NAME    [Toc]    [Back]

       DH_size - get Diffie-Hellman prime size

LIBRARY    [Toc]    [Back]

       libcrypto, -lcrypto

SYNOPSIS    [Toc]    [Back]

        #include <openssl/dh.h>

        int DH_size(DH *dh);

DESCRIPTION    [Toc]    [Back]

       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 DH_compute_key().

       dh->p must not be NULL.

RETURN VALUE    [Toc]    [Back]

       The size in bytes.

SEE ALSO    [Toc]    [Back]

       openssl_dh(3), DH_generate_key(3)

HISTORY    [Toc]    [Back]

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



2000-07-22                    0.9.6g                   DH_size(3)