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feat(wpa_supplicant): Add AES-CBC-128 encrypt/decrypt wrap APIs

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This commit is contained in:
dongheng
2019-05-08 14:19:47 +08:00
parent 34b5169803
commit 9402943622
1 changed files with 47 additions and 0 deletions
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47
components/wpa_supplicant/src/crypto/aes-cbc.c
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@ -91,4 +91,51 @@ aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data, size_t data_len)
return 0;
}
#else /* CONFIG_ESP_AES */
#include <string.h>
#include "esp_aes.h"
#ifndef AES_BLOCK_SIZE
#define AES_BLOCK_SIZE 16
#endif
int aes_128_cbc_encrypt(const uint8_t *key, const uint8_t *iv, uint8_t *data, size_t data_len)
{
int ret;
esp_aes_t ctx;
uint8_t iv_tmp[AES_BLOCK_SIZE];
ret = esp_aes_set_encrypt_key(&ctx, key, 128);
if (ret)
return ret;
memcpy(iv_tmp, iv, AES_BLOCK_SIZE);
ret = esp_aes_encrypt_cbc(&ctx, data, data_len, data, data_len, iv_tmp);
if (ret)
return ret;
return 0;
}
int aes_128_cbc_decrypt(const uint8_t *key, const uint8_t *iv, uint8_t *data, size_t data_len)
{
int ret;
esp_aes_t ctx;
uint8_t iv_tmp[AES_BLOCK_SIZE];
ret = esp_aes_set_decrypt_key(&ctx, key, 128);
if (ret)
return ret;
memcpy(iv_tmp, iv, AES_BLOCK_SIZE);
ret = esp_aes_decrypt_cbc(&ctx, data, data_len, data, data_len, iv_tmp);
if (ret)
return ret;
return 0;
}
#endif /* CONFIG_ESP_AES */