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author | 2018-01-16 13:42:15 +0100 | |
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committer | 2022-03-05 09:41:28 -0700 | |
commit | dc92795f3ee0a0e940fe6387684d6ba25904fe1f (patch) | |
tree | 3ba609a5b3090311494057386c2b60ca12de7c94 /spelvin.c | |
download | kbench9000-dc92795f3ee0a0e940fe6387684d6ba25904fe1f.tar.xz kbench9000-dc92795f3ee0a0e940fe6387684d6ba25904fe1f.zip |
Initial scaffolding
Diffstat (limited to 'spelvin.c')
-rw-r--r-- | spelvin.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/spelvin.c b/spelvin.c new file mode 100644 index 0000000..a6f2100 --- /dev/null +++ b/spelvin.c @@ -0,0 +1,26 @@ +#include <linux/kernel.h> + +void mix_spelvin(u32 h[4], const u32 v[4]) +{ + u32 a = h[0] ^ v[0], b = h[1] ^ v[1]; + u32 c = h[2] ^ v[2], d = h[3] ^ v[3]; + + a += b; c += d; + b = rol32(b, 6); d = rol32(d, 27); + d ^= a; b ^= c; + + a += b; c += d; + b = rol32(b, 16); d = rol32(d, 14); + d ^= a; b ^= c; + + a += b; c += d; + b = rol32(b, 6); d = rol32(d, 27); + d ^= a; b ^= c; + + a += b; c += d; + b = rol32(b, 16); d = rol32(d, 14); + d ^= a; b ^= c; + + h[0] = a; h[1] = b; + h[2] = c; h[3] = d; +} |