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Core/Battle.net: Fixed encryption

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This commit is contained in:
Shauren
2014-05-04 11:49:32 +02:00
parent 769fadd104
commit f0d6f87138
2 changed files with 11 additions and 8 deletions
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17
src/server/authserver/Server/BattlenetPacketCrypt.cpp
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@@ -26,14 +26,17 @@ Battlenet::PacketCrypt::PacketCrypt() : ::PacketCrypt(SHA256_DIGEST_LENGTH)
void Battlenet::PacketCrypt::Init(BigNumber* K)
{
uint8 ServerEncryptionKey[SEED_KEY_SIZE] = { 0x68, 0xE0, 0xC7, 0x2E, 0xDD, 0xD6, 0xD2, 0xF3, 0x1E, 0x5A, 0xB1, 0x55, 0xB1, 0x8B, 0x63, 0x1E };
HmacHash serverEncryptHmac(SEED_KEY_SIZE, ServerEncryptionKey, EVP_sha256(), SHA256_DIGEST_LENGTH);
uint8 *encryptHash = serverEncryptHmac.ComputeHash(K);
uint8 ClientDecryptionKey[SEED_KEY_SIZE] = { 0xDE, 0xA9, 0x65, 0xAE, 0x54, 0x3A, 0x1E, 0x93, 0x9E, 0x69, 0x0C, 0xAA, 0x68, 0xDE, 0x78, 0x39 };
HmacHash clientDecryptHmac(SEED_KEY_SIZE, ClientDecryptionKey, EVP_sha256(), SHA256_DIGEST_LENGTH);
uint8 *decryptHash = clientDecryptHmac.ComputeHash(K);
_clientDecrypt.Init(decryptHash);
_serverEncrypt.Init(encryptHash);
HmacHash serverEncryptHmac(K->GetNumBytes(), K->AsByteArray().get(), EVP_sha256(), SHA256_DIGEST_LENGTH);
serverEncryptHmac.UpdateData(ServerEncryptionKey, SEED_KEY_SIZE);
serverEncryptHmac.Finalize();
HmacHash clientDecryptHmac(K->GetNumBytes(), K->AsByteArray().get(), EVP_sha256(), SHA256_DIGEST_LENGTH);
clientDecryptHmac.UpdateData(ClientDecryptionKey, SEED_KEY_SIZE);
clientDecryptHmac.Finalize();
_clientDecrypt.Init(clientDecryptHmac.GetDigest());
_serverEncrypt.Init(serverEncryptHmac.GetDigest());
_initialized = true;
}

2
src/server/shared/Cryptography/HmacHash.cpp
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@@ -20,7 +20,7 @@
#include "BigNumber.h"
#include "Common.h"
HmacHash::HmacHash(uint32 len, uint8 *seed, EVP_MD const* hasher, uint32 digestLength)
HmacHash::HmacHash(uint32 len, uint8 *seed, EVP_MD const* hasher, uint32 digestLength) : _digestLength(digestLength)
{
HMAC_CTX_init(&_ctx);
HMAC_Init_ex(&_ctx, seed, len, hasher, NULL);