Emulation/switch-linux
1
0
Fork 0
mirror of https://github.com/fail0verflow/switch-linux.git synced 2025-05-04 02:34:21 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

crypto: x86/salsa20 - assembler cleanup, use ENTRY/ENDPROC for assember functions and rename ECRYPT_* to salsa20_*

Browse source 
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jussi Kivilinna 2013-01-19 13:39:31 +02:00 • committed by Herbert Xu
parent b05d3f3756
commit 044438082c
3 changed files with 27 additions and 34 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
arch/x86/crypto/salsa20-i586-asm_32.S
View file

@ -2,11 +2,12 @@
# D. J. Bernstein # D. J. Bernstein
# Public domain. # Public domain.
# enter ECRYPT_encrypt_bytes #include <linux/linkage.h>
.text .text
.p2align 5
.globl ECRYPT_encrypt_bytes # enter salsa20_encrypt_bytes
ECRYPT_encrypt_bytes: ENTRY(salsa20_encrypt_bytes)
mov %esp,%eax mov %esp,%eax
and $31,%eax and $31,%eax
add $256,%eax add $256,%eax
@ -933,11 +934,10 @@ ECRYPT_encrypt_bytes:
add $64,%esi add $64,%esi
# goto bytesatleast1 # goto bytesatleast1
jmp ._bytesatleast1 jmp ._bytesatleast1
# enter ECRYPT_keysetup ENDPROC(salsa20_encrypt_bytes)
.text
.p2align 5 # enter salsa20_keysetup
.globl ECRYPT_keysetup ENTRY(salsa20_keysetup)
ECRYPT_keysetup:
mov %esp,%eax mov %esp,%eax
and $31,%eax and $31,%eax
add $256,%eax add $256,%eax
@ -1060,11 +1060,10 @@ ECRYPT_keysetup:
# leave # leave
add %eax,%esp add %eax,%esp
ret ret
# enter ECRYPT_ivsetup ENDPROC(salsa20_keysetup)
.text
.p2align 5 # enter salsa20_ivsetup
.globl ECRYPT_ivsetup ENTRY(salsa20_ivsetup)
ECRYPT_ivsetup:
mov %esp,%eax mov %esp,%eax
and $31,%eax and $31,%eax
add $256,%eax add $256,%eax
@ -1112,3 +1111,4 @@ ECRYPT_ivsetup:
# leave # leave
add %eax,%esp add %eax,%esp
ret ret
ENDPROC(salsa20_ivsetup)

28
arch/x86/crypto/salsa20-x86_64-asm_64.S
View file

@ -1,8 +1,7 @@
# enter ECRYPT_encrypt_bytes #include <linux/linkage.h>
.text
.p2align 5 # enter salsa20_encrypt_bytes
.globl ECRYPT_encrypt_bytes ENTRY(salsa20_encrypt_bytes)
ECRYPT_encrypt_bytes:
mov %rsp,%r11 mov %rsp,%r11
and $31,%r11 and $31,%r11
add $256,%r11 add $256,%r11
@ -802,11 +801,10 @@ ECRYPT_encrypt_bytes:
# comment:fp stack unchanged by jump # comment:fp stack unchanged by jump
# goto bytesatleast1 # goto bytesatleast1
jmp ._bytesatleast1 jmp ._bytesatleast1
# enter ECRYPT_keysetup ENDPROC(salsa20_encrypt_bytes)
.text
.p2align 5 # enter salsa20_keysetup
.globl ECRYPT_keysetup ENTRY(salsa20_keysetup)
ECRYPT_keysetup:
mov %rsp,%r11 mov %rsp,%r11
and $31,%r11 and $31,%r11
add $256,%r11 add $256,%r11
@ -892,11 +890,10 @@ ECRYPT_keysetup:
mov %rdi,%rax mov %rdi,%rax
mov %rsi,%rdx mov %rsi,%rdx
ret ret
# enter ECRYPT_ivsetup ENDPROC(salsa20_keysetup)
.text
.p2align 5 # enter salsa20_ivsetup
.globl ECRYPT_ivsetup ENTRY(salsa20_ivsetup)
ECRYPT_ivsetup:
mov %rsp,%r11 mov %rsp,%r11
and $31,%r11 and $31,%r11
add $256,%r11 add $256,%r11
@ -918,3 +915,4 @@ ECRYPT_ivsetup:
mov %rdi,%rax mov %rdi,%rax
mov %rsi,%rdx mov %rsi,%rdx
ret ret
ENDPROC(salsa20_ivsetup)

5
arch/x86/crypto/salsa20_glue.c
View file

@ -26,11 +26,6 @@
#define SALSA20_MIN_KEY_SIZE 16U #define SALSA20_MIN_KEY_SIZE 16U
#define SALSA20_MAX_KEY_SIZE 32U #define SALSA20_MAX_KEY_SIZE 32U
// use the ECRYPT_* function names
#define salsa20_keysetup ECRYPT_keysetup
#define salsa20_ivsetup ECRYPT_ivsetup
#define salsa20_encrypt_bytes ECRYPT_encrypt_bytes
struct salsa20_ctx struct salsa20_ctx
{ {
u32 input[16]; u32 input[16];