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3d64431a33
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27 Commits

Author SHA1 Message Date
Brian Murray
3d64431a33 Minor CMAC fixes for merge 2016-10-13 13:51:11 +01:00
Brian Murray
0b21cdf7bc cleaned up indentation and braket issues in mbedtls_cmac_verify 2016-10-13 13:51:11 +01:00
Brian Murray
bbed660aa1 Changed test function to inline to pass tests/scripts/check-names.sh 2016-10-13 13:51:10 +01:00
Brian Murray
fe9ff01c49 Fixed some build warnings 2016-10-13 13:51:10 +01:00
Brian Murray
4e067035b7 Do not zeroize null pointer 2016-10-13 13:51:10 +01:00
Brian Murray
cdd1f6d96c Removed unneed memsets and fixed spacing 2016-10-13 13:51:10 +01:00
Brian Murray
6eae89bb6f No CMAC minimum tag length is specified by NIST SP800-38B A 
Minor Typo Changes
 2016-10-13 13:51:10 +01:00
Brian Murray
e260feacbe cmac.c whitespace cleanup 2016-10-13 13:51:10 +01:00
Brian Murray
db5c70e080 better handling of failed calloc 2016-10-13 13:51:10 +01:00
Brian Murray
86ff986884 selftest supports cmac if only MBEDTLS_DES_C is defined 
Other minor typo fixes
 2016-10-13 13:51:10 +01:00
Brian Murray
3d3c9b8be7 More cleanup of CMAC self tests 2016-10-13 13:51:09 +01:00
Brian Murray
afdb60f84f Only compile AES CMAC PRF support if MBEDTLS_AES_C is defined and other cleanups 2016-10-13 13:51:09 +01:00
Brian Murray
d666eb5c11 More cleanup of CMAC selftests 2016-10-13 13:51:09 +01:00
Brian Murray
3c0412a443 Fixed CMAC tag length 2016-10-13 13:51:09 +01:00
Brian Murray
7c6476c330 CMAC support for cipher with 64bit blocks (DES/3DES) 2016-10-13 13:51:09 +01:00
Manuel Pégourié-Gonnard
2b0e21f130 cmac: more cosmetic changes 2016-10-13 13:51:09 +01:00
Manuel Pégourié-Gonnard
a878d3b6e3 cmac: avoid useless wrapping of function 
probably a leftover from an earlier stage
 2016-10-13 13:51:09 +01:00
Manuel Pégourié-Gonnard
5f8639fea2 cmac: reduce visibility of macros 
The #undef is usefull for people who want to to amalgamated releases
 2016-10-13 13:51:09 +01:00
Manuel Pégourié-Gonnard
59ae4bad18 cmac: some more padding-related tune-ups 
- use one less temporary buffer
- pedantic: in_len + 15 was a potential overflow
- use a more explicit name instead of 'flag'
- Mn was a bit misleading
 2016-10-13 13:51:08 +01:00
Manuel Pégourié-Gonnard
da8724fbc6 cmac: clean up padding function and comments 2016-10-13 13:51:08 +01:00
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