diff options
Diffstat (limited to 'linux-arm/crypto/aes/aesv8-armx.S')
-rw-r--r-- | linux-arm/crypto/aes/aesv8-armx.S | 754 |
1 files changed, 754 insertions, 0 deletions
diff --git a/linux-arm/crypto/aes/aesv8-armx.S b/linux-arm/crypto/aes/aesv8-armx.S new file mode 100644 index 0000000..006300c --- /dev/null +++ b/linux-arm/crypto/aes/aesv8-armx.S @@ -0,0 +1,754 @@ +#include "arm_arch.h" + +#if __ARM_MAX_ARCH__>=7 +.text +.arch armv7-a +.fpu neon +.code 32 +.align 5 +.Lrcon: +.long 0x01,0x01,0x01,0x01 +.long 0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d @ rotate-n-splat +.long 0x1b,0x1b,0x1b,0x1b + +.globl aes_v8_set_encrypt_key +.type aes_v8_set_encrypt_key,%function +.align 5 +aes_v8_set_encrypt_key: +.Lenc_key: + mov r3,#-1 + cmp r0,#0 + beq .Lenc_key_abort + cmp r2,#0 + beq .Lenc_key_abort + mov r3,#-2 + cmp r1,#128 + blt .Lenc_key_abort + cmp r1,#256 + bgt .Lenc_key_abort + tst r1,#0x3f + bne .Lenc_key_abort + + adr r3,.Lrcon + cmp r1,#192 + + veor q0,q0,q0 + vld1.8 {q3},[r0]! + mov r1,#8 @ reuse r1 + vld1.32 {q1,q2},[r3]! + + blt .Loop128 + beq .L192 + b .L256 + +.align 4 +.Loop128: + vtbl.8 d20,{q3},d4 + vtbl.8 d21,{q3},d5 + vext.8 q9,q0,q3,#12 + vst1.32 {q3},[r2]! +.byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0 + subs r1,r1,#1 + + veor q3,q3,q9 + vext.8 q9,q0,q9,#12 + veor q3,q3,q9 + vext.8 q9,q0,q9,#12 + veor q10,q10,q1 + veor q3,q3,q9 + vshl.u8 q1,q1,#1 + veor q3,q3,q10 + bne .Loop128 + + vld1.32 {q1},[r3] + + vtbl.8 d20,{q3},d4 + vtbl.8 d21,{q3},d5 + vext.8 q9,q0,q3,#12 + vst1.32 {q3},[r2]! +.byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0 + + veor q3,q3,q9 + vext.8 q9,q0,q9,#12 + veor q3,q3,q9 + vext.8 q9,q0,q9,#12 + veor q10,q10,q1 + veor q3,q3,q9 + vshl.u8 q1,q1,#1 + veor q3,q3,q10 + + vtbl.8 d20,{q3},d4 + vtbl.8 d21,{q3},d5 + vext.8 q9,q0,q3,#12 + vst1.32 {q3},[r2]! +.byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0 + + veor q3,q3,q9 + vext.8 q9,q0,q9,#12 + veor q3,q3,q9 + vext.8 q9,q0,q9,#12 + veor q10,q10,q1 + veor q3,q3,q9 + veor q3,q3,q10 + vst1.32 {q3},[r2] + add r2,r2,#0x50 + + mov r12,#10 + b .Ldone + +.align 4 +.L192: + vld1.8 {d16},[r0]! + vmov.i8 q10,#8 @ borrow q10 + vst1.32 {q3},[r2]! + vsub.i8 q2,q2,q10 @ adjust the mask + +.Loop192: + vtbl.8 d20,{q8},d4 + vtbl.8 d21,{q8},d5 + vext.8 q9,q0,q3,#12 + vst1.32 {d16},[r2]! +.byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0 + subs r1,r1,#1 + + veor q3,q3,q9 + vext.8 q9,q0,q9,#12 + veor q3,q3,q9 + vext.8 q9,q0,q9,#12 + veor q3,q3,q9 + + vdup.32 q9,d7[1] + veor q9,q9,q8 + veor q10,q10,q1 + vext.8 q8,q0,q8,#12 + vshl.u8 q1,q1,#1 + veor q8,q8,q9 + veor q3,q3,q10 + veor q8,q8,q10 + vst1.32 {q3},[r2]! + bne .Loop192 + + mov r12,#12 + add r2,r2,#0x20 + b .Ldone + +.align 4 +.L256: + vld1.8 {q8},[r0] + mov r1,#7 + mov r12,#14 + vst1.32 {q3},[r2]! + +.Loop256: + vtbl.8 d20,{q8},d4 + vtbl.8 d21,{q8},d5 + vext.8 q9,q0,q3,#12 + vst1.32 {q8},[r2]! +.byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0 + subs r1,r1,#1 + + veor q3,q3,q9 + vext.8 q9,q0,q9,#12 + veor q3,q3,q9 + vext.8 q9,q0,q9,#12 + veor q10,q10,q1 + veor q3,q3,q9 + vshl.u8 q1,q1,#1 + veor q3,q3,q10 + vst1.32 {q3},[r2]! + beq .Ldone + + vdup.32 q10,d7[1] + vext.8 q9,q0,q8,#12 +.byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0 + + veor q8,q8,q9 + vext.8 q9,q0,q9,#12 + veor q8,q8,q9 + vext.8 q9,q0,q9,#12 + veor q8,q8,q9 + + veor q8,q8,q10 + b .Loop256 + +.Ldone: + str r12,[r2] + mov r3,#0 + +.Lenc_key_abort: + mov r0,r3 @ return value + + bx lr +.size aes_v8_set_encrypt_key,.-aes_v8_set_encrypt_key + +.globl aes_v8_set_decrypt_key +.type aes_v8_set_decrypt_key,%function +.align 5 +aes_v8_set_decrypt_key: + stmdb sp!,{r4,lr} + bl .Lenc_key + + cmp r0,#0 + bne .Ldec_key_abort + + sub r2,r2,#240 @ restore original r2 + mov r4,#-16 + add r0,r2,r12,lsl#4 @ end of key schedule + + vld1.32 {q0},[r2] + vld1.32 {q1},[r0] + vst1.32 {q0},[r0],r4 + vst1.32 {q1},[r2]! + +.Loop_imc: + vld1.32 {q0},[r2] + vld1.32 {q1},[r0] +.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 + vst1.32 {q0},[r0],r4 + vst1.32 {q1},[r2]! + cmp r0,r2 + bhi .Loop_imc + + vld1.32 {q0},[r2] +.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 + vst1.32 {q0},[r0] + + eor r0,r0,r0 @ return value +.Ldec_key_abort: + ldmia sp!,{r4,pc} +.size aes_v8_set_decrypt_key,.-aes_v8_set_decrypt_key +.globl aes_v8_encrypt +.type aes_v8_encrypt,%function +.align 5 +aes_v8_encrypt: + ldr r3,[r2,#240] + vld1.32 {q0},[r2]! + vld1.8 {q2},[r0] + sub r3,r3,#2 + vld1.32 {q1},[r2]! + +.Loop_enc: +.byte 0x00,0x43,0xb0,0xf3 @ aese q2,q0 +.byte 0x84,0x43,0xb0,0xf3 @ aesmc q2,q2 + vld1.32 {q0},[r2]! + subs r3,r3,#2 +.byte 0x02,0x43,0xb0,0xf3 @ aese q2,q1 +.byte 0x84,0x43,0xb0,0xf3 @ aesmc q2,q2 + vld1.32 {q1},[r2]! + bgt .Loop_enc + +.byte 0x00,0x43,0xb0,0xf3 @ aese q2,q0 +.byte 0x84,0x43,0xb0,0xf3 @ aesmc q2,q2 + vld1.32 {q0},[r2] +.byte 0x02,0x43,0xb0,0xf3 @ aese q2,q1 + veor q2,q2,q0 + + vst1.8 {q2},[r1] + bx lr +.size aes_v8_encrypt,.-aes_v8_encrypt +.globl aes_v8_decrypt +.type aes_v8_decrypt,%function +.align 5 +aes_v8_decrypt: + ldr r3,[r2,#240] + vld1.32 {q0},[r2]! + vld1.8 {q2},[r0] + sub r3,r3,#2 + vld1.32 {q1},[r2]! + +.Loop_dec: +.byte 0x40,0x43,0xb0,0xf3 @ aesd q2,q0 +.byte 0xc4,0x43,0xb0,0xf3 @ aesimc q2,q2 + vld1.32 {q0},[r2]! + subs r3,r3,#2 +.byte 0x42,0x43,0xb0,0xf3 @ aesd q2,q1 +.byte 0xc4,0x43,0xb0,0xf3 @ aesimc q2,q2 + vld1.32 {q1},[r2]! + bgt .Loop_dec + +.byte 0x40,0x43,0xb0,0xf3 @ aesd q2,q0 +.byte 0xc4,0x43,0xb0,0xf3 @ aesimc q2,q2 + vld1.32 {q0},[r2] +.byte 0x42,0x43,0xb0,0xf3 @ aesd q2,q1 + veor q2,q2,q0 + + vst1.8 {q2},[r1] + bx lr +.size aes_v8_decrypt,.