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| author | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-03-17 10:07:59 +0100 |
|---|---|---|
| committer | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-03-17 10:07:59 +0100 |
| commit | 4d25fa871e9960d6e01dd4b63acdf367fee5431b (patch) | |
| tree | 9ba781bbbc40b90ccb638e0c417846bd8ceb8933 /test/monniaux/sha-2 | |
| parent | b2fd964630a1e4964d97bfe84a550a701bb936b7 (diff) | |
| download | compcert-kvx-4d25fa871e9960d6e01dd4b63acdf367fee5431b.tar.gz compcert-kvx-4d25fa871e9960d6e01dd4b63acdf367fee5431b.zip | |
stats on chunks etc.
Diffstat (limited to 'test/monniaux/sha-2')
| -rw-r--r-- | test/monniaux/sha-2/sha-256.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/test/monniaux/sha-2/sha-256.c b/test/monniaux/sha-2/sha-256.c index 3bd48c44..9306b7f1 100644 --- a/test/monniaux/sha-2/sha-256.c +++ b/test/monniaux/sha-2/sha-256.c @@ -282,6 +282,7 @@ void calc_sha_256(uint8_t hash[32], const void * input, size_t len) const uint8_t *p = chunk; memset(w, 0x00, sizeof w); +#ifndef SKIP_SLOW_PARTS for (i = 0; i < 16; i++) { w[i] = (uint32_t) p[0] << 24 | (uint32_t) p[1] << 16 | (uint32_t) p[2] << 8 | (uint32_t) p[3]; @@ -289,13 +290,13 @@ void calc_sha_256(uint8_t hash[32], const void * input, size_t len) } /* Extend the first 16 words into the remaining 48 words w[16..63] of the message schedule array: */ - /* DM this is a SLOW part with ccomp */ + /* DM this is a SLOW part with ccomp; awkward address computations. */ for (i = 16; i < 64; i++) { const uint32_t s0 = right_rot7(w[i - 15]) ^ right_rot18(w[i - 15]) ^ (w[i - 15] >> 3); const uint32_t s1 = right_rot17(w[i - 2]) ^ right_rot19(w[i - 2]) ^ (w[i - 2] >> 10); w[i] = w[i - 16] + s0 + w[i - 7] + s1; } - +#endif /* Initialize working variables to current hash value: */ ah0 = h0; ah1 = h1; @@ -308,7 +309,7 @@ void calc_sha_256(uint8_t hash[32], const void * input, size_t len) /* Compression function main loop: */ #if AUTOINCREMENT - uint32_t *ki=k, *wi=w; + const uint32_t *ki=k, *wi=w; #define KI *ki #define WI *wi #define STEP i++; ki++; wi++; @@ -338,6 +339,7 @@ void calc_sha_256(uint8_t hash[32], const void * input, size_t len) STEP \ } CHUNK + CHUNK } /* Add the compressed chunk to the current hash value: */ |