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Cleanup input checks.

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This commit is contained in:
jordan
2023-01-14 23:04:29 -06:00
parent 4f4819bd19
commit 4c35a22e0a
1 changed files with 11 additions and 7 deletions
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18
wolfcrypt/src/evp.c
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@ -739,19 +739,23 @@ int wolfSSL_EVP_CipherUpdate(WOLFSSL_EVP_CIPHER_CTX *ctx,
int fill;
WOLFSSL_ENTER("wolfSSL_EVP_CipherUpdate");
if (inl == 0 && in == NULL ) {
/* Nothing to do in this case. Just set outl to zero and return. */
if (outl != NULL) { *outl = 0; }
return WOLFSSL_SUCCESS;
}
if ((ctx == NULL) || (inl < 0) || (outl == NULL) || (in == NULL)) {
if ((ctx == NULL) || (outl == NULL)) {
WOLFSSL_MSG("Bad argument");
return WOLFSSL_FAILURE;
}
*outl = 0;
if ((inl == 0) && (in == NULL)) {
/* Nothing to do in this case. Just return. */
return WOLFSSL_SUCCESS;
}
if ((inl < 0) || (in == NULL)) {
WOLFSSL_MSG("Bad argument");
return WOLFSSL_FAILURE;
}
switch (ctx->cipherType) {
#if !defined(NO_AES) && defined(HAVE_AESGCM)
case AES_128_GCM_TYPE: