mirror of
https://github.com/oxen-io/session-android.git
synced 2024-12-24 08:47:46 +00:00
762 lines
15 KiB
ArmAsm
762 lines
15 KiB
ArmAsm
#include "arm_arch.h"
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#if __ARM_ARCH__>=7
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.text
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.arch armv8-a+crypto
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.align 5
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rcon:
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.long 0x01,0x01,0x01,0x01
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.long 0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d // rotate-n-splat
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.long 0x1b,0x1b,0x1b,0x1b
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.globl aes_v8_set_encrypt_key
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.type aes_v8_set_encrypt_key,%function
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.align 5
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aes_v8_set_encrypt_key:
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.Lenc_key:
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stp x29,x30,[sp,#-16]!
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add x29,sp,#0
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adr x3,rcon
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cmp w1,#192
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eor v0.16b,v0.16b,v0.16b
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ld1 {v3.16b},[x0],#16
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mov w1,#8 // reuse w1
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ld1 {v1.4s,v2.4s},[x3],#32
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b.lt .Loop128
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b.eq .L192
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b .L256
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.align 4
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.Loop128:
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tbl v6.16b,{v3.16b},v2.16b
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ext v5.16b,v0.16b,v3.16b,#12
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st1 {v3.4s},[x2],#16
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aese v6.16b,v0.16b
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subs w1,w1,#1
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eor v3.16b,v3.16b,v5.16b
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ext v5.16b,v0.16b,v5.16b,#12
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eor v3.16b,v3.16b,v5.16b
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ext v5.16b,v0.16b,v5.16b,#12
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eor v6.16b,v6.16b,v1.16b
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eor v3.16b,v3.16b,v5.16b
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shl v1.16b,v1.16b,#1
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eor v3.16b,v3.16b,v6.16b
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b.ne .Loop128
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ld1 {v1.4s},[x3]
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tbl v6.16b,{v3.16b},v2.16b
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ext v5.16b,v0.16b,v3.16b,#12
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st1 {v3.4s},[x2],#16
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aese v6.16b,v0.16b
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eor v3.16b,v3.16b,v5.16b
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ext v5.16b,v0.16b,v5.16b,#12
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eor v3.16b,v3.16b,v5.16b
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ext v5.16b,v0.16b,v5.16b,#12
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eor v6.16b,v6.16b,v1.16b
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eor v3.16b,v3.16b,v5.16b
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shl v1.16b,v1.16b,#1
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eor v3.16b,v3.16b,v6.16b
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tbl v6.16b,{v3.16b},v2.16b
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ext v5.16b,v0.16b,v3.16b,#12
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st1 {v3.4s},[x2],#16
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aese v6.16b,v0.16b
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eor v3.16b,v3.16b,v5.16b
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ext v5.16b,v0.16b,v5.16b,#12
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eor v3.16b,v3.16b,v5.16b
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ext v5.16b,v0.16b,v5.16b,#12
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eor v6.16b,v6.16b,v1.16b
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eor v3.16b,v3.16b,v5.16b
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eor v3.16b,v3.16b,v6.16b
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st1 {v3.4s},[x2]
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add x2,x2,#0x50
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mov w12,#10
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b .Ldone
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.align 4
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.L192:
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ld1 {v4.8b},[x0],#8
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movi v6.16b,#8 // borrow v6.16b
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st1 {v3.4s},[x2],#16
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sub v2.16b,v2.16b,v6.16b // adjust the mask
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.Loop192:
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tbl v6.16b,{v4.16b},v2.16b
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ext v5.16b,v0.16b,v3.16b,#12
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st1 {v4.8b},[x2],#8
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aese v6.16b,v0.16b
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subs w1,w1,#1
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eor v3.16b,v3.16b,v5.16b
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ext v5.16b,v0.16b,v5.16b,#12
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eor v3.16b,v3.16b,v5.16b
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ext v5.16b,v0.16b,v5.16b,#12
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eor v3.16b,v3.16b,v5.16b
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dup v5.4s,v3.s[3]
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eor v5.16b,v5.16b,v4.16b
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eor v6.16b,v6.16b,v1.16b
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ext v4.16b,v0.16b,v4.16b,#12
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shl v1.16b,v1.16b,#1
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eor v4.16b,v4.16b,v5.16b
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eor v3.16b,v3.16b,v6.16b
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eor v4.16b,v4.16b,v6.16b
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st1 {v3.4s},[x2],#16
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b.ne .Loop192
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mov w12,#12
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add x2,x2,#0x20
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b .Ldone
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.align 4
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.L256:
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ld1 {v4.16b},[x0]
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mov w1,#7
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mov w12,#14
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st1 {v3.4s},[x2],#16
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.Loop256:
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tbl v6.16b,{v4.16b},v2.16b
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ext v5.16b,v0.16b,v3.16b,#12
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st1 {v4.4s},[x2],#16
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aese v6.16b,v0.16b
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subs w1,w1,#1
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eor v3.16b,v3.16b,v5.16b
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ext v5.16b,v0.16b,v5.16b,#12
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eor v3.16b,v3.16b,v5.16b
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ext v5.16b,v0.16b,v5.16b,#12
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eor v6.16b,v6.16b,v1.16b
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eor v3.16b,v3.16b,v5.16b
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shl v1.16b,v1.16b,#1
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eor v3.16b,v3.16b,v6.16b
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st1 {v3.4s},[x2],#16
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b.eq .Ldone
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dup v6.4s,v3.s[3] // just splat
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ext v5.16b,v0.16b,v4.16b,#12
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aese v6.16b,v0.16b
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eor v4.16b,v4.16b,v5.16b
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ext v5.16b,v0.16b,v5.16b,#12
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eor v4.16b,v4.16b,v5.16b
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ext v5.16b,v0.16b,v5.16b,#12
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eor v4.16b,v4.16b,v5.16b
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eor v4.16b,v4.16b,v6.16b
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b .Loop256
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.Ldone:
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str w12,[x2]
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eor x0,x0,x0 // return value
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ldr x29,[sp],#16
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ret
