343c9c02",

       "e5353431ffae097f675cbf498869f6fbb6e1c9f2"

     },

     {

       392, 

       "e7b6e4b69f724327e41e1188a37f4fe38b1dba19cbf5a7311d6e32f1038e97ab506ee05aebebc1eed09fc0e357109818b9",

       "b8720a7068a085c018ab18961de2765aa6cd9ac4"

     }, 

     {

       400,

       "bc880cb83b8ac68ef2fedc2da95e7677ce2aa18b0e2d8b322701f67af7d5e7a0d96e9e33326ccb7747cfff0852b961bfd475",

       "b0732181568543ba85f2b6da602b4b065d9931aa"

     }, 

     {

       408,

       "235ea9c2ba7af25400f2e98a47a291b0bccdaad63faa2475721fda5510cc7dad814bce8dabb611790a6abe56030b798b75c944",

       "9c22674cf3222c3ba921672694aafee4ce67b96b"

     }, 

     {

       416, 

       "07e3e29fed63104b8410f323b975fd9fba53f636af8c4e68a53fb202ca35dd9ee07cb169ec5186292e44c27e5696a967f5e67709",

       "d128335f4cecca9066cdae08958ce656ff0b4cfc"

     }, 

     {

       424, 

       "65d2a1dd60a517eb27bfbf530cf6a5458f9d5f4730058bd9814379547f34241822bf67e6335a6d8b5ed06abf8841884c636a25733f",

       "0b67c57ac578de88a2ae055caeaec8bb9b0085a0"

     },

     {

       432,

       "dcc86b3bd461615bab739d8daafac231c0f462e819ad29f9f14058f3ab5b75941d4241ea2f17ebb8a458831b37a9b16dead4a76a9b0e",

       "c766f912a89d4ccda88e0cce6a713ef5f178b596"

     }, 

     {

       440,

       "4627d54f0568dc126b62a8c35fb46a9ac5024400f2995e51635636e1afc4373dbb848eb32df23914230560b82477e9c3572647a7f2bb92",

       "9aa3925a9dcb177b15ccff9b78e70cf344858779"

     }, 

     {

       448,

       "ba531affd4381168ef24d8b275a84d9254c7f5cc55fded53aa8024b2c5c5c8aa7146fe1d1b83d62b70467e9a2e2cb67b3361830adbab28d7",

       "4811fa30042fc076acf37c8e2274d025307e5943"

     }, 

     {

       456,

       "8764dcbcf89dcf4282eb644e3d568bdccb4b13508bfa7bfe0ffc05efd1390be22109969262992d377691eb4f77f3d59ea8466a74abf57b2ef4",

       "6743018450c9730761ee2b130df9b91c1e118150"

     }, 

     {

       464,

       "497d9df9ddb554f3d17870b1a31986c1be277bc44feff713544217a9f579623d18b5ffae306c25a45521d2759a72c0459b58957255ab592f3be4",

       "71ad4a19d37d92a5e6ef3694ddbeb5aa61ada645"

     }, 

     {

       472, 

       "72c3c2e065aefa8d9f7a65229e818176eef05da83f835107ba90ec2e95472e73e538f783b416c04654ba8909f26a12db6e5c4e376b7615e4a25819",

       "a7d9dc68dacefb7d6116186048cb355cc548e11d"

     }, 

     {

       480,

       "7cc9894454d0055ab5069a33984e2f712bef7e3124960d33559f5f3b81906bb66fe64da13c153ca7f5cabc89667314c32c01036d12ecaf5f9a78de98",

       "142e429f0522ba5abf5131fa81df82d355b96909"

     }, 

     {

       488,

       "74e8404d5a453c5f4d306f2cfa338ca65501c840ddab3fb82117933483afd6913c56aaf8a0a0a6b2a342fc3d9dc7599f4a850dfa15d06c61966d74ea59",

       "ef72db70dcbcab991e9637976c6faf00d22caae9"

     }, 

     {

       496,

       "46fe5ed326c8fe376fcc92dc9e2714e2240d3253b105adfbb256ff7a19bc40975c604ad7c0071c4fd78a7cb64786e1bece548fa4833c04065fe593f6fb10",

       "f220a7457f4588d639dc21407c942e9843f8e26b"

     }, 

     {

       504, 

       "836dfa2524d621cf07c3d2908835de859e549d35030433c796b81272fd8bc0348e8ddbc7705a5ad1fdf2155b6bc48884ac0cd376925f069a37849c089c8645", 

       "ddd2117b6e309c233ede85f962a0c2fc215e5c69"

     }, 

     {

       512, 

       "7e3a4c325cb9c52b88387f93d01ae86d42098f5efa7f9457388b5e74b6d28b2438d42d8b64703324d4aa25ab6aad153ae30cd2b2af4d5e5c00a8a2d0220c6116", 

       "a3054427cdb13f164a610b348702724c808a0dcc"

     }

   };

   for (i=0; i < 65; i++) {

     err = hash_test_case_add(&sha1_test_case_list, 

 			     tc[i].hex_data, 

 			     tc[i].bit_len/8, 

 			     tc[i].hex_hash, 20);

     if (err) {

       printf("error adding hash test case (code %d)\n", err);

       return err;

     }

   }

   return err_status_ok;

 }

 err_status_t

 sha1_dealloc_test_cases(void) {

   hash_test_case_t *t, *next;

   for (t = sha1_test_case_list; t != NULL; t = next) {

     next = t->next_test_case;

     free(t);

   }

   sha1_test_case_list = NULL;

   return err_status_ok;

 }

 err_status_t

 sha1_validate(void) {

   hash_test_case_t *test_case;

   err_status_t err;

   err = sha1_add_test_cases();

   if (err) {

     printf("error adding SHA1 test cases (error code %d)\n", err);

     return err;

   }  

   if (sha1_test_case_list == NULL)

     return err_status_cant_check;

   test_case = sha1_test_case_list;

   while (test_case != NULL) {

     err = sha1_test_case_validate(test_case);

     if (err) {

       printf("error validating hash test case (error code %d)\n", err);

       return err;

     }

     test_case = test_case->next_test_case;

   }

   sha1_dealloc_test_cases();

   return err_status_ok;

 }

 int

 main (void) {

   err_status_t err;

   printf("sha1 test driver\n");

   err = sha1_validate();

   if (err) {

     printf("SHA1 did not pass validation testing\n");

     return 1;

   }

   printf("SHA1 passed validation tests\n");

   return 0;

 }