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refactor(esp_wifi): Cleanup of wifi crypto funcs within wifi libs

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- Remove unnecessary funcs from wpa_crypto_funcs_t and consolidate some
  of their usages in wifi libs
This commit is contained in:
jgujarathi 2024-05-07 16:16:33 +05:30 committed by Kapil Gupta
parent 1635905523
commit 52bcdb9400
3 changed files with 2 additions and 63 deletions
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20
components/esp_wifi/include/esp_wifi_crypto_types.h
View File

@ -395,25 +395,8 @@ typedef uint32_t (*esp_crc32_le_t)(uint32_t crc, uint8_t const *buf, uint32_t le
typedef struct wpa_crypto_funcs_t {
uint32_t size; /**< The crypto callback function structure size */
uint32_t version; /**< The crypto callback function structure version */
esp_aes_wrap_t aes_wrap; /**< The AES wrap callback function used by esp_wifi */
esp_aes_unwrap_t aes_unwrap; /**< The AES unwrap callback function used by esp_wifi */
esp_hmac_sha256_vector_t hmac_sha256_vector; /**< The SHA256 callback function used by esp_wifi */
esp_sha256_prf_t sha256_prf; /**< The SHA256 PRF callback function used by esp_wifi */
esp_hmac_md5_t hmac_md5; /**< HMAC-MD5 callback function over data buffer (RFC 2104) */
esp_hmac_md5_vector_t hamc_md5_vector; /**< HMAC-MD5 callback function over data vector (RFC 2104) */
esp_hmac_sha1_t hmac_sha1; /**< HMAC-SHA1 callback function over data buffer (RFC 2104) */
esp_hmac_sha1_vector_t hmac_sha1_vector; /**< HMAC-SHA1 callback function over data vector (RFC 2104) */
esp_sha1_prf_t sha1_prf; /**< SHA1-based Pseudo-Random Function (PRF) (IEEE 802.11i, 8.5.1.1) callback function */
esp_sha1_vector_t sha1_vector; /**< SHA-1 hash callback function for data vector */
esp_pbkdf2_sha1_t pbkdf2_sha1; /**< SHA1-based key derivation function (PBKDF2) callback function for IEEE 802.11i */
esp_rc4_skip_t rc4_skip; /**< XOR RC4 stream callback function to given data with skip-stream-start */
esp_md5_vector_t md5_vector; /**< MD5 hash callback function for data vector */
esp_aes_encrypt_t aes_encrypt; /**< Encrypt one AES block callback function */
esp_aes_encrypt_init_t aes_encrypt_init; /**< Initialize AES callback function for encryption */
esp_aes_encrypt_deinit_t aes_encrypt_deinit; /**< Deinitialize AES encryption callback function */
esp_aes_decrypt_t aes_decrypt; /**< Decrypt one AES block callback function */
esp_aes_decrypt_init_t aes_decrypt_init; /**< Initialize AES callback function for decryption */
esp_aes_decrypt_deinit_t aes_decrypt_deinit; /**< Deinitialize AES decryption callback function */
esp_pbkdf2_sha1_t pbkdf2_sha1; /**< SHA1-based key derivation function (PBKDF2) callback function for IEEE 802.11 */
esp_aes_128_encrypt_t aes_128_encrypt; /**< The AES 128 encrypt callback function used by esp_wifi */
esp_aes_128_decrypt_t aes_128_decrypt; /**< The AES 128 decrypt callback function used by esp_wifi */
esp_omac1_aes_128_t omac1_aes_128; /**< One-Key CBC MAC (OMAC1) hash with AES-128 callback function for MIC computation */
@ -421,7 +404,6 @@ typedef struct wpa_crypto_funcs_t {
esp_ccmp_encrypt_t ccmp_encrypt; /**< Encrypt data callback function using CCMP */
esp_aes_gmac_t aes_gmac; /**< One-Key GMAC hash callback function with AES for MIC computation */
esp_sha256_vector_t sha256_vector; /**< SHA256 hash callback function for data vector */
esp_crc32_le_t crc32; /**< CRC32 value callback function in little endian */
} wpa_crypto_funcs_t;
/**

2
components/esp_wifi/lib

@ -1 +1 @@
Subproject commit 4b6a82d33dc357ff91f3ea1c40a1b7537d83149a
Subproject commit 8fb10b39ba685299c7bac1006c6e1eb77d5e46f8

