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-rw-r--r--arch/x86/crypto/aesni-intel_asm.S896
1 files changed, 896 insertions, 0 deletions
diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S
new file mode 100644
index 000000000000..caba99601703
--- /dev/null
+++ b/arch/x86/crypto/aesni-intel_asm.S
@@ -0,0 +1,896 @@
+/*
+ * Implement AES algorithm in Intel AES-NI instructions.
+ *
+ * The white paper of AES-NI instructions can be downloaded from:
+ * http://softwarecommunity.intel.com/isn/downloads/intelavx/AES-Instructions-Set_WP.pdf
+ *
+ * Copyright (C) 2008, Intel Corp.
+ * Author: Huang Ying <ying.huang@intel.com>
+ * Vinodh Gopal <vinodh.gopal@intel.com>
+ * Kahraman Akdemir
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/linkage.h>
+
+.text
+
+#define STATE1 %xmm0
+#define STATE2 %xmm4
+#define STATE3 %xmm5
+#define STATE4 %xmm6
+#define STATE STATE1
+#define IN1 %xmm1
+#define IN2 %xmm7
+#define IN3 %xmm8
+#define IN4 %xmm9
+#define IN IN1
+#define KEY %xmm2
+#define IV %xmm3
+
+#define KEYP %rdi
+#define OUTP %rsi
+#define INP %rdx
+#define LEN %rcx
+#define IVP %r8
+#define KLEN %r9d
+#define T1 %r10
+#define TKEYP T1
+#define T2 %r11
+
+_key_expansion_128:
+_key_expansion_256a:
+ pshufd $0b11111111, %xmm1, %xmm1
+ shufps $0b00010000, %xmm0, %xmm4
+ pxor %xmm4, %xmm0
+ shufps $0b10001100, %xmm0, %xmm4
+ pxor %xmm4, %xmm0
+ pxor %xmm1, %xmm0
+ movaps %xmm0, (%rcx)
+ add $0x10, %rcx
+ ret
+
+_key_expansion_192a:
+ pshufd $0b01010101, %xmm1, %xmm1
+ shufps $0b00010000, %xmm0, %xmm4
+ pxor %xmm4, %xmm0
+ shufps $0b10001100, %xmm0, %xmm4
+ pxor %xmm4, %xmm0
+ pxor %xmm1, %xmm0
+
+ movaps %xmm2, %xmm5
+ movaps %xmm2, %xmm6
+ pslldq $4, %xmm5
+ pshufd $0b11111111, %xmm0, %xmm3
+ pxor %xmm3, %xmm2
+ pxor %xmm5, %xmm2
+
+ movaps %xmm0, %xmm1
+ shufps $0b01000100, %xmm0, %xmm6
+ movaps %xmm6, (%rcx)
+ shufps $0b01001110, %xmm2, %xmm1
+ movaps %xmm1, 16(%rcx)
+ add $0x20, %rcx
+ ret
+
+_key_expansion_192b:
+ pshufd $0b01010101, %xmm1, %xmm1
+ shufps $0b00010000, %xmm0, %xmm4
+ pxor %xmm4, %xmm0
+ shufps $0b10001100, %xmm0, %xmm4
+ pxor %xmm4, %xmm0
+ pxor %xmm1, %xmm0
+
+ movaps %xmm2, %xmm5
+ pslldq $4, %xmm5
+ pshufd $0b11111111, %xmm0, %xmm3
+ pxor %xmm3, %xmm2
+ pxor %xmm5, %xmm2
+
+ movaps %xmm0, (%rcx)
+ add $0x10, %rcx
+ ret
+
+_key_expansion_256b:
+ pshufd $0b10101010, %xmm1, %xmm1
+ shufps $0b00010000, %xmm2, %xmm4
+ pxor %xmm4, %xmm2
+ shufps $0b10001100, %xmm2, %xmm4
+ pxor %xmm4, %xmm2
+ pxor %xmm1, %xmm2
+ movaps %xmm2, (%rcx)
+ add $0x10, %rcx
+ ret
+
+/*
+ * int aesni_set_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
+ * unsigned int key_len)
+ */
+ENTRY(aesni_set_key)
+ movups (%rsi), %xmm0 # user key (first 16 bytes)
+ movaps %xmm0, (%rdi)
+ lea 0x10(%rdi), %rcx # key addr
+ movl %edx, 480(%rdi)
+ pxor %xmm4, %xmm4 # xmm4 is assumed 0 in _key_expansion_x
+ cmp $24, %dl
+ jb .Lenc_key128
+ je .Lenc_key192
+ movups 0x10(%rsi), %xmm2 # other user key
+ movaps %xmm2, (%rcx)
+ add $0x10, %rcx
+ # aeskeygenassist $0x1, %xmm2, %xmm1 # round 1
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x01
+ call _key_expansion_256a
+ # aeskeygenassist $0x1, %xmm0, %xmm1
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x01
+ call _key_expansion_256b
+ # aeskeygenassist $0x2, %xmm2, %xmm1 # round 2
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x02
+ call _key_expansion_256a
+ # aeskeygenassist $0x2, %xmm0, %xmm1
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x02
+ call _key_expansion_256b
+ # aeskeygenassist $0x4, %xmm2, %xmm1 # round 3
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x04
+ call _key_expansion_256a
+ # aeskeygenassist $0x4, %xmm0, %xmm1
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x04
+ call _key_expansion_256b
+ # aeskeygenassist $0x8, %xmm2, %xmm1 # round 4
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x08
+ call _key_expansion_256a
+ # aeskeygenassist $0x8, %xmm0, %xmm1
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x08
+ call _key_expansion_256b
+ # aeskeygenassist $0x10, %xmm2, %xmm1 # round 5
