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Add openssl
example for registration HMAC (#13472)
Signed-off-by: James Barton <james@neodon.com>
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changelog.d/13472.doc
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Add `openssl` example for generating registration HMAC digest.
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@ -46,7 +46,24 @@ As an example:
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The MAC is the hex digest output of the HMAC-SHA1 algorithm, with the key being
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the shared secret and the content being the nonce, user, password, either the
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string "admin" or "notadmin", and optionally the user_type
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each separated by NULs. For an example of generation in Python:
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each separated by NULs.
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Here is an easy way to generate the HMAC digest if you have Bash and OpenSSL:
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```bash
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# Update these values and then paste this code block into a bash terminal
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nonce='thisisanonce'
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username='pepper_roni'
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password='pizza'
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admin='admin'
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secret='shared_secret'
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printf '%s\0%s\0%s\0%s' "$nonce" "$username" "$password" "$admin" |
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openssl sha1 -hmac "$secret" |
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awk '{print $2}'
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```
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For an example of generation in Python:
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```python
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import hmac, hashlib
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@ -70,4 +87,4 @@ def generate_mac(nonce, user, password, admin=False, user_type=None):
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mac.update(user_type.encode('utf8'))
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return mac.hexdigest()
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```
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```
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