BN_CTX_new man page on SmartOS

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BN_CTX_new(3)			    OpenSSL			 BN_CTX_new(3)

       BN_CTX_new, BN_CTX_init, BN_CTX_free - allocate and free BN_CTX

	#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 conjunction 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

       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.

1.0.1g				  2014-03-17			 BN_CTX_new(3)

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