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x10
+ call _key_expansion_256a
+ # aeskeygenassist $0x10, %xmm0, %xmm1
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x10
+ call _key_expansion_256b
+ # aeskeygenassist $0x20, %xmm2, %xmm1 # round 6
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x20
+ call _key_expansion_256a
+ # aeskeygenassist $0x20, %xmm0, %xmm1
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x20
+ call _key_expansion_256b
+ # aeskeygenassist $0x40, %xmm2, %xmm1 # round 7
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x40
+ call _key_expansion_256a
+ jmp .Ldec_key
+.Lenc_key192:
+ movq 0x10(%rsi), %xmm2 # other user key
+ # aeskeygenassist $0x1, %xmm2, %xmm1 # round 1
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x01
+ call _key_expansion_192a
+ # aeskeygenassist $0x2, %xmm2, %xmm1 # round 2
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x02
+ call _key_expansion_192b
+ # aeskeygenassist $0x4, %xmm2, %xmm1 # round 3
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x04
+ call _key_expansion_192a
+ # aeskeygenassist $0x8, %xmm2, %xmm1 # round 4
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x08
+ call _key_expansion_192b
+ # aeskeygenassist $0x10, %xmm2, %xmm1 # round 5
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x10
+ call _key_expansion_192a
+ # aeskeygenassist $0x20, %xmm2, %xmm1 # round 6
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x20
+ call _key_expansion_192b
+ # aeskeygenassist $0x40, %xmm2, %xmm1 # round 7
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x40
+ call _key_expansion_192a
+ # aeskeygenassist $0x80, %xmm2, %xmm1 # round 8
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xca, 0x80
+ call _key_expansion_192b
+ jmp .Ldec_key
+.Lenc_key128:
+ # aeskeygenassist $0x1, %xmm0, %xmm1 # round 1
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x01
+ call _key_expansion_128
+ # aeskeygenassist $0x2, %xmm0, %xmm1 # round 2
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x02
+ call _key_expansion_128
+ # aeskeygenassist $0x4, %xmm0, %xmm1 # round 3
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x04
+ call _key_expansion_128
+ # aeskeygenassist $0x8, %xmm0, %xmm1 # round 4
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x08
+ call _key_expansion_128
+ # aeskeygenassist $0x10, %xmm0, %xmm1 # round 5
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x10
+ call _key_expansion_128
+ # aeskeygenassist $0x20, %xmm0, %xmm1 # round 6
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x20
+ call _key_expansion_128
+ # aeskeygenassist $0x40, %xmm0, %xmm1 # round 7
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x40
+ call _key_expansion_128
+ # aeskeygenassist $0x80, %xmm0, %xmm1 # round 8
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x80
+ call _key_expansion_128
+ # aeskeygenassist $0x1b, %xmm0, %xmm1 # round 9
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x1b
+ call _key_expansion_128
+ # aeskeygenassist $0x36, %xmm0, %xmm1 # round 10
+ .byte 0x66, 0x0f, 0x3a, 0xdf, 0xc8, 0x36
+ call _key_expansion_128
+.Ldec_key:
+ sub $0x10, %rcx
+ movaps (%rdi), %xmm0
+ movaps (%rcx), %xmm1
+ movaps %xmm0, 240(%rcx)
+ movaps %xmm1, 240(%rdi)
+ add $0x10, %rdi
+ lea 240-16(%rcx), %rsi
+.align 4
+.Ldec_key_loop:
+ movaps (%rdi), %xmm0
+ # aesimc %xmm0, %xmm1
+ .byte 0x66, 0x0f, 0x38, 0xdb, 0xc8
+ movaps %xmm1, (%rsi)
+ add $0x10, %rdi
+ sub $0x10, %rsi
+ cmp %rcx, %rdi
+ jb .Ldec_key_loop
+ xor %rax, %rax
+ ret
+
+/*
+ * void aesni_enc(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src)
+ */
+ENTRY(aesni_enc)
+ movl 480(KEYP), KLEN # key length
+ movups (INP), STATE # input
+ call _aesni_enc1
+ movups STATE, (OUTP) # output
+ ret
+
+/*
+ * _aesni_enc1: internal ABI
+ * input:
+ * KEYP: key struct pointer
+ * KLEN: round count
+ * STATE: initial state (input)
+ * output:
+ * STATE: finial state (output)
+ * changed:
+ * KEY
+ * TKEYP (T1)
+ */
+_aesni_enc1:
+ movaps (KEYP), KEY # key
+ mov KEYP, TKEYP
+ pxor KEY, STATE # round 0
+ add $0x30, TKEYP
+ cmp $24, KLEN
+ jb .Lenc128
