mirror of
				https://github.com/espressif/esp-idf.git
				synced 2025-11-03 22:08:28 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			103 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * SPDX-FileCopyrightText: 2020-2025 Espressif Systems (Shanghai) CO LTD
 | 
						|
 *
 | 
						|
 * SPDX-License-Identifier: Apache-2.0
 | 
						|
 */
 | 
						|
 | 
						|
#include "esp_tls_crypto.h"
 | 
						|
#include "esp_log.h"
 | 
						|
#include "esp_err.h"
 | 
						|
#include "sdkconfig.h"
 | 
						|
__attribute__((unused)) static const char *TAG = "esp_crypto";
 | 
						|
#ifdef CONFIG_ESP_TLS_USING_MBEDTLS
 | 
						|
#include "mbedtls/sha1.h"
 | 
						|
#include "mbedtls/base64.h"
 | 
						|
#include "mbedtls/error.h"
 | 
						|
#define _esp_crypto_sha1 esp_crypto_sha1_mbedtls
 | 
						|
#define _esp_crypto_base64_encode esp_crypto_bas64_encode_mbedtls
 | 
						|
#elif  CONFIG_ESP_TLS_USING_WOLFSSL
 | 
						|
#include "wolfssl/ssl.h" /* SHA functions are listed in wolfssl/ssl.h */
 | 
						|
#include "wolfssl/wolfcrypt/coding.h"
 | 
						|
#define _esp_crypto_sha1 esp_crypto_sha1_wolfSSL
 | 
						|
#define _esp_crypto_base64_encode esp_crypto_base64_encode_woflSSL
 | 
						|
#endif
 | 
						|
 | 
						|
#ifdef CONFIG_ESP_TLS_USING_MBEDTLS
 | 
						|
static int esp_crypto_sha1_mbedtls( const unsigned char *input,
 | 
						|
                                    size_t ilen,
 | 
						|
                                    unsigned char output[20])
 | 
						|
{
 | 
						|
#if CONFIG_MBEDTLS_SHA1_C || CONFIG_MBEDTLS_HARDWARE_SHA
 | 
						|
    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 | 
						|
    mbedtls_sha1_context ctx;
 | 
						|
 | 
						|
    mbedtls_sha1_init(&ctx);
 | 
						|
 | 
						|
    if ((ret = mbedtls_sha1_starts(&ctx)) != 0) {
 | 
						|
        goto exit;
 | 
						|
    }
 | 
						|
 | 
						|
    if ((ret = mbedtls_sha1_update(&ctx, input, ilen)) != 0) {
 | 
						|
        goto exit;
 | 
						|
    }
 | 
						|
 | 
						|
    if ((ret = mbedtls_sha1_finish(&ctx, output)) != 0) {
 | 
						|
        goto exit;
 | 
						|
    }
 | 
						|
 | 
						|
exit:
 | 
						|
    mbedtls_sha1_free(&ctx);
 | 
						|
    if (ret != 0) {
 | 
						|
        ESP_LOGE(TAG, "Error in calculating sha1 sum , Returned 0x%02X", ret);
 | 
						|
    }
 | 
						|
    return ret;
 | 
						|
#else
 | 
						|
    ESP_LOGE(TAG, "Please enable CONFIG_MBEDTLS_SHA1_C or CONFIG_MBEDTLS_HARDWARE_SHA to support SHA1 operations");
 | 
						|
    return MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED;
 | 
						|
#endif /*  CONFIG_MBEDTLS_SHA1_C || CONFIG_MBEDTLS_HARDWARE_SHA*/
 | 
						|
}
 | 
						|
 | 
						|
static int esp_crypto_bas64_encode_mbedtls( unsigned char *dst, size_t dlen,
 | 
						|
        size_t *olen, const unsigned char *src,
 | 
						|
        size_t slen)
 | 
						|
{
 | 
						|
    return mbedtls_base64_encode(dst, dlen, olen, src, slen);
 | 
						|
}
 | 
						|
 | 
						|
#elif CONFIG_ESP_TLS_USING_WOLFSSL
 | 
						|
static int esp_crypto_sha1_wolfSSL( const unsigned char *input,
 | 
						|
                                    size_t ilen,
 | 
						|
                                    unsigned char output[20])
 | 
						|
{
 | 
						|
    unsigned char *ret = wolfSSL_SHA1(input, ilen, output);
 | 
						|
    if (ret == NULL) {
 | 
						|
        ESP_LOGE(TAG, "Error in calculating sha1 sum");
 | 
						|
        return -1;
 | 
						|
    }
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static int esp_crypto_base64_encode_woflSSL(unsigned char *dst, size_t dlen, size_t *olen,
 | 
						|
        const unsigned char *src, size_t slen)
 | 
						|
{
 | 
						|
    *olen = dlen;
 | 
						|
    return Base64_Encode_NoNl((const byte *) src, (word32) slen, (byte *) dst, (word32 *) olen);
 | 
						|
}
 | 
						|
 | 
						|
#else
 | 
						|
#error "No TLS/SSL Stack selected"
 | 
						|
#endif
 | 
						|
 | 
						|
int esp_crypto_sha1( const unsigned char *input,
 | 
						|
                     size_t ilen,
 | 
						|
                     unsigned char output[20])
 | 
						|
{
 | 
						|
    return _esp_crypto_sha1(input, ilen, output);
 | 
						|
}
 | 
						|
 | 
						|
int esp_crypto_base64_encode(unsigned char *dst, size_t dlen, size_t *olen,
 | 
						|
                             const unsigned char *src, size_t slen )
 | 
						|
{
 | 
						|
    return _esp_crypto_base64_encode(dst, dlen, olen, src, slen);
 | 
						|
}
 |