Name

DH_size — gets Diffie-Hellman prime size

Library

libcrypto

Synopsis

#include <openssl/dh.h>

int DH_size(DH *dh);

Detailed 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(), DH_generate_key()

History

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

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