update dependencies

1 files changed, 135 insertions, 0 deletions

diff --git a/vendor/github.com/zeebo/blake3/internal/alg/compress/compress_pure/compress.go b/vendor/github.com/zeebo/blake3/internal/alg/compress/compress_pure/compress.go
new file mode 100644
index 000000000..66ea1fb75
--- /dev/null
+++ b/vendor/github.com/zeebo/blake3/internal/alg/compress/compress_pure/compress.go
@@ -0,0 +1,135 @@
+package compress_pure
+
+import (
+	"math/bits"
+
+	"github.com/zeebo/blake3/internal/consts"
+)
+
+func Compress(
+	chain *[8]uint32,
+	block *[16]uint32,
+	counter uint64,
+	blen uint32,
+	flags uint32,
+	out *[16]uint32,
+) {
+
+	*out = [16]uint32{
+		chain[0], chain[1], chain[2], chain[3],
+		chain[4], chain[5], chain[6], chain[7],
+		consts.IV0, consts.IV1, consts.IV2, consts.IV3,
+		uint32(counter), uint32(counter >> 32), blen, flags,
+	}
+
+	rcompress(out, block)
+}
+
+func g(a, b, c, d, mx, my uint32) (uint32, uint32, uint32, uint32) {
+	a += b + mx
+	d = bits.RotateLeft32(d^a, -16)
+	c += d
+	b = bits.RotateLeft32(b^c, -12)
+	a += b + my
+	d = bits.RotateLeft32(d^a, -8)
+	c += d
+	b = bits.RotateLeft32(b^c, -7)
+	return a, b, c, d
+}
+
+func rcompress(s *[16]uint32, m *[16]uint32) {
+	const (
+		a = 10
+		b = 11
+		c = 12
+		d = 13
+		e = 14
+		f = 15
+	)
+
+	s0, s1, s2, s3 := s[0+0], s[0+1], s[0+2], s[0+3]
+	s4, s5, s6, s7 := s[0+4], s[0+5], s[0+6], s[0+7]
+	s8, s9, sa, sb := s[8+0], s[8+1], s[8+2], s[8+3]
+	sc, sd, se, sf := s[8+4], s[8+5], s[8+6], s[8+7]
+
+	s0, s4, s8, sc = g(s0, s4, s8, sc, m[0], m[1])
+	s1, s5, s9, sd = g(s1, s5, s9, sd, m[2], m[3])
+	s2, s6, sa, se = g(s2, s6, sa, se, m[4], m[5])
+	s3, s7, sb, sf = g(s3, s7, sb, sf, m[6], m[7])
+	s0, s5, sa, sf = g(s0, s5, sa, sf, m[8], m[9])
+	s1, s6, sb, sc = g(s1, s6, sb, sc, m[a], m[b])
+	s2, s7, s8, sd = g(s2, s7, s8, sd, m[c], m[d])
+	s3, s4, s9, se = g(s3, s4, s9, se, m[e], m[f])
+
+	s0, s4, s8, sc = g(s0, s4, s8, sc, m[2], m[6])
+	s1, s5, s9, sd = g(s1, s5, s9, sd, m[3], m[a])
+	s2, s6, sa, se = g(s2, s6, sa, se, m[7], m[0])
+	s3, s7, sb, sf = g(s3, s7, sb, sf, m[4], m[d])
+	s0, s5, sa, sf = g(s0, s5, sa, sf, m[1], m[b])
+	s1, s6, sb, sc = g(s1, s6, sb, sc, m[c], m[5])
+	s2, s7, s8, sd = g(s2, s7, s8, sd, m[9], m[e])
+	s3, s4, s9, se = g(s3, s4, s9, se, m[f], m[8])
+
