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132 commits

Author SHA1 Message Date
Dag-Erling Smørgrav
278ff6d113 GC empty directory 2015-12-14 17:51:01 +01:00
Dag-Erling Smørgrav
4d7893004c Prepare for moving to Github 2015-12-14 15:55:38 +01:00
Dag-Erling Smørgrav
5584b68908 Fix t_malloc_snapshot(): stash the difference between nalloc and nfree, 
not the numbers themselves.

In t_malloc_printstats(), show information about mapped allocations.

In t_malloc_leaked(), check for leaked mapped allocations.  Note that
they would show up anyway since the metadata are allocated from the
bucket allocator, but this makes them more visible.
 2015-11-02 19:45:12 +00:00
Dag-Erling Smørgrav
955cbc3013 Add t_malloc_snapshot() which writes a snapshot of the allocator state to 
a caller-provided buffer.  Use it to warn about leaks in each individual
test case.  Note that we can't fail a test case for leaking, because
individual test cases in a unit may modify shared state which is cleaned
up at the end of the series.
 2015-11-02 19:34:03 +00:00
Dag-Erling Smørgrav
fd515ccd79 Clear up confusion between lengths and sizes. 
Fix a harmless bug in string_shrink().
 2015-10-13 21:42:57 +00:00
Dag-Erling Smørgrav
0a9f2c21fe When running a test, make sure it didn't leave allocation failure enabled. 
Add predicates for null and non-null pointers.
Staticize some internal allocator state.
 2015-10-13 21:39:47 +00:00
Dag-Erling Smørgrav
2acf532339 libtest is not just for internal use. 2015-10-12 11:41:47 +00:00
Dag-Erling Smørgrav
e6049c1d6a Add string_len() (return length of string) and string_dup_cs() (create a 
string from a null-terminated string).  Add test for string_trunc().
 2015-10-12 10:23:24 +00:00
Dag-Erling Smørgrav
eb61dac230 <unistd.h> required for t_compare_ssz() 2015-10-12 10:20:14 +00:00
Dag-Erling Smørgrav
b5d5f111ca Add missing Makefile 2015-10-04 07:51:08 +00:00
Dag-Erling Smørgrav
f8ebdbc14d Move the test framework into its own subdirectory 2015-10-04 07:49:48 +00:00
Dag-Erling Smørgrav
ab8f712584 Correctly register AES192 and AES256 2015-10-04 07:19:52 +00:00
Dag-Erling Smørgrav
476c9f27f7 Use our own endianness conversion macros. 2015-10-04 07:07:53 +00:00
Dag-Erling Smørgrav
03bd9ea902 Code cleanup 2015-10-03 15:33:47 +00:00
Dag-Erling Smørgrav
dd466ab29b Move some code around 2015-10-03 14:47:59 +00:00
Dag-Erling Smørgrav
023ec74be2 Implement cipher algorithm list and rename some files. 2015-10-03 14:44:59 +00:00
Dag-Erling Smørgrav
a9e733f0ca Use an enum for encrypt / decrypt + minor cleanup 2015-10-03 14:43:33 +00:00
Dag-Erling Smørgrav
dd18cd2995 Kick off libcryb-cipher with AES (from XySSL) and RC4 (my own). 2015-10-03 14:24:59 +00:00
Dag-Erling Smørgrav
94471e9923 Always clear the negative flag in mpi_zero() 2015-10-03 14:23:32 +00:00
Dag-Erling Smørgrav
bf36ff7a8c Correct context length for SHA digests 2015-10-03 13:56:07 +00:00
Dag-Erling Smørgrav
398abda6b0 Fix various bugs relating to digest algorithm registration and wrapping 2015-10-03 09:32:44 +00:00
Dag-Erling Smørgrav
8d087eeb64 Fix endian.h includes 2015-10-03 09:31:57 +00:00
