aes-gcm: fix P_MAX and A_MAX values#762
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## Added - `bytes` feature passthrough (#631) - Support for 32-bit and 64-bit tags under `hazmat` feature (#777) ## Changed - Bump `aead` from `0.5` to `0.6` (#583) - Bump `aes` from `0.8` to `0.9` (#583) - Bump `cipher` from `0.4` to `0.5` (#583) - Bump `ctr` from `0.9` to `0.10` (#583) - Bump `ghash` from `0.5` to `0.6` (#583) - Edition changed to 2024 and MSRV bumped to 1.85 (#662) - Relax MSRV policy and allow MSRV bumps in patch releases - `getrandom` feature renamed as `os_rng` (#662) ## Fixed - `P_MAX` and `A_MAX` constants; plaintext and AAD length checks (#762) ## Removed - `std` & `stream` features (#662) - `C_MAX` constant (#762)
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In Section 5.2.1.1 of NIST 800-38D maximum plaintext and AAD lengths are defined as 2^39-256 and 2^64-1 bits accordingly.
Reported in https://github.com/RustCrypto/AEADs/security/advisories/GHSA-8xg6-2rjr-7rv3