Manuel Pégourié-Gonnard
89b8d83723
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.
2016-10-13 13:51:08 +01:00
Manuel Pégourié-Gonnard
28ea791521
cmac: zeroize sensitive intermediate values
2016-10-13 13:51:08 +01:00
Manuel Pégourié-Gonnard
756bcf7631
cmac: factor multiply by u to its own function
...
We're doing exactly the same operation for K1 and K2.
2016-10-13 13:51:08 +01:00
Manuel Pégourié-Gonnard
a4dfa0550f
cmac: fix whitespace/codingstyle issues
2016-10-13 13:51:08 +01:00
Manuel Pégourié-Gonnard
9c83eebe67
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
2016-10-13 13:51:08 +01:00
Robert Cragie
9bf1e5dd3b
Line endings wrong
2016-10-13 13:51:08 +01:00
Robert Cragie
45feb6ef20
Add support for AES-128-CMAC and AES-CMAC-PRF-128
2016-10-13 13:51:07 +01:00