public static byte[] EncryptDataUsingIdentity(byte[] data, X509Certificate2 certificateRef)
{
byte[] hashFromCertificate = SEBProtectionController.GetPublicKeyHashFromCertificate(certificateRef);
byte[] numArray1 = SEBProtectionController.EncryptDataWithCertificate(data, certificateRef);
byte[] numArray2 = new byte[numArray1.Length + 4 + hashFromCertificate.Length];
Buffer.BlockCopy((Array)Encoding.UTF8.GetBytes("pkhs"), 0, (Array)numArray2, 0, 4);
Buffer.BlockCopy((Array)hashFromCertificate, 0, (Array)numArray2, 4, hashFromCertificate.Length);
Buffer.BlockCopy((Array)numArray1, 0, (Array)numArray2, 4 + hashFromCertificate.Length, numArray1.Length);
return(numArray2);
}
/// ----------------------------------------------------------------------------------------
/// <summary>
/// Encrypt preferences using a certificate
/// </summary>
/// ----------------------------------------------------------------------------------------
public static byte[] EncryptDataUsingIdentity(byte[] data, X509Certificate2 certificateRef)
{
//get public key hash from selected identity's certificate
byte[] publicKeyHash = SEBProtectionController.GetPublicKeyHashFromCertificate(certificateRef);
//encrypt data using public key
byte[] encryptedData = SEBProtectionController.EncryptDataWithCertificate(data, certificateRef);
// Create byte array large enough to hold prefix, public key hash and encrypted data
byte[] encryptedSebData = new byte[encryptedData.Length + PREFIX_LENGTH + publicKeyHash.Length];
// Copy prefix indicating data has been encrypted with a public key identified by hash into out data
string prefixString = PUBLIC_KEY_HASH_MODE;
Buffer.BlockCopy(Encoding.UTF8.GetBytes(prefixString), 0, encryptedSebData, 0, PREFIX_LENGTH);
// Copy public key hash to out data
Buffer.BlockCopy(publicKeyHash, 0, encryptedSebData, PREFIX_LENGTH, publicKeyHash.Length);
// Copy encrypted data to out data
Buffer.BlockCopy(encryptedData, 0, encryptedSebData, PREFIX_LENGTH + publicKeyHash.Length, encryptedData.Length);
return encryptedSebData;
}