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Fix potential NULL pointer dereference

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This commit is contained in:
icy17
2024-08-01 15:43:34 +08:00
parent a836b3bd5e
commit e2017772c7
2 changed files with 22 additions and 0 deletions
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10
src/Mayaqua/Encrypt.c
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@ -351,6 +351,11 @@ MD *NewMdEx(char *name, bool hmac)
#else
m->Ctx = EVP_MD_CTX_create();
#endif
if (m->Ctx == NULL)
{
return NULL;
}
if (EVP_DigestInit_ex(m->Ctx, m->Md, NULL) == false)
{
Debug("NewMdEx(): EVP_DigestInit_ex() failed with error: %s\n", OpenSSL_Error());
@ -4604,6 +4609,11 @@ DH_CTX *DhNew(char *prime, UINT g)
dh = ZeroMalloc(sizeof(DH_CTX));
dh->dh = DH_new();
if (dh->dh == NULL)
{
return NULL;
}
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
dhp = BinToBigNum(buf->Buf, buf->Size);
dhg = BN_new();