+ lea 0x20(TKEYP), TKEYP
+ je .Lenc192
+ add $0x20, TKEYP
+ movaps -0x60(TKEYP), KEY
+ # aesenc KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ movaps -0x50(TKEYP), KEY
+ # aesenc KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+.align 4
+.Lenc192:
+ movaps -0x40(TKEYP), KEY
+ # aesenc KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ movaps -0x30(TKEYP), KEY
+ # aesenc KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+.align 4
+.Lenc128:
+ movaps -0x20(TKEYP), KEY
+ # aesenc KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ movaps -0x10(TKEYP), KEY
+ # aesenc KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ movaps (TKEYP), KEY
+ # aesenc KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ movaps 0x10(TKEYP), KEY
+ # aesenc KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ movaps 0x20(TKEYP), KEY
+ # aesenc KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ movaps 0x30(TKEYP), KEY
+ # aesenc KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ movaps 0x40(TKEYP), KEY
+ # aesenc KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ movaps 0x50(TKEYP), KEY
+ # aesenc KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ movaps 0x60(TKEYP), KEY
+ # aesenc KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ movaps 0x70(TKEYP), KEY
+ # aesenclast KEY, STATE # last round
+ .byte 0x66, 0x0f, 0x38, 0xdd, 0xc2
+ ret
+
+/*
+ * _aesni_enc4: internal ABI
+ * input:
+ * KEYP: key struct pointer
+ * KLEN: round count
+ * STATE1: initial state (input)
+ * STATE2
+ * STATE3
+ * STATE4
+ * output:
+ * STATE1: finial state (output)
+ * STATE2
+ * STATE3
+ * STATE4
+ * changed:
+ * KEY
+ * TKEYP (T1)
+ */
+_aesni_enc4:
+ movaps (KEYP), KEY # key
+ mov KEYP, TKEYP
+ pxor KEY, STATE1 # round 0
+ pxor KEY, STATE2
+ pxor KEY, STATE3
+ pxor KEY, STATE4
+ add $0x30, TKEYP
+ cmp $24, KLEN
+ jb .L4enc128
+ lea 0x20(TKEYP), TKEYP
+ je .L4enc192
+ add $0x20, TKEYP
+ movaps -0x60(TKEYP), KEY
+ # aesenc KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ # aesenc KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xe2
+ # aesenc KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xea
+ # aesenc KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xf2
+ movaps -0x50(TKEYP), KEY
+ # aesenc KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ # aesenc KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xe2
+ # aesenc KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xea
+ # aesenc KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xf2
+#.align 4
+.L4enc192:
+ movaps -0x40(TKEYP), KEY
+ # aesenc KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ # aesenc KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xe2
+ # aesenc KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xea
+ # aesenc KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xf2
+ movaps -0x30(TKEYP), KEY
+ # aesenc KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ # aesenc KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xe2
+ # aesenc KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xea
+ # aesenc KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xf2
+#.align 4
+.L4enc128:
+ movaps -0x20(TKEYP), KEY
+ # aesenc KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ # aesenc KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xe2
+ # aesenc KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xea
+ # aesenc KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xf2
+ movaps -0x10(TKEYP), KEY
+ # aesenc KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ # aesenc KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xe2
+ # aesenc KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xea
+ # aesenc KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xf2
+ movaps (TKEYP), KEY
+ # aesenc KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ # aesenc KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xe2
+ # aesenc KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xea
+ # aesenc KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xf2
+ movaps 0x10(TKEYP), KEY
