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Author SHA1 Message Date
Dag-Erling Smørgrav
6be7e6da5f Add a check for buffer overflow 2014-07-13 21:33:46 +00:00
Dag-Erling Smørgrav
f1907404b1 Add a helper script for running the test suite with coverage analysis 
enabled.
 2014-07-13 21:21:43 +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
08208a1b3e Add unit tests for strlcat() 2014-07-13 20:40:29 +00:00
Dag-Erling Smørgrav
973b68c4fa Style nits 2014-07-13 20:39:57 +00:00
Dag-Erling Smørgrav
023d9aefaa Add comparison functions for various integer types. 2014-07-13 20:39:00 +00:00
Dag-Erling Smørgrav
4c59fd979b Reorganize the configure script. Move the header and function checks 
up so they're not affected by the debugging / developer options.
 2014-07-13 19:59:58 +00:00
Dag-Erling Smørgrav
c9536ec04b Add tests for the carry operation in sha384 and sha512, which support 
message of up to 2^128 bytes and therefore must use a high / low pair.
 2014-07-12 22:12:38 +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
a9e8aed740 Formatting nit 2014-07-11 22:29:02 +00:00
Dag-Erling Smørgrav
8c9c5f26e4 Take advantage of t_compare_mem(). 2014-07-11 22:26:23 +00:00
Dag-Erling Smørgrav
891ac33286 Typo in svn:ignore 2014-07-11 22:16:42 +00:00
Dag-Erling Smørgrav
2b1d10e02e Oops, fix copy-pasto in previous commit. 2014-07-11 22:15:57 +00:00
Dag-Erling Smørgrav
a4576782b2 Add generic comparison functions. 2014-07-11 22:10:09 +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
18650540d8 Avoid hardcoded lengths. This fixes a bug in the HMAC-SHA224 tests. 2014-07-11 15:09:59 +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
25e162687e Credit upstream sources. 2014-07-11 13:08:39 +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
17d3517f3a Forgot to svn add t_const.c. 2014-07-11 12:50:43 +00:00
Dag-Erling Smørgrav
8e786c5a98 Introduce t_zero (a 256-byte array of zeroes) and t_seq8 (a 256-byte array 
counting up from zero).  Use them to simplify the HMAC-SHA1 test vectors.
 2014-07-11 12:46:23 +00:00
Dag-Erling Smørgrav
b3a718a7ff Oops, use the correct keys 2014-07-11 11:28:01 +00:00
Dag-Erling Smørgrav
0681394b23 Replace the FIPS-198 test vectors with those from the NIST CSRC's 
algorithm example page.
 2014-07-11 11:21:19 +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
cd10966e07 Make the performance tests conditional on a run-time environment variable 
rather than a build-time option.
 2014-07-11 00:18:34 +00:00
Dag-Erling Smørgrav
7c9b8f108a Reorder for consistency 2014-07-11 00:16:52 +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
c41c51d901 Reorder for consistency 2014-07-11 00:10:48 +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
4c17e0f386 Empty and unlikely to ever be used. 2014-07-10 18:01:40 +00:00
Dag-Erling Smørgrav
b6578d1bd2 Fix props again again... why does this keep happening? 2014-07-10 17:59:50 +00:00
Dag-Erling Smørgrav
412eb72e48 Order copyright statements alphabetically (Devine < Percival < 
Smørgrav < University).
 2014-07-10 17:24:56 +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
efd34d4cc7 In an earlier version of the API, the _init function was responsible 
for allocating the context structure.  This is no longer the case, but
the _init function type was not updated to reflect this.
 2014-07-10 15:37:40 +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
0d22f2f203 Standard files that "make dist" complains about. 2014-07-10 14:44:17 +00:00
Dag-Erling Smørgrav
bb9690cd94 We need to distribute (but not install) these headers. 2014-07-10 14:39:28 +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
2f3ecfa7ba Fix include guard, and always declare the functions. 2014-07-10 13:40:23 +00:00