fix encrypted key point

[Hitenjain14]

Changes

Fixes

Tests

Tasks to complete before merging PR:

• [ ] Ensure system tests are passing. If not Run them manually to check for any regressions :clipboard:
• [ ] Do any new system tests need added to test this change? do any existing system tests need updated? If so create a PR at 0chain/system_test
• [ ] Merge your system tests PR to master AFTER merging this PR

Associated PRs (Link as appropriate):

• 0chain:
• gosdk:
• system_test:
• zboxcli:
• zwalletcli:
• Other: ...

[codecov-commenter]

Codecov Report

Attention: 7 lines in your changes are missing coverage. Please review.

Comparison is base (53f258b) 23.63% compared to head (eb345c7) 23.65%.

Files	Patch %	Lines
...et/blobbercore/handler/object_operation_handler.go	0.00%	3 Missing :warning:
...ain.net/blobbercore/allocation/allocationchange.go	0.00%	2 Missing :warning:
...go/0chain.net/blobbercore/reference/dbCollector.go	0.00%	2 Missing :warning:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## sprint-1.11 #1350 +/- ## =============================================== + Coverage 23.63% 23.65% +0.01% =============================================== Files 87 87 Lines 10097 10097 =============================================== + Hits 2386 2388 +2 + Misses 7415 7413 -2 Partials 296 296 ``` | [Flag](https://app.codecov.io/gh/0chain/blobber/pull/1350/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=0chain) | Coverage Δ | | |---|---|---| | [Unit-Tests](https://app.codecov.io/gh/0chain/blobber/pull/1350/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=0chain) | `23.65% <22.22%> (+0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=0chain#carryforward-flags-in-the-pull-request-comment) to find out more.

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