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.size aes_v8_set_encrypt_key,.-aes_v8_set_encrypt_key
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.globl aes_v8_set_decrypt_key
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.type aes_v8_set_decrypt_key,%function
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.align 5
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aes_v8_set_decrypt_key:
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stp x29,x30,[sp,#-16]!
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add x29,sp,#0
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bl .Lenc_key
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sub x2,x2,#240 // restore original x2
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mov x4,#-16
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add x0,x2,x12,lsl#4 // end of key schedule
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ld1 {v0.4s},[x2]
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ld1 {v1.4s},[x0]
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st1 {v0.4s},[x0],x4
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st1 {v1.4s},[x2],#16
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.Loop_imc:
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ld1 {v0.4s},[x2]
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ld1 {v1.4s},[x0]
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aesimc v0.16b,v0.16b
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aesimc v1.16b,v1.16b
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st1 {v0.4s},[x0],x4
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st1 {v1.4s},[x2],#16
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cmp x0,x2
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b.hi .Loop_imc
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ld1 {v0.4s},[x2]
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aesimc v0.16b,v0.16b
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st1 {v0.4s},[x0]
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eor x0,x0,x0 // return value
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ldp x29,x30,[sp],#16
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ret
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.size aes_v8_set_decrypt_key,.-aes_v8_set_decrypt_key
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.globl aes_v8_encrypt
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.type aes_v8_encrypt,%function
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.align 5
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aes_v8_encrypt:
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ldr w3,[x2,#240]
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ld1 {v0.4s},[x2],#16
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ld1 {v2.16b},[x0]
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sub w3,w3,#2
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ld1 {v1.4s},[x2],#16
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.Loop_enc:
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aese v2.16b,v0.16b
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ld1 {v0.4s},[x2],#16
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aesmc v2.16b,v2.16b
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subs w3,w3,#2
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aese v2.16b,v1.16b
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ld1 {v1.4s},[x2],#16
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aesmc v2.16b,v2.16b
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b.gt .Loop_enc
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aese v2.16b,v0.16b
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ld1 {v0.4s},[x2]
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aesmc v2.16b,v2.16b
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aese v2.16b,v1.16b
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eor v2.16b,v2.16b,v0.16b
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st1 {v2.16b},[x1]
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ret
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.size aes_v8_encrypt,.-aes_v8_encrypt
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.globl aes_v8_decrypt
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.type aes_v8_decrypt,%function
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.align 5
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aes_v8_decrypt:
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ldr w3,[x2,#240]
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ld1 {v0.4s},[x2],#16
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ld1 {v2.16b},[x0]
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sub w3,w3,#2
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ld1 {v1.4s},[x2],#16
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.Loop_dec:
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aesd v2.16b,v0.16b
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ld1 {v0.4s},[x2],#16
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aesimc v2.16b,v2.16b
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subs w3,w3,#2
