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This commit is contained in:
tomrus88 2009-03-08 14:35:15 +03:00
parent 8f9849969b
commit 2626d8c243
7 changed files with 77 additions and 53 deletions
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38
src/shared/Auth/SARC4.cpp
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@ -21,36 +21,32 @@
SARC4::SARC4()
{
EVP_CIPHER_CTX_init(&m_encryptctx);
EVP_EncryptInit_ex(&m_encryptctx, EVP_rc4(), NULL, NULL, NULL);
EVP_CIPHER_CTX_set_key_length(&m_encryptctx, SHA_DIGEST_LENGTH);
EVP_CIPHER_CTX_init(&m_decryptctx);
EVP_DecryptInit_ex(&m_decryptctx, EVP_rc4(), NULL, NULL, NULL);
EVP_CIPHER_CTX_set_key_length(&m_decryptctx, SHA_DIGEST_LENGTH);
EVP_CIPHER_CTX_init(&m_ctx);
EVP_EncryptInit_ex(&m_ctx, EVP_rc4(), NULL, NULL, NULL);
EVP_CIPHER_CTX_set_key_length(&m_ctx, SHA_DIGEST_LENGTH);
}
SARC4::SARC4(uint8 *seed)
{
EVP_CIPHER_CTX_init(&m_ctx);
EVP_EncryptInit_ex(&m_ctx, EVP_rc4(), NULL, NULL, NULL);
EVP_CIPHER_CTX_set_key_length(&m_ctx, SHA_DIGEST_LENGTH);
EVP_EncryptInit_ex(&m_ctx, NULL, NULL, seed, NULL);
}
SARC4::~SARC4()
{
EVP_CIPHER_CTX_cleanup(&m_encryptctx);
EVP_CIPHER_CTX_cleanup(&m_decryptctx);
EVP_CIPHER_CTX_cleanup(&m_ctx);
}
void SARC4::Init(uint8 *seed1, uint8 *seed2)
void SARC4::Init(uint8 *seed)
{
EVP_EncryptInit_ex(&m_encryptctx, NULL, NULL, seed1, NULL);
EVP_DecryptInit_ex(&m_decryptctx, NULL, NULL, seed2, NULL);
EVP_EncryptInit_ex(&m_ctx, NULL, NULL, seed, NULL);
}
void SARC4::Encrypt(uint32 len, uint8 *data)
void SARC4::UpdateData(int len, uint8 *data)
{
int outlen = 0;
EVP_EncryptUpdate(&m_encryptctx, data, &outlen, data, len);
EVP_EncryptFinal_ex(&m_encryptctx, data, &outlen);
}
void SARC4::Decrypt(uint32 len, uint8 *data)
{
int outlen = 0;
EVP_DecryptUpdate(&m_decryptctx, data, &outlen, data, len);
EVP_DecryptFinal_ex(&m_decryptctx, data, &outlen);
EVP_EncryptUpdate(&m_ctx, data, &outlen, data, len);
EVP_EncryptFinal_ex(&m_ctx, data, &outlen);
}