-aes_v8_decrypt +.globl aes_v8_cbc_encrypt +.type aes_v8_cbc_encrypt,%function +.align 5 +aes_v8_cbc_encrypt: + mov ip,sp + stmdb sp!,{r4,r5,r6,r7,r8,lr} + vstmdb sp!,{d8,d9,d10,d11,d12,d13,d14,d15} @ ABI specification says so + ldmia ip,{r4,r5} @ load remaining args + subs r2,r2,#16 + mov r8,#16 + blo .Lcbc_abort + moveq r8,#0 + + cmp r5,#0 @ en- or decrypting? + ldr r5,[r3,#240] + and r2,r2,#-16 + vld1.8 {q6},[r4] + vld1.8 {q0},[r0],r8 + + vld1.32 {q8,q9},[r3] @ load key schedule... + sub r5,r5,#6 + add r7,r3,r5,lsl#4 @ pointer to last 7 round keys + sub r5,r5,#2 + vld1.32 {q10,q11},[r7]! + vld1.32 {q12,q13},[r7]! + vld1.32 {q14,q15},[r7]! + vld1.32 {q7},[r7] + + add r7,r3,#32 + mov r6,r5 + beq .Lcbc_dec + + cmp r5,#2 + veor q0,q0,q6 + veor q5,q8,q7 + beq .Lcbc_enc128 + + vld1.32 {q2,q3},[r7] + add r7,r3,#16 + add r6,r3,#16*4 + add r12,r3,#16*5 +.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + add r14,r3,#16*6 + add r3,r3,#16*7 + b .Lenter_cbc_enc + +.align 4 +.Loop_cbc_enc: +.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + vst1.8 {q6},[r1]! +.Lenter_cbc_enc: +.byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x04,0x03,0xb0,0xf3 @ aese q0,q2 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + vld1.32 {q8},[r6] + cmp r5,#4 +.byte 0x06,0x03,0xb0,0xf3 @ aese q0,q3 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + vld1.32 {q9},[r12] + beq .Lcbc_enc192 + +.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + vld1.32 {q8},[r14] +.byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + vld1.32 {q9},[r3] + nop + +.Lcbc_enc192: +.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + subs r2,r2,#16 +.byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + moveq r8,#0 +.byte 0x24,0x03,0xb0,0xf3 @ aese q0,q10 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x26,0x03,0xb0,0xf3 @ aese q0,q11 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + vld1.8 {q8},[r0],r8 +.byte 0x28,0x03,0xb0,0xf3 @ aese q0,q12 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + veor q8,q8,q5 +.byte 0x2a,0x03,0xb0,0xf3 @ aese q0,q13 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + vld1.32 {q9},[r7] @ re-pre-load rndkey[1] +.byte 0x2c,0x03,0xb0,0xf3 @ aese q0,q14 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x2e,0x03,0xb0,0xf3 @ aese q0,q15 + veor q6,q0,q7 + bhs .Loop_cbc_enc + + vst1.8 {q6},[r1]! + b .Lcbc_done + +.align 5 +.Lcbc_enc128: + vld1.32 {q2,q3},[r7] +.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + b .Lenter_cbc_enc128 +.Loop_cbc_enc128: +.