47 lines
787 B
Plaintext
47 lines
787 B
Plaintext
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== 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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