diff options
Diffstat (limited to 'arch/x86/crypto/morus640-sse2-asm.S')
| -rw-r--r-- | arch/x86/crypto/morus640-sse2-asm.S | 612 |
1 files changed, 0 insertions, 612 deletions
diff --git a/arch/x86/crypto/morus640-sse2-asm.S b/arch/x86/crypto/morus640-sse2-asm.S deleted file mode 100644 index a60891101bbd..000000000000 --- a/arch/x86/crypto/morus640-sse2-asm.S +++ /dev/null @@ -1,612 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * SSE2 implementation of MORUS-640 - * - * Copyright (c) 2017-2018 Ondrej Mosnacek <omosnacek@gmail.com> - * Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved. - */ - -#include <linux/linkage.h> -#include <asm/frame.h> - -#define SHUFFLE_MASK(i0, i1, i2, i3) \ - (i0 | (i1 << 2) | (i2 << 4) | (i3 << 6)) - -#define MASK1 SHUFFLE_MASK(3, 0, 1, 2) -#define MASK2 SHUFFLE_MASK(2, 3, 0, 1) -#define MASK3 SHUFFLE_MASK(1, 2, 3, 0) - -#define STATE0 %xmm0 -#define STATE1 %xmm1 -#define STATE2 %xmm2 -#define STATE3 %xmm3 -#define STATE4 %xmm4 -#define KEY %xmm5 -#define MSG %xmm5 -#define T0 %xmm6 -#define T1 %xmm7 - -.section .rodata.cst16.morus640_const, "aM", @progbits, 32 -.align 16 -.Lmorus640_const_0: - .byte 0x00, 0x01, 0x01, 0x02, 0x03, 0x05, 0x08, 0x0d - .byte 0x15, 0x22, 0x37, 0x59, 0x90, 0xe9, 0x79, 0x62 -.Lmorus640_const_1: - .byte 0xdb, 0x3d, 0x18, 0x55, 0x6d, 0xc2, 0x2f, 0xf1 - .byte 0x20, 0x11, 0x31, 0x42, 0x73, 0xb5, 0x28, 0xdd - -.section .rodata.cst16.morus640_counter, "aM", @progbits, 16 -.align 16 -.Lmorus640_counter: - .byte 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 - .byte 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f - -.text - -.macro morus640_round s0, s1, s2, s3, s4, b, w - movdqa \s1, T0 - pand \s2, T0 - pxor T0, \s0 - pxor \s3, \s0 - movdqa \s0, T0 - pslld $\b, T0 - psrld $(32 - \b), \s0 - pxor T0, \s0 - pshufd $\w, \s3, \s3 -.endm - -/* - * __morus640_update: internal ABI - * input: - * STATE[0-4] - input state - * MSG - message block - * output: - * STATE[0-4] - output state - * changed: - * T0 - */ -__morus640_update: - morus640_round STATE0, STATE1, STATE2, STATE3, STATE4, 5, MASK1 - pxor MSG, STATE1 - morus640_round STATE1, STATE2, STATE3, STATE4, STATE0, 31, MASK2 - pxor MSG, STATE2 - morus640_round STATE2, STATE3, STATE4, STATE0, STATE1, 7, MASK3 - pxor MSG, STATE3 - morus640_round STATE3, STATE4, STATE0, STATE1, STATE2, 22, MASK2 - pxor MSG, STATE4 - morus640_round STATE4, STATE0, STATE1, STATE2, STATE3, 13, MASK1 - ret -ENDPROC(__morus640_update) - - -/* - * __morus640_update_zero: internal ABI - * input: - * STATE[0-4] - input state - * output: - * STATE[0-4] - output state - * changed: - * T0 - */ -__morus640_update_zero: - morus640_round STATE0, STATE1, STATE2, STATE3, STATE4, 5, MASK1 - morus640_round STATE1, STATE2, STATE3, STATE4, STATE0, 31, MASK2 - morus640_round STATE2, STATE3, STATE4, STATE0, STATE1, 7, MASK3 - morus640_round STATE3, STATE4, STATE0, STATE1, STATE2, 22, MASK2 - morus640_round STATE4, STATE0, STATE1, STATE2, STATE3, 13, MASK1 - ret -ENDPROC(__morus640_update_zero) - -/* - * __load_partial: internal ABI - * input: - * %rsi - src - * %rcx - bytes - * output: - * MSG - message block - * changed: - * T0 - * %r8 - * %r9 - */ -__load_partial: - xor %r9d, %r9d - pxor MSG, MSG - - mov %rcx, %r8 - and $0x1, %r8 - jz .Lld_partial_1 - - mov %rcx, %r8 - and $0x1E, %r8 - add %rsi, %r8 - mov (%r8), %r9b - -.Lld_partial_1: - mov %rcx, %r8 - and $0x2, %r8 - jz .Lld_partial_2 - - mov %rcx, %r8 - and $0x1C, %r8 - add %rsi, %r8 - shl $16, %r9 - mov (%r8), %r9w - -.Lld_partial_2: - mov %rcx, %r8 - and $0x4, %r8 - jz .Lld_partial_4 - - mov %rcx, %r8 - and $0x18, %r8 - add %rsi, %r8 - shl $32, %r9 - mov (%r8), %r8d - xor %r8, %r9 - -.Lld_partial_4: - movq %r9, MSG - - mov %rcx, %r8 - and $0x8, %r8 - jz .Lld_partial_8 - - mov %rcx, %r8 - and $0x10, %r8 - add %rsi, %r8 - pslldq $8, MSG - movq (%r8), T0 - pxor T0, MSG - -.Lld_partial_8: - ret -ENDPROC(__load_partial) - -/* - * __store_partial: internal ABI - * input: - * %rdx - dst - * %rcx - bytes - * output: - * T0 - message block - * changed: - * %r8 - * %r9 - * %r10 - */ -__store_partial: - mov %rcx, %r8 - mov %rdx, %r9 - - movq T0, %r10 - - cmp $8, %r8 - jl .Lst_partial_8 - - mov %r10, (%r9) - psrldq $8, T0 - movq T0, %r10 - - sub $8, %r8 - add $8, %r9 - -.Lst_partial_8: - cmp $4, %r8 - jl .Lst_partial_4 - - mov %r10d, (%r9) - shr $32, %r10 - - sub $4, %r8 - add $4, %r9 - -.Lst_partial_4: - cmp $2, %r8 - jl .Lst_partial_2 - - mov %r10w, (%r9) - shr $16, %r10 - - sub $2, %r8 - add $2, %r9 - -.Lst_partial_2: - cmp $1, %r8 - jl .Lst_partial_1 - - mov %r10b, (%r9) - -.Lst_partial_1: - ret -ENDPROC(__store_partial) - -/* - * void crypto_morus640_sse2_init(void *state, const void *key, const void *iv); - */ -ENTRY(crypto_morus640_sse2_init) - FRAME_BEGIN - - /* load IV: */ - movdqu (%rdx), STATE0 - /* load key: */ - movdqu (%rsi), KEY - movdqa KEY, STATE1 - /* load all ones: */ - pcmpeqd STATE2, STATE2 - /* load the constants: */ - movdqa .Lmorus640_const_0, STATE3 - movdqa .Lmorus640_const_1, STATE4 - - /* update 16 times with zero: */ - call __morus640_update_zero - call __morus640_update_zero - call __morus640_update_zero - call __morus640_update_zero - call __morus640_update_zero - call __morus640_update_zero - call __morus640_update_zero - call __morus640_update_zero - call __morus640_update_zero - call __morus640_update_zero - call __morus640_update_zero - call __morus640_update_zero - call __morus640_update_zero - call __morus640_update_zero - call __morus640_update_zero - call __morus640_update_zero - - /* xor-in the key again after updates: */ - pxor KEY, STATE1 - - /* store the state: */ - movdqu STATE0, (0 * 16)(%rdi) - movdqu STATE1, (1 * 16)(%rdi) - movdqu STATE2, (2 * 16)(%rdi) - movdqu STATE3, (3 * 16)(%rdi) - movdqu STATE4, (4 * 16)(%rdi) - - FRAME_END - ret -ENDPROC(crypto_morus640_sse2_init) - -/* - * void crypto_morus640_sse2_ad(void *state, const void *data, - * unsigned int length); - */ -ENTRY(crypto_morus640_sse2_ad) - FRAME_BEGIN - - cmp $16, %rdx - jb .Lad_out - - /* load the state: */ - movdqu (0 * 16)(%rdi), STATE0 - movdqu (1 * 16)(%rdi), STATE1 - movdqu (2 * 16)(%rdi), STATE2 - movdqu (3 * 16)(%rdi), STATE3 - movdqu (4 * 