Use VerifyData

xPaw · xPaw · commit 9a8b2f67c0a3 · 2025-11-18T15:21:59.000+02:00
diff --git a/ValvePak/ValvePak/Package.Verify.cs b/ValvePak/ValvePak/Package.Verify.cs
@@ -255,8 +255,8 @@ public bool IsSignatureValid()
 					return false;
 				}
 
-				var sha256OfMd5 = SHA256.HashData(hash); // SHA256(MD5) is certainly a choice
-				return rsa.VerifyHash(sha256OfMd5, Signature, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
+				// SHA256(MD5) is certainly a choice
+				return rsa.VerifyData(hash, Signature, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
 			}
 
 			if (SignatureType != ESignatureType.FullFile)

Original file line number	Diff line number	Diff line change
`@@ -255,8 +255,8 @@ public bool IsSignatureValid()`
`255`	`255`	`return false;`
`256`	`256`	`}`
`257`	`257`
`258`		`- var sha256OfMd5 = SHA256.HashData(hash); // SHA256(MD5) is certainly a choice`
`259`		`- return rsa.VerifyHash(sha256OfMd5, Signature, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);`
	`258`	`+ // SHA256(MD5) is certainly a choice`
	`259`	`+ return rsa.VerifyData(hash, Signature, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);`
`260`	`260`	`}`
`261`	`261`
`262`	`262`	`if (SignatureType != ESignatureType.FullFile)`