Dag-Erling Smørgrav
f99073058c Whitespace cleanup to reduce diffs between SHA-512 and SHA-384. 2015-09-15 10:09:09 +00:00
Dag-Erling Smørgrav
531eeec36b Add a simple implementation of the Adler-32 checksum. 2015-08-18 13:27:06 +00:00
Dag-Erling Smørgrav
1609b4e08a Cite the Fletcher paper. 2015-08-18 10:42:41 +00:00
Dag-Erling Smørgrav
aa97da3335 Add simple implementations of Fletcher's checksum. 2015-08-17 15:21:47 +00:00
Dag-Erling Smørgrav
dc75f2edd8 Add a memset_s() implementation (cf. C11 / WG14 N1381) 2015-02-15 09:18:18 +00:00
Dag-Erling Smørgrav
342ac3fd78 Note that rand_bytes() is just a placeholder for the sake of liboath. 2015-01-08 12:24:19 +00:00
Dag-Erling Smørgrav
a33f58cad7 Fix equality predicate. 2015-01-07 19:23:38 +00:00
Dag-Erling Smørgrav
d0fb2359f1 Implement mpi_{add,sub}() in terms of mpi_{add,sub}_abs(). 2015-01-07 18:59:44 +00:00
Dag-Erling Smørgrav
7a90ca7b42 Since X may point to the same MPI as either G or L (or even both), we 
can't set the carry flag based on the contents of G or L after having
modified X.  Instead, compute and stash the new carry value first.
 2014-12-30 19:14:59 +00:00
Dag-Erling Smørgrav
0d483f20ab Fix msb calculation. We may have to backtrack quite a bit, for 
instance when subtracting two nearly equal large numbers.
 2014-12-30 16:45:18 +00:00
Dag-Erling Smørgrav
1c024928f9 Fix off-by-one bug in mpi_cmp() which could cause it to read past the 
end of the buffer.
 2014-12-30 16:35:13 +00:00
Dag-Erling Smørgrav
43b870dc83 WIP: implement subtraction correctly. The actual result is now correct 
most of the time, but the MSB calculation is not.
 2014-12-30 11:23:30 +00:00
Dag-Erling Smørgrav
7524a14386 comment nit 2014-12-30 11:15:28 +00:00
Dag-Erling Smørgrav
c5b962387c Add mpi_eq_abs() and mpi_eq() predicates. 2014-12-30 11:12:11 +00:00
Dag-Erling Smørgrav
bc8e9d67ba In both mpi_add_abs() and mpi_sub_abs(), make sure that the target is 
untouched if the operation fails.  Also ensure that A = A +/- A works.
 2014-12-29 23:44:34 +00:00
Dag-Erling Smørgrav
98c6349d4a In mpi_zero(), save a memset() if the target is already zero. 2014-12-29 23:22:54 +00:00
Dag-Erling Smørgrav
1412dac680 Shifting any number by zero places is a no-op, but so is shifting zero by 
any number of places.
 2014-12-29 23:20:26 +00:00
Dag-Erling Smørgrav
8228f19d5a In mpi_copy(), any failure should leave the target untouched. 2014-12-29 23:18:57 +00:00
Dag-Erling Smørgrav
82f5c5cf77 In mpi_load(), use be32dec() when possible. 
In mpi_set(), it is impossible for the value being loaded to exceed
the minimum size of an mpi; thus, there is no need for mpi_grow().
 2014-12-29 15:08:09 +00:00
Dag-Erling Smørgrav
79967f2844 Fix string_equal() for strings of unequal length. 2014-12-29 12:46:44 +00:00
Dag-Erling Smørgrav
2ad45cfccf Add a string comparison function and a string equality predicate. 
Write test cases for the former.
 2014-12-29 12:41:39 +00:00
Dag-Erling Smørgrav
f82bbc1400 Catch up with OpenPAM's latest OATH changes: 
Add an oath_mode(3) function which translates from mode names to numbers.

