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2026-09-13 23:11:25

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Signed-off-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie
2026-09-13 23:11:25 +00:00
parent d9159fefdd
commit 37e033c560
3 changed files with 8 additions and 7 deletions
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src/common/uuid.cpp
+2 -2
View File
@@ -208,9 +208,9 @@ UUID UUID::MakeRandomRFC4122V4() {
return uuid;
}
UUID UUID::MakeRFC4122V5(std::span<u8, 20> sha1) {
UUID UUID::MakeRFC4122V5(std::span<u8, 16> sha1) {
UUID uuid{};
std::memcpy(&uuid.uuid, sha1.data(), sizeof(UUID));
std::memcpy(&uuid.uuid, sha1.data(), sha1.size());
uuid.uuid[8] = 0x80 | (uuid.uuid[8] & 0x3F);
uuid.uuid[6] = 0x50 | (uuid.uuid[6] & 0xF);
return uuid;
src/common/uuid.h
+1 -1
View File
@@ -104,7 +104,7 @@ struct UUID {
/// @returns A random UUID that is RFC 4122 Version 4 compliant.
[[nodiscard]] static UUID MakeRandomRFC4122V4();
[[nodiscard]] static UUID MakeRFC4122V5(std::span<u8, 20> sha1);
[[nodiscard]] static UUID MakeRFC4122V5(std::span<u8, 16> sha1);
friend constexpr bool operator==(const UUID& lhs, const UUID& rhs) = default;
};
src/core/hle/service/am/service/application_functions.cpp
+5 -4
View File
@@ -347,21 +347,22 @@ Result IApplicationFunctions::NotifyRunning(Out<bool> out_became_running) {
Result IApplicationFunctions::GetPseudoDeviceId(Out<Common::UUID> out_pseudo_device_id) {
LOG_WARNING(Service_AM, "(stubbed)");
R_UNLESS(out_pseudo_device_id, ResultUnknown);
R_UNLESS(out_pseudo_device_id != nullptr, ResultUnknown);
// This should be hashed with the device specific hash
// for now this will do
const auto res = FileSys::PatchManager::GetMetadataFromBaseOrUpdate(system, m_applet->program_id);
u8 hash[EVP_MAX_MD_SIZE];
R_UNLESS(res.first != nullptr, ResultUnknown);
std::array<u8, EVP_MAX_MD_SIZE> hash;
unsigned int hash_len = 0;
auto const seed = res.first->raw.seed_for_pseudo_device_id;
EVP_MD_CTX *ctx = EVP_MD_CTX_new();
auto const algorithm = EVP_sha1();
EVP_DigestInit_ex(ctx, algorithm, nullptr);
EVP_DigestUpdate(ctx, &seed, sizeof(seed));
EVP_DigestFinal_ex(ctx, hash, &hash_len);
EVP_DigestFinal_ex(ctx, hash.data(), &hash_len);
EVP_MD_CTX_free(ctx);
*out_pseudo_device_id = Common::UUID::MakeRFC4122V5(std::span<u8, 20>{hash, std::size(hash)});
*out_pseudo_device_id = Common::UUID::MakeRFC4122V5(std::span<u8, 16>{hash.begin(), hash.begin() + 16});
R_SUCCEED();
}