DESInit

Initializes user-supplied memory as the IppsDESSpec context for future use.

Syntax

IppStatus ippsDESInit(const Ipp8u* pKey, IppsDESSpec* pCtx);

Parameters

pKey	Pointer to the DES key.
pCtx	Pointer to the IppsDESSpec context being initialized.

Description

This function is declared in the ippcp.h file. The function initializes the memory pointed by pCtx as IppsDESSpec context. In addition, the function uses the key to provide all necessary key material for both encryption and decryption operations.

Return Values

ippStsNoErr	Indicates no error. Any other value indicates an error or warning.
ippStsNullPtrErr	Indicates an error condition if any of the specified pointers is NULL.