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fix for handling of error case with AES devcrypto

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JacobBarthelmeh
2026-05-11 17:00:00 -06:00
parent bd178bff7c
commit 43b0d0d8ab
1 changed files with 10 additions and 6 deletions
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wolfcrypt/src/port/devcrypto/devcrypto_aes.c
+10 -6
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@@ -253,13 +253,17 @@ int wc_AesCtrEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
/* create key stream for later if needed */
if (sz > 0) {
Aes tmpAes;
if ((ret = wc_AesSetKey(&tmpAes, (byte*)aes->devKey, aes->keylen,
(byte*)aes->reg, AES_ENCRYPTION)) != 0)
return ret;
if ((ret = wc_AesEncryptDirect(&tmpAes, (byte*)aes->tmp,
(const byte*)aes->reg)) != 0)
return ret;
ret = wc_AesSetKey(&tmpAes, (byte*)aes->devKey, aes->keylen,
(byte*)aes->reg, AES_ENCRYPTION);
if (ret == 0) {
ret = wc_AesEncryptDirect(&tmpAes, (byte*)aes->tmp,
(const byte*)aes->reg);
}
wc_AesFree(&tmpAes);
ForceZero(&tmpAes, sizeof(tmpAes));
if (ret != 0)
return ret;
IncrementAesCounter((byte*)aes->reg);
aes->left = WC_AES_BLOCK_SIZE - (sz % WC_AES_BLOCK_SIZE);