 Consistently use UINT_MAX, not -1, to indicate an invalid response.

 Change the meaning of the window parameter to always indicate the number
 of codes to check *in addition* to the current code.  Note that for TOTP,
 the window goes in both directions; a window of 1 means to check the
 current code plus the previous and next.
 2014-12-20 01:45:01 +00:00
Dag-Erling Smørgrav
a98753b6ef Fix various cast-qual bugs. 2014-12-20 00:44:24 +00:00
Dag-Erling Smørgrav
6ed802ddf3 Consistently use #if HAVE_FOO instead of #ifdef HAVE_FOO. The reason is 
that AC_CHECK_DECLS([foo]), unlike AC_CHECK_FUNCS([foo]), will always
define HAVE_FOO, so #ifdef HAVE_FOO will always be true even if it is 0.
This commit finally fixes the [bl]e{32,64}{enc,dec} issue on Linux.
 2014-12-20 00:38:54 +00:00
Dag-Erling Smørgrav
20dab3e342 Provisionally include strlcmp(), although it is not (currently) used 
anywhere.  Opinion is divided as to whether this is useful, or whether
its usefulness is outweighed by its awkwardness.  Still, we have it, so
we may as well commit it.
 2014-12-20 00:23:59 +00:00
Dag-Erling Smørgrav
e4dd25fa79 Use wstring throughout (except internally in struct cpe_name). 
Add a typedef for struct cpe_name and use it throughout.
Fix inverted logic in cpe_upgrade().
 2014-11-01 20:15:45 +00:00
Dag-Erling Smørgrav
f7bdd342dc Add our own version of <endian.h> which includes implementations of the 
unaligned encoding / decoding functions which Linux lacks.
 2014-10-30 12:48:21 +00:00
Dag-Erling Smørgrav
d4fd9a1958 rm unused variable 2014-08-12 07:33:30 +00:00
Dag-Erling Smørgrav
be31515f5e Start of a multiple-precision integer arithmetic library. 2014-08-12 07:30:31 +00:00
Dag-Erling Smørgrav
35d982ea57 Rename CPEXX_VER to cpeXX_ver and remove CPEXX_NATTR, which is redundant. 2014-08-01 22:38:36 +00:00
Dag-Erling Smørgrav
479ffbba4a Remove author and sponsor tags; we'll deal with that some other way. 
Remove $Cryb$ tags as it is likely that the code will move to git.
 2014-08-01 14:31:07 +00:00
Dag-Erling Smørgrav
526303caad WIP: CPE library. 2014-08-01 14:18:25 +00:00
Dag-Erling Smørgrav
bec11577b0 sbuf-inspired managed string implementation which also supports wide 
strings.
 2014-08-01 13:53:04 +00:00
Dag-Erling Smørgrav
fe2d45ad56 Create rol / ror functions for all integer sizes. 2014-07-19 15:36:07 +00:00
Dag-Erling Smørgrav
0023f57ab5 Add a library of general (non-cryptographic) hash functions, currently 
consisting of the Pearson string hash function and the Murmur3-32 hash
function.
 2014-07-19 06:03:57 +00:00
Dag-Erling Smørgrav
541d65a3cc pacify autoindenters 2014-07-19 02:59:42 +00:00
Dag-Erling Smørgrav
3ed82792fc Fix a bug that affected unterminated buffers: strlcat() would write a NUL 
past the end of the buffer and return one less than the correct length.
 2014-07-13 20:42:56 +00:00
Dag-Erling Smørgrav
910c782b2f In the md4 code, use a 64-bit counter to avoid a manual carry operation. 2014-07-12 22:10:57 +00:00
Dag-Erling Smørgrav
340b3240cf Consistently use const void * for data and keys, uint8_t * for digests 
and MACs, and uint8_t, uint32_t or uint64_t (as appropriate) for internal
state.  Also remove a few unnecessary casts.
 2014-07-12 21:57:31 +00:00
Dag-Erling Smørgrav
7f410bdfd3 Silence a GCC warning about an empty if statement. 2014-07-11 15:14:23 +00:00
Dag-Erling Smørgrav
30c8e19de7 Remove HMAC-MD2 and HMAC-MD4. They may or may not reappear at a later 
date in libcryb-mac.
 2014-07-11 13:54:22 +00:00
Dag-Erling Smørgrav
729e501b79 Mechanical whitespace cleanup 2014-07-11 13:40:06 +00:00
Dag-Erling Smørgrav
2c697a472b Implement SHA-224 and HMAC-SHA224. 2014-07-11 13:33:58 +00:00
Dag-Erling Smørgrav
6aa7f9a0e6 Implement HMAC-SHA{256,384,512} and add unit tests. Remove pre-existing 
HMAC implementations from the libcperciva and XySSL code.
 2014-07-11 13:01:32 +00:00
Dag-Erling Smørgrav
5bb81214cc Instead of storing the key in the hmac_sha1_ctx so we can compute the 
output pad in hmac_sha1_final(), prepare a sha1 context in advance and
discard the key as early as possible.
Inspired by Colin Percival's HMAC-SHA-256 implementation.
 2014-07-11 10:28:55 +00:00
Dag-Erling Smørgrav
950a1770e5 Breathe 2014-07-11 10:11:18 +00:00
Dag-Erling Smørgrav
26b512bfd7 Eliminate a variable 2014-07-11 10:10:50 +00:00
Dag-Erling Smørgrav
8f42136d40 Trust the compiler to eliminate unnecessary conversions. 2014-07-11 10:07:24 +00:00
Dag-Erling Smørgrav
fd77c1c38e Unroll the loop in sha1_compute(), speeding it up by about 50%. 2014-07-11 09:58:58 +00:00
Dag-Erling Smørgrav
dffacacccf The spec says XOR here, not OR. Interestingly, it doesn't seem to 
make any difference.
 2014-07-11 09:45:29 +00:00
Dag-Erling Smørgrav
cc13b6a16a Remove k from the sha1 context structure, as it is a constant. 
Rearrange the sha1 context structure to improve alignment.
 2014-07-11 09:17:05 +00:00
Dag-Erling Smørgrav
4467480786 Remove a mostly pointless timing attack countermeasure. 2014-07-11 09:09:47 +00:00
Dag-Erling Smørgrav
ca46c7c591 Fully separate the SHA-384 and SHA-512 code. 2014-07-11 00:12:33 +00:00
Dag-Erling Smørgrav
63bcbcca20 Rename the HMAC-SHA1 code. 2014-07-10 23:57:47 +00:00
Dag-Erling Smørgrav
b0ff5af2ba Clean up headers and typedefs. 
Fix context length in the algorithm descriptors.
Expose the block length and include it in the algorithm descriptors.
Complete the list of available digest algorithms.
 2014-07-10 18:09:47 +00:00
Dag-Erling Smørgrav
dff909ba65 Spell the name of the University of Oslo in English. 2014-07-10 17:15:54 +00:00
Dag-Erling Smørgrav
593125c353 Import sha256 from libcperciva 
Import md2, md4, sha384 and sha512 from XySSL
 2014-07-10 14:51:07 +00:00
Dag-Erling Smørgrav
1d2f0661b3 Clean up namespace macros and provide algorithm definitions. 2014-07-10 13:53:05 +00:00
Dag-Erling Smørgrav
601403cba3 Use custom keywords. 2014-07-04 11:20:46 +00:00
Dag-Erling Smørgrav
ae99587ba4 initial code drop 2014-07-04 11:18:53 +00:00