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https://github.com/espressif/esp-idf.git
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69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
/*
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* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Unlicense OR CC0-1.0
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*/
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#include "string.h"
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#include <inttypes.h>
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#include "unity.h"
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#include "utils/common.h"
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#include "mbedtls/pkcs5.h"
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#include "crypto/sha1.h"
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#if SOC_WIFI_SUPPORTED
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#define PMK_LEN 32
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TEST_CASE("Test pbkdf2", "[crypto-pbkdf2]")
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{
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uint8_t PMK[PMK_LEN];
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uint8_t ssid_len;
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uint8_t passphrase_len;
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uint8_t ssid[MAX_SSID_LEN];
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uint8_t passphrase[MAX_PASSPHRASE_LEN];
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uint8_t expected_pmk1[PMK_LEN] =
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{0xe7, 0x90, 0xd0, 0x65, 0x67, 0xf0, 0xbf, 0xca, 0xca, 0x10, 0x88, 0x0b, 0x85, 0xb2, 0x33, 0xe5,
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0xe1, 0xd5, 0xe5, 0xb8, 0xd0, 0xfd, 0x94, 0x60, 0x56, 0x95, 0x5e, 0x41, 0x5a, 0x7f, 0xfa, 0xfa};
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uint8_t expected_pmk[PMK_LEN];
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/* Compare Fast PBKDF output with expected output*/
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pbkdf2_sha1("espressif", (uint8_t *)"espressif", strlen("espressif"), 4096, PMK, PMK_LEN);
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TEST_ASSERT(memcmp(PMK, expected_pmk1, PMK_LEN) == 0);
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/* Compare fast PBKDF output with mbedtls pbkdf2 function's output */
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pbkdf2_sha1("espressif2", (uint8_t *)"espressif2", strlen("espressif2"), 4096, PMK, PMK_LEN);
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mbedtls_pkcs5_pbkdf2_hmac_ext(MBEDTLS_MD_SHA1, (const unsigned char *) "espressif2",
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strlen("espressif2") , (const unsigned char *)"espressif2",
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strlen("espressif2"), 4096, PMK_LEN, expected_pmk);
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TEST_ASSERT(memcmp(PMK, expected_pmk, PMK_LEN) == 0);
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/* Calculate PMK using random ssid and passphrase and compare */
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os_memset(ssid, 0, MAX_SSID_LEN);
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os_memset(passphrase, 0, MAX_PASSPHRASE_LEN);
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ssid_len = os_random();
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ssid_len %= MAX_SSID_LEN;
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os_get_random(ssid, ssid_len);
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passphrase_len = os_random();
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passphrase_len %= MAX_PASSPHRASE_LEN;
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os_get_random(passphrase, passphrase_len);
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pbkdf2_sha1((char *)passphrase, ssid, ssid_len, 4096, PMK, PMK_LEN);
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mbedtls_pkcs5_pbkdf2_hmac_ext(MBEDTLS_MD_SHA1, (const unsigned char *) passphrase,
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strlen((char *)passphrase) , (const unsigned char *)ssid,
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ssid_len, 4096, PMK_LEN, expected_pmk);
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/* Dump values if fails */
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if (memcmp(PMK, expected_pmk, PMK_LEN) != 0) {
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ESP_LOG_BUFFER_HEXDUMP("passphrase", passphrase, passphrase_len, ESP_LOG_INFO);
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ESP_LOG_BUFFER_HEXDUMP("ssid", ssid, ssid_len, ESP_LOG_INFO);
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ESP_LOG_BUFFER_HEXDUMP("PMK", PMK, PMK_LEN, ESP_LOG_INFO);
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ESP_LOG_BUFFER_HEXDUMP("expected_pmk", expected_pmk, PMK_LEN, ESP_LOG_INFO);
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}
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TEST_ASSERT(memcmp(PMK, expected_pmk, PMK_LEN) == 0);
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}
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#endif /* SOC_WIFI_SUPPORTED */
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