main.cpp

00001 /*
00002  * Copyright (c) 2013-2016, ARM Limited, All Rights Reserved
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License"); you may
00006  * not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  * http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00013  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 #include <stdio.h>
00018 #include <string.h>
00019 #include "mbed.h"
00020 #include "greentea-client/test_env.h"
00021 #include "unity/unity.h"
00022 #include "utest/utest.h"
00023 
00024 #include "mbedtls/sha256.h"
00025 
00026 
00027 using namespace utest::v1;
00028 
00029 #if defined(MBEDTLS_SHA256_C)
00030 /* Tests several call to mbedtls_sha256_update function that are not modulo 64 bytes */
00031 void test_case_sha256_split() {
00032   const unsigned char test_buf[] = {"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopqabcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopqabcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"};
00033   // sha256_output_values for 3*abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq
00034   const unsigned char test_sum[] =
00035   { 0x50, 0xEA, 0x82, 0x5D, 0x96, 0x84, 0xF4, 0x22,
00036     0x9C, 0xA2, 0x9F, 0x1F, 0xEC, 0x51, 0x15, 0x93,
00037     0xE2, 0x81, 0xE4, 0x6A, 0x14, 0x0D, 0x81, 0xE0,
00038     0x00, 0x5F, 0x8F, 0x68, 0x86, 0x69, 0xA0, 0x6C};
00039   unsigned char outsum[32];
00040   int i;
00041 
00042   mbedtls_sha256_context ctx;
00043   printf("test sha256\n");
00044   mbedtls_sha256_init( &ctx );
00045   mbedtls_sha256_starts( &ctx, 0);
00046   #if 0
00047     printf("test not splitted\n");
00048     mbedtls_sha256_update( &ctx, test_buf, 168 );
00049   #else
00050     printf("test splitted into 3 pieces\n");
00051     mbedtls_sha256_update( &ctx, test_buf, 2 );
00052     mbedtls_sha256_update( &ctx, test_buf+2, 66 );
00053     mbedtls_sha256_update( &ctx, test_buf+68, 100 );
00054   #endif
00055   
00056     mbedtls_sha256_finish( &ctx, outsum );
00057     mbedtls_sha256_free( &ctx );
00058   
00059     printf("\nreceived result : ");
00060     for (i=0;i<32;i++) { printf("%02X",outsum[i]);}
00061     printf("\nawaited result  : 50EA825D9684F4229CA29F1FEC511593E281E46A140D81E0005F8F688669A06C\n"); // for  abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq
00062   
00063     printf("\nend of test sha256\n");
00064   TEST_ASSERT_EQUAL_UINT8_ARRAY(outsum, test_sum,32);
00065 }
00066 
00067 /* Tests that treating 2 sha256 objects in // does not impact the result */
00068 void test_case_sha256_multi() {
00069     const unsigned char test_buf[] = {"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopqabcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopqabcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"};
00070     const unsigned char test_buf2[] = {"abcdefghijklmnopqrstuvwxyz012345678901234567890123456789"};
00071 
00072     // sha256_output_values for abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq
00073     const unsigned char test_sum1[] =
00074     { 0x24, 0x8D, 0x6A, 0x61, 0xD2, 0x06, 0x38, 0xB8,
00075       0xE5, 0xC0, 0x26, 0x93, 0x0C, 0x3E, 0x60, 0x39,
00076       0xA3, 0x3C, 0xE4, 0x59, 0x64, 0xFF, 0x21, 0x67,
00077       0xF6, 0xEC, 0xED, 0xD4, 0x19, 0xDB, 0x06, 0xC1 };
00078     // sha256_output_values for 3*abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq
00079     const unsigned char test_sum2[] =
00080     { 0x50, 0xEA, 0x82, 0x5D, 0x96, 0x84, 0xF4, 0x22,
00081       0x9C, 0xA2, 0x9F, 0x1F, 0xEC, 0x51, 0x15, 0x93,
00082       0xE2, 0x81, 0xE4, 0x6A, 0x14, 0x0D, 0x81, 0xE0,
00083       0x00, 0x5F, 0x8F, 0x68, 0x86, 0x69, 0xA0, 0x6C};
00084     // sha256_output_values for abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopqabcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopqabcdefghijklmnopqrstuvwxyz012345678901234567890123456789
