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Tue, 20 Apr 2021 11:46:24 +0000 Received: from AM0PR04MB5650.eurprd04.prod.outlook.com ([fe80::756a:86b8:8283:733d]) by AM0PR04MB5650.eurprd04.prod.outlook.com ([fe80::756a:86b8:8283:733d%6]) with mapi id 15.20.4042.024; Tue, 20 Apr 2021 11:46:24 +0000 From: Varad Gautam To: linux-crypto@vger.kernel.org CC: varad.gautam@suse.com, dhowells@redhat.com, herbert@gondor.apana.org.au, davem@davemloft.net, vt@altlinux.org, tianjia.zhang@linux.alibaba.com, keyrings@vger.kernel.org, linux-kernel@vger.kernel.org, jarkko@kernel.org Subject: [PATCH v3 06/18] crypto: rsa: Start moving RSA common code to rsa-common Date: Tue, 20 Apr 