rxperf_add_yfs_rxgk_key
ret = rxperf_add_yfs_rxgk_key(keyring, KRB5_ENCTYPE_AES128_CTS_HMAC_SHA1_96);
ret = rxperf_add_yfs_rxgk_key(keyring, KRB5_ENCTYPE_AES256_CTS_HMAC_SHA1_96);
ret = rxperf_add_yfs_rxgk_key(keyring, KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128);
ret = rxperf_add_yfs_rxgk_key(keyring, KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192);
ret = rxperf_add_yfs_rxgk_key(keyring, KRB5_ENCTYPE_CAMELLIA128_CTS_CMAC);
ret = rxperf_add_yfs_rxgk_key(keyring, KRB5_ENCTYPE_CAMELLIA256_CTS_CMAC);