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wolfcrypt: wc_encrypt: add missing wc_AesFree()

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This commit is contained in:
Marco Oliverio
2021-12-29 16:25:08 +01:00
parent 933065d696
commit 2679c386ae
1 changed files with 6 additions and 0 deletions
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6
wolfcrypt/src/wc_encrypt.c
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@ -625,6 +625,8 @@ int wc_CryptKey(const char* password, int passwordSz, byte* salt,
case PBE_AES256_CBC:
case PBE_AES128_CBC:
{
int free_aes;
#ifdef WOLFSSL_SMALL_STACK
Aes *aes;
aes = (Aes *)XMALLOC(sizeof *aes, NULL, DYNAMIC_TYPE_AES);
@ -633,8 +635,10 @@ int wc_CryptKey(const char* password, int passwordSz, byte* salt,
#else
Aes aes[1];
#endif
free_aes = 0;
ret = wc_AesInit(aes, NULL, INVALID_DEVID);
if (ret == 0) {
free_aes = 1;
if (enc) {
ret = wc_AesSetKey(aes, key, derivedLen, cbcIv,
AES_ENCRYPTION);
@ -650,6 +654,8 @@ int wc_CryptKey(const char* password, int passwordSz, byte* salt,
else
ret = wc_AesCbcDecrypt(aes, input, input, length);
}
if (free_aes)
wc_AesFree(aes);
ForceZero(aes, sizeof(Aes));
#ifdef WOLFSSL_SMALL_STACK
XFREE(aes, NULL, DYNAMIC_TYPE_AES);