DH_size 3 2000-07-16 0.9.9-dev OpenSSL

NAME

DH_size - get Diffie-Hellman prime size

LIBRARY

libcrypto, -lcrypto

SYNOPSIS


 #include 


 int DH_size(DH *dh);

DESCRIPTION

This function returns the Diffie-Hellman size in bytes. It can be used to determine how much memory must be allocated for the shared secret computed by _D_H___c_o_m_p_u_t_e___k_e_y_(_).

ddhh-->>pp must not be NNUULLLL.

RETURN VALUE

The size in bytes.

SEE ALSO

_o_p_e_n_s_s_l___d_h(3), _D_H___g_e_n_e_r_a_t_e___k_e_y(3)

HISTORY

_D_H___s_i_z_e_(_) is available in all versions of SSLeay and OpenSSL.