Class AesDataUtils
Inheritance
System.Object
AesDataUtils
Namespace: Catalog.Helpers
Assembly: Catalog.dll
Syntax
public static class AesDataUtilsMethods
CalculateIVForBlock(UInt64, Byte[])
Calculates the IV for a specified block index.
Declaration
public static byte[] CalculateIVForBlock(ulong block, byte[] firstIV)Parameters
| Type | Name | Description |
|---|---|---|
| System.UInt64 | block | The index of the block. |
| System.Byte[] | firstIV | The IV of the first block. |
Returns
| Type | Description |
|---|---|
| System.Byte[] | The IV |
DecryptBlocksAsync(AesDataHeader, AesManaged, IRandomAccessStream, UInt64, UInt32)
Decrypts blocks in a stream. If there are fewer blocks available than requested then that number are returned.
Declaration
public static async Task<byte[]> DecryptBlocksAsync(AesDataHeader header, AesManaged manager, IRandomAccessStream stream, ulong count, uint offset)Parameters
| Type | Name | Description |
|---|---|---|
| AesDataHeader | header | The stream header. |
| System.Security.Cryptography.AesManaged | manager | The AES manager. |
| Windows.Storage.Streams.IRandomAccessStream | stream | The stream. |
| System.UInt64 | count | Number of blocks to decrypt. |
| System.UInt32 | offset | The offset block index. |
Returns
| Type | Description |
|---|---|
| System.Threading.Tasks.Task<System.Byte[]> | The decrypted blocks. |