| public C_SeedRandom ( ulong session, byte seed, ulong seedLen ) : CKR | ||
| session | ulong | The session's handle |
| seed | byte | The seed material |
| seedLen | ulong | The length of the seed material |
| return | CKR | |
public void _01_SeedRandomTest()
{
if (Platform.UnmanagedLongSize != 8 || Platform.StructPackingSize != 0)
Assert.Inconclusive("Test cannot be executed on this platform");
CKR rv = CKR.CKR_OK;
using (Pkcs11 pkcs11 = new Pkcs11(Settings.Pkcs11LibraryPath))
{
rv = pkcs11.C_Initialize(Settings.InitArgs80);
if ((rv != CKR.CKR_OK) && (rv != CKR.CKR_CRYPTOKI_ALREADY_INITIALIZED))
Assert.Fail(rv.ToString());
// Find first slot with token present
ulong slotId = Helpers.GetUsableSlot(pkcs11);
// Open RO (read-only) session
ulong session = CK.CK_INVALID_HANDLE;
rv = pkcs11.C_OpenSession(slotId, CKF.CKF_SERIAL_SESSION, IntPtr.Zero, IntPtr.Zero, ref session);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Mix additional seed material into the token's random number generator
byte[] seed = ConvertUtils.Utf8StringToBytes("Additional seed material");
rv = pkcs11.C_SeedRandom(session, seed, Convert.ToUInt64(seed.Length));
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Do something interesting with random number generator
rv = pkcs11.C_CloseSession(session);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
rv = pkcs11.C_Finalize(IntPtr.Zero);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
}
}