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fix(libs): fix nid compute algorithm - no lib name

This commit is contained in:
boykopovar 2026-08-21 17:19:22 +03:00
parent f23cc495f4
commit 54e66624ec
2 changed files with 29 additions and 35 deletions
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62
core/libs/nid/src/NidCompute.cpp
View File

@ -1,50 +1,42 @@
#include <nid/NidCompute.hpp>
#include <nid/Sha1.hpp>
#include <stdexcept>
#include <cstdint>
namespace Nid {
namespace {
constexpr uint8_t kNidSuffix[16] = {
0x51, 0x8D, 0x64, 0xA6, 0x35, 0xDE, 0xD8, 0xC1,
0xE6, 0xB0, 0x39, 0xB1, 0xC3, 0xE5, 0x52, 0x30
};
constexpr char kBase64Chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-";
std::string _base64Encode(const std::uint8_t* data, std::size_t len) {
std::string out;
out.reserve(((len + 2u) / 3u) * 4u);
for (std::size_t i = 0; i < len; i += 3u) {
std::uint32_t group = static_cast<std::uint32_t>(data[i]) << 16u;
if (i + 1u < len) group |= static_cast<std::uint32_t>(data[i+1u]) << 8u;
if (i + 2u < len) group |= static_cast<std::uint32_t>(data[i+2u]);
out.push_back(kBase64Chars[(group >> 18u) & 0x3fu]);
out.push_back(kBase64Chars[(group >> 12u) & 0x3fu]);
out.push_back((i + 1u < len) ? kBase64Chars[(group >> 6u) & 0x3fu] : '=');
out.push_back((i + 2u < len) ? kBase64Chars[(group) & 0x3fu] : '=');
}
return out;
}
}
constexpr char kBase64S[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-";
std::string ComputeNid(const std::string& symbolName, const std::string& libraryName) {
if (symbolName.empty()) throw std::invalid_argument("symbolName is empty");
if (libraryName.empty()) throw std::invalid_argument("libraryName is empty");
if (symbolName.empty())
throw std::invalid_argument("symbolName is empty");
std::vector<std::uint8_t> input;
input.reserve(symbolName.size() + 1u + libraryName.size() + 1u + libraryName.size() + 1u);
for (char c : symbolName) input.push_back(static_cast<std::uint8_t>(c));
input.push_back(0x00u);
for (char c : libraryName) input.push_back(static_cast<std::uint8_t>(c));
input.push_back(0x00u);
for (char c : libraryName) input.push_back(static_cast<std::uint8_t>(c));
input.push_back(0x00u);
std::vector<uint8_t> input;
input.reserve(symbolName.size() + 16u);
for (char c : symbolName)
input.push_back(static_cast<uint8_t>(c));
for (uint8_t b : kNidSuffix)
input.push_back(b);
const auto digest = Sha1(input);
const std::string b64 = _base64Encode(digest.data(), digest.size());
uint64_t v = 0;
if (b64.size() < 11u) throw std::runtime_error("base64 output too short");
return b64.substr(0u, 11u) + '#';
for (int i = 0; i < 8; i++)
v = (v << 8) | digest[7 - i];
char nid[12];
for (int i = 10; i >= 0; i--) {
nid[i] = kBase64S[v & 0x3F];
v >>= 6;
}
nid[11] = '\0';
return std::string(nid, 11);
}
}
}

2
core/libs/prx/libc/Export.cpp
View File

@ -4,6 +4,8 @@
#include <ctime>
#include "SceTypes.hpp"
uint32_t g_need_flag = 1;
extern "C" {
void exit_nid_postfix(int code) {