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修了不少东西

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FloatGaming
2026-07-16 23:04:59 +08:00
parent 29972d0705
commit 73fe474cc6
134 changed files with 7673 additions and 741 deletions
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Assets/scripts/_runtimecache/SecureSaveVault.cs
+54 -47
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@@ -373,12 +373,7 @@ public static class SecureSaveVault
private static string ComputeSignature(string category, string payloadBase64)
{
string signText = payloadBase64 + "|" + category + "|" + SaveIdentityUtility.GetPrimaryApplicationIdentifier() + "|" + SecretSeed + "|" + SystemInfo.deviceUniqueIdentifier;
using (var sha = SHA256.Create())
{
byte[] hash = sha.ComputeHash(Encoding.UTF8.GetBytes(signText));
return Convert.ToBase64String(hash);
}
return ComputeSignature(category, payloadBase64, SaveIdentityUtility.GetPrimaryApplicationIdentifier(), SaveIdentityUtility.GetPrimaryDeviceBinding());
}
private static byte[] ProtectBytes(string category, string key, byte[] plainBytes)
@@ -394,7 +389,7 @@ public static class SecureSaveVault
{
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.PKCS7;
aes.Key = BuildAesKey(category, key, SaveIdentityUtility.GetPrimaryApplicationIdentifier());
aes.Key = BuildAesKey(category, key, SaveIdentityUtility.GetPrimaryApplicationIdentifier(), SaveIdentityUtility.GetPrimaryDeviceBinding());
aes.GenerateIV();
using (var encryptor = aes.CreateEncryptor())
{
@@ -419,37 +414,41 @@ public static class SecureSaveVault
}
#endif
IReadOnlyList<string> identifierVariants = SaveIdentityUtility.GetApplicationIdentifierVariants();
IReadOnlyList<string> deviceBindingVariants = SaveIdentityUtility.GetDeviceBindingVariants();
for (int i = 0; i < identifierVariants.Count; i++)
{
using (var aes = Aes.Create())
for (int dv = 0; dv < deviceBindingVariants.Count; dv++)
{
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.PKCS7;
aes.Key = BuildAesKey(category, key, identifierVariants[i]);
int ivLength = aes.BlockSize / 8;
if (protectedBytes == null || protectedBytes.Length <= ivLength)
using (var aes = Aes.Create())
{
return false;
}
byte[] iv = new byte[ivLength];
byte[] cipher = new byte[protectedBytes.Length - ivLength];
Buffer.BlockCopy(protectedBytes, 0, iv, 0, ivLength);
Buffer.BlockCopy(protectedBytes, ivLength, cipher, 0, cipher.Length);
aes.IV = iv;
try
{
using (var decryptor = aes.CreateDecryptor())
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.PKCS7;
aes.Key = BuildAesKey(category, key, identifierVariants[i], deviceBindingVariants[dv]);
int ivLength = aes.BlockSize / 8;
if (protectedBytes == null || protectedBytes.Length <= ivLength)
{
plainBytes = decryptor.TransformFinalBlock(cipher, 0, cipher.Length);
if (plainBytes != null)
return false;
}
byte[] iv = new byte[ivLength];
byte[] cipher = new byte[protectedBytes.Length - ivLength];
Buffer.BlockCopy(protectedBytes, 0, iv, 0, ivLength);
Buffer.BlockCopy(protectedBytes, ivLength, cipher, 0, cipher.Length);
aes.IV = iv;
try
{
using (var decryptor = aes.CreateDecryptor())
{
return true;
plainBytes = decryptor.TransformFinalBlock(cipher, 0, cipher.Length);
if (plainBytes != null)
{
return true;
}
}
}
}
catch
{
catch
{
}
}
}
}
@@ -476,7 +475,7 @@ public static class SecureSaveVault
try
{
protectedBytes = s_dpapiProtectMethod.Invoke(null, new object[] { plainBytes, BuildEntropy(category, SaveIdentityUtility.GetPrimaryApplicationIdentifier()), s_dpapiCurrentUserScope }) as byte[];
protectedBytes = s_dpapiProtectMethod.Invoke(null, new object[] { plainBytes, BuildEntropy(category, SaveIdentityUtility.GetPrimaryApplicationIdentifier(), SaveIdentityUtility.GetPrimaryDeviceBinding()), s_dpapiCurrentUserScope }) as byte[];
