Check for invalid hash algorithm name

[karan6181]

Description of changes:

• Added a check for invalid hash algorithm name.
• Added the test case for the same.

Issue #, if available:

Merge Checklist:

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General

• I have read the contributor guidelines
• This is a documentation change or typo fix. If so, skip the rest of this checklist.
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Tests

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• I have added tests that prove my fix is effective or that my feature works (if appropriate).
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