+ # aesenc KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ # aesenc KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xe2
+ # aesenc KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xea
+ # aesenc KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xf2
+ movaps 0x20(TKEYP), KEY
+ # aesenc KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ # aesenc KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xe2
+ # aesenc KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xea
+ # aesenc KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xf2
+ movaps 0x30(TKEYP), KEY
+ # aesenc KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ # aesenc KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xe2
+ # aesenc KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xea
+ # aesenc KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xf2
+ movaps 0x40(TKEYP), KEY
+ # aesenc KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ # aesenc KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xe2
+ # aesenc KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xea
+ # aesenc KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xf2
+ movaps 0x50(TKEYP), KEY
+ # aesenc KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ # aesenc KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xe2
+ # aesenc KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xea
+ # aesenc KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xf2
+ movaps 0x60(TKEYP), KEY
+ # aesenc KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xc2
+ # aesenc KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xe2
+ # aesenc KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xea
+ # aesenc KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdc, 0xf2
+ movaps 0x70(TKEYP), KEY
+ # aesenclast KEY, STATE1 # last round
+ .byte 0x66, 0x0f, 0x38, 0xdd, 0xc2
+ # aesenclast KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdd, 0xe2
+ # aesenclast KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdd, 0xea
+ # aesenclast KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdd, 0xf2
+ ret
+
+/*
+ * void aesni_dec (struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src)
+ */
+ENTRY(aesni_dec)
+ mov 480(KEYP), KLEN # key length
+ add $240, KEYP
+ movups (INP), STATE # input
+ call _aesni_dec1
+ movups STATE, (OUTP) #output
+ ret
+
+/*
+ * _aesni_dec1: internal ABI
+ * input:
+ * KEYP: key struct pointer
+ * KLEN: key length
+ * STATE: initial state (input)
+ * output:
+ * STATE: finial state (output)
+ * changed:
+ * KEY
+ * TKEYP (T1)
+ */
+_aesni_dec1:
+ movaps (KEYP), KEY # key
+ mov KEYP, TKEYP
+ pxor KEY, STATE # round 0
+ add $0x30, TKEYP
+ cmp $24, KLEN
+ jb .Ldec128
+ lea 0x20(TKEYP), TKEYP
+ je .Ldec192
+ add $0x20, TKEYP
+ movaps -0x60(TKEYP), KEY
+ # aesdec KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ movaps -0x50(TKEYP), KEY
+ # aesdec KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+.align 4
+.Ldec192:
+ movaps -0x40(TKEYP), KEY
+ # aesdec KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ movaps -0x30(TKEYP), KEY
+ # aesdec KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+.align 4
+.Ldec128:
+ movaps -0x20(TKEYP), KEY
+ # aesdec KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ movaps -0x10(TKEYP), KEY
+ # aesdec KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ movaps (TKEYP), KEY
+ # aesdec KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ movaps 0x10(TKEYP), KEY
+ # aesdec KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ movaps 0x20(TKEYP), KEY
+ # aesdec KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ movaps 0x30(TKEYP), KEY
+ # aesdec KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ movaps 0x40(TKEYP), KEY
+ # aesdec KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ movaps 0x50(TKEYP), KEY
+ # aesdec KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ movaps 0x60(TKEYP), KEY
+ # aesdec KEY, STATE
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ movaps 0x70(TKEYP), KEY
+ # aesdeclast KEY, STATE # last round