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aesd v2.16b,v1.16b
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ld1 {v1.4s},[x2],#16
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aesimc v2.16b,v2.16b
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b.gt .Loop_dec
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aesd v2.16b,v0.16b
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ld1 {v0.4s},[x2]
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aesimc v2.16b,v2.16b
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aesd v2.16b,v1.16b
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eor v2.16b,v2.16b,v0.16b
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st1 {v2.16b},[x1]
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ret
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.size aes_v8_decrypt,.-aes_v8_decrypt
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.globl aes_v8_cbc_encrypt
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.type aes_v8_cbc_encrypt,%function
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.align 5
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aes_v8_cbc_encrypt:
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stp x29,x30,[sp,#-16]!
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add x29,sp,#0
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subs x2,x2,#16
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mov x8,#16
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b.lo .Lcbc_abort
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csel x8,xzr,x8,eq
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cmp w5,#0 // en- or decrypting?
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ldr w5,[x3,#240]
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and x2,x2,#-16
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ld1 {v6.16b},[x4]
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ld1 {v0.16b},[x0],x8
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ld1 {v16.4s-v17.4s},[x3] // load key schedule...
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sub w5,w5,#6
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add x7,x3,x5,lsl#4 // pointer to last 7 round keys
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sub w5,w5,#2
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ld1 {v18.4s-v19.4s},[x7],#32
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ld1 {v20.4s-v21.4s},[x7],#32
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ld1 {v22.4s-v23.4s},[x7],#32
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ld1 {v7.4s},[x7]
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add x7,x3,#32
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mov w6,w5
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b.eq .Lcbc_dec
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cmp w5,#2
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eor v0.16b,v0.16b,v6.16b
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eor v5.16b,v16.16b,v7.16b
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b.eq .Lcbc_enc128
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.Loop_cbc_enc:
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aese v0.16b,v16.16b
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ld1 {v16.4s},[x7],#16
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aesmc v0.16b,v0.16b
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subs w6,w6,#2
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aese v0.16b,v17.16b
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ld1 {v17.4s},[x7],#16
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aesmc v0.16b,v0.16b
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b.gt .Loop_cbc_enc
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aese v0.16b,v16.16b
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aesmc v0.16b,v0.16b
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subs x2,x2,#16
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aese v0.16b,v17.16b
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aesmc v0.16b,v0.16b
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csel x8,xzr,x8,eq
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aese v0.16b,v18.16b
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aesmc v0.16b,v0.16b
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add x7,x3,#16
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aese v0.16b,v19.16b
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aesmc v0.16b,v0.16b
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ld1 {v16.16b},[x0],x8
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aese v0.16b,v20.16b
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aesmc v0.16b,v0.16b
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eor v16.16b,v16.16b,v5.16b
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aese v0.16b,v21.16b
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aesmc v0.16b,v0.16b
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ld1 {v17.4s},[x7],#16 // re-pre-load rndkey[1]
