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-rw-r--r--src/pkg/crypto/rc4/rc4_arm.s60
1 files changed, 0 insertions, 60 deletions
diff --git a/src/pkg/crypto/rc4/rc4_arm.s b/src/pkg/crypto/rc4/rc4_arm.s
deleted file mode 100644
index 3aad72940..000000000
--- a/src/pkg/crypto/rc4/rc4_arm.s
+++ /dev/null
@@ -1,60 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-#include "../../../cmd/ld/textflag.h"
-
-// Registers
-dst = 0
-src = 1
-n = 2
-state = 3
-pi = 4
-pj = 5
-i = 6
-j = 7
-k = 8
-t = 11
-t2 = 12
-
-// func xorKeyStream(dst, src *byte, n int, state *[256]byte, i, j *uint8)
-TEXT ·xorKeyStream(SB),NOSPLIT,$0
- MOVW 0(FP), R(dst)
- MOVW 4(FP), R(src)
- MOVW 8(FP), R(n)
- MOVW 12(FP), R(state)
- MOVW 16(FP), R(pi)
- MOVW 20(FP), R(pj)
- MOVBU (R(pi)), R(i)
- MOVBU (R(pj)), R(j)
- MOVW $0, R(k)
-
-loop:
- // i += 1; j += state[i]
- ADD $1, R(i)
- AND $0xff, R(i)
- MOVBU R(i)<<2(R(state)), R(t)
- ADD R(t), R(j)
- AND $0xff, R(j)
-
- // swap state[i] <-> state[j]
- MOVBU R(j)<<2(R(state)), R(t2)
- MOVB R(t2), R(i)<<2(R(state))
- MOVB R(t), R(j)<<2(R(state))
-
- // dst[k] = src[k] ^ state[state[i] + state[j]]
- ADD R(t2), R(t)
- AND $0xff, R(t)
- MOVBU R(t)<<2(R(state)), R(t)
- MOVBU R(k)<<0(R(src)), R(t2)
- EOR R(t), R(t2)
- MOVB R(t2), R(k)<<0(R(dst))
-
- ADD $1, R(k)
- CMP R(k), R(n)
- BNE loop
-
-done:
- MOVB R(i), (R(pi))
- MOVB R(j), (R(pj))
- RET