# Backup encryption problems

**URL:** <https://forums.percona.com/t/backup-encryption-problems/2729>\
**Category:** Percona XtraBackup\
**Created:** [May 29, 2013, 4:27pm UTC](https://forums.percona.com/t/backup-encryption-problems/2729 "2013-05-29T16:27:07Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![alexkipkalo](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/alexkipkalo/32/907_2.png) [@alexkipkalo](https://forums.percona.com/u/alexkipkalo)\
**Post date:** [May 29, 2013, 4:27pm UTC](https://forums.percona.com/t/backup-encryption-problems/2729/1 "2013-05-29T16:27:07Z")

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Hello all,

Could you please explain what i am doing wrong :

- encrypt: unable to set libgcrypt cipher key - User defined source 1 : Invalid key length

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**Author:** ![revin](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/revin/32/824_2.png) [@revin](https://forums.percona.com/u/revin)\
**Post date:** [May 29, 2013, 8:34pm UTC](https://forums.percona.com/t/backup-encryption-problems/2729/2 "2013-05-29T20:34:38Z")

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@alexkipkalo,

Can you share your full backup command and XtraBackup version?