From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F5A0C4332F for ; Wed, 22 Dec 2021 06:59:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242860AbhLVG7Y (ORCPT ); Wed, 22 Dec 2021 01:59:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239235AbhLVG7X (ORCPT ); Wed, 22 Dec 2021 01:59:23 -0500 Received: from mail-yb1-xb2c.google.com (mail-yb1-xb2c.google.com [IPv6:2607:f8b0:4864:20::b2c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 896BFC06173F for ; Tue, 21 Dec 2021 22:59:23 -0800 (PST) Received: by mail-yb1-xb2c.google.com with SMTP id x32so3694251ybi.12 for ; Tue, 21 Dec 2021 22:59:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=benyossef-com.20210112.gappssmtp.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=PRyNRcdjB3KVBX69FUZANRLAMwSBZaeM9KNdYqEEq/s=; b=j8AqoSdetVvVlvcJwIdjgYg72stv34SShX/TqRDBEYMblq4OQkJXXs7ee2QUPt70nC V00DyElwmRnhK652Zvcfu8qr6wHv0ZeEcUyz7+UErHJCJU+wEG9utVwybz8Il9suMvIX G3i6DNgh0Z/JtXSVeP5O9SUox3beKkc256SsDZlC2iBS6tS1e7wufwLjmQmpQGIFewU7 6/p4vrV2IAVJ6FON0qRn4Ljz1A/4G+OF2Gu0L+aO8ZmkHwVYOqR+VZJugGMzLcW4sn11 pRkzHr2J1E5cTc4NkB0sgq8hzRorjkGDwbsJG2WzMJMaZwCNDmQLHGyd4OVwNvBXVGCJ cB5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=PRyNRcdjB3KVBX69FUZANRLAMwSBZaeM9KNdYqEEq/s=; b=J6hD00zlpRD3YjfxAw8E6d+J3zjcNmX8S9s7Apy6PVwsVkKAX9QnZzjUYcZOi1RE/4 aeiJJ66KiEj0Ko0XRqbZ0yZcli7o4OI6XpntBWaJdZBN6V+adFtCS1NPLLxvvbUff/Fp EoW5j9b3yi25tNbCll3XEjU8i0JFvfN83qNXZlYd4CTDOz+7/gh55wl85MuqqUgkJRt9 2WWHXoEuFDUdO3KGQUf1OjDx5gbkObAezjdoNjnVPo88QEWtyD7JL9g7hT4+TYJ2M/N9 Or/dWghJ7SG6jlloICelu5ftvq7GvhDLIRJ9HfIbNAaSW/cpiLVMkIewbiYWfJIgl8G6 lszg== X-Gm-Message-State: AOAM530DL4CRQteCzqvslHEUzivEs31mnbYLVKfbHpEyYo06IkHZTu9P 8nvcxwzvRBs5YUAb3csiIIVqef4B/7aFdzyuUlsFaA== X-Google-Smtp-Source: ABdhPJzVQytePBezIsAa+BFtIEIkTFRXvYlGcmYJuryHQ8kaOcid5iDPsHDhyWcnBaIrTwrRDTnNT0VxtXVIT1AcY/A= X-Received: by 2002:a25:a109:: with SMTP id z9mr2542419ybh.700.1640156362603; Tue, 21 Dec 2021 22:59:22 -0800 (PST) MIME-Version: 1.0 References: <20211222045022.27069-1-tianjia.zhang@linux.alibaba.com> <20211222045022.27069-2-tianjia.zhang@linux.alibaba.com> In-Reply-To: <20211222045022.27069-2-tianjia.zhang@linux.alibaba.com> From: Gilad Ben-Yossef Date: Wed, 22 Dec 2021 08:59:11 +0200 Message-ID: Subject: Re: [PATCH v2 1/6] crypto: sm3 - create SM3 stand-alone library To: Tianjia Zhang Cc: Herbert Xu , "David S. Miller" , Vitaly Chikunov , Eric Biggers , Eric Biggers , Ard Biesheuvel , Jussi Kivilinna , Catalin Marinas , Will Deacon , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Linux Crypto Mailing List , x86@kernel.org, Linux ARM , Linux kernel mailing list Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On