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AES-CCM enforce max length #779

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@solney solney commented Nov 8, 2023

NIST Special Publication 800-38C Appendix 1 states that the maximum length of payload is determined by the value of q (which in turn is related to the length of the nonce).

It seems as if this condition wasn't previously enforced which could lead to the block b0 exceeding 16 bytes.

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solney commented Nov 8, 2023

Just looking into the python2 failures now

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solney commented Nov 8, 2023

Just looking into the python2 failures now

Fixed now, need bytearray instead of bytes in new test

@solney solney marked this pull request as ready for review November 8, 2023 16:41
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