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + vst1.8 {q6},[r1]! +.Lenter_cbc_enc128: +.byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + subs r2,r2,#16 +.byte 0x04,0x03,0xb0,0xf3 @ aese q0,q2 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + moveq r8,#0 +.byte 0x06,0x03,0xb0,0xf3 @ aese q0,q3 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x24,0x03,0xb0,0xf3 @ aese q0,q10 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x26,0x03,0xb0,0xf3 @ aese q0,q11 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + vld1.8 {q8},[r0],r8 +.byte 0x28,0x03,0xb0,0xf3 @ aese q0,q12 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x2a,0x03,0xb0,0xf3 @ aese q0,q13 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x2c,0x03,0xb0,0xf3 @ aese q0,q14 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 + veor q8,q8,q5 +.byte 0x2e,0x03,0xb0,0xf3 @ aese q0,q15 + veor q6,q0,q7 + bhs .Loop_cbc_enc128 + + vst1.8 {q6},[r1]! + b .Lcbc_done +.align 5 +.Lcbc_dec: + vld1.8 {q10},[r0]! + subs r2,r2,#32 @ bias + add r6,r5,#2 + vorr q3,q0,q0 + vorr q1,q0,q0 + vorr q11,q10,q10 + blo .Lcbc_dec_tail + + vorr q1,q10,q10 + vld1.8 {q10},[r0]! + vorr q2,q0,q0 + vorr q3,q1,q1 + vorr q11,q10,q10 + +.Loop3x_cbc_dec: +.byte 0x60,0x03,0xb0,0xf3 @ aesd q0,q8 +.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 +.byte 0x60,0x23,0xb0,0xf3 @ aesd q1,q8 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 +.byte 0x60,0x43,0xf0,0xf3 @ aesd q10,q8 +.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 + vld1.32 {q8},[r7]! + subs r6,r6,#2 +.byte 0x62,0x03,0xb0,0xf3 @ aesd q0,q9 +.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 +.byte 0x62,0x23,0xb0,0xf3 @ aesd q1,q9 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 +.byte 0x62,0x43,0xf0,0xf3 @ aesd q10,q9 +.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 + vld1.32 {q9},[r7]! + bgt .Loop3x_cbc_dec + +.byte 0x60,0x03,0xb0,0xf3 @ aesd q0,q8 +.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 +.byte 0x60,0x23,0xb0,0xf3 @ aesd q1,q8 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 +.byte 0x60,0x43,0xf0,0xf3 @ aesd q10,q8 +.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 + veor q4,q6,q7 + subs r2,r2,#0x30 + veor q5,q2,q7 + movlo r6,r2 @ r6, r6, is zero at this point +.byte 0x62,0x03,0xb0,0xf3 @ aesd q0,q9 +.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 +.byte 0x62,0x23,0xb0,0xf3 @ aesd q1,q9 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 +.byte 0x62,0x43,0xf0,0xf3 @ aesd q10,q9 +.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 + veor q9,q3,q7 + add r0,r0,r6 @ r0 is adjusted in such way that + @ at exit from the loop q1-q10 + @ are loaded with last "words" + vorr q6,q11,q11 + mov r7,r3 +.byte 0x68,0x03,0xb0,0xf3 @ aesd q0,q12 +.