+ .byte 0x66, 0x0f, 0x38, 0xdf, 0xc2
+ ret
+
+/*
+ * _aesni_dec4: internal ABI
+ * input:
+ * KEYP: key struct pointer
+ * KLEN: key length
+ * STATE1: initial state (input)
+ * STATE2
+ * STATE3
+ * STATE4
+ * output:
+ * STATE1: finial state (output)
+ * STATE2
+ * STATE3
+ * STATE4
+ * changed:
+ * KEY
+ * TKEYP (T1)
+ */
+_aesni_dec4:
+ movaps (KEYP), KEY # key
+ mov KEYP, TKEYP
+ pxor KEY, STATE1 # round 0
+ pxor KEY, STATE2
+ pxor KEY, STATE3
+ pxor KEY, STATE4
+ add $0x30, TKEYP
+ cmp $24, KLEN
+ jb .L4dec128
+ lea 0x20(TKEYP), TKEYP
+ je .L4dec192
+ add $0x20, TKEYP
+ movaps -0x60(TKEYP), KEY
+ # aesdec KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ # aesdec KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xe2
+ # aesdec KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xea
+ # aesdec KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xf2
+ movaps -0x50(TKEYP), KEY
+ # aesdec KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ # aesdec KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xe2
+ # aesdec KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xea
+ # aesdec KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xf2
+.align 4
+.L4dec192:
+ movaps -0x40(TKEYP), KEY
+ # aesdec KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ # aesdec KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xe2
+ # aesdec KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xea
+ # aesdec KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xf2
+ movaps -0x30(TKEYP), KEY
+ # aesdec KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ # aesdec KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xe2
+ # aesdec KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xea
+ # aesdec KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xf2
+.align 4
+.L4dec128:
+ movaps -0x20(TKEYP), KEY
+ # aesdec KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ # aesdec KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xe2
+ # aesdec KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xea
+ # aesdec KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xf2
+ movaps -0x10(TKEYP), KEY
+ # aesdec KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ # aesdec KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xe2
+ # aesdec KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xea
+ # aesdec KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xf2
+ movaps (TKEYP), KEY
+ # aesdec KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ # aesdec KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xe2
+ # aesdec KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xea
+ # aesdec KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xf2
+ movaps 0x10(TKEYP), KEY
+ # aesdec KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ # aesdec KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xe2
+ # aesdec KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xea
+ # aesdec KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xf2
+ movaps 0x20(TKEYP), KEY
+ # aesdec KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ # aesdec KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xe2
+ # aesdec KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xea
+ # aesdec KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xf2
+ movaps 0x30(TKEYP), KEY
+ # aesdec KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ # aesdec KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xe2
+ # aesdec KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xea
+ # aesdec KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xf2
+ movaps 0x40(TKEYP), KEY
+ # aesdec KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ # aesdec KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xe2
+ # aesdec KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xea
+ # aesdec KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xf2
+ movaps 0x50(TKEYP), KEY
+ # aesdec KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ # aesdec KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xe2