00085     const unsigned char test_sum3[] =
00086     { 0x6D, 0x5D, 0xDB, 0x5F, 0x4A, 0x94, 0xAB, 0x7E,
00087       0x5C, 0xF7, 0x9A, 0xD8, 0x3F, 0x58, 0xD3, 0x97,
00088       0xFE, 0x79, 0xFB, 0x0D, 0x79, 0xB2, 0x0D, 0x22,
00089       0xFF, 0x95, 0x9F, 0x04, 0xA2, 0xE4, 0x6C, 0x68};
00090     unsigned char outsum1[32], outsum2[32], outsum3[32];
00091     int i;
00092 
00093     mbedtls_sha256_context ctx1;
00094     mbedtls_sha256_context ctx2;
00095     mbedtls_sha256_context ctx3;
00096     printf("test sha256_multi\n");
00097     //Init both contexts
00098     mbedtls_sha256_init( &ctx1);
00099     mbedtls_sha256_init( &ctx2);
00100     mbedtls_sha256_init( &ctx3);
00101     //Start both contexts
00102     mbedtls_sha256_starts( &ctx1, 0);
00103     mbedtls_sha256_starts( &ctx2, 0);
00104 
00105     printf("upd ctx1\n");
00106     mbedtls_sha256_update( &ctx1, test_buf, 56 );
00107     printf("upd ctx2\n");
00108     mbedtls_sha256_update( &ctx2, test_buf, 66 );
00109     printf("finish ctx1\n");
00110     mbedtls_sha256_finish( &ctx1, outsum1 );
00111     printf("upd ctx2\n");
00112     mbedtls_sha256_update( &ctx2, test_buf+66, 46 );
00113     printf("clone ctx2 in ctx3\n");
00114     mbedtls_sha256_clone(&ctx3, (const mbedtls_sha256_context *)&ctx2);
00115     printf("free ctx1\n");
00116     mbedtls_sha256_free( &ctx1 );
00117     printf("upd ctx2\n");
00118     mbedtls_sha256_update( &ctx2, test_buf+112, 56 );
00119     printf("upd ctx3 with different values than ctx2\n");
00120     mbedtls_sha256_update( &ctx3, test_buf2, 56 );
00121     printf("finish ctx2\n");
00122     mbedtls_sha256_finish( &ctx2, outsum2 );
00123     printf("finish ctx3\n");
00124     mbedtls_sha256_finish( &ctx3, outsum3 );
00125     printf("free ctx2\n");
00126     mbedtls_sha256_free( &ctx2 );
00127     printf("free ctx3\n");
00128     mbedtls_sha256_free( &ctx3 );
00129 
00130     printf("\nreceived result ctx1 : ");
00131     for (i=0;i<32;i++) { printf("%02X",outsum1[i]);}
00132     printf("\nawaited result       : 248D6A61D20638B8E5C026930C3E6039A33CE45964FF216F6ECEDD19DB06C1\n"); // for  abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq
00133     printf("\nreceived result ctx2 : ");
00134     for (i=0;i<32;i++) { printf("%02X",outsum2[i]);}
00135     printf("\nawaited result       : 50EA825D9684F4229CA29F1FEC511593E281E46A140D81E0005F8F688669A06C\n"); // for  3*abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq
00136     printf("\nreceived result ctx3 : ");
00137     for (i=0;i<32;i++) { printf("%02X",outsum3[i]);}
00138     printf("\nawaited result       : 6D5DDB5F4A94AB7E5CF79AD83F58D397FE79FB0D79B20D22FF959F04A2E46C68\n"); // for 2*abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq+3*0123456789
00139     printf("\nend of test sha256\n");
00140     TEST_ASSERT_EQUAL_UINT8_ARRAY(outsum1, test_sum1,32);
00141     TEST_ASSERT_EQUAL_UINT8_ARRAY(outsum2, test_sum2,32);
00142     TEST_ASSERT_EQUAL_UINT8_ARRAY(outsum3, test_sum3,32);
00143 }
00144 #endif //MBEDTLS_SHA256_C
00145 
00146 utest::v1::status_t greentea_failure_handler(const Case *const source, const failure_t reason) {
00147     greentea_case_failure_abort_handler(source, reason);
00148     return STATUS_CONTINUE;
00149 }
00150 
00151 Case cases[] = {
00152 #if defined(MBEDTLS_SHA256_C)
00153     Case("Crypto: sha256_split", test_case_sha256_split, greentea_failure_handler),
00154     Case("Crypto: sha256_multi", test_case_sha256_multi, greentea_failure_handler),
00155 #endif
00156 };
00157 
00158 utest::v1::status_t greentea_test_setup(const size_t number_of_cases) {
00159     GREENTEA_SETUP(10, "default_auto");
00160     return greentea_test_setup_handler(number_of_cases);
00161 }
00162 
00163 Specification specification(greentea_test_setup, cases, greentea_test_teardown_handler);
00164 
00165 int main() {
00166     Harness::run(specification);
00167 }