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aese v0.16b,v22.16b
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aesmc v0.16b,v0.16b
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aese v0.16b,v23.16b
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mov w6,w5
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eor v6.16b,v0.16b,v7.16b
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st1 {v6.16b},[x1],#16
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b.hs .Loop_cbc_enc
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b .Lcbc_done
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.align 5
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.Lcbc_enc128:
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ld1 {v2.4s-v3.4s},[x7]
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aese v0.16b,v16.16b
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aesmc v0.16b,v0.16b
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b .Lenter_cbc_enc128
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.Loop_cbc_enc128:
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aese v0.16b,v16.16b
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aesmc v0.16b,v0.16b
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st1 {v6.16b},[x1],#16
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.Lenter_cbc_enc128:
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aese v0.16b,v17.16b
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aesmc v0.16b,v0.16b
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subs x2,x2,#16
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aese v0.16b,v2.16b
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aesmc v0.16b,v0.16b
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csel x8,xzr,x8,eq
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aese v0.16b,v3.16b
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aesmc v0.16b,v0.16b
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aese v0.16b,v18.16b
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aesmc v0.16b,v0.16b
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aese v0.16b,v19.16b
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aesmc v0.16b,v0.16b
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ld1 {v16.16b},[x0],x8
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aese v0.16b,v20.16b
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aesmc v0.16b,v0.16b
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aese v0.16b,v21.16b
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aesmc v0.16b,v0.16b
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aese v0.16b,v22.16b
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aesmc v0.16b,v0.16b
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eor v16.16b,v16.16b,v5.16b
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aese v0.16b,v23.16b
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eor v6.16b,v0.16b,v7.16b
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b.hs .Loop_cbc_enc128
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st1 {v6.16b},[x1],#16
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b .Lcbc_done
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.align 5
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.Lcbc_dec128:
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ld1 {v4.4s-v5.4s},[x7]
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eor v6.16b,v6.16b,v7.16b
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eor v2.16b,v0.16b,v7.16b
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mov x12,x8
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.Loop2x_cbc_dec128:
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aesd v0.16b,v16.16b
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aesd v1.16b,v16.16b
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aesimc v0.16b,v0.16b
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aesimc v1.16b,v1.16b
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subs x2,x2,#32
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aesd v0.16b,v17.16b
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aesd v1.16b,v17.16b
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aesimc v0.16b,v0.16b
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aesimc v1.16b,v1.16b
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csel x8,xzr,x8,lo
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aesd v0.16b,v4.16b
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aesd v1.16b,v4.16b
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aesimc v0.16b,v0.16b
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aesimc v1.16b,v1.16b
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csel x12,xzr,x12,ls
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aesd v0.16b,v5.16b
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aesd v1.16b,v5.16b
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aesimc v0.16b,v0.16b
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aesimc v1.16b,v1.16b
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aesd v0.16b,v18.16b
