| #include <openssl/arm_arch.h> |
| |
| #if __ARM_MAX_ARCH__>=7 |
| .text |
| |
| |
| .code 32 |
| #undef __thumb2__ |
| .align 5 |
| Lrcon: |
| .long 0x01,0x01,0x01,0x01 |
| .long 0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d @ rotate-n-splat |
| .long 0x1b,0x1b,0x1b,0x1b |
| |
| .globl _aes_hw_set_encrypt_key |
| .private_extern _aes_hw_set_encrypt_key |
| #ifdef __thumb2__ |
| .thumb_func _aes_hw_set_encrypt_key |
| #endif |
| .align 5 |
| _aes_hw_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 |
| |
| |
| .globl _aes_hw_set_decrypt_key |
| .private_extern _aes_hw_set_decrypt_key |
| #ifdef __thumb2__ |
| .thumb_func _aes_hw_set_decrypt_key |
| #endif |
| .align 5 |
| _aes_hw_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} |
| |
| .globl _aes_hw_encrypt |
| .private_extern _aes_hw_encrypt |
| #ifdef __thumb2__ |
| .thumb_func _aes_hw_encrypt |
| #endif |
| .align 5 |
| _aes_hw_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 |
| |
| .globl _aes_hw_decrypt |
| .private_extern _aes_hw_decrypt |
| #ifdef __thumb2__ |
| .thumb_func _aes_hw_decrypt |
| #endif |
| .align 5 |
| _aes_hw_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 |
| |
| .globl _aes_hw_cbc_encrypt |
| .private_extern _aes_hw_cbc_encrypt |
| #ifdef __thumb2__ |
| .thumb_func _aes_hw_cbc_encrypt |
| #endif |
| .align 5 |
| _aes_hw_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} |
| |
| .globl _aes_hw_ctr32_encrypt_blocks |
| .private_extern _aes_hw_ctr32_encrypt_blocks |
| #ifdef __thumb2__ |
| .thumb_func _aes_hw_ctr32_encrypt_blocks |
| #endif |
| .align 5 |
| _aes_hw_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} |
| |
| #endif |
