mirror of
https://github.com/EQEmu/Server.git
synced 2025-12-12 09:31:30 +00:00
350 lines
8.0 KiB
C++
350 lines
8.0 KiB
C++
#include "encryption.h"
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#ifdef EQEMU_USE_OPENSSL
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#include <openssl/des.h>
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#include <openssl/sha.h>
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#include <openssl/md5.h>
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#endif
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#ifdef EQEMU_USE_MBEDTLS
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#include <mbedtls/des.h>
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#include <mbedtls/md5.h>
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#include <mbedtls/sha1.h>
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#include <mbedtls/sha512.h>
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#endif
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#include <cstring>
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#include <string>
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#ifdef ENABLE_SECURITY
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#include <sodium.h>
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#endif
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std::string GetEncryptionByModeId(uint32 mode)
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{
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switch (mode) {
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case EncryptionModeMD5:
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return "MD5";
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case EncryptionModeMD5PassUser:
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return "MD5PassUser";
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case EncryptionModeMD5UserPass:
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return "MD5UserPass";
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case EncryptionModeMD5Triple:
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return "MD5Triple";
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case EncryptionModeSHA:
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return "SHA";
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case EncryptionModeSHAPassUser:
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return "SHAPassUser";
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case EncryptionModeSHAUserPass:
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return "SHAUserPass";
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case EncryptionModeSHATriple:
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return "SHATriple";
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case EncryptionModeSHA512:
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return "SHA512";
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case EncryptionModeSHA512PassUser:
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return "SHA512PassUser";
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case EncryptionModeSHA512UserPass:
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return "SHA512UserPass";
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case EncryptionModeSHA512Triple:
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return "SHA512Triple";
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case EncryptionModeArgon2:
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return "Argon2";
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case EncryptionModeSCrypt:
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return "SCrypt";
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default:
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return "";
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}
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}
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const char *eqcrypt_block(const char *buffer_in, size_t buffer_in_sz, char *buffer_out, bool enc)
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{
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#ifdef EQEMU_USE_MBEDTLS
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if (enc) {
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if (buffer_in_sz % 8 != 0) {
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auto temp_buffer_sz = ((buffer_in_sz / 8) + 1) * 8;
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unsigned char *temp_buffer = new unsigned char[temp_buffer_sz];
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unsigned char *temp_buffer_in = &temp_buffer[0];
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unsigned char *temp_buffer_out = &temp_buffer[temp_buffer_sz];
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memset(temp_buffer, 0, temp_buffer_sz * 2);
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memcpy(temp_buffer_in, buffer_in, buffer_in_sz);
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unsigned char key[MBEDTLS_DES_KEY_SIZE];
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unsigned char iv[8];
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memset(&key, 0, MBEDTLS_DES_KEY_SIZE);
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memset(&iv, 0, 8);
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mbedtls_des_context context;
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mbedtls_des_setkey_enc(&context, key);
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mbedtls_des_crypt_cbc(&context, MBEDTLS_DES_ENCRYPT, temp_buffer_sz, iv, (const unsigned char*)temp_buffer_in, (unsigned char*)temp_buffer_out);
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memcpy(buffer_out, temp_buffer_out, temp_buffer_sz);
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delete[] temp_buffer;
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}
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else {
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unsigned char key[MBEDTLS_DES_KEY_SIZE];
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unsigned char iv[8];
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memset(&key, 0, MBEDTLS_DES_KEY_SIZE);
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memset(&iv, 0, 8);
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mbedtls_des_context context;
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mbedtls_des_setkey_enc(&context, key);
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mbedtls_des_crypt_cbc(&context, MBEDTLS_DES_ENCRYPT, buffer_in_sz, iv, (const unsigned char*)buffer_in, (unsigned char*)buffer_out);
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}
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}
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else {
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if (buffer_in_sz && buffer_in_sz % 8 != 0) {
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return nullptr;
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}
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unsigned char key[MBEDTLS_DES_KEY_SIZE];
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unsigned char iv[8];
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memset(&key, 0, MBEDTLS_DES_KEY_SIZE);
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memset(&iv, 0, 8);
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mbedtls_des_context context;
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mbedtls_des_setkey_dec(&context, key);
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mbedtls_des_crypt_cbc(&context, MBEDTLS_DES_DECRYPT, buffer_in_sz, iv, (const unsigned char*)buffer_in, (unsigned char*)buffer_out);
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}
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#endif
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#ifdef EQEMU_USE_OPENSSL
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DES_key_schedule k;
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DES_cblock v;
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memset(&k, 0, sizeof(DES_key_schedule));
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memset(&v, 0, sizeof(DES_cblock));
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if (!enc && buffer_in_sz && buffer_in_sz % 8 != 0) {
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return nullptr;
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}
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DES_ncbc_encrypt((const unsigned char*)buffer_in, (unsigned char*)buffer_out, (long)buffer_in_sz, &k, &v, enc);
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#endif
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return buffer_out;
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}
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std::string eqcrypt_md5(const std::string &msg)
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{
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std::string ret;
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ret.reserve(32);
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#ifdef EQEMU_USE_MBEDTLS
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unsigned char digest[16];
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char temp[4];
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if (0 == mbedtls_md5_ret((const unsigned char*)msg.c_str(), msg.length(), digest)) {
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for (int i = 0; i < 16; ++i) {
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sprintf(&temp[0], "%02x", digest[i]);
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ret.push_back(temp[0]);
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ret.push_back(temp[1]);
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}
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}
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#endif
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#ifdef EQEMU_USE_OPENSSL
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unsigned char md5_digest[16];
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char tmp[4];
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MD5((const unsigned char*)msg.c_str(), msg.length(), md5_digest);
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for (int i = 0; i < 16; ++i) {
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sprintf(&tmp[0], "%02x", md5_digest[i]);
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ret.push_back(tmp[0]);
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ret.push_back(tmp[1]);
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}
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#endif
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return ret;
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}
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std::string eqcrypt_sha1(const std::string &msg)
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{
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std::string ret;
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ret.reserve(40);
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#ifdef EQEMU_USE_MBEDTLS
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unsigned char digest[20];
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char temp[4];
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if (0 == mbedtls_sha1_ret((const unsigned char*)msg.c_str(), msg.length(), digest)) {
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for (int i = 0; i < 20; ++i) {
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sprintf(&temp[0], "%02x", digest[i]);
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ret.push_back(temp[0]);