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 +.byte 0x68,0x23,0xb0,0xf3 @ aesd q1,q12 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 +.byte 0x68,0x43,0xf0,0xf3 @ aesd q10,q12 +.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 + vld1.8 {q2},[r0]! +.byte 0x6a,0x03,0xb0,0xf3 @ aesd q0,q13 +.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 +.byte 0x6a,0x23,0xb0,0xf3 @ aesd q1,q13 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 +.byte 0x6a,0x43,0xf0,0xf3 @ aesd q10,q13 +.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 + vld1.8 {q3},[r0]! +.byte 0x6c,0x03,0xb0,0xf3 @ aesd q0,q14 +.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 +.byte 0x6c,0x23,0xb0,0xf3 @ aesd q1,q14 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 +.byte 0x6c,0x43,0xf0,0xf3 @ aesd q10,q14 +.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 + vld1.8 {q11},[r0]! +.byte 0x6e,0x03,0xb0,0xf3 @ aesd q0,q15 +.byte 0x6e,0x23,0xb0,0xf3 @ aesd q1,q15 +.byte 0x6e,0x43,0xf0,0xf3 @ aesd q10,q15 + vld1.32 {q8},[r7]! @ re-pre-load rndkey[0] + add r6,r5,#2 + veor q4,q4,q0 + veor q5,q5,q1 + veor q10,q10,q9 + vld1.32 {q9},[r7]! @ re-pre-load rndkey[1] + vst1.8 {q4},[r1]! + vorr q0,q2,q2 + vst1.8 {q5},[r1]! + vorr q1,q3,q3 + vst1.8 {q10},[r1]! + vorr q10,q11,q11 + bhs .Loop3x_cbc_dec + + cmn r2,#0x30 + beq .Lcbc_done + nop + +.Lcbc_dec_tail: +.byte 0x60,0x23,0xb0,0xf3 @ aesd q1,q8 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 +.byte 0x60,0x43,0xf0,0xf3 @ aesd q10,q8 +.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 + vld1.32 {q8},[r7]! + subs r6,r6,#2 +.byte 0x62,0x23,0xb0,0xf3 @ aesd q1,q9 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 +.byte 0x62,0x43,0xf0,0xf3 @ aesd q10,q9 +.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 + vld1.32 {q9},[r7]! + bgt .Lcbc_dec_tail + +.byte 0x60,0x23,0xb0,0xf3 @ aesd q1,q8 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 +.byte 0x60,0x43,0xf0,0xf3 @ aesd q10,q8 +.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 +.byte 0x62,0x23,0xb0,0xf3 @ aesd q1,q9 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 +.byte 0x62,0x43,0xf0,0xf3 @ aesd q10,q9 +.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 +.byte 0x68,0x23,0xb0,0xf3 @ aesd q1,q12 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 +.byte 0x68,0x43,0xf0,0xf3 @ aesd q10,q12 +.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 + cmn r2,#0x20 +.byte 0x6a,0x23,0xb0,0xf3 @ aesd q1,q13 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 +.byte 0x6a,0x43,0xf0,0xf3 @ aesd q10,q13 +.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 + veor q5,q6,q7 +.byte 0x6c,0x23,0xb0,0xf3 @ aesd q1,q14 +.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 +.byte 0x6c,0x43,0xf0,0xf3 @ aesd q10,q14 +.