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Cedar/Proto_OpenVPN: add support for GCM ciphers

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This commit is contained in:
Davide Beatrici
2018-11-03 16:14:56 +01:00
parent aae9ec0492
commit 9afcc91ae1
2 changed files with 207 additions and 107 deletions
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4
src/Cedar/Proto_OpenVPN.h
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@ -127,6 +127,7 @@
#define OPENVPN_MAX_SSL_RECV_BUF_SIZE (256 * 1024) // SSL receive buffer maximum length
#define OPENVPN_MAX_KEY_SIZE 64 // Maximum key size
#define OPENVPN_TAG_SIZE 16 // Tag size (for packet authentication in AEAD mode)
#define OPENVPN_TMP_BUFFER_SIZE (65536 + 256) // Temporary buffer size
@ -241,9 +242,10 @@ struct OPENVPN_CHANNEL
CIPHER *CipherDecrypt; // Decryption algorithm
MD *MdSend; // Transmission MD algorithm
MD *MdRecv; // Reception MD algorithm
UCHAR IvSend[64]; // Transmission IV
UCHAR IvRecv[64]; // Reception IV
UCHAR MasterSecret[48]; // Master Secret
UCHAR ExpansionKey[256]; // Expansion Key
UCHAR NextIv[64]; // Next IV
UINT LastDataPacketId; // Previous Data Packet ID
UINT64 EstablishedTick; // Established time
UCHAR KeyId; // KEY ID