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fix(esp_wifi): Use supplicant's internal SHA1 if not available from IDF

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This commit is contained in:
Kapil Gupta
2025-04-15 13:01:30 +05:30
committed by harshal.patil
parent 5bd3fb9f0c
commit adfec6463d
3 changed files with 16 additions and 3 deletions
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13
components/wpa_supplicant/CMakeLists.txt
View File

@ -114,7 +114,6 @@ endif()
if(CONFIG_ESP_WIFI_MBEDTLS_CRYPTO)
set(crypto_src
"esp_supplicant/src/crypto/fastpbkdf2.c"
"esp_supplicant/src/crypto/crypto_mbedtls.c"
"esp_supplicant/src/crypto/crypto_mbedtls-bignum.c"
"esp_supplicant/src/crypto/crypto_mbedtls-rsa.c"
@ -127,7 +126,14 @@ if(CONFIG_ESP_WIFI_MBEDTLS_CRYPTO)
if(NOT CONFIG_MBEDTLS_DES_C)
set(crypto_src ${crypto_src} "src/crypto/des-internal.c")
endif()
if(NOT CONFIG_MBEDTLS_SHA1_C)
if(NOT CONFIG_MBEDTLS_SHA1_C AND NOT CONFIG_MBEDTLS_HARDWARE_SHA)
set(crypto_src ${crypto_src} "src/crypto/sha1-pbkdf2.c"
${crypto_src} "src/crypto/sha1.c"
${crypto_src} "src/crypto/sha1-internal.c")
else()
set(crypto_src ${crypto_src} "esp_supplicant/src/crypto/fastpbkdf2.c")
endif()
if(NOT CONFIG_MBEDTLS_SHA1_C AND CONFIG_MBEDTLS_HARDWARE_SHA)
set(crypto_src ${crypto_src} "src/crypto/sha1.c")
endif()
# Enabling this only for WiFi is probably not a good idea since MbedTLS
@ -317,7 +323,8 @@ if(NOT CONFIG_ESP_WIFI_MBEDTLS_TLS_CLIENT)
endif()
if(CONFIG_ESP_WIFI_MBEDTLS_CRYPTO)
target_compile_definitions(${COMPONENT_LIB} PRIVATE CONFIG_CRYPTO_MBEDTLS)
else()
endif()
if(NOT CONFIG_MBEDTLS_SHA1_C AND NOT CONFIG_MBEDTLS_HARDWARE_SHA)
target_compile_definitions(${COMPONENT_LIB} PRIVATE CONFIG_CRYPTO_INTERNAL)
endif()
if(CONFIG_ESP_WIFI_WPS_SOFTAP_REGISTRAR)

4
components/wpa_supplicant/esp_supplicant/src/crypto/crypto_mbedtls.c
View File

@ -105,6 +105,7 @@ int sha512_vector(size_t num_elem, const u8 *addr[], const size_t *len,
return digest_vector(MBEDTLS_MD_SHA512, num_elem, addr, len, mac);
}
#if CONFIG_MBEDTLS_SHA1_C || CONFIG_MBEDTLS_HARDWARE_SHA
int sha1_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
{
#if defined(MBEDTLS_SHA1_C)
@ -130,6 +131,7 @@ exit:
return -ENOTSUP;
#endif
}
#endif
int md5_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
{
@ -773,6 +775,7 @@ cleanup:
return ret;
}
#if defined(CONFIG_MBEDTLS_SHA1_C) || defined(CONFIG_MBEDTLS_HARDWARE_SHA)
int pbkdf2_sha1(const char *passphrase, const u8 *ssid, size_t ssid_len,
int iterations, u8 *buf, size_t buflen)
{
@ -800,6 +803,7 @@ cleanup:
return ret;
#endif
}
#endif /* defined(CONFIG_MBEDTLS_SHA1_C) || defined(CONFIG_MBEDTLS_HARDWARE_SHA) */
#ifdef MBEDTLS_DES_C
int des_encrypt(const u8 *clear, const u8 *key, u8 *cypher)

2
components/wpa_supplicant/test_apps/main/test_fast_pbkdf2.c
View File

@ -22,6 +22,7 @@ void fastpbkdf2_hmac_sha1(const uint8_t *pw, size_t npw,
int64_t esp_timer_get_time(void);
#if defined(CONFIG_MBEDTLS_SHA1_C) || defined(CONFIG_MBEDTLS_HARDWARE_SHA)
TEST_CASE("Test pbkdf2", "[crypto-pbkdf2]")
{
set_leak_threshold(130);
@ -105,3 +106,4 @@ TEST_CASE("Test pbkdf2", "[crypto-pbkdf2]")
ESP_LOGI("Timing", "Average time for fast_pbkdf2_sha1: %lld microseconds", avg_time_fast);
ESP_LOGI("Timing", "Average time for mbedtls_pkcs5_pbkdf2_hmac_ext: %lld microseconds", avg_time_mbedtls);
}
#endif