diff options
| author | Ard Biesheuvel <ardb@kernel.org> | 2021-01-05 19:47:55 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2021-01-14 09:10:28 +0300 |
| commit | 2e9440ae6eab492572463d8cb266381264867723 (patch) | |
| tree | e0a8a0bf7105811ec7a189aeef2e6d6fdd67aacb /arch/x86/crypto/serpent-avx2-asm_64.S | |
| parent | a1f91ecf812ac333ee2897f3eb2d8f4f6b4ce942 (diff) | |
| download | linux-2e9440ae6eab492572463d8cb266381264867723.tar.xz | |
crypto: x86/serpent - drop CTR mode implementation
Serpent in CTR mode is never used by the kernel directly, and is highly
unlikely to be relied upon by dm-crypt or algif_skcipher. So let's drop
the accelerated CTR mode implementation, and instead, rely on the CTR
template and the bare cipher.
Acked-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/x86/crypto/serpent-avx2-asm_64.S')
| -rw-r--r-- | arch/x86/crypto/serpent-avx2-asm_64.S | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/arch/x86/crypto/serpent-avx2-asm_64.S b/arch/x86/crypto/serpent-avx2-asm_64.S index a510a949f02f..9161b6e441f3 100644 --- a/arch/x86/crypto/serpent-avx2-asm_64.S +++ b/arch/x86/crypto/serpent-avx2-asm_64.S @@ -724,28 +724,3 @@ SYM_FUNC_START(serpent_cbc_dec_16way) FRAME_END ret; SYM_FUNC_END(serpent_cbc_dec_16way) - -SYM_FUNC_START(serpent_ctr_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (16 blocks) - * %rdx: src (16 blocks) - * %rcx: iv (little endian, 128bit) - */ - FRAME_BEGIN - - vzeroupper; - - load_ctr_16way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2, - RD2, RK0, RK0x, RK1, RK1x, RK2, RK2x, RK3, RK3x, RNOT, - tp); - - call __serpent_enc_blk16; - - store_ctr_16way(%rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - vzeroupper; - - FRAME_END - ret; -SYM_FUNC_END(serpent_ctr_16way) |