
## Review A dedicated reviewer checked the rule description successfully for: - [x] logical errors and incorrect information - [x] information gaps and missing content - [x] text style and tone - [x] PR summary and labels follow [the guidelines](https://github.com/SonarSource/rspec/#to-modify-an-existing-rule) --------- Co-authored-by: hendrik-buchwald-sonarsource <64110887+hendrik-buchwald-sonarsource@users.noreply.github.com>
47 lines
787 B
Plaintext
47 lines
787 B
Plaintext
== How to fix it in pyca
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=== Code examples
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==== Noncompliant code example
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[source,python,diff-id=1,diff-type=noncompliant]
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----
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from cryptography.hazmat.primitives.ciphers import (
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Cipher,
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algorithms,
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modes,
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)
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iv = "doNotTryThis@Home2023"
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cipher = Cipher(algorithms.AES(key), modes.CBC(iv))
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cipher.encryptor() # Noncompliant
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----
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==== Compliant solution
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:explicit_strong: os.urandom
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include::../../common/fix/explicit-fix.adoc[]
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[source,python,diff-id=1,diff-type=compliant]
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----
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from os import urandom
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from cryptography.hazmat.primitives.ciphers import (
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Cipher,
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algorithms,
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modes,
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)
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iv = urandom(16)
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cipher = Cipher(algorithms.AES(key), modes.CBC(iv))
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cipher.encryptor()
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----
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=== How does this work?
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include::../../common/fix/fix.adoc[]
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