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 + veor q9,q3,q7 +.byte 0x6e,0x23,0xb0,0xf3 @ aesd q1,q15 +.byte 0x6e,0x43,0xf0,0xf3 @ aesd q10,q15 + beq .Lcbc_dec_one + veor q5,q5,q1 + veor q9,q9,q10 + vorr q6,q11,q11 + vst1.8 {q5},[r1]! + vst1.8 {q9},[r1]! + b .Lcbc_done + +.Lcbc_dec_one: + veor q5,q5,q10 + vorr q6,q11,q11 + vst1.8 {q5},[r1]! + +.Lcbc_done: + vst1.8 {q6},[r4] +.Lcbc_abort: + vldmia sp!,{d8,d9,d10,d11,d12,d13,d14,d15} + ldmia sp!,{r4,r5,r6,r7,r8,pc} +.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: + mov ip,sp + stmdb sp!,{r4,r5,r6,r7,r8,r9,r10,lr} + vstmdb sp!,{d8,d9,d10,d11,d12,d13,d14,d15} @ ABI specification says so + ldr r4, [ip] @ load remaining arg + ldr r5,[r3,#240] + + ldr r8, [r4, #12] + vld1.32 {q0},[r4] + + vld1.32 {q8,q9},[r3] @ load key schedule... + sub r5,r5,#4 + mov r12,#16 + cmp r2,#2 + add r7,r3,r5,lsl#4 @ pointer to last 5 round keys + sub r5,r5,#2 + vld1.32 {q12,q13},[r7]! + vld1.32 {q14,q15},[r7]! + vld1.32 {q7},[r7] + add r7,r3,#32 + mov r6,r5 + movlo r12,#0 +#ifndef __ARMEB__ + rev r8, r8 +#endif + vorr q1,q0,q0 + add r10, r8, #1 + vorr q10,q0,q0 + add r8, r8, #2 + vorr q6,q0,q0 + rev r10, r10 + vmov.32 d3[1],r10 + bls .Lctr32_tail + rev r12, r8 + sub r2,r2,#3 @ bias + vmov.32 d21[1],r12 + b .Loop3x_ctr32 + +.align 4 +.Loop3x_ctr32: +.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x20,0x23,0xb0,0xf3 @ aese q1,q8 +.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 +.byte 0x20,0x43,0xf0,0xf3 @ aese q10,q8 +.byte 0xa4,0x43,0xf0,0xf3 @ aesmc q10,q10 + vld1.32 {q8},[r7]! + subs r6,r6,#2 +.byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x22,0x23,0xb0,0xf3 @ aese q1,q9 +.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 +.byte 0x22,0x43,0xf0,0xf3 @ aese q10,q9 +.byte 0xa4,0x43,0xf0,0xf3 @ aesmc q10,q10 + vld1.32 {q9},[r7]! + bgt .Loop3x_ctr32 + +.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 +.byte 0x80,0x83,0xb0,0xf3 @ aesmc q4,q0 +.byte 0x20,0x23,0xb0,0xf3 @ aese q1,q8 +.byte 0x82,0xa3,0xb0,0xf3 @ aesmc q5,q1 + vld1.8 {q2},[r0]! + vorr q0,q6,q6 +.byte 0x20,0x43,0xf0,0xf3 @ aese q10,q8 +.byte 0xa4,0x43,0xf0,0xf3 @ aesmc q10,q10 + vld1.8 {q3},[r0]! + vorr q1,q6,q6 +.byte 0x22,0x83,0xb0,0xf3 @ aese q4,q9 +.byte 0x88,0x83,0xb0,0xf3 @ aesmc q4,q4 +.byte 0x22,0xa3,0xb0,0xf3 @ aese q5,q9 +.byte 0x8a,0xa3,0xb0,0xf3 @ aesmc q5,q5 + vld1.8 {q11},[r0]! + mov r7,r3 +.byte 0x22,0x43,0xf0,0xf3 @ aese q10,q9 +.byte 0xa4,0x23,0xf0,0xf3 @ aesmc q9,q10 + vorr q10,q6,q6 + add r9,r8,#1 +.byte 0x28,0x83,0xb0,0xf3 @ aese q4,q12 +.byte 0x88,0x83,0xb0,0xf3 @ aesmc q4,q4 +.byte 0x28,0xa3,0xb0,0xf3 @ aese q5,q12 +.byte 0x8a,0xa3,0xb0,0xf3 @ aesmc q5,q5 + veor q2,q2,q7 + add r10,r8,#2 +.byte 0x28,0x23,0xf0,0xf3 @ aese q9,q12 +.byte 0xa2,0x23,0xf0,0xf3 @ aesmc q9,q9 + veor q3,q3,q7 + add