krb5_auth_con_getsendsubkey -  Retrieve the send subkey from an auth context as a keyblock. 
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.. c:function:: krb5_error_code krb5_auth_con_getsendsubkey(krb5_context ctx, krb5_auth_context ac, krb5_keyblock ** keyblock)

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:param:

	          **[in]** **ctx** - Library context

	          **[in]** **ac** - Authentication context

	          **[out]** **keyblock** - Send subkey


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:retval:
         -   0   Success; otherwise - Kerberos error codes


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This function creates a keyblock containing the send subkey from *auth_context* . Use krb5_free_keyblock() to free *keyblock* when it is no longer needed.










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