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aesd v1.16b,v18.16b
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aesimc v0.16b,v0.16b
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aesimc v1.16b,v1.16b
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aesd v0.16b,v19.16b
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aesd v1.16b,v19.16b
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aesimc v0.16b,v0.16b
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aesimc v1.16b,v1.16b
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aesd v0.16b,v20.16b
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aesd v1.16b,v20.16b
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aesimc v0.16b,v0.16b
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aesimc v1.16b,v1.16b
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aesd v0.16b,v21.16b
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aesd v1.16b,v21.16b
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aesimc v0.16b,v0.16b
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aesimc v1.16b,v1.16b
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aesd v0.16b,v22.16b
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aesd v1.16b,v22.16b
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aesimc v0.16b,v0.16b
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aesimc v1.16b,v1.16b
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aesd v0.16b,v23.16b
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aesd v1.16b,v23.16b
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eor v6.16b,v6.16b,v0.16b
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ld1 {v0.16b},[x0],x8
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eor v2.16b,v2.16b,v1.16b
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ld1 {v1.16b},[x0],x12
|
|
st1 {v6.16b},[x1],#16
|
|
eor v6.16b,v3.16b,v7.16b
|
|
st1 {v2.16b},[x1],#16
|
|
eor v2.16b,v0.16b,v7.16b
|
|
orr v3.16b,v1.16b,v1.16b
|
|
b.hs .Loop2x_cbc_dec128
|
|
|
|
adds x2,x2,#32
|
|
eor v6.16b,v6.16b,v7.16b
|
|
b.eq .Lcbc_done
|
|
eor v2.16b,v2.16b,v7.16b
|
|
b .Lcbc_dec_tail
|
|
|
|
.align 5
|
|
.Lcbc_dec:
|
|
subs x2,x2,#16
|
|
orr v2.16b,v0.16b,v0.16b
|
|
b.lo .Lcbc_dec_tail
|
|
|
|
csel x8,xzr,x8,eq
|
|
cmp w5,#2
|
|
ld1 {v1.16b},[x0],x8
|
|
orr v3.16b,v1.16b,v1.16b
|
|
b.eq .Lcbc_dec128
|
|
|
|
.Loop2x_cbc_dec:
|
|
aesd v0.16b,v16.16b
|
|
aesd v1.16b,v16.16b
|
|
ld1 {v16.4s},[x7],#16
|
|
aesimc v0.16b,v0.16b
|
|
aesimc v1.16b,v1.16b
|
|
subs w6,w6,#2
|
|
aesd v0.16b,v17.16b
|
|
aesd v1.16b,v17.16b
|
|
ld1 {v17.4s},[x7],#16
|
|
aesimc v0.16b,v0.16b
|
|
aesimc v1.16b,v1.16b
|
|
b.gt .Loop2x_cbc_dec
|
|
|
|
aesd v0.16b,v16.16b
|
|
aesd v1.16b,v16.16b
|
|
aesimc v0.16b,v0.16b
|
|
aesimc v1.16b,v1.16b
|
|
eor v4.16b,v6.16b,v7.16b
|
|
eor v5.16b,v2.16b,v7.16b
|
|
aesd v0.16b,v17.16b
|
|
aesd v1.16b,v17.16b
|
|
aesimc v0.16b,v0.16b
|
|
aesimc v1.16b,v1.16b
|
|
orr v6.16b,v3.16b,v3.16b
|
|
subs x2,x2,#32
|
|
aesd v0.16b,v18.16b
|
|
aesd v1.16b,v18.16b
|
|
aesimc v0.16b,v0.16b
|
|
csel x8,xzr,x8,lo
|
|
aesimc v1.16b,v1.16b
|
|
mov x7,x3
|
|
aesd v0.16b,v19.16b
|
|
aesd v1.16b,v19.16b
|
|
aesimc v0.16b,v0.16b
|
|
ld1 {v2.16b},[x0],x8
|
|
aesimc v1.16b,v1.16b
|
|
csel x8,xzr,x8,ls
|
|
aesd v0.16b,v20.16b
|
|
aesd v1.16b,v20.16b
|
|
aesimc v0.16b,v0.16b
|
|
aesimc v1.16b,v1.16b
|
|
ld1 {v3.16b},[x0],x8
|
|
aesd v0.16b,v21.16b
|
|
aesd v1.16b,v21.16b
|
|
aesimc v0.16b,v0.16b
|
|
aesimc v1.16b,v1.16b
|
|
ld1 {v16.4s},[x7],#16 // re-pre-load rndkey[0]
|
|
aesd v0.16b,v22.16b
|
|
aesd v1.16b,v22.16b
|
|
aesimc v0.16b,v0.16b
|
|
aesimc v1.16b,v1.16b
|
|
ld1 {v17.4s},[x7],#16 // re-pre-load rndkey[1]
|
|
aesd v0.16b,v23.16b
|
|
aesd v1.16b,v23.16b
|
|
|
|
mov w6,w5
|
|
eor v4.16b,v4.16b,v0.16b
|
|
eor v5.16b,v5.16b,v1.16b
|
|
orr v0.16b,v2.16b,v2.16b
|
|
st1 {v4.16b},[x1],#16
|
|
orr v1.16b,v3.16b,v3.16b
|
|
st1 {v5.16b},[x1],#16
|
|
b.hs .Loop2x_cbc_dec
|
|
|
|
adds x2,x2,#32
|
|
b.eq .Lcbc_done
|
|
|
|
.Lcbc_dec_tail:
|
|
aesd v0.16b,v16.16b
|
|
ld1 {v16.4s},[x7],#16
|
|
aesimc v0.16b,v0.16b
|
|
subs w6,w6,#2
|
|
aesd v0.16b,v17.16b
|
|
ld1 {v17.4s},[x7],#16
|
|
aesimc v0.16b,v0.16b
|
|
b.gt .Lcbc_dec_tail
|
|
|
|
aesd v0.16b,v16.16b
|
|
aesimc v0.16b,v0.16b
|
|
aesd v0.16b,v17.16b
|
|
aesimc v0.16b,v0.16b
|
|
eor v4.16b,v6.16b,v7.16b
|
|
aesd v0.16b,v18.16b
|
|
aesimc v0.16b,v0.16b
|
|
orr v6.16b,v2.16b,v2.16b
|
|
aesd v0.16b,v19.16b
|
|
aesimc v0.16b,v0.16b
|
|
aesd v0.16b,v20.16b
|
|
aesimc v0.16b,v0.16b
|
|
aesd v0.16b,v21.16b
|
|
aesimc v0.16b,v0.16b
|
|
aesd v0.16b,v22.16b
|
|
aesimc v0.16b,v0.16b
|
|
aesd v0.16b,v23.16b
|
|
|
|
eor v4.16b,v4.16b,v0.16b
|
|
st1 {v4.16b},[x1],#16
|
|
|
|
.Lcbc_done:
|
|
st1 {v6.16b},[x4]
|
|
.Lcbc_abort:
|
|
ldr x29,[sp],#16
|
|
ret
|
|
.size aes_v8_cbc_encrypt,.-aes_v8_cbc_encrypt
|
|
.globl aes_v8_ctr32_encrypt_blocks
|
|
.type aes_v8_ctr32_encrypt_blocks,%function
|
|
.align 5
|
|
aes_v8_ctr32_encrypt_blocks:
|
|
stp x29,x30,[sp,#-16]!
|
|
add x29,sp,#0
|
|
ldr w5,[x3,#240]
|
|
|
|
ldr w8, [x4, #12]
|
|
ld1 {v0.4s},[x4]
|
|
|
|
ld1 {v16.4s-v17.4s},[x3] // load key schedule...
