Visible to Intel only — GUID: GUID-FE2DFEC0-6372-49FB-BE1D-C87D6F90E2AC
Visible to Intel only — GUID: GUID-FE2DFEC0-6372-49FB-BE1D-C87D6F90E2AC
DLPPublicKey
Computes a public key from the given private key of the DL-based cryptosystem over GF(p).
Syntax
IppStatus ippsDLPPublicKey(const IppsBigNumState* pPrivate, IppsBigNumState* pPublic, IppsDLPState* pCtx);
Include Files
ippcp.h
Parameters
pPrivate |
Pointer to the input private key privKey. |
pPublic |
Pointer to the output public key pubKey. |
pCtx |
Pointer to the cryptosystem context. |
Description
The function computes a public key pubKey of the DL-based cryptosystem.
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. |
ippStsIncompleteContextErr |
Indicates an error condition if the cryptosystem context has not been properly set up. |
ippStsInvalidPrivateKey |
Indicates an error condition if the privKey has an illegal value. |
ippStsRangeErr |
Indicates an error condition if Big Number specified by pPublic is too small for the DL public key. |