ccm
Generic implementation of the Counter with CBC-MAC (CCM) mode
0.6.1
11M downloads/mo
#2890 most downloaded on crates.io
RustCrypto/AEADs
What this package is like to depend on
Last release 2 days ago
21 Aug 2026
Ships unpredictably
gaps range from 9 days to 3.2 years
Nearly every release is documented
notes for 11 of 12 stable releases
Nothing withdrawn
no release was ever pulled
6 years old
16 releases · first in 2020
5 releases in the last 12 months
see the full history below
Release timeline
16 releases · Jun 2020 to Aug 2026Releases
latest 16-
0.6.121 Aug 2026Release notes
Open source →The initial
.0releases of these crates still usedsubtle
exclusively for the tag comparison andctutilsfor everything else.This cuts new releases with #879, a PR which switched from
subtleto
ctutils.Releases the following:
aes-gcmv0.11.1aes-gcm-sivv0.12.1ascon-aead128v0.1.1belt-dwpv0.1.1ccmv0.6.1deoxysv0.2.1eaxv0.6.1
-
0.6.011 Aug 2026Release notes
Open source →Added
Changed
- Edition changed to 2024 and MSRV bumped to 1.85 (#662)
- Relax MSRV policy and allow MSRV bumps in patch releases
- Migrate to
AeadInOut(#665) - Bump
cipherto v0.5 (#793) - Bump
aesto v0.9 (#821) - Bump
ctrto v0.10 (#821) - Bump
aeadto v0.6 (#831)
Removed
stdandstreamfeatures (#662)
-
0.6.0-rc.302 Feb 2026 pre-releaseNothing published for this version
-
0.6.0-rc.205 Nov 2025 pre-releaseNothing published for this version
-
0.6.0-pre.027 Oct 2025 pre-releaseNothing published for this version
-
0.5.030 Jul 2022 -
0.5.0-pre.102 Jul 2022 pre-releaseNothing published for this version
-
0.4.420 Jul 2021 -
0.4.309 Jul 2021 -
0.4.209 Jul 2021Release notes
Open source →Added
From<BlockCipher>andCloneimpls. (#332)
Changed
- Use the
ctrcrate for encryption and decryption. (#332)
-
0.4.109 Jul 2021 -
0.4.029 Apr 2021 -
0.3.016 Oct 2020 -
0.2.017 Sep 2020Release notes
Open source →Added
- Optional
stdfeature; disabled by default (#217)
Changed
- Upgrade
aesto v0.5;block-cipherto v0.8 (#209)
- Optional
-
0.1.001 Jul 2020 -
0.0.003 Jun 2020Nothing published for this version