r8,r8,#3 +.byte 0x2a,0x83,0xb0,0xf3 @ aese q4,q13 +.byte 0x88,0x83,0xb0,0xf3 @ aesmc q4,q4 +.byte 0x2a,0xa3,0xb0,0xf3 @ aese q5,q13 +.byte 0x8a,0xa3,0xb0,0xf3 @ aesmc q5,q5 + veor q11,q11,q7 + rev r9,r9 +.byte 0x2a,0x23,0xf0,0xf3 @ aese q9,q13 +.byte 0xa2,0x23,0xf0,0xf3 @ aesmc q9,q9 + vmov.32 d1[1], r9 + rev r10,r10 +.byte 0x2c,0x83,0xb0,0xf3 @ aese q4,q14 +.byte 0x88,0x83,0xb0,0xf3 @ aesmc q4,q4 +.byte 0x2c,0xa3,0xb0,0xf3 @ aese q5,q14 +.byte 0x8a,0xa3,0xb0,0xf3 @ aesmc q5,q5 + vmov.32 d3[1], r10 + rev r12,r8 +.byte 0x2c,0x23,0xf0,0xf3 @ aese q9,q14 +.byte 0xa2,0x23,0xf0,0xf3 @ aesmc q9,q9 + vmov.32 d21[1], r12 + subs r2,r2,#3 +.byte 0x2e,0x83,0xb0,0xf3 @ aese q4,q15 +.byte 0x2e,0xa3,0xb0,0xf3 @ aese q5,q15 +.byte 0x2e,0x23,0xf0,0xf3 @ aese q9,q15 + + veor q2,q2,q4 + vld1.32 {q8},[r7]! @ re-pre-load rndkey[0] + vst1.8 {q2},[r1]! + veor q3,q3,q5 + mov r6,r5 + vst1.8 {q3},[r1]! + veor q11,q11,q9 + vld1.32 {q9},[r7]! @ re-pre-load rndkey[1] + vst1.8 {q11},[r1]! + bhs .Loop3x_ctr32 + + adds r2,r2,#3 + beq .Lctr32_done + cmp r2,#1 + mov r12,#16 + moveq r12,#0 + +.Lctr32_tail: +.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x20,0x23,0xb0,0xf3 @ aese q1,q8 +.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 + vld1.32 {q8},[r7]! + subs r6,r6,#2 +.byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x22,0x23,0xb0,0xf3 @ aese q1,q9 +.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 + vld1.32 {q9},[r7]! + bgt .Lctr32_tail + +.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x20,0x23,0xb0,0xf3 @ aese q1,q8 +.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 +.byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x22,0x23,0xb0,0xf3 @ aese q1,q9 +.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 + vld1.8 {q2},[r0],r12 +.byte 0x28,0x03,0xb0,0xf3 @ aese q0,q12 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x28,0x23,0xb0,0xf3 @ aese q1,q12 +.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 + vld1.8 {q3},[r0] +.byte 0x2a,0x03,0xb0,0xf3 @ aese q0,q13 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x2a,0x23,0xb0,0xf3 @ aese q1,q13 +.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 + veor q2,q2,q7 +.byte 0x2c,0x03,0xb0,0xf3 @ aese q0,q14 +.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 +.byte 0x2c,0x23,0xb0,0xf3 @ aese q1,q14 +.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 + veor q3,q3,q7 +.byte 0x2e,0x03,0xb0,0xf3 @ aese q0,q15 +.byte 0x2e,0x23,0xb0,0xf3 @ aese q1,q15 + + cmp r2,#1 + veor q2,q2,q0 + veor q3,q3,q1 + vst1.8 {q2},[r1]! + beq .Lctr32_done + vst1.8 {q3},[r1] + +.Lctr32_done: + vldmia sp!,{d8,d9,d10,d11,d12,d13,d14,d15} + ldmia sp!,{r4,r5,r6,r7,r8,r9,r10,pc} +.size aes_v8_ctr32_encrypt_blocks,.-aes_v8_ctr32_encrypt_blocks +#endif |