diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_parser/fpdf_parser_encrypt.cpp')
| -rw-r--r-- | core/src/fpdfapi/fpdf_parser/fpdf_parser_encrypt.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_encrypt.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_encrypt.cpp index fadcd38b1b..e09bbbbb2e 100644 --- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_encrypt.cpp +++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_encrypt.cpp @@ -292,11 +292,11 @@ void Revision6_Hash(FX_LPCBYTE password, FX_DWORD size, FX_LPCBYTE salt, FX_LPCB FX_BOOL CPDF_StandardSecurityHandler::AES256_CheckPassword(FX_LPCBYTE password, FX_DWORD size, FX_BOOL bOwner, FX_LPBYTE key) { - CFX_ByteString okey = m_pEncryptDict->GetString(FX_BSTRC("O")); + CFX_ByteString okey = m_pEncryptDict ? m_pEncryptDict->GetString(FX_BSTRC("O")) : CFX_ByteString(); if (okey.GetLength() < 48) { return FALSE; } - CFX_ByteString ukey = m_pEncryptDict->GetString(FX_BSTRC("U")); + CFX_ByteString ukey = m_pEncryptDict ? m_pEncryptDict->GetString(FX_BSTRC("U")) : CFX_ByteString(); if (ukey.GetLength() < 48) { return FALSE; } @@ -331,7 +331,7 @@ FX_BOOL CPDF_StandardSecurityHandler::AES256_CheckPassword(FX_LPCBYTE password, } CRYPT_SHA256Finish(sha, digest); } - CFX_ByteString ekey = m_pEncryptDict->GetString(bOwner ? FX_BSTRC("OE") : FX_BSTRC("UE")); + CFX_ByteString ekey = m_pEncryptDict ? m_pEncryptDict->GetString(bOwner ? FX_BSTRC("OE") : FX_BSTRC("UE")) : CFX_ByteString(); if (ekey.GetLength() < 32) { return FALSE; } @@ -391,7 +391,7 @@ FX_BOOL CPDF_StandardSecurityHandler::CheckUserPassword(FX_LPCBYTE password, FX_ { CalcEncryptKey(m_pEncryptDict, password, pass_size, key, key_len, bIgnoreEncryptMeta, m_pParser->GetIDArray()); - CFX_ByteString ukey = m_pEncryptDict->GetString(FX_BSTRC("U")); + CFX_ByteString ukey = m_pEncryptDict ? m_pEncryptDict->GetString(FX_BSTRC("U")) : CFX_ByteString(); if (ukey.GetLength() < 16) { return FALSE; } |