PRNGSetH0

Sets the initial state with the given input IV for the SHA-1 algorithm.

Syntax

IppStatus ippsPRNGSetH0(const IppsBigNumState* pH0, IppsPRNGState* pCtx);

Include Files

ippcp.h

Parameters

pH0

Pointer to the initial hash value being set up.

pCtx

Pointer to the IppsPRNGState context.

Description

The function resets the initial hash value with the supplied value up to 160 bit length. The supplied big number should be created prior to the function call using the appropriate Big Number Arithmetic functions (see Example “Create a Big Number”).

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.

ippStsContextMatchErr

Indicates an error condition if the context parameter does not match the operation.