+ # aesdec KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xea
+ # aesdec KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xf2
+ movaps 0x60(TKEYP), KEY
+ # aesdec KEY, STATE1
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xc2
+ # aesdec KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xe2
+ # aesdec KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xea
+ # aesdec KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xde, 0xf2
+ movaps 0x70(TKEYP), KEY
+ # aesdeclast KEY, STATE1 # last round
+ .byte 0x66, 0x0f, 0x38, 0xdf, 0xc2
+ # aesdeclast KEY, STATE2
+ .byte 0x66, 0x0f, 0x38, 0xdf, 0xe2
+ # aesdeclast KEY, STATE3
+ .byte 0x66, 0x0f, 0x38, 0xdf, 0xea
+ # aesdeclast KEY, STATE4
+ .byte 0x66, 0x0f, 0x38, 0xdf, 0xf2
+ ret
+
+/*
+ * void aesni_ecb_enc(struct crypto_aes_ctx *ctx, const u8 *dst, u8 *src,
+ * size_t len)
+ */
+ENTRY(aesni_ecb_enc)
+ test LEN, LEN # check length
+ jz .Lecb_enc_ret
+ mov 480(KEYP), KLEN
+ cmp $16, LEN
+ jb .Lecb_enc_ret
+ cmp $64, LEN
+ jb .Lecb_enc_loop1
+.align 4
+.Lecb_enc_loop4:
+ movups (INP), STATE1
+ movups 0x10(INP), STATE2
+ movups 0x20(INP), STATE3
+ movups 0x30(INP), STATE4
+ call _aesni_enc4
+ movups STATE1, (OUTP)
+ movups STATE2, 0x10(OUTP)
+ movups STATE3, 0x20(OUTP)
+ movups STATE4, 0x30(OUTP)
+ sub $64, LEN
+ add $64, INP
+ add $64, OUTP
+ cmp $64, LEN
+ jge .Lecb_enc_loop4
+ cmp $16, LEN
+ jb .Lecb_enc_ret
+.align 4
+.Lecb_enc_loop1:
+ movups (INP), STATE1
+ call _aesni_enc1
+ movups STATE1, (OUTP)
+ sub $16, LEN
+ add $16, INP
+ add $16, OUTP
+ cmp $16, LEN
+ jge .Lecb_enc_loop1
+.Lecb_enc_ret:
+ ret
+
+/*
+ * void aesni_ecb_dec(struct crypto_aes_ctx *ctx, const u8 *dst, u8 *src,
+ * size_t len);
+ */
+ENTRY(aesni_ecb_dec)
+ test LEN, LEN
+ jz .Lecb_dec_ret
+ mov 480(KEYP), KLEN
+ add $240, KEYP
+ cmp $16, LEN
+ jb .Lecb_dec_ret
+ cmp $64, LEN
+ jb .Lecb_dec_loop1
+.align 4
+.Lecb_dec_loop4:
+ movups (INP), STATE1
+ movups 0x10(INP), STATE2
+ movups 0x20(INP), STATE3
+ movups 0x30(INP), STATE4
+ call _aesni_dec4
+ movups STATE1, (OUTP)
+ movups STATE2, 0x10(OUTP)
+ movups STATE3, 0x20(OUTP)
+ movups STATE4, 0x30(OUTP)
+ sub $64, LEN
+ add $64, INP
+ add $64, OUTP
+ cmp $64, LEN
+ jge .Lecb_dec_loop4
+ cmp $16, LEN
+ jb .Lecb_dec_ret
+.align 4
+.Lecb_dec_loop1:
+ movups (INP), STATE1
+ call _aesni_dec1
+ movups STATE1, (OUTP)
+ sub $16, LEN
+ add $16, INP
+ add $16, OUTP
+ cmp $16, LEN
+ jge .Lecb_dec_loop1
+.Lecb_dec_ret:
+ ret
+
+/*
+ * void aesni_cbc_enc(struct crypto_aes_ctx *ctx, const u8 *dst, u8 *src,
+ * size_t len, u8 *iv)
+ */
+ENTRY(aesni_cbc_enc)
+ cmp $16, LEN
+ jb .Lcbc_enc_ret
+ mov 480(KEYP), KLEN
+ movups (IVP), STATE # load iv as initial state
+.align 4
+.Lcbc_enc_loop:
+ movups (INP), IN # load input
+ pxor IN, STATE
+ call _aesni_enc1
+ movups STATE, (OUTP) # store output
+ sub $16, LEN
+ add $16, INP
+ add $16, OUTP
+ cmp $16, LEN
+ jge .Lcbc_enc_loop
+ movups STATE, (IVP)
+.Lcbc_enc_ret:
+ ret
+
+/*
+ * void aesni_cbc_dec(struct crypto_aes_ctx *ctx, const u8 *dst, u8 *src,
+ * size_t len, u8 *iv)
+ */
+ENTRY(aesni_cbc_dec)
+ cmp $16, LEN
+ jb .Lcbc_dec_ret
+ mov 480(KEYP), KLEN
+ add $240, KEYP
+ movups (IVP), IV
+ cmp $64, LEN
+ jb .Lcbc_dec_loop1
+.align 4
+.Lcbc_dec_loop4:
+ movups (INP), IN1
+ movaps IN1, STATE1
+ movups 0x10(INP), IN2
+ movaps IN2, STATE2
+ movups 0x20(INP), IN3
+ movaps IN3, STATE3
+ movups 0x30(INP), IN4
+ movaps IN4, STATE4
+ call _aesni_dec4
+ pxor IV, STATE1
+ pxor IN1, STATE2
+ pxor IN2, STATE3
+ pxor IN3, STATE4
+ movaps IN4, IV
+ movups STATE1, (OUTP)
+ movups STATE2, 0x10(OUTP)
+ movups STATE3, 0x20(OUTP)
+ movups STATE4, 0x30(OUTP)
+ sub $64, LEN
+ add $64, INP
+ add $64, OUTP
+ cmp $64, LEN
+ jge .Lcbc_dec_loop4
+ cmp $16, LEN
+ jb .Lcbc_dec_ret
+.align 4
+.Lcbc_dec_loop1:
+ movups (INP), IN
+ movaps IN, STATE
+ call _aesni_dec1
+ pxor IV, STATE
+ movups STATE, (OUTP)
+ movaps IN, IV
+ sub $16, LEN
+ add $16, INP
+ add $16, OUTP
+ cmp $16, LEN
+ jge .Lcbc_dec_loop1
+ movups IV, (IVP)
+.Lcbc_dec_ret:
+ ret
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 05:55:21 +0000