43
components/wpa_supplicant/src/crypto/crypto_ops.c
View File

@ -17,26 +17,6 @@
#define DEFAULT_KEK_LEN 16
static int esp_aes_wrap(const u8 *kek, int n, const u8 *plain, u8 *cipher)
{
return aes_wrap(kek, DEFAULT_KEK_LEN, n, plain, cipher);
}
static int esp_aes_unwrap(const u8 *kek, int n, const u8 *cipher, u8 *plain)
{
return aes_unwrap(kek, DEFAULT_KEK_LEN, n, cipher, plain);
}
static void esp_aes_encrypt(void *ctx, const u8 *plain, u8 *crypt)
{
aes_encrypt(ctx, plain, crypt);
}
static void esp_aes_decrypt(void *ctx, const u8 *crypt, u8 *plain)
{
aes_decrypt(ctx, crypt, plain);
}
static int esp_aes_gmac(const u8 *key, size_t key_len, const u8 *iv, size_t iv_len,
const u8 *aad, size_t aad_len, u8 *tag)
{
@ -47,11 +27,6 @@ static int esp_aes_gmac(const u8 *key, size_t key_len, const u8 *iv, size_t iv_l
#endif
}
static uint32_t esp_supp_crc32(uint32_t crc, uint8_t const *buf, uint32_t len)
{
return esp_rom_crc32_le(crc, buf, len);
}
/*
* This structure is used to set the cyrpto callback function for station to connect when in security mode.
* These functions either call MbedTLS API's if CONFIG_CRYPTO_MBEDTLS flag is set through Kconfig, or native
@ -61,25 +36,8 @@ static uint32_t esp_supp_crc32(uint32_t crc, uint8_t const *buf, uint32_t len)
const wpa_crypto_funcs_t g_wifi_default_wpa_crypto_funcs = {
.size = sizeof(wpa_crypto_funcs_t),
.version = ESP_WIFI_CRYPTO_VERSION,
.aes_wrap = (esp_aes_wrap_t)esp_aes_wrap,
.aes_unwrap = (esp_aes_unwrap_t)esp_aes_unwrap,
.hmac_sha256_vector = (esp_hmac_sha256_vector_t)hmac_sha256_vector,
.sha256_prf = (esp_sha256_prf_t)sha256_prf,
.hmac_md5 = (esp_hmac_md5_t)hmac_md5,
.hamc_md5_vector = (esp_hmac_md5_vector_t)hmac_md5_vector,
.hmac_sha1 = (esp_hmac_sha1_t)hmac_sha1,
.hmac_sha1_vector = (esp_hmac_sha1_vector_t)hmac_sha1_vector,
.sha1_prf = (esp_sha1_prf_t)sha1_prf,
.sha1_vector = (esp_sha1_vector_t)sha1_vector,
.pbkdf2_sha1 = (esp_pbkdf2_sha1_t)pbkdf2_sha1,
.rc4_skip = (esp_rc4_skip_t)rc4_skip,
.md5_vector = (esp_md5_vector_t)md5_vector,
.aes_encrypt = (esp_aes_encrypt_t)esp_aes_encrypt,
.aes_encrypt_init = (esp_aes_encrypt_init_t)aes_encrypt_init,
.aes_encrypt_deinit = (esp_aes_encrypt_deinit_t)aes_encrypt_deinit,
.aes_decrypt = (esp_aes_decrypt_t)esp_aes_decrypt,
.aes_decrypt_init = (esp_aes_decrypt_init_t)aes_decrypt_init,
.aes_decrypt_deinit = (esp_aes_decrypt_deinit_t)aes_decrypt_deinit,
.aes_128_encrypt = (esp_aes_128_encrypt_t)aes_128_cbc_encrypt,
.aes_128_decrypt = (esp_aes_128_decrypt_t)aes_128_cbc_decrypt,
.omac1_aes_128 = (esp_omac1_aes_128_t)omac1_aes_128,
@ -87,7 +45,6 @@ const wpa_crypto_funcs_t g_wifi_default_wpa_crypto_funcs = {
.ccmp_encrypt = (esp_ccmp_encrypt_t)ccmp_encrypt,
.aes_gmac = (esp_aes_gmac_t)esp_aes_gmac,
.sha256_vector = (esp_sha256_vector_t)sha256_vector,
.crc32 = (esp_crc32_le_t)esp_supp_crc32,
};
const mesh_crypto_funcs_t g_wifi_default_mesh_crypto_funcs = {