public void ExportImportEncryptTest()
{
byte[] toEncrypt = new byte[] { 1, 2, 3, 4 };
string filePath = @".\TestPublic.Key";
try
{
File.Delete(filePath);
}
catch (Exception) { }
ManagedRSAEncryption util = new ManagedRSAEncryption();
util.ExportPublicKeytoFile(TestProvider, TestKeyName, filePath);
Assert.IsTrue(File.Exists(filePath));
byte[] encryptedBytes = util.EncryptWithFileKey(filePath, toEncrypt);
Assert.IsNotNull(encryptedBytes);
byte[] decryptedBytes = util.DecryptWithLocalKey(TestProvider, TestKeyName, encryptedBytes);
Assert.AreEqual(System.Convert.ToBase64String(toEncrypt), System.Convert.ToBase64String(decryptedBytes));
try
{
File.Delete(filePath);
}
catch (Exception) { }
}
protected override void ProcessRecord()
{
byte[] pfxData;
if (this.ParameterSetName == PFXBase64String)
{
pfxData = Convert.FromBase64String(Base64EncodedPfx);
}
else
{
pfxData = File.ReadAllBytes(PathToPfxFile);
}
X509Certificate2 pfxCert = new X509Certificate2();
try
{
pfxCert.Import(pfxData, PfxPassword, X509KeyStorageFlags.DefaultKeySet);
}
catch (CryptographicException ex)
{
if (ex.HResult == ErrorCodeCantOpenFile)
{
ThrowTerminatingError(
new ErrorRecord(
new ArgumentException(
string.Format("Could not Read Thumbprint on file at path: '{0}'. File must be a certificate.", PathToPfxFile), ex),
Guid.NewGuid().ToString(),
ErrorCategory.InvalidArgument,
null));
}
else if (ex.HResult == ErrorCodeNetworkPasswordIncorrect)
{
ThrowTerminatingError(
new ErrorRecord(
new ArgumentException("Could not Read Thumbprint. Verify Password is Correct.", ex),
Guid.NewGuid().ToString(),
ErrorCategory.InvalidArgument,
null));
}
else
{
ThrowTerminatingError(
new ErrorRecord(
new ArgumentException("Could not Read Thumbprint. Unknown Cause", ex),
Guid.NewGuid().ToString(),
ErrorCategory.InvalidArgument,
null));
}
}
ManagedRSAEncryption encryptUtility = new ManagedRSAEncryption();
byte[] password = new byte[PfxPassword.Length];
GCHandle pinnedPasswordHandle = GCHandle.Alloc(password, GCHandleType.Pinned);
byte[] encryptedPassword = null;
try
{
ConvertSecureStringToByteArray(PfxPassword, ref password);
string hashAlgorithm;
int paddingFlags;
switch (PaddingScheme)
{
case UserPfxPaddingScheme.Pkcs1:
case UserPfxPaddingScheme.OaepSha1:
ThrowTerminatingError(
new ErrorRecord(
new ArgumentException("Pkcs1 and OaepSha1 are no longer supported."),
Guid.NewGuid().ToString(),
ErrorCategory.InvalidArgument,
null));
return;
case UserPfxPaddingScheme.OaepSha256:
hashAlgorithm = PaddingHashAlgorithmNames.SHA256;
paddingFlags = PaddingFlags.OAEPPadding;
break;
case UserPfxPaddingScheme.OaepSha384:
hashAlgorithm = PaddingHashAlgorithmNames.SHA384;
paddingFlags = PaddingFlags.OAEPPadding;
break;
case UserPfxPaddingScheme.None:
PaddingScheme = UserPfxPaddingScheme.OaepSha512;
goto default; // Since C# doesn't allow switch-case fall-through!
case UserPfxPaddingScheme.OaepSha512:
default:
hashAlgorithm = PaddingHashAlgorithmNames.SHA512;
paddingFlags = PaddingFlags.OAEPPadding;
break;
}
if (KeyFilePath != null)
{
encryptedPassword = encryptUtility.EncryptWithFileKey(KeyFilePath, password, hashAlgorithm, paddingFlags);
}
else
{
encryptedPassword = encryptUtility.EncryptWithLocalKey(ProviderName, KeyName, password, hashAlgorithm, paddingFlags);
}
}
finally
{
if (password != null)
{
password.ZeroFill();
}
if (pinnedPasswordHandle.IsAllocated)
{
pinnedPasswordHandle.Free();
}
}
string encryptedPasswordString = Convert.ToBase64String(encryptedPassword);
UserPFXCertificate userPfxCertifiate = new UserPFXCertificate();
userPfxCertifiate.Thumbprint = pfxCert.Thumbprint.ToLowerInvariant();
userPfxCertifiate.IntendedPurpose = (UserPfxIntendedPurpose)IntendedPurpose;
userPfxCertifiate.PaddingScheme = (UserPfxPaddingScheme)PaddingScheme;
userPfxCertifiate.KeyName = KeyName;
userPfxCertifiate.UserPrincipalName = UPN;
userPfxCertifiate.ProviderName = ProviderName;
userPfxCertifiate.StartDateTime = Convert.ToDateTime(pfxCert.GetEffectiveDateString(), CultureInfo.CurrentCulture);
userPfxCertifiate.ExpirationDateTime = Convert.ToDateTime(pfxCert.GetExpirationDateString(), CultureInfo.CurrentCulture);
userPfxCertifiate.CreatedDateTime = DateTime.Now;
userPfxCertifiate.LastModifiedDateTime = DateTime.Now;
userPfxCertifiate.EncryptedPfxPassword = encryptedPasswordString;
userPfxCertifiate.EncryptedPfxBlob = pfxData;
WriteObject(userPfxCertifiate);
}
