Admin: Create HMAC page with Python code example following AES page format (via create-page on MediaWiki MCP Server)

2026-06-20T03:49:07Z

Create HMAC page with Python code example following AES page format (via create-page on MediaWiki MCP Server)

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<pre>
import hmac
import hashlib

def hmac_sha256(key, message):
"""Return the HMAC-SHA256 hex digest."""
return hmac.new(key, message, hashlib.sha256).hexdigest()

def hmac_sha256_verify(key, message, signature):
"""Constant-time comparison of HMAC-SHA256 digests."""
expected = hmac.new(key, message, hashlib.sha256).hexdigest()
return hmac.compare_digest(expected, signature)

if __name__ == '__main__':
key = b'shared_secret'
message = b'This is a test'

sig = hmac_sha256(key, message)
print("HMAC-SHA256 was '%s'" % sig)
print("Verified: %s" % hmac_sha256_verify(key, message, sig))
</pre>

== See also ==
* [[RSA]] – asymmetric encryption, decryption, and signing

{{CryptoFlag}}

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[[Category:Security]]
[[Category:Encryption]]

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Admin: Create HMAC page with Python code example following AES page format (via create-page on MediaWiki MCP Server)