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esp32/esp-tls: remove dependancy of esp_https_client and tcp_transport on mbedtls

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This commit is contained in:
Aditya Patwardhan
2020-08-04 13:27:06 +05:30
committed by bot
parent 8d65cee0a9
commit fa42beac97
4 changed files with 10 additions and 11 deletions
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11
components/tcp_transport/transport_ws.c
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@@ -8,10 +8,9 @@
#include "esp_transport_tcp.h"
#include "esp_transport_ws.h"
#include "esp_transport_utils.h"
#include "mbedtls/base64.h"
#include "mbedtls/sha1.h"
#include "esp_transport_internal.h"
#include "errno.h"
#include "esp_tls_crypto.h"
static const char *TAG = "TRANSPORT_WS";
@@ -118,7 +117,7 @@ static int ws_connect(esp_transport_handle_t t, const char *host, int port, int
const char *user_agent_ptr = (ws->user_agent)?(ws->user_agent):"ESP32 Websocket Client";
size_t outlen = 0;
mbedtls_base64_encode(client_key, sizeof(client_key), &outlen, random_key, sizeof(random_key));
esp_crypto_base64_encode(client_key, sizeof(client_key), &outlen, random_key, sizeof(random_key));
int len = snprintf(ws->buffer, WS_BUFFER_SIZE,
"GET %s HTTP/1.1\r\n"
"Connection: Upgrade\r\n"
@@ -183,7 +182,7 @@ static int ws_connect(esp_transport_handle_t t, const char *host, int port, int
return -1;
}
// See mbedtls_sha1_ret() arg size
// See esp_crypto_sha1() arg size
unsigned char expected_server_sha1[20];
// Size of base64 coded string see above
unsigned char expected_server_key[33] = {0};
@@ -194,8 +193,8 @@ static int ws_connect(esp_transport_handle_t t, const char *host, int port, int
strcat((char*)expected_server_text, expected_server_magic);
size_t key_len = strlen((char*)expected_server_text);
mbedtls_sha1_ret(expected_server_text, key_len, expected_server_sha1);
mbedtls_base64_encode(expected_server_key, sizeof(expected_server_key), &outlen, expected_server_sha1, sizeof(expected_server_sha1));
esp_crypto_sha1(expected_server_text, key_len, expected_server_sha1);
esp_crypto_base64_encode(expected_server_key, sizeof(expected_server_key), &outlen, expected_server_sha1, sizeof(expected_server_sha1));
expected_server_key[ (outlen < sizeof(expected_server_key)) ? outlen : (sizeof(expected_server_key) - 1) ] = 0;
ESP_LOGD(TAG, "server key=%s, send_key=%s, expected_server_key=%s", (char *)server_key, (char*)client_key, expected_server_key);
if (strcmp((char*)expected_server_key, (char*)server_key) != 0) {