NAME
DH_new, DH_free
— allocate and free DH
objects
SYNOPSIS
#include
<openssl/dh.h>
DH*
DH_new(void);
void
DH_free(DH *dh);
DESCRIPTION
The DH functions implement the Diffie-Hellman key agreement protocol.
DH_new()
allocates and initializes a DH structure.
DH_free()
frees the DH structure and its components. The values
are erased before the memory is returned to the system. If
dh is a NULL pointer, no
action occurs.
RETURN VALUES
If the allocation fails, DH_new() returns
NULL and sets an error code that can be obtained by
ERR_get_error(3). Otherwise it returns a pointer to the newly
allocated structure.
SEE ALSO
BN_new(3), d2i_DHparams(3), DH_generate_key(3), DH_generate_parameters(3), DH_get0_pqg(3), DH_get_ex_new_index(3), DH_set_method(3), DH_size(3), DHparams_print(3), DSA_dup_DH(3), ERR_get_error(3), EVP_PKEY_set1_DH(3)
HISTORY
DH_new() and
DH_free() appeared in SSLeay 0.8.1b or earlier and
have been available since OpenBSD 2.4.