return protectedBytes != null && protectedBytes.Length > 0;
}
catch (Exception ex)
@@ -496,18 +495,22 @@ public static class SecureSaveVault
}
IReadOnlyList<string> identifierVariants = SaveIdentityUtility.GetApplicationIdentifierVariants();
IReadOnlyList<string> deviceBindingVariants = SaveIdentityUtility.GetDeviceBindingVariants();
for (int i = 0; i < identifierVariants.Count; i++)
{
try
for (int d = 0; d < deviceBindingVariants.Count; d++)
{
plainBytes = s_dpapiUnprotectMethod.Invoke(null, new object[] { protectedBytes, BuildEntropy(category, identifierVariants[i]), s_dpapiCurrentUserScope }) as byte[];
if (plainBytes != null && plainBytes.Length > 0)
try
{
plainBytes = s_dpapiUnprotectMethod.Invoke(null, new object[] { protectedBytes, BuildEntropy(category, identifierVariants[i], deviceBindingVariants[d]), s_dpapiCurrentUserScope }) as byte[];
if (plainBytes != null && plainBytes.Length > 0)
{
return true;
}
}
catch
{
return true;
}
}
catch
{
}
}
@@ -560,20 +563,20 @@ public static class SecureSaveVault
}
#endif
private static byte[] BuildEntropy(string category, string applicationIdentifier)
private static byte[] BuildEntropy(string category, string applicationIdentifier, string deviceBinding)
{
string seed = applicationIdentifier + "|" + SystemInfo.deviceUniqueIdentifier + "|" + SecretSeed + "|" + category;
string seed = applicationIdentifier + "|" + deviceBinding + "|" + SecretSeed + "|" + category;
using (var sha = SHA256.Create())
{
return sha.ComputeHash(Encoding.UTF8.GetBytes(seed));
}
}
private static byte[] BuildAesKey(string category, string key, string applicationIdentifier)
private static byte[] BuildAesKey(string category, string key, string applicationIdentifier, string deviceBinding)
{
using (var sha = SHA256.Create())
{
string seed = applicationIdentifier + "|" + SystemInfo.deviceUniqueIdentifier + "|" + SecretSeed + "|" + category + "|" + key;
string seed = applicationIdentifier + "|" + deviceBinding + "|" + SecretSeed + "|" + category + "|" + key;
return sha.ComputeHash(Encoding.UTF8.GetBytes(seed));
}
}
@@ -635,21 +638,25 @@ public static class SecureSaveVault
private static bool TryValidateSignature(string category, string payloadBase64, string signature)
{
IReadOnlyList<string> identifierVariants = SaveIdentityUtility.GetApplicationIdentifierVariants();
IReadOnlyList<string> deviceBindingVariants = SaveIdentityUtility.GetDeviceBindingVariants();
for (int i = 0; i < identifierVariants.Count; i++)
{
string expectedSignature = ComputeSignature(category, payloadBase64, identifierVariants[i]);
if (string.Equals(expectedSignature, signature, StringComparison.Ordinal))
for (int d = 0; d < deviceBindingVariants.Count; d++)
{
return true;
string expectedSignature = ComputeSignature(category, payloadBase64, identifierVariants[i], deviceBindingVariants[d]);
if (string.Equals(expectedSignature, signature, StringComparison.Ordinal))
{
return true;
}
}
}
return false;
}
private static string ComputeSignature(string category, string payloadBase64, string applicationIdentifier)
private static string ComputeSignature(string category, string payloadBase64, string applicationIdentifier, string deviceBinding)
{
string signText = payloadBase64 + "|" + category + "|" + applicationIdentifier + "|" + SecretSeed + "|" + SystemInfo.deviceUniqueIdentifier;
string signText = payloadBase64 + "|" + category + "|" + applicationIdentifier + "|" + SecretSeed + "|" + deviceBinding;
using (var sha = SHA256.Create())
{
byte[] hash = sha.ComputeHash(Encoding.UTF8.GetBytes(signText));