diff options
author | Taehee Yoo <ap420073@gmail.com> | 2023-01-01 09:12:50 +0000 |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2023-01-06 17:15:47 +0800 |
commit | 35344cf30f2b080f75b4097eebcd7567e54bce22 (patch) | |
tree | 19105b49700509825512761828e9eae2998598b7 /arch/x86/crypto | |
parent | 8e7d7ce2e3947013a7b12452db42cb73021e13a0 (diff) |
crypto: x86/aria - do not use magic number offsets of aria_ctx
aria-avx assembly code accesses members of aria_ctx with magic number
offset. If the shape of struct aria_ctx is changed carelessly,
aria-avx will not work.
So, we need to ensure accessing members of aria_ctx with correct
offset values, not with magic numbers.
It adds ARIA_CTX_enc_key, ARIA_CTX_dec_key, and ARIA_CTX_rounds in the
asm-offsets.c So, correct offset definitions will be generated.
aria-avx assembly code can access members of aria_ctx safely with
these definitions.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/x86/crypto')
-rw-r--r-- | arch/x86/crypto/aria-aesni-avx-asm_64.S | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/arch/x86/crypto/aria-aesni-avx-asm_64.S b/arch/x86/crypto/aria-aesni-avx-asm_64.S index 03ae4cd1d976..be6adc6e7458 100644 --- a/arch/x86/crypto/aria-aesni-avx-asm_64.S +++ b/arch/x86/crypto/aria-aesni-avx-asm_64.S @@ -8,13 +8,9 @@ #include <linux/linkage.h> #include <linux/cfi_types.h> +#include <asm/asm-offsets.h> #include <asm/frame.h> -/* struct aria_ctx: */ -#define enc_key 0 -#define dec_key 272 -#define rounds 544 - /* register macros */ #define CTX %rdi @@ -874,7 +870,7 @@ SYM_FUNC_START_LOCAL(__aria_aesni_avx_crypt_16way) aria_fo(%xmm9, %xmm8, %xmm11, %xmm10, %xmm12, %xmm13, %xmm14, %xmm15, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %rax, %r9, 10); - cmpl $12, rounds(CTX); + cmpl $12, ARIA_CTX_rounds(CTX); jne .Laria_192; aria_ff(%xmm1, %xmm0, %xmm3, %xmm2, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, @@ -887,7 +883,7 @@ SYM_FUNC_START_LOCAL(__aria_aesni_avx_crypt_16way) aria_fo(%xmm9, %xmm8, %xmm11, %xmm10, %xmm12, %xmm13, %xmm14, %xmm15, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %rax, %r9, 12); - cmpl $14, rounds(CTX); + cmpl $14, ARIA_CTX_rounds(CTX); jne .Laria_256; aria_ff(%xmm1, %xmm0, %xmm3, %xmm2, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, @@ -923,7 +919,7 @@ SYM_TYPED_FUNC_START(aria_aesni_avx_encrypt_16way) FRAME_BEGIN - leaq enc_key(CTX), %r9; + leaq ARIA_CTX_enc_key(CTX), %r9; inpack16_pre(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, @@ -948,7 +944,7 @@ SYM_TYPED_FUNC_START(aria_aesni_avx_decrypt_16way) FRAME_BEGIN - leaq dec_key(CTX), %r9; + leaq ARIA_CTX_dec_key(CTX), %r9; inpack16_pre(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, @@ -1056,7 +1052,7 @@ SYM_TYPED_FUNC_START(aria_aesni_avx_ctr_crypt_16way) leaq (%rdx), %r11; leaq (%rcx), %rsi; leaq (%rcx), %rdx; - leaq enc_key(CTX), %r9; + leaq ARIA_CTX_enc_key(CTX), %r9; call __aria_aesni_avx_crypt_16way; @@ -1157,7 +1153,7 @@ SYM_FUNC_START_LOCAL(__aria_aesni_avx_gfni_crypt_16way) %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %rax, %r9, 10); - cmpl $12, rounds(CTX); + cmpl $12, ARIA_CTX_rounds(CTX); jne .Laria_gfni_192; aria_ff_gfni(%xmm1, %xmm0, %xmm3, %xmm2, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, @@ -1174,7 +1170,7 @@ SYM_FUNC_START_LOCAL(__aria_aesni_avx_gfni_crypt_16way) %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %rax, %r9, 12); - cmpl $14, rounds(CTX); + cmpl $14, ARIA_CTX_rounds(CTX); jne .Laria_gfni_256; aria_ff_gfni(%xmm1, %xmm0, %xmm3, %xmm2, %xmm4, %xmm5, %xmm6, %xmm7, @@ -1218,7 +1214,7 @@ SYM_TYPED_FUNC_START(aria_aesni_avx_gfni_encrypt_16way) FRAME_BEGIN - leaq enc_key(CTX), %r9; + leaq ARIA_CTX_enc_key(CTX), %r9; inpack16_pre(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, @@ -1243,7 +1239,7 @@ SYM_TYPED_FUNC_START(aria_aesni_avx_gfni_decrypt_16way) FRAME_BEGIN - leaq dec_key(CTX), %r9; + leaq ARIA_CTX_dec_key(CTX), %r9; inpack16_pre(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, @@ -1275,7 +1271,7 @@ SYM_TYPED_FUNC_START(aria_aesni_avx_gfni_ctr_crypt_16way) leaq (%rdx), %r11; leaq (%rcx), %rsi; leaq (%rcx), %rdx; - leaq enc_key(CTX), %r9; + leaq ARIA_CTX_enc_key(CTX), %r9; call __aria_aesni_avx_gfni_crypt_16way; |