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all: use math/bits.RotateLeft

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Updates golang/go#31456

Change-Id: Idf043a25632526baa190bf42ed360cb79f85e493
GitHub-Last-Rev: 59461578926a85a87cc68dac96c0b7559766b7cf
GitHub-Pull-Request: golang/crypto#195
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/356518
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: David Chase <drchase@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
This commit is contained in:
Alexander Yastrebov
2022-10-24 17:35:37 +00:00
committed by Gopher Robot
parent 642fcc37f5
commit a3485e1740
8 changed files with 254 additions and 251 deletions
Download Patch File Download Diff File Expand all files Collapse all files
md4/md4block.go
+8 -6
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@@ -8,9 +8,11 @@
package md4
var shift1 = []uint{3, 7, 11, 19}
var shift2 = []uint{3, 5, 9, 13}
var shift3 = []uint{3, 9, 11, 15}
import "math/bits"
var shift1 = []int{3, 7, 11, 19}
var shift2 = []int{3, 5, 9, 13}
var shift3 = []int{3, 9, 11, 15}
var xIndex2 = []uint{0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15}
var xIndex3 = []uint{0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15}
@@ -48,7 +50,7 @@ func _Block(dig *digest, p []byte) int {
s := shift1[i%4]
f := ((c ^ d) & b) ^ d
a += f + X[x]
a = a<<s | a>>(32-s)
a = bits.RotateLeft32(a, s)
a, b, c, d = d, a, b, c
}
@@ -58,7 +60,7 @@ func _Block(dig *digest, p []byte) int {
s := shift2[i%4]
g := (b & c) | (b & d) | (c & d)
a += g + X[x] + 0x5a827999
a = a<<s | a>>(32-s)
a = bits.RotateLeft32(a, s)
a, b, c, d = d, a, b, c
}
@@ -68,7 +70,7 @@ func _Block(dig *digest, p []byte) int {
s := shift3[i%4]
h := b ^ c ^ d
a += h + X[x] + 0x6ed9eba1
a = a<<s | a>>(32-s)
a = bits.RotateLeft32(a, s)
a, b, c, d = d, a, b, c
}