PRNGSetH0
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 theIppsPRNGStatecontext.
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 isNULL.
- ippStsContextMatchErr
- Indicates an error condition if the context parameter does not match the operation.