+	s0, s4, s8, sc = g(s0, s4, s8, sc, m[3], m[4])
+	s1, s5, s9, sd = g(s1, s5, s9, sd, m[a], m[c])
+	s2, s6, sa, se = g(s2, s6, sa, se, m[d], m[2])
+	s3, s7, sb, sf = g(s3, s7, sb, sf, m[7], m[e])
+	s0, s5, sa, sf = g(s0, s5, sa, sf, m[6], m[5])
+	s1, s6, sb, sc = g(s1, s6, sb, sc, m[9], m[0])
+	s2, s7, s8, sd = g(s2, s7, s8, sd, m[b], m[f])
+	s3, s4, s9, se = g(s3, s4, s9, se, m[8], m[1])
+
+	s0, s4, s8, sc = g(s0, s4, s8, sc, m[a], m[7])
+	s1, s5, s9, sd = g(s1, s5, s9, sd, m[c], m[9])
+	s2, s6, sa, se = g(s2, s6, sa, se, m[e], m[3])
+	s3, s7, sb, sf = g(s3, s7, sb, sf, m[d], m[f])
+	s0, s5, sa, sf = g(s0, s5, sa, sf, m[4], m[0])
+	s1, s6, sb, sc = g(s1, s6, sb, sc, m[b], m[2])
+	s2, s7, s8, sd = g(s2, s7, s8, sd, m[5], m[8])
+	s3, s4, s9, se = g(s3, s4, s9, se, m[1], m[6])
+
+	s0, s4, s8, sc = g(s0, s4, s8, sc, m[c], m[d])
+	s1, s5, s9, sd = g(s1, s5, s9, sd, m[9], m[b])
+	s2, s6, sa, se = g(s2, s6, sa, se, m[f], m[a])
+	s3, s7, sb, sf = g(s3, s7, sb, sf, m[e], m[8])
+	s0, s5, sa, sf = g(s0, s5, sa, sf, m[7], m[2])
+	s1, s6, sb, sc = g(s1, s6, sb, sc, m[5], m[3])
+	s2, s7, s8, sd = g(s2, s7, s8, sd, m[0], m[1])
+	s3, s4, s9, se = g(s3, s4, s9, se, m[6], m[4])
+
+	s0, s4, s8, sc = g(s0, s4, s8, sc, m[9], m[e])
+	s1, s5, s9, sd = g(s1, s5, s9, sd, m[b], m[5])
+	s2, s6, sa, se = g(s2, s6, sa, se, m[8], m[c])
+	s3, s7, sb, sf = g(s3, s7, sb, sf, m[f], m[1])
+	s0, s5, sa, sf = g(s0, s5, sa, sf, m[d], m[3])
+	s1, s6, sb, sc = g(s1, s6, sb, sc, m[0], m[a])
+	s2, s7, s8, sd = g(s2, s7, s8, sd, m[2], m[6])
+	s3, s4, s9, se = g(s3, s4, s9, se, m[4], m[7])
+
+	s0, s4, s8, sc = g(s0, s4, s8, sc, m[b], m[f])
+	s1, s5, s9, sd = g(s1, s5, s9, sd, m[5], m[0])
+	s2, s6, sa, se = g(s2, s6, sa, se, m[1], m[9])
+	s3, s7, sb, sf = g(s3, s7, sb, sf, m[8], m[6])
+	s0, s5, sa, sf = g(s0, s5, sa, sf, m[e], m[a])
+	s1, s6, sb, sc = g(s1, s6, sb, sc, m[2], m[c])
+	s2, s7, s8, sd = g(s2, s7, s8, sd, m[3], m[4])
+	s3, s4, s9, se = g(s3, s4, s9, se, m[7], m[d])
+
+	s[8+0] = s8 ^ s[0]
+	s[8+1] = s9 ^ s[1]
+	s[8+2] = sa ^ s[2]
+	s[8+3] = sb ^ s[3]
+	s[8+4] = sc ^ s[4]
+	s[8+5] = sd ^ s[5]
+	s[8+6] = se ^ s[6]
+	s[8+7] = sf ^ s[7]
+
+	s[0] = s0 ^ s8
+	s[1] = s1 ^ s9
+	s[2] = s2 ^ sa
+	s[3] = s3 ^ sb
+	s[4] = s4 ^ sc
+	s[5] = s5 ^ sd
+	s[6] = s6 ^ se
+	s[7] = s7 ^ sf
+}