|
|
sub w5,w5,#6
|
|
add x7,x3,x5,lsl#4 // pointer to last 7 round keys
|
|
sub w5,w5,#2
|
|
ld1 {v18.4s-v19.4s},[x7],#32
|
|
ld1 {v20.4s-v21.4s},[x7],#32
|
|
ld1 {v22.4s-v23.4s},[x7],#32
|
|
ld1 {v7.4s},[x7]
|
|
|
|
add x7,x3,#32
|
|
mov w6,w5
|
|
|
|
subs x2,x2,#2
|
|
b.lo .Lctr32_tail
|
|
|
|
#ifndef __ARMEB__
|
|
rev w8, w8
|
|
#endif
|
|
orr v1.16b,v0.16b,v0.16b
|
|
add w8, w8, #1
|
|
orr v6.16b,v0.16b,v0.16b
|
|
rev w10, w8
|
|
cmp w5,#2
|
|
mov v1.s[3],w10
|
|
b.eq .Lctr32_128
|
|
|
|
.Loop2x_ctr32:
|
|
aese v0.16b,v16.16b
|
|
aese v1.16b,v16.16b
|
|
ld1 {v16.4s},[x7],#16
|
|
aesmc v0.16b,v0.16b
|
|
aesmc v1.16b,v1.16b
|
|
subs w6,w6,#2
|
|
aese v0.16b,v17.16b
|
|
aese v1.16b,v17.16b
|
|
ld1 {v17.4s},[x7],#16
|
|
aesmc v0.16b,v0.16b
|
|
aesmc v1.16b,v1.16b
|
|
b.gt .Loop2x_ctr32
|
|
|
|
aese v0.16b,v16.16b
|
|
aese v1.16b,v16.16b
|
|
aesmc v4.16b,v0.16b
|
|
orr v0.16b,v6.16b,v6.16b
|
|
aesmc v5.16b,v1.16b
|
|
orr v1.16b,v6.16b,v6.16b
|
|
aese v4.16b,v17.16b
|
|
aese v5.16b,v17.16b
|
|
ld1 {v2.16b},[x0],#16
|
|
aesmc v4.16b,v4.16b
|
|
ld1 {v3.16b},[x0],#16
|
|
aesmc v5.16b,v5.16b
|
|
add w8,w8,#1
|
|
aese v4.16b,v18.16b
|
|
aese v5.16b,v18.16b
|
|
rev w9,w8
|
|
aesmc v4.16b,v4.16b
|
|
aesmc v5.16b,v5.16b
|
|
add w8,w8,#1
|
|
aese v4.16b,v19.16b
|
|
aese v5.16b,v19.16b
|
|
eor v2.16b,v2.16b,v7.16b
|
|
rev w10,w8
|
|
aesmc v4.16b,v4.16b
|
|
aesmc v5.16b,v5.16b
|
|
eor v3.16b,v3.16b,v7.16b
|
|
mov x7,x3
|
|
aese v4.16b,v20.16b
|
|
aese v5.16b,v20.16b
|
|
subs x2,x2,#2
|
|
aesmc v4.16b,v4.16b
|
|
aesmc v5.16b,v5.16b
|
|
ld1 {v16.4s-v17.4s},[x7],#32 // re-pre-load rndkey[0-1]
|
|
aese v4.16b,v21.16b
|
|
aese v5.16b,v21.16b
|
|
aesmc v4.16b,v4.16b
|
|
aesmc v5.16b,v5.16b
|
|
aese v4.16b,v22.16b
|
|
aese v5.16b,v22.16b
|
|
mov v0.s[3], w9
|
|
aesmc v4.16b,v4.16b
|
|
mov v1.s[3], w10
|
|
aesmc v5.16b,v5.16b
|
|
aese v4.16b,v23.16b
|
|
aese v5.16b,v23.16b
|
|
|
|
mov w6,w5
|
|
eor v2.16b,v2.16b,v4.16b
|
|
eor v3.16b,v3.16b,v5.16b
|
|
st1 {v2.16b},[x1],#16
|
|
st1 {v3.16b},[x1],#16
|
|
b.hs .Loop2x_ctr32
|
|
|
|
adds x2,x2,#2
|
|
b.eq .Lctr32_done
|
|
b .Lctr32_tail
|
|
|
|
.Lctr32_128:
|
|
ld1 {v4.4s-v5.4s},[x7]
|
|
|
|
.Loop2x_ctr32_128:
|
|
