Commit graph

57 commits

Author SHA1 Message Date
Manuel Pégourié-Gonnard 475f06f609 cmac: make subkey gen more constant-time
The previous version had secret-dependent memory accesses. While it was
probably not an issue in practice cause the two bytes of the array are
probably on the same cache line anyway, as a matter of principle this should
be avoided.
2016-10-05 14:19:14 +01:00
Manuel Pégourié-Gonnard d6cf75474b cmac: zeroize sensitive intermediate values 2016-10-05 14:19:14 +01:00
Manuel Pégourié-Gonnard a610b4c04b cmac: factor multiply by u to its own function
We're doing exactly the same operation for K1 and K2.
2016-10-05 14:19:14 +01:00
Manuel Pégourié-Gonnard 3da5402a89 cmac: fix whitespace/codingstyle issues 2016-10-05 14:19:14 +01:00
Manuel Pégourié-Gonnard 690083c21d cmac: improve argument order and naming
- always use the pattern "buffer, length"
- avoid using unqualified "length" as a name when there are more than one
2016-10-05 14:19:14 +01:00
Robert Cragie 3d23b1d5ed Line endings wrong 2016-10-05 14:19:14 +01:00
Robert Cragie dc5c7b98ac Add support for AES-128-CMAC and AES-CMAC-PRF-128 2016-10-05 14:19:13 +01:00