TwofishInit

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

Syntax

IppStatus ippsTwofishInit(const Ipp8u *pKey, int keylen, IppsTwofishSpec* pCtx);

Parameters

pKey	Pointer to the Twofish key.
keylen	Key byte stream length in bytes.
pCtx	Pointer to the IppsTwofishSpec context being initialized.

Description

This function is declared in the ippcp.h file. The function initializes the memory pointed by pCtx as the IppsTwofishSpec 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.
ippStsLengthErr	Indicates an error condition if keylen is less than 1 or greater than 32.