krb5_rd_cred -  Read and validate a KRB-CRED message. 
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.. c:function:: krb5_error_code krb5_rd_cred(krb5_context context, krb5_auth_context auth_context, krb5_data * creddata, krb5_creds *** creds_out, krb5_replay_data * rdata_out)

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:param:

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

	          **[in]** **auth_context** - Authentication context

	          **[in]** **creddata** - **KRB-CRED** message

	          **[out]** **creds_out** - Null-terminated array of forwarded credentials

	          **[out]** **rdata_out** - Replay data (NULL if not needed)


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


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 *creddata* will be decrypted using the receiving subkey if it is present in *auth_context* , or the session key if the receiving subkey is not present or fails to decrypt the message.



Use krb5_free_tgt_creds() to free *creds_out* when it is no longer needed.










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.. note::

	 The *rdata_out* argument is required if the KRB5_AUTH_CONTEXT_RET_TIME or KRB5_AUTH_CONTEXT_RET_SEQUENCE flag is set in *auth_context* .`