diff options
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; +} |