Unix/Linux Go Back    

OpenDarwin 7.2.1 - man page for bn_ctx_new (opendarwin section 3)

Linux & Unix Commands - Search Man Pages
Man Page or Keyword Search:   man
Select Man Page Set:       apropos Keyword Search (sections above)

BN_CTX_new(3)				     OpenSSL				    BN_CTX_new(3)

       BN_CTX_new, BN_CTX_init, BN_CTX_free - allocate and free BN_CTX structures

	#include <openssl/bn.h>

	BN_CTX *BN_CTX_new(void);

	void BN_CTX_init(BN_CTX *c);

	void BN_CTX_free(BN_CTX *c);

       A BN_CTX is a structure that holds BIGNUM temporary variables used by library functions.
       Since dynamic memory allocation to create BIGNUMs is rather expensive when used in con-
       junction with repeated subroutine calls, the BN_CTX structure is used.

       BN_CTX_new() allocates and initializes a BN_CTX structure. BN_CTX_init() initializes an
       existing uninitialized BN_CTX.

       BN_CTX_free() frees the components of the BN_CTX, and if it was created by BN_CTX_new(),
       also the structure itself.  If BN_CTX_start(3) has been used on the BN_CTX, BN_CTX_end(3)
       must be called before the BN_CTX may be freed by BN_CTX_free().

       BN_CTX_new() returns a pointer to the BN_CTX. If the allocation fails, it returns NULL and
       sets an error code that can be obtained by ERR_get_error(3).

       BN_CTX_init() and BN_CTX_free() have no return values.

       bn(3), ERR_get_error(3), BN_add(3), BN_CTX_start(3)

       BN_CTX_new() and BN_CTX_free() are available in all versions on SSLeay and OpenSSL.
       BN_CTX_init() was added in SSLeay 0.9.1b.

0.9.7d					    2003-11-20				    BN_CTX_new(3)
Unix & Linux Commands & Man Pages : ©2000 - 2018 Unix and Linux Forums

All times are GMT -4. The time now is 09:07 AM.