aese v0.16b,v16.16b
|
|
aese v1.16b,v16.16b
|
|
aesmc v0.16b,v0.16b
|
|
ld1 {v2.16b},[x0],#16
|
|
aesmc v1.16b,v1.16b
|
|
ld1 {v3.16b},[x0],#16
|
|
aese v0.16b,v17.16b
|
|
aese v1.16b,v17.16b
|
|
add w8,w8,#1
|
|
aesmc v0.16b,v0.16b
|
|
aesmc v1.16b,v1.16b
|
|
rev w9,w8
|
|
aese v0.16b,v4.16b
|
|
aese v1.16b,v4.16b
|
|
add w8,w8,#1
|
|
aesmc v0.16b,v0.16b
|
|
aesmc v1.16b,v1.16b
|
|
rev w10,w8
|
|
aese v0.16b,v5.16b
|
|
aese v1.16b,v5.16b
|
|
subs x2,x2,#2
|
|
aesmc v0.16b,v0.16b
|
|
aesmc v1.16b,v1.16b
|
|
aese v0.16b,v18.16b
|
|
aese v1.16b,v18.16b
|
|
aesmc v0.16b,v0.16b
|
|
aesmc v1.16b,v1.16b
|
|
aese v0.16b,v19.16b
|
|
aese v1.16b,v19.16b
|
|
aesmc v0.16b,v0.16b
|
|
aesmc v1.16b,v1.16b
|
|
aese v0.16b,v20.16b
|
|
aese v1.16b,v20.16b
|
|
aesmc v0.16b,v0.16b
|
|
aesmc v1.16b,v1.16b
|
|
aese v0.16b,v21.16b
|
|
aese v1.16b,v21.16b
|
|
aesmc v0.16b,v0.16b
|
|
aesmc v1.16b,v1.16b
|
|
aese v0.16b,v22.16b
|
|
aese v1.16b,v22.16b
|
|
aesmc v0.16b,v0.16b
|
|
aesmc v1.16b,v1.16b
|
|
eor v2.16b,v2.16b,v7.16b
|
|
aese v0.16b,v23.16b
|
|
eor v3.16b,v3.16b,v7.16b
|
|
aese v1.16b,v23.16b
|
|
|
|
eor v2.16b,v2.16b,v0.16b
|
|
orr v0.16b,v6.16b,v6.16b
|
|
eor v3.16b,v3.16b,v1.16b
|
|
orr v1.16b,v6.16b,v6.16b
|
|
st1 {v2.16b},[x1],#16
|
|
mov v0.s[3], w9
|
|
st1 {v3.16b},[x1],#16
|
|
mov v1.s[3], w10
|
|
b.hs .Loop2x_ctr32_128
|
|
|
|
adds x2,x2,#2
|
|
b.eq .Lctr32_done
|
|
|
|
.Lctr32_tail:
|
|
aese v0.16b,v16.16b
|
|
ld1 {v16.4s},[x7],#16
|
|
aesmc v0.16b,v0.16b
|
|
subs w6,w6,#2
|
|
aese v0.16b,v17.16b
|
|
ld1 {v17.4s},[x7],#16
|
|
aesmc v0.16b,v0.16b
|
|
b.gt .Lctr32_tail
|
|
|
|
aese v0.16b,v16.16b
|
|
aesmc v0.16b,v0.16b
|
|
aese v0.16b,v17.16b
|
|
aesmc v0.16b,v0.16b
|
|
ld1 {v2.16b},[x0]
|
|
aese v0.16b,v18.16b
|
|
aesmc v0.16b,v0.16b
|
|
aese v0.16b,v19.16b
|
|
aesmc v0.16b,v0.16b
|
|
aese v0.16b,v20.16b
|
|
aesmc v0.16b,v0.16b
|
|
aese v0.16b,v21.16b
|
|
aesmc v0.16b,v0.16b
|
|
aese v0.16b,v22.16b
|
|
aesmc v0.16b,v0.16b
|
|
eor v2.16b,v2.16b,v7.16b
|
|
aese v0.16b,v23.16b
|
|
|
|
eor v2.16b,v2.16b,v0.16b
|
|
st1 {v2.16b},[x1]
|
|
|
|
.Lctr32_done:
|
|
ldr x29,[sp],#16
|
|
ret
|
|
.size aes_v8_ctr32_encrypt_blocks,.-aes_v8_ctr32_encrypt_blocks
|
|
#endif
|