/// <summary>
/// Check the hash value of a specific DG file with the stored hash value in a SOd file.
/// </summary>
/// <param name="dgFile">DG file from which the hash needs to be checked.</param>
/// <param name="sod">SOd file containing the hash for the DG file.</param>
/// <returns>True if the hash of the DG file matches the value stored in the SOd file.</returns>
public static bool CheckHash(IDGFile dgFile, SODFile sod)
{
foreach (DataGroupHash hash in sod.GetDataGroupHashes())
{
if (hash.DataGroupNumber == dgFile.DataGroupNumber)
{
SHA256 sha256 = SHA256.Create();
byte[] dgHash = sha256.ComputeHash(dgFile.RawBytes);
byte[] sodHash = hash.DataGroupHashValue.GetOctets();
return(Compare(dgHash, sodHash));
}
}
throw new ArgumentException("Hash of DG" + dgFile.DataGroupNumber + " not found in SOd.");
}
/// <summary>
/// Check the hash value of a specific DG file with the stored hash value in a SOd file.
/// </summary>
/// <param name="dgFile">DG file from which the hash needs to be checked.</param>
/// <param name="sod">SOd file containing the hash for the DG file.</param>
/// <returns>True if the hash of the DG file matches the value stored in the SOd file.</returns>
public static bool CheckHash(IDGFile dgFile, SODFile sod)
{
foreach (DataGroupHash hash in sod.GetDataGroupHashes())
{
if (hash.DataGroupNumber == dgFile.DataGroupNumber)
{
SHA256 sha256 = SHA256.Create();
byte[] dgHash = sha256.ComputeHash(dgFile.RawBytes);
byte[] sodHash = hash.DataGroupHashValue.GetOctets();
return Compare(dgHash, sodHash);
}
}
throw new ArgumentException("Hash of DG" + dgFile.DataGroupNumber + " not found in SOd.");
}