Trying to verify SHA1 message signature using Python. What am I doing wrong?

Trying to verify SHA1 message signature using Python. What am I doing wrong?

References

Reference NO 1

http://stackoverflow.com/questions/15187470/trying-to-verify-sha1-message-signature-using-python-what-am-i-doing-wrong

Reference NO 2

http://stackoverflow.com/questions/18263793/validating-file-signatures-using-the-m2crypto-library-in-python

Reference NO 3

http://stackoverflow.com/questions/9704919/saml-signature-verification-using-python-m2crypto

Reference NO 4

http://stackoverflow.com/questions/2848542/how-to-verify-a-signature-using-m2crypto-0-16

Reference NO 5

http://stackoverflow.com/questions/5663084/m2crypto-signature-algorithm

Reference NO 6

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Reference NO 7

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Reference NO 8

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