DH_new 3 2003-07-24 0.9.9-dev OpenSSL

### NAME

DH_new, DH_free - allocate and free DH objects

### LIBRARY

libcrypto, -lcrypto

### SYNOPSIS

     #include

     DH* DH_new(void);

     void DH_free(DH *dh);

### DESCRIPTION

DH_new() allocates and initializes a DH structure.

DH_free() frees the DH structure and its components. The values are erased before the memory is returned to the system.

### RETURN VALUES

If the allocation fails, DH_new() returns NULL and sets an error code that can be obtained by ERR_get_error(3). Otherwise it returns a pointer to the newly allocated structure.

DH_free() returns no value.

### SEE ALSO

openssl_dh(3), ERR_get_error(3), DH_generate_parameters(3), DH_generate_key(3)

### HISTORY

DH_new() and DH_free() are available in all versions of SSLeay and OpenSSL.