Wed, Dec 22, 2021 at 6:50 AM Tianjia Zhang wrote: > > Stand-alone implementation of the SM3 algorithm. It is designed > to have as little dependencies as possible. In other cases you > should generally use the hash APIs from include/crypto/hash.h. > Especially when hashing large amounts of data as those APIs may > be hw-accelerated. In the new SM3 stand-alone library, > sm3_compress() has also been optimized, instead of simply using > the code in sm3_generic. > I have a really minor nitpick: the commit message talks about changes to sm3_compress() which was there in the original code but there is no such function in the current code which is in a different patch and file, so if you do another iteration for other reason, perhaps change the commit message to refer to sm3_transform() instead? it's not really important enough to warrant a new iteration on it's own... Otherwise, I'm not smart enough to evaluate the changes to sm3_transform() cryptographically but the overall approach of moving to a standalone library seems sane to me. So, for what it's worth - Reviewed-by: Gilad Ben-Yossef Gilad > Signed-off-by: Tianjia Zhang > --- > include/crypto/sm3.h | 31 ++++++ > lib/crypto/Kconfig | 3 + > lib/crypto/Makefile | 3 + > lib/crypto/sm3.c | 246 +++++++++++++++++++++++++++++++++++++++++++ > 4 files changed, 283 insertions(+) > create mode 100644 lib/crypto/sm3.c > > diff --git a/include/crypto/sm3.h b/include/crypto/sm3.h > index 42ea21289ba9..315adaf38007 100644 > --- a/include/crypto/sm3.h > +++ b/include/crypto/sm3.h > @@ -1,5 +1,9 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > /* > * Common values for SM3 algorithm > + * > + * Copyright (C) 2017 ARM Limited or its affiliates. > + * Copyright (C) 2021 Tianjia Zhang > */ > > #ifndef _CRYPTO_SM3_H > @@ -39,4 +43,31 @@ extern int crypto_sm3_final(struct shash_desc *desc, u= 8 *out); > > extern int crypto_sm3_finup(struct shash_desc *desc, const u8 *data, > unsigned int len, u8 *hash); > + > +/* > + * Stand-alone implementation of the SM3 algorithm. It is designed to > + * have as little dependencies as possible so it can be used in the > + * kexec_file purgatory. In other cases you should generally use the > + * hash APIs from include/crypto/hash.h. Especially when hashing large > + * amounts of data as those APIs may be hw-accelerated. > + * > + * For details see lib/crypto/sm3.c > + */ > + > +static inline void sm3_init(struct sm3_state *sctx) > +{ > + sctx->state[0] =3D SM3_IVA; > + sctx->state[1] =3D SM3_IVB; > + sctx->state[2] =3D SM3_IVC; > + sctx->state[3] =3D SM3_IVD; > + sctx->state[4] =3D SM3_IVE; > + sctx->state[5] =3D SM3_IVF; > + sctx->state[6] =3D SM3_IVG; > + sctx->state[7] =3D