public byte[] Decrypt(byte[] rgb, bool fOAEP)
{
if (rgb == null)
{
throw new ArgumentNullException("rgb");
}
this.GetKeyPair();
if (rgb.Length > this.KeySize / 8)
{
throw new CryptographicException(Environment.GetResourceString("Cryptography_Padding_DecDataTooBig", (object)(this.KeySize / 8)));
}
if (!this.CspKeyContainerInfo.RandomlyGenerated && !CompatibilitySwitches.IsAppEarlierThanWindowsPhone8)
{
KeyContainerPermission containerPermission = new KeyContainerPermission(KeyContainerPermissionFlags.NoFlags);
KeyContainerPermissionAccessEntry accessEntry = new KeyContainerPermissionAccessEntry(this._parameters, KeyContainerPermissionFlags.Decrypt);
containerPermission.AccessEntries.Add(accessEntry);
containerPermission.Demand();
}
byte[] o = (byte[])null;
SafeKeyHandle pKeyContext = this._safeKeyHandle;
byte[] pbEncryptedKey = rgb;
int length = pbEncryptedKey.Length;
int num = fOAEP ? 1 : 0;
ObjectHandleOnStack objectHandleOnStack = JitHelpers.GetObjectHandleOnStack <byte[]>(ref o);
RSACryptoServiceProvider.DecryptKey(pKeyContext, pbEncryptedKey, length, num != 0, objectHandleOnStack);
return(o);
}
public byte[] Decrypt(byte[] rgb, bool fOAEP)
{
if (rgb == null)
{
throw new ArgumentNullException("rgb");
}
this.GetKeyPair();
if (rgb.Length > this.KeySize / 8)
{
throw new CryptographicException(Environment.GetResourceString("Cryptography_Padding_DecDataTooBig", new object[]
{
this.KeySize / 8
}));
}
if (!this.CspKeyContainerInfo.RandomlyGenerated && !CompatibilitySwitches.IsAppEarlierThanWindowsPhone8)
{
KeyContainerPermission keyContainerPermission = new KeyContainerPermission(KeyContainerPermissionFlags.NoFlags);
KeyContainerPermissionAccessEntry accessEntry = new KeyContainerPermissionAccessEntry(this._parameters, KeyContainerPermissionFlags.Decrypt);
keyContainerPermission.AccessEntries.Add(accessEntry);
keyContainerPermission.Demand();
}
byte[] result = null;
RSACryptoServiceProvider.DecryptKey(this._safeKeyHandle, rgb, rgb.Length, fOAEP, JitHelpers.GetObjectHandleOnStack <byte[]>(ref result));
return(result);
}
