Gcm.InitKey Method

Initializes the context with the key ready for repeated operations of Gcm.NextEncrypt, Gcm.NextDecrypt, or Gcm.NextGmac.

Syntax

public int InitKey(
	byte[] key
)

Public Function InitKey ( _
	key As Byte() _
) As Integer

Parameters

key

Key: must be exactly 16, 24 or 32 bytes long.

Return Value

0 if successful or non-zero error code

Remarks

Once a key has been set up, Gcm.NextEncrypt, Gcm.NextDecrypt and Gcm.NextGmac can be used independently.

Example

Gcm o = Instance();
o.InitKey(key);
byte[] tag = new byte[16];
byte[] ct = o.NextEncrypt(tag, pt, iv, aad);
//...
o.Dispose();

Examples (VB.NET)

See Example1

See Also

VB6/C equivalent: GCM_InitKey

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