CSP_ObtainPrivateKeyFromPublicKey man page on Tru64

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ObtainPrivateKeyFromPublicKey(3)	      ObtainPrivateKeyFromPublicKey(3)

NAME
       ObtainPrivateKeyFromPublicKey,  CSSM_CSP_ObtainPrivateKeyFromPublicKey,
       CSP_ObtainPrivateKeyFromPublicKey - Convert public key to  private  key
       (CDSA)

SYNOPSIS
       # include <cdsa/cssm.h>

       API:    CSSM_RETURN    CSSMAPI	CSSM_CSP_ObtainPrivateKeyFromPublicKey
       (CSSM_CSP_HANDLE CSPHandle const CSSM_KEY *PublicKey, CSSM_KEY_PTR Pri‐
       vateKey)	 SPI:  CSSM_RETURN  CSSMCSPI CSP_ObtainPrivateKeyFromPublicKey
       (CSSM_CSP_HANDLE CSPHandle,  const  CSSM_KEY  *PublicKey,  CSSM_KEY_PTR
       PrivateKey)

LIBRARY
       Common Security Services Manager library (libcssm.so)

PARAMETERS
       The  handle  that  describes the module to perform this operation.  The
       public key corresponding to the private key being sought.  A  reference
       to the private key corresponding to the public key.

DESCRIPTION
       Given  a	 public	 key  this function returns a reference to the private
       key. The private key and its associated passphrase can be  used	as  an
       input to any function requiring a private key value.

NOTES
       The  KeyData  field  of the CSSM_KEY structure is allocated by the CSP.
       The  application	 is  required  to   free   this	  memory   using   the
       CSSM_FreeKey() (CSSM API), or CSP_FreeKey() (CSP SPI), function or with
       the memory functions registered for the CSPHandle.

RETURN VALUE
       A CSSM_RETURN value indicating success or specifying a particular error
       condition. The value CSSM_OK indicates success. All other values repre‐
       sent an error condition.

ERRORS
       Errors  are  described	in   the   CDSA	  technical   standard.	   See
       CDSA_intro(3).  CSSMERR_CSP_PRIVATE_KEY_NOT_FOUND

SEE ALSO
       Books

       Intel CDSA Application Developer's Guide (see CDSA_intro(3))

       Reference Pages

					      ObtainPrivateKeyFromPublicKey(3)
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