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authorJack Lloyd <[email protected]>2016-08-30 13:15:40 -0400
committerJack Lloyd <[email protected]>2016-08-30 13:15:40 -0400
commit6b2e3aa24fa29bf7e449372f61a709ab94c0ced5 (patch)
tree38ae8e91e1c697a1297214c36d8ee9c883b52ced /src/lib/pubkey/newhope
parenta98cdac63a9c88952b3b01875a414cac204deed5 (diff)
Fix tests on things that are not little endian
Diffstat (limited to 'src/lib/pubkey/newhope')
-rw-r--r--src/lib/pubkey/newhope/newhope.cpp18
1 files changed, 6 insertions, 12 deletions
diff --git a/src/lib/pubkey/newhope/newhope.cpp b/src/lib/pubkey/newhope/newhope.cpp
index 178cf340e..8436457b4 100644
--- a/src/lib/pubkey/newhope/newhope.cpp
+++ b/src/lib/pubkey/newhope/newhope.cpp
@@ -160,23 +160,17 @@ inline void poly_tobytes(uint8_t *r, const poly *p)
inline void poly_getnoise(Botan::RandomNumberGenerator& rng, poly *r)
{
uint8_t buf[4*PARAM_N];
- uint32_t *tp, t,d, a, b;
- int i,j;
-
- // Not an endian problem because this is just used for RNG output
- // Is an endian problem for tests
- tp = (uint32_t *) buf;
rng.randomize(buf, 4*PARAM_N);
- for(i=0;i<PARAM_N;i++)
+ for(int i=0;i<PARAM_N;i++)
{
- t = tp[i];
- d = 0;
- for(j=0;j<8;j++)
+ uint32_t t = load_le<u32bit>(buf, i);
+ uint32_t d = 0;
+ for(int j=0;j<8;j++)
d += (t >> j) & 0x01010101;
- a = ((d >> 8) & 0xff) + (d & 0xff);
- b = (d >> 24) + ((d >> 16) & 0xff);
+ uint32_t a = ((d >> 8) & 0xff) + (d & 0xff);
+ uint32_t b = (d >> 24) + ((d >> 16) & 0xff);
r->coeffs[i] = a + PARAM_Q - b;
}
}