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ret.push_back(temp[1]);
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}
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}
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#endif
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#ifdef EQEMU_USE_OPENSSL
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unsigned char sha_digest[20];
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char tmp[4];
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SHA1((const unsigned char*)msg.c_str(), msg.length(), sha_digest);
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for (int i = 0; i < 20; ++i) {
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sprintf(&tmp[0], "%02x", sha_digest[i]);
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ret.push_back(tmp[0]);
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ret.push_back(tmp[1]);
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}
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#endif
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return ret;
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}
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std::string eqcrypt_sha512(const std::string &msg)
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{
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std::string ret;
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ret.reserve(128);
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#ifdef EQEMU_USE_MBEDTLS
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unsigned char digest[64];
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char temp[4];
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if (0 == mbedtls_sha512_ret((const unsigned char*)msg.c_str(), msg.length(), digest, 0)) {
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for (int i = 0; i < 64; ++i) {
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sprintf(&temp[0], "%02x", digest[i]);
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ret.push_back(temp[0]);
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ret.push_back(temp[1]);
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}
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}
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#endif
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#ifdef EQEMU_USE_OPENSSL
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unsigned char sha_digest[64];
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char tmp[4];
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SHA512((const unsigned char*)msg.c_str(), msg.length(), sha_digest);
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for (int i = 0; i < 64; ++i) {
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sprintf(&tmp[0], "%02x", sha_digest[i]);
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ret.push_back(tmp[0]);
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ret.push_back(tmp[1]);
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}
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#endif
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return ret;
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}
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#ifdef ENABLE_SECURITY
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/**
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* @param msg
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* @return
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*/
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std::string eqcrypt_argon2(const std::string &msg)
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{
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char buffer[crypto_pwhash_STRBYTES] = {0};
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std::string ret;
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if (crypto_pwhash_str(
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&buffer[0],
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&msg[0],
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msg.length(),
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crypto_pwhash_OPSLIMIT_INTERACTIVE,
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crypto_pwhash_MEMLIMIT_INTERACTIVE
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) != 0) {
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return "";
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}
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ret = buffer;
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return ret;
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}
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/**
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* @param msg
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* @return
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*/
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std::string eqcrypt_scrypt(const std::string &msg)
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{
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char buffer[crypto_pwhash_scryptsalsa208sha256_STRBYTES] = {0};
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std::string ret;
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if (crypto_pwhash_scryptsalsa208sha256_str(
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&buffer[0],
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&msg[0],
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msg.length(),
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crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_INTERACTIVE,
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crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_INTERACTIVE
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) != 0) {
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return "";
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}
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ret = buffer;
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return ret;
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}
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#endif
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/**
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* @param username
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* @param password
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* @param mode
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* @return
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*/
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std::string eqcrypt_hash(const std::string &username, const std::string &password, int mode)
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{
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switch (mode) {
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case EncryptionModeMD5:
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return eqcrypt_md5(password);
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case EncryptionModeMD5PassUser:
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return eqcrypt_md5(password + ":" + username);
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case EncryptionModeMD5UserPass:
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return eqcrypt_md5(username + ":" + password);
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case EncryptionModeMD5Triple:
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return eqcrypt_md5(eqcrypt_md5(username) + eqcrypt_md5(password));
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case EncryptionModeSHA:
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return eqcrypt_sha1(password);
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case EncryptionModeSHAPassUser:
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return eqcrypt_sha1(password + ":" + username);
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case EncryptionModeSHAUserPass:
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return eqcrypt_sha1(username + ":" + password);
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case EncryptionModeSHATriple:
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return eqcrypt_sha1(eqcrypt_sha1(username) + eqcrypt_sha1(password));
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case EncryptionModeSHA512:
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return eqcrypt_sha512(password);
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case EncryptionModeSHA512PassUser:
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return eqcrypt_sha512(password + ":" + username);
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case EncryptionModeSHA512UserPass:
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return eqcrypt_sha512(username + ":" + password);
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case EncryptionModeSHA512Triple:
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return eqcrypt_sha512(eqcrypt_sha512(username) + eqcrypt_sha512(password));
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#ifdef ENABLE_SECURITY
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case EncryptionModeArgon2:
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return eqcrypt_argon2(password);
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case EncryptionModeSCrypt:
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return eqcrypt_scrypt(password);
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#endif
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//todo bcrypt? pbkdf2?
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default:
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return "";
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break;
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}
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}
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/**
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* @param username
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* @param password
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* @param pwhash
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* @param mode
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* @return
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*/
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bool eqcrypt_verify_hash(const std::string &username, const std::string &password, const std::string &pwhash, int mode)
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{
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switch (mode) {
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#ifdef ENABLE_SECURITY
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case 13:
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return crypto_pwhash_str_verify(&pwhash[0], &password[0], password.length()) == 0;
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case 14:
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return crypto_pwhash_scryptsalsa208sha256_str_verify(&pwhash[0], &password[0], password.length()) == 0;
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#endif
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default: {
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auto hash = eqcrypt_hash(username, password, mode);
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return hash.compare(pwhash) == 0;
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}
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}
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return false;
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}
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