krb5_generate_subkey()--Generate Subsession Key

 #include <krb5.h>

 krb5_error_code krb5_generate_subkey(  
     krb5_context     context,   
     krb5_const krb5_keyblock *   key,
     krb5_keyblock **     subkey); 

The krb5_generate_subkey() function generates a random subsession key that is based on the supplied session key.

Authorities

No authorities are required.

Parameters

context  (Input)

The Kerberos context.

key  (Input)

The session key.

subkey  (Output)

The generated subsession key. The krb5_free_keyblock() routine should be called to release the key when it is no longer needed.

Return Value

If no errors occur, the return value is 0. Otherwise, a Kerberos error code is returned.

Error Messages