krb5_kt_read_service_key - Retrieve a service key from a key table. — MIT Kerberos Documentation

# MIT Kerberos Documentation

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# krb5_kt_read_service_key - Retrieve a service key from a key table.

krb5_error_code `krb5_kt_read_service_key`(krb5_context context, krb5_pointer keyprocarg, krb5_principal principal, krb5_kvno vno, krb5_enctype enctype, krb5_keyblock ** key)

param: | [in] context - Library context [in] keyprocarg - Name of a key table (NULL to use default name) [in] principal - Service principal [in] vno - Key version number (0 for highest available) [in] enctype - Encryption type (0 for any type) [out] key - Service key from key table

retval: | 0 Success
return: | Kerberos error code if not found or keyprocarg is invalid.

Open and search the specified key table for the entry identified by principal , enctype , and vno . If no key is found, return an error code.

The default key table is used, unless keyprocarg is non-null. keyprocarg designates aspecific key table.

Use `krb5_free_keyblock()` to free key when it is no longer needed.