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			81 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <stdio.h>
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| #include <stdlib.h>
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| #include <string.h>
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| #include "esp_types.h"
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| #include "esp32c3/clk.h"
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| #include "esp_log.h"
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| #include "esp_timer.h"
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| #include "esp_heap_caps.h"
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| #include "idf_performance.h"
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| 
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| #include "unity.h"
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| #include "test_utils.h"
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| #include "mbedtls/sha1.h"
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| #include "mbedtls/sha256.h"
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| #include "sha/sha_dma.h"
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| 
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| /* Note: Most of the SHA functions are called as part of mbedTLS, so
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| are tested as part of mbedTLS tests. Only esp_sha() is different.
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| */
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| 
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| #define TAG "sha_test"
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| 
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| TEST_CASE("Test esp_sha()", "[hw_crypto]")
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| {
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|     const size_t BUFFER_SZ = 32 * 1024 + 6; // NB: not an exact multiple of SHA block size
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| 
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|     int64_t begin, end;
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|     uint32_t us_sha1;
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|     uint8_t sha1_result[20] = { 0 };
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|     void *buffer = heap_caps_malloc(BUFFER_SZ, MALLOC_CAP_8BIT|MALLOC_CAP_INTERNAL);
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|     TEST_ASSERT_NOT_NULL(buffer);
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|     memset(buffer, 0xEE, BUFFER_SZ);
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| 
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|     const uint8_t sha1_expected[20] = { 0xc7, 0xbb, 0xd3, 0x74, 0xf2, 0xf6, 0x20, 0x86,
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|                                         0x61, 0xf4, 0x50, 0xd5, 0xf5, 0x18, 0x44, 0xcc,
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|                                         0x7a, 0xb7, 0xa5, 0x4a };
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| 
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|     begin = esp_timer_get_time();
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|     esp_sha(SHA1, buffer, BUFFER_SZ, sha1_result);
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|     end = esp_timer_get_time();
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|     TEST_ASSERT_EQUAL_HEX8_ARRAY(sha1_expected, sha1_result, sizeof(sha1_expected));
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|     us_sha1 = end - begin;
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|     ESP_LOGI(TAG, "esp_sha() 32KB SHA1 in %u us", us_sha1);
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| 
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|     free(buffer);
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| 
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|     TEST_PERFORMANCE_CCOMP_LESS_THAN(TIME_SHA1_32KB, "%dus", us_sha1);
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| }
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| 
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| TEST_CASE("Test esp_sha() function with long input", "[hw_crypto]")
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| {
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|     const void* ptr;
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|     spi_flash_mmap_handle_t handle;
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|     uint8_t sha1_espsha[20] = { 0 };
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|     uint8_t sha1_mbedtls[20] = { 0 };
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|     uint8_t sha256_espsha[32] = { 0 };
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|     uint8_t sha256_mbedtls[32] = { 0 };
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| 
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|     const size_t LEN = 1024 * 1024;
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| 
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|     /* mmap() 1MB of flash, we don't care what it is really */
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|     esp_err_t err = spi_flash_mmap(0x0, LEN, SPI_FLASH_MMAP_DATA, &ptr, &handle);
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| 
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|     TEST_ASSERT_EQUAL_HEX32(ESP_OK, err);
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|     TEST_ASSERT_NOT_NULL(ptr);
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| 
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|     /* Compare esp_sha() result to the mbedTLS result, should always be the same */
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| 
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|     esp_sha(SHA1, ptr, LEN, sha1_espsha);
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|     int r = mbedtls_sha1_ret(ptr, LEN, sha1_mbedtls);
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|     TEST_ASSERT_EQUAL(0, r);
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| 
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|     esp_sha(SHA2_256, ptr, LEN, sha256_espsha);
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|     r = mbedtls_sha256_ret(ptr, LEN, sha256_mbedtls, 0);
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|     TEST_ASSERT_EQUAL(0, r);
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| 
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|     TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha1_espsha, sha1_mbedtls, sizeof(sha1_espsha), "SHA1 results should match");
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| 
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|     TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha256_espsha, sha256_mbedtls, sizeof(sha256_espsha), "SHA256 results should match");
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| }
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