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DH_size(3)



NAME

DH_size - get Diffie-Hellman prime size


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

dh(3), DH_generate_key(3)


HISTORY

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