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DH_size(3)                          OpenSSL                         DH_size(3)



NAME
       DH_size - get Diffie-Hellman prime size

LIBRARY
       libcrypto, -lcrypto

SYNOPSIS
        #include <openssl/dh.h>

        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 DH_compute_key().

       dh->p must not be NULL.

RETURN VALUE
       The size in bytes.

SEE ALSO
       openssl_dh(3), DH_generate_key(3)

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



1.0.1u                            2009-07-19                        DH_size(3)