SM3_IVH; > + sctx->count =3D 0; > +} > + > +void sm3_update(struct sm3_state *sctx, const u8 *data, unsigned int len= ); > +void sm3_final(struct sm3_state *sctx, u8 *out); > + > #endif > diff --git a/lib/crypto/Kconfig b/lib/crypto/Kconfig > index 545ccbddf6a1..36963e8f4eaa 100644 > --- a/lib/crypto/Kconfig > +++ b/lib/crypto/Kconfig > @@ -129,5 +129,8 @@ config CRYPTO_LIB_CHACHA20POLY1305 > config CRYPTO_LIB_SHA256 > tristate > > +config CRYPTO_LIB_SM3 > + tristate > + > config CRYPTO_LIB_SM4 > tristate > diff --git a/lib/crypto/Makefile b/lib/crypto/Makefile > index 73205ed269ba..8149bc00b627 100644 > --- a/lib/crypto/Makefile > +++ b/lib/crypto/Makefile > @@ -38,6 +38,9 @@ libpoly1305-y +=3D poly= 1305.o > obj-$(CONFIG_CRYPTO_LIB_SHA256) +=3D libsha256.o > libsha256-y :=3D sha256.o > > +obj-$(CONFIG_CRYPTO_LIB_SM3) +=3D libsm3.o > +libsm3-y :=3D sm3.o > + > obj-$(CONFIG_CRYPTO_LIB_SM4) +=3D libsm4.o > libsm4-y :=3D sm4.o > > diff --git a/lib/crypto/sm3.c b/lib/crypto/sm3.c > new file mode 100644 > index 000000000000..d473e358a873 > --- /dev/null > +++ b/lib/crypto/sm3.c > @@ -0,0 +1,246 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > +/* > + * SM3 secure hash, as specified by OSCCA GM/T 0004-2012 SM3 and describ= ed > + * at https://datatracker.ietf.org/doc/html/draft-sca-cfrg-sm3-02 > + * > + * Copyright (C) 2017 ARM Limited or its affiliates. > + * Copyright (C) 2017 Gilad Ben-Yossef > + * Copyright (C) 2021 Tianjia Zhang > + */ > + > +#include > +#include > +#include > + > +static const u32 ____cacheline_aligned K[64] =3D { > + 0x79cc4519, 0xf3988a32, 0xe7311465, 0xce6228cb, > + 0x9cc45197, 0x3988a32f, 0x7311465e, 0xe6228cbc, > + 0xcc451979, 0x988a32f3, 0x311465e7, 0x6228cbce, > + 0xc451979c, 0x88a32f39, 0x11465e73, 0x228cbce6, > + 0x9d8a7a87, 0x3b14f50f, 0x7629ea1e, 0xec53d43c, > + 0xd8a7a879, 0xb14f50f3, 0x629ea1e7, 0xc53d43ce, > + 0x8a7a879d, 0x14f50f3b, 0x29ea1e76, 0x53d43cec, > + 0xa7a879d8, 0x4f50f3b1, 0x9ea1e762, 0x3d43cec5, > + 0x7a879d8a, 0xf50f3b14, 0xea1e7629, 0xd43cec53, > + 0xa879d8a7, 0x50f3b14f, 0xa1e7629e, 0x43cec53d, > + 0x879d8a7a, 0x0f3b14f5, 0x1e7629ea, 0x3cec53d4, > + 0x79d8a7a8, 0xf3b14f50, 0xe7629ea1, 0xcec53d43, > + 0x9d8a7a87, 0x3b14f50f, 0x7629ea1e, 0xec53d43c, > + 0xd8a7a879, 0xb14f50f3, 0x629ea1e7, 0xc53d43ce, > + 0x8a7a879d, 0x14f50f3b, 0x29ea1e76, 0x53d43cec, > + 0xa7a879d8, 0x4f50f3b1, 0x9ea1e762, 0x3d43cec5 > +}; > + > +/* > + * Transform the message X which consists of 16 32-bit-words. See > + * GM/T 004-2012 for details. > + */ > +#define R(i, a, b, c, d, e, f, g, h, t, w1, w2) \ > + do { \ > + ss1 =3D rol32((rol32((a), 12) + (e) + (t)), 7); \ > + ss2 =3D ss1 ^ rol32((a), 12); \ > + d +=3D FF ## i(a, b, c) + ss2 + ((w1) ^ (w2)); \ > + h +=3D GG ## i(e, f, g) + ss1 + (w1); \ > + b =3D rol32((b), 9); \ > + f =3D rol32((f), 19); \ > + h =3D P0((h)); \ > + } while (0) > + > +#define R1(a, b, c, d, e, f, g, h, t, w1, w2) \ > + R(1, a, b, c, d, e, f, g, h, t, w1, w2) > +#define R2(a, b, c, d, e, f, g, h, t, w1, w2) \ > + R(2, a, b, c, d, e, f, g, h, t, w1, w2) > + > +#define FF1(x, y, z) (x ^ y ^ z) > +#define FF2(x, y, z) ((x & y) | (x & z) | (y & z)) > + > +#define GG1(x, y, z) FF1(x, y, z) > +#define GG2(x, y, z) ((x & y) | (~x & z)) > + > +/* Message expansion */ > +#define P0(x) ((x) ^ rol32((x), 9) ^ rol32((x), 17)) > +#define P1(x) ((x) ^ rol32((x), 15) ^ rol32((x), 23)) > +#define I(i) (W[i] =3D get_unaligned_be32(data + i * 4)) > +#define W1(i) (W[i & 0x0f]) > +#define W2(i) (W[i & 0x0f] =3D \ > + P1(W[i & 0x0f] \ > + ^ W[(i-9) & 0x0f] \ > + ^ rol32(W[(i-3) & 0x0f], 15)) \ > + ^ rol32(W[(i-13) & 0x0f], 7) \ > + ^ W[(i-6) & 0x0f]) > + > +static void sm3_transform(struct sm3_state *sctx, u8 const *data, u32 W[= 16]) > +{ > + u32 a, b, c, d, e, f, g, h, ss1, ss2; > + > + a =3D sctx->state[0]; > + b =3D sctx->state[1]; > + c =3D sctx->state[2]; > + d =3D sctx->state[3]; > + e =3D sctx->state[4]; > + f =3D sctx->state[5]; > + g =3D sctx->state[6]; > + h =3D sctx->state[7]; > + > + R1(a, b, c, d, e, f, g, h, K[0], I(0), I(4)); > + R1(d, a, b, c, h, e, f, g, K[1], I(1), I(5)); > + R1(c, d, a, b, g, h, e, f, K[2], I(2), I(6)); > + R1(b, c, d, a, f, g, h, e, K[3], I(3), I(7)); > + R1(a, b, c, d, e, f, g, h, K[4], W1(4), I(8)); > + R1(d, a, b, c, h, e, f, g, K[5], W1(5), I(9)); > + R1(c, d, a, b, g, h, e, f, K[6], W1(6), I(10)); > + R1(b, c, d, a, f, g, h, e, K[7], W1(7), I(11)); > + R1(a, b, c, d, e, f, g, h, K[8], W1(8), I(12)); > + R1(d, a, b, c, h, e, f, g, K[9], W1(9), I(13)); > + R1(c, d, a, b, g, h, e, f, K[10], W1(10), I(14)); > + R1(b, c, d, a, f, g, h, e, K[11], W1(11), I(15)); > + R1(a, b, c, d, e, f, g, h, K[12], W1(12), W2(16)); > + R1(d, a, b, c, h, e, f, g, K[13], W1(13), W2(17)); > + R1(c, d, a, b, g, h, e, f, K[14], W1(14), W2(18)); > + R1(b, c, d, a, f, g, h, e, K[15], W1(15), W2(19)); > + > + R2(a, b, c, d, e, f, g, h, K[16], W1(16), W2(20)); > + R2(d, a, b, c, h, e, f, g, K[17], W1(17), W2(21)); > + R2(c, d, a, b, g, h, e, f, K[18], W1(18), W2(22)); > + R2(b, c, d, a, f, g, h, e, K[19], W1(19), W2(23)); > + R2(a, b, c, d, e, f, g, h, K[20], W1(20), W2(24)); > + R2(d, a, b, c, h, e, f, g, K[21], W1(21), W2(25)); > + R2(c, d, a, b, g, h, e, f, K[22], W1(22), W2(26)); > + R2(b, c, d, a, f, g, h, e, K[23], W1(23), W2(27)); > + R2(a, b, c, d, e, f, g, h, K[24], W1(24), W2(28)); > + R2(d, a, b, c, h, e, f, g, K[25], W1(25), W2(29)); > + R2(c, d, a, b, g, h, e, f, K[26], W1(26), W2(30)); > + R2(b, c, d, a, f, g, h, e, K[27], W1(27), W2(31)); > + R2(a, b, c, d, e, f, g, h, K[28], W1(28), W2(32)); > + R2(d, a, b, c, h, e, f, g, K[29], W1(29), W2(33)); > + R2(c, d, a, b, g, h, e, f, K[30], W1(30), W2(34)); > + R2(b, c, d, a, f, g, h, e, K[31], W1(31), W2(35)); > + > + R2(a, b, c, d, e, f, g, h, K[32], W1(32), W2(36)); > + R2(d, a, b, c, h, e, f, g, K[33], W1(33), W2(37)); > + R2(c, d, a, b, g, h, e, f, K[34], W1(34), W2(38)); > + R2(b, c, d, a, f, g, h, e, K[35], W1(35), W2(39)); > + R2(a, b, c, d, e, f, g, h, K[36], W1(36), W2(40)); > + R2(d, a, b, c, h, e, f, g, K[37], W1(37), W2(41)); > + R2(c, d, a, b, g, h, e, f, K[38], W1(38), W2(42)); > + R2(b, c, d, a, f, g, h, e, K[39], W1(39), W2(43)); > + R2(a, b, c, d, e, f, g, h, K[40], W1(40), W2(44)); > + R2(d, a, b, c, h, e, f, g, K[41], W1(41), W2(45)); > + R2(c, d, a, b, g, h, e, f, K[42], W1(42), W2(46)); > + R2(b, c, d, a, f, g, h, e, K[43], W1(43), W2(47)); > + R2(a, b, c, d, e, f, g, h, K[44], W1(44), W2(48)); > + R2(d, a, b, c, h, e, f, g, K[45], W1(45), W2(49)); > + R2(c, d, a, b, g, h, e, f, K[46], W1(46), W2(50)); > + R2(b, c, d, a, f, g, h, e, K[47], W1(47), W2(51)); > + > + R2(a, b, c, d, e, f, g, h, K[48], W1(48), W2(52)); > + R2(d, a, b, c, h, e, f, g, K[49], W1(49), W2(53)); > + R2(c, d, a, b, g, h, e, f, K[50], W1(50), W2(54)); > + R2(b, c, d, a, f, g, h, e, K[51], W1(51), W2(55)); > + R2(a, b, c, d, e, f, g, h, K[52], W1(52), W2(56)); > + R2(d, a, b, c, h, e, f, g, K[53], W1(53), W2(57)); > + R2(c, d, a, b, g, h, e, f, K[54], W1(54), W2(58)); > + R2(b, c, d, a, f, g, h, e, K[55], W1(55), W2(59)); > + R2(a, b, c, d, e, f, g, h, K[56], W1(56), W2(60)); > + R2(d, a, b, c, h, e, f, g, K[57], W1(57), W2(61)); > + R2(c, d, a, b, g, h, e, f, K[58], W1(58), W2(62)); > + R2(b, c, d, a, f, g, h, e, K[59], W1(59), W2(63)); > + R2(a, b, c, d, e, f, g, h, K[60], W1(60), W2(64)); > + R2(d, a, b, c, h, e, f, g, K[61], W1(61), W2(65)); > + R2(c, d, a, b, g, h, e, f, K[62], W1(62), W2(66)); > + R2(b, c, d, a, f, g, h, e, K[63], W1(63), W2(67)); > + > + sctx->state[0] ^=3D a; > + sctx->state[1] ^=3D b; > + sctx->state[2] ^=3D c; > + sctx->state[3] ^=3D d; > + sctx->state[4] ^=3D e; > + sctx->state[5] ^=3D f; > + sctx->state[6] ^=3D g; > + sctx->state[7] ^=3D h; > +} > +#undef R > +#undef R1 > +#undef R2 > +#undef I > +#undef W1 > +#undef W2 > + > +static inline void sm3_block(struct sm3_state *sctx, > + u8 const *data, int blocks, u32 W[16]) > +{ > + while (blocks--) { > + sm3_transform(sctx, data, W); > + data +=3D SM3_BLOCK_SIZE; > + } > +} > + > +void sm3_update(struct sm3_state *sctx, const u8 *data, unsigned int len= ) > +{ > + unsigned int partial =3D sctx->count % SM3_BLOCK_SIZE; > + u32 W[16]; > + > + sctx->count +=3D len; > + > + if ((partial + len) >=3D SM3_BLOCK_SIZE) { > + int blocks; > + > + if (partial) { > + int p =3D SM3_BLOCK_SIZE - partial; > + > + memcpy(sctx->buffer + partial, data, p); > + data +=3D p; > + len -=3D p; > + > + sm3_block(sctx, sctx->buffer, 1, W); > + } > + > + blocks =3D len / SM3_BLOCK_SIZE; > + len %=3D SM3_BLOCK_SIZE; > + > + if (blocks) { > + sm3_block(sctx, data, blocks, W); > + data +=3D blocks * SM3_BLOCK_SIZE; > + } > + > + memzero_explicit(W, sizeof(W)); > + > + partial =3D 0; > + } > + if (len) > + memcpy(sctx->buffer + partial, data, len); > +} > +EXPORT_SYMBOL_GPL(sm3_update); > + > +void sm3_final(struct sm3_state *sctx, u8 *out) > +{ > + const int bit_offset =3D SM3_BLOCK_SIZE - sizeof(u64); > + __be64 *bits =3D (__be64 *)(sctx->buffer + bit_offset); > + __be32 *digest =3D (__be32 *)out; > + unsigned int partial =3D sctx->count % SM3_BLOCK_SIZE; > + u32 W[16]; > + int i; > + > + sctx->buffer[partial++] =3D 0x80; > + if (partial > bit_offset) { > + memset(sctx->buffer + partial, 0, SM3_BLOCK_SIZE - partia= l); > + partial =3D 0; > + > + sm3_block(sctx, sctx->buffer, 1, W); > + } > + > + memset(sctx->buffer + partial, 0, bit_offset - partial); > + *bits =3D cpu_to_be64(sctx->count << 3); > + sm3_block(sctx, sctx->buffer, 1, W); > + > + for (i =3D 0; i < 8; i++) > + put_unaligned_be32(sctx->state[i], digest++); > + > + /* Zeroize sensitive information. */ > + memzero_explicit(W, sizeof(W)); > + memzero_explicit(sctx, sizeof(*sctx)); > +} > +EXPORT_SYMBOL_GPL(sm3_final); > + > +MODULE_DESCRIPTION("Generic SM3 library"); > +MODULE_LICENSE("GPL v2"); > -- > 2.32.0 > --=20 Gilad Ben-Yossef Chief Coffee Drinker values of =CE=B2 will give rise to dom! From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DB328C433F5 for ; Wed, 22 Dec 2021 07:01:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+vpUz+Ad62hXb/KCCsJKjhPCGFYNha8ELRmUwxPuyik=; b=ISjdD/n9jXYZaf 0Cc+kGlViPG6wgYB/FyRYxsCeQJWcBEejJqQviO63sRXAbapJ9ruYxc+JGJFtubS25Ha9wJqbMnvm PLzO8PQBJv3nU3GkGJCWwkJDdOVZRtBk1t8kBzAXnmAn0jf18NhiZsWig84/mYLp4XAqzdtZIZZLk UKqONvCFXu+DXAQCZRcg+4+zmIHfi3HnfafqNThfe1Hlf1XbrnxisiXiHBJpH3ru6rdm4KiCVk47Q /GmufwLW2Xfxlx0PWBhgI4DN/SsDIro3rTNjT/EogjySvQuSCyijY68d+wguLEs+ApiRg3HFpT0Ub HwAM8xoDnOJ7M76cbS/w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzvay-009OiV-NF; Wed, 22 Dec 2021 06:59:28 +0000 Received: from mail-yb1-xb2d.google.com ([2607:f8b0:4864:20::b2d]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzvau-009Ohi-Ep for linux-arm-kernel@lists.infradead.org; Wed, 22 Dec 2021 06:59:26 +0000 Received: by mail-yb1-xb2d.google.com with SMTP id v64so3783311ybi.5 for ; Tue, 21 Dec 2021 22:59:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=benyossef-com.20210112.gappssmtp.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=PRyNRcdjB3KVBX69FUZANRLAMwSBZaeM9KNdYqEEq/s=; b=j8AqoSdetVvVlvcJwIdjgYg72stv34SShX/TqRDBEYMblq4OQkJXXs7ee2QUPt70nC V00DyElwmRnhK652Zvcfu8qr6wHv0ZeEcUyz7+UErHJCJU+wEG9utVwybz8Il9suMvIX G3i6DNgh0Z/JtXSVeP5O9SUox3beKkc256SsDZlC2iBS6tS1e7wufwLjmQmpQGIFewU7 6/p4vrV2IAVJ6FON0qRn4Ljz1A/4G+OF2Gu0L+aO8ZmkHwVYOqR+VZJugGMzLcW4sn11 pRkzHr2J1E5cTc4NkB0sgq8hzRorjkGDwbsJG2WzMJMaZwCNDmQLHGyd4OVwNvBXVGCJ cB5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=PRyNRcdjB3KVBX69FUZANRLAMwSBZaeM9KNdYqEEq/s=; b=u++l7gi+zdborI5e0Lck2blnvSjaQN5AncR7n4hWiKJwRFYfaARkgrXpE2ktq3Y0vO Ar8Y5R2hQt6SgNeW/TPGZI5F2x/T3aHLTtAsI9Y6vyH1wGm2TEFWdhF7AI273kH94gd0 avAKqMtI7PYr5wNASV5sQBRst+Pzea02OvGAWm5IgO58U2Xft88MZ3xarhZCcTQ82HpW 7ldIX2GsBfZ536UrPTtEgCvcQt6TXT53TafCnbgb0Vq9ZTW0+FYKMTsvGdvyga8Z6E5l eomxq2bs51Z9qdUX180AdpcViWsDb9rdk6b/8uCz8wrBWE/vWzQ2XqPssUT4Qou3j9hA DNAQ== X-Gm-Message-State: AOAM530XbJ/I7EcLn7dagB1kFOkdXMiy6FSflc75Z8dBdcqaw4xzD16e eSbQ8Hgi4XrxGzfSwy6g2fP+3baOk2MdKeclsAz3Mw== X-Google-Smtp-Source: ABdhPJzVQytePBezIsAa+BFtIEIkTFRXvYlGcmYJuryHQ8kaOcid5iDPsHDhyWcnBaIrTwrRDTnNT0VxtXVIT1AcY/A= X-Received: by 2002:a25:a109:: with SMTP id z9mr2542419ybh.700.1640156362603; Tue, 21 Dec 2021 22:59:22 -0800 (PST) MIME-Version: 1.0 References: <20211222045022.27069-1-tianjia.zhang@linux.alibaba.com> <20211222045022.27069-2-tianjia.zhang@linux.alibaba.com> In-Reply-To: <20211222045022.27069-2-tianjia.zhang@linux.alibaba.com> From: Gilad Ben-Yossef Date: Wed, 22 Dec 2021 08:59:11 +0200 Message-ID: Subject: Re: [PATCH v2 1/6] crypto: sm3 - create SM3 stand-alone library To: Tianjia Zhang Cc: Herbert Xu , "David S. Miller" , Vitaly Chikunov , Eric Biggers , Eric Biggers , Ard Biesheuvel , Jussi Kivilinna , Catalin Marinas , Will Deacon , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Linux Crypto Mailing List , x86@kernel.org, Linux ARM , Linux kernel mailing list X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211221_225924_579946_3B00F015 X-CRM114-Status: GOOD ( 33.31 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gV2VkLCBEZWMgMjIsIDIwMjEgYXQgNjo1MCBBTSBUaWFuamlhIFpoYW5nCjx0aWFuamlhLnpo YW5nQGxpbnV4LmFsaWJhYmEuY29tPiB3cm90ZToKPgo+IFN0YW5kLWFsb25lIGltcGxlbWVudGF0 aW9uIG9mIHRoZSBTTTMgYWxnb3JpdGhtLiBJdCBpcyBkZXNpZ25lZAo+IHRvIGhhdmUgYXMgbGl0 dGxlIGRlcGVuZGVuY2llcyBhcyBwb3NzaWJsZS4gSW4gb3RoZXIgY2FzZXMgeW91Cj4gc2hvdWxk 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