16)(%rdi), STATE4 - - mov %rsi, %r8 - and $0xF, %r8 - jnz .Lad_u_loop - -.align 4 -.Lad_a_loop: - movdqa (%rsi), MSG - call __morus640_update - sub $16, %rdx - add $16, %rsi - cmp $16, %rdx - jge .Lad_a_loop - - jmp .Lad_cont -.align 4 -.Lad_u_loop: - movdqu (%rsi), MSG - call __morus640_update - sub $16, %rdx - add $16, %rsi - cmp $16, %rdx - jge .Lad_u_loop - -.Lad_cont: - /* store the state: */ - movdqu STATE0, (0 * 16)(%rdi) - movdqu STATE1, (1 * 16)(%rdi) - movdqu STATE2, (2 * 16)(%rdi) - movdqu STATE3, (3 * 16)(%rdi) - movdqu STATE4, (4 * 16)(%rdi) - -.Lad_out: - FRAME_END - ret -ENDPROC(crypto_morus640_sse2_ad) - -/* - * void crypto_morus640_sse2_enc(void *state, const void *src, void *dst, - * unsigned int length); - */ -ENTRY(crypto_morus640_sse2_enc) - FRAME_BEGIN - - cmp $16, %rcx - jb .Lenc_out - - /* load the state: */ - movdqu (0 * 16)(%rdi), STATE0 - movdqu (1 * 16)(%rdi), STATE1 - movdqu (2 * 16)(%rdi), STATE2 - movdqu (3 * 16)(%rdi), STATE3 - movdqu (4 * 16)(%rdi), STATE4 - - mov %rsi, %r8 - or %rdx, %r8 - and $0xF, %r8 - jnz .Lenc_u_loop - -.align 4 -.Lenc_a_loop: - movdqa (%rsi), MSG - movdqa MSG, T0 - pxor STATE0, T0 - pshufd $MASK3, STATE1, T1 - pxor T1, T0 - movdqa STATE2, T1 - pand STATE3, T1 - pxor T1, T0 - movdqa T0, (%rdx) - - call __morus640_update - sub $16, %rcx - add $16, %rsi - add $16, %rdx - cmp $16, %rcx - jge .Lenc_a_loop - - jmp .Lenc_cont -.align 4 -.Lenc_u_loop: - movdqu (%rsi), MSG - movdqa MSG, T0 - pxor STATE0, T0 - pshufd $MASK3, STATE1, T1 - pxor T1, T0 - movdqa STATE2, T1 - pand STATE3, T1 - pxor T1, T0 - movdqu T0, (%rdx) - - call __morus640_update - sub $16, %rcx - add $16, %rsi - add $16, %rdx - cmp $16, %rcx - jge .Lenc_u_loop - -.Lenc_cont: - /* store the state: */ - movdqu STATE0, (0 * 16)(%rdi) - movdqu STATE1, (1 * 16)(%rdi) - movdqu STATE2, (2 * 16)(%rdi) - movdqu STATE3, (3 * 16)(%rdi) - movdqu STATE4, (4 * 16)(%rdi) - -.Lenc_out: - FRAME_END - ret -ENDPROC(crypto_morus640_sse2_enc) - -/* - * void crypto_morus640_sse2_enc_tail(void *state, const void *src, void *dst, - * unsigned int length); - */ -ENTRY(crypto_morus640_sse2_enc_tail) - FRAME_BEGIN - - /* load the state: */ - movdqu (0 * 16)(%rdi), STATE0 - movdqu (1 * 16)(%rdi), STATE1 - movdqu (2 * 16)(%rdi), STATE2 - movdqu (3 * 16)(%rdi), STATE3 - movdqu (4 * 16)(%rdi), STATE4 - - /* encrypt message: */ - call __load_partial - - movdqa MSG, T0 - pxor STATE0, T0 - pshufd $MASK3, STATE1, T1 - pxor T1, T0 - movdqa STATE2, T1 - pand STATE3, T1 - pxor T1, T0 - - call __store_partial - - call __morus640_update - - /* store the state: */ - movdqu STATE0, (0 * 16)(%rdi) - movdqu STATE1, (1 * 16)(%rdi) - movdqu STATE2, (2 * 16)(%rdi) - movdqu STATE3, (3 * 16)(%rdi) - movdqu STATE4, (4 * 16)(%rdi) - - FRAME_END - ret -ENDPROC(crypto_morus640_sse2_enc_tail) - -/* - * void crypto_morus640_sse2_dec(void *state, const void *src, void *dst, - * unsigned int length); - */ -ENTRY(crypto_morus640_sse2_dec) - FRAME_BEGIN - - cmp $16, %rcx - jb .Ldec_out - - /* load the state: */ - movdqu (0 * 16)(%rdi), STATE0 - movdqu (1 * 16)(%rdi), STATE1 - movdqu (2 * 16)(%rdi), STATE2 - movdqu (3 * 16)(%rdi), STATE3 - movdqu (4 * 16)(%rdi), STATE4 - - mov %rsi, %r8 - or %rdx, %r8 - and $0xF, %r8 - jnz .Ldec_u_loop - -.align 4 -.Ldec_a_loop: - movdqa (%rsi), MSG - pxor STATE0, MSG - pshufd $MASK3, STATE1, T0 - pxor T0, MSG - movdqa STATE2, T0 - pand STATE3, T0 - pxor T0, MSG - movdqa MSG, (%rdx) - - call __morus640_update - sub $16, %rcx - add $16, %rsi - add $16, %rdx - cmp $16, %rcx - jge .Ldec_a_loop - - jmp .Ldec_cont -.align 4 -.Ldec_u_loop: - movdqu (%rsi), MSG - pxor STATE0, MSG - pshufd $MASK3, STATE1, T0 - pxor T0, MSG - movdqa STATE2, T0 - pand STATE3, T0 - pxor T0, MSG - movdqu MSG, (%rdx) - - call __morus640_update - sub $16, %rcx - add $16, %rsi - add $16, %rdx - cmp $16, %rcx - jge .Ldec_u_loop - -.Ldec_cont: - /* store the state: */ - movdqu STATE0, (0 * 16)(%rdi) - movdqu STATE1, (1 * 16)(%rdi) - movdqu STATE2, (2 * 16)(%rdi) - movdqu STATE3, (3 * 16)(%rdi) - movdqu STATE4, (4 * 16)(%rdi) - -.Ldec_out: - FRAME_END - ret -ENDPROC(crypto_morus640_sse2_dec) - -/* - * void crypto_morus640_sse2_dec_tail(void *state, const void *src, void *dst, - * unsigned int length); - */ -ENTRY(crypto_morus640_sse2_dec_tail) - FRAME_BEGIN - - /* load the state: */ - movdqu (0 * 16)(%rdi), STATE0 - movdqu (1 * 16)(%rdi), STATE1 - movdqu (2 * 16)(%rdi), STATE2 - movdqu (3 * 16)(%rdi), STATE3 - movdqu (4 * 16)(%rdi), STATE4 - - /* decrypt message: */ - call __load_partial - - pxor STATE0, MSG - pshufd $MASK3, STATE1, T0 - pxor T0, MSG - movdqa STATE2, T0 - pand STATE3, T0 - pxor T0, MSG - movdqa MSG, T0 - - call __store_partial - - /* mask with byte count: */ - movq %rcx, T0 - punpcklbw T0, T0 - punpcklbw T0, T0 - punpcklbw T0, T0 - punpcklbw T0, T0 - movdqa .Lmorus640_counter, T1 - pcmpgtb T1, T0 - pand T0, MSG - - call __morus640_update - - /* store the state: */ - movdqu STATE0, (0 * 16)(%rdi) - movdqu STATE1, (1 * 16)(%rdi) - movdqu STATE2, (2 * 16)(%rdi) - movdqu STATE3, (3 * 16)(%rdi) - movdqu STATE4, (4 * 16)(%rdi) - - FRAME_END - ret -ENDPROC(crypto_morus640_sse2_dec_tail) - -/* - * void crypto_morus640_sse2_final(void *state, void *tag_xor, - * u64 assoclen, u64 cryptlen); - */ -ENTRY(crypto_morus640_sse2_final) - FRAME_BEGIN - - /* load the state: */ - movdqu (0 * 16)(%rdi), STATE0 - movdqu (1 * 16)(%rdi), STATE1 - movdqu (2 * 16)(%rdi), STATE2 - movdqu (3 * 16)(%rdi), STATE3 - movdqu (4 * 16)(%rdi), STATE4 - - /* xor state[0] into state[4]: */ - pxor STATE0, STATE4 - - /* prepare length block: */ - movq %rdx, MSG - movq %rcx, T0 - pslldq $8, T0 - pxor T0, MSG - psllq $3, MSG /* multiply by 8 (to get bit count) */ - - /* update state: */ - call __morus640_update - call __morus640_update - call __morus640_update - call __morus640_update - call __morus640_update - call __morus640_update - call __morus640_update - call __morus640_update - call __morus640_update - call __morus640_update - - /* xor tag: */ - movdqu (%rsi), MSG - - pxor STATE0, MSG - pshufd $MASK3, STATE1, T0 - pxor T0, MSG - movdqa STATE2, T0 - pand STATE3, T0 - pxor T0, MSG - - movdqu MSG, (%rsi) - - FRAME_END - ret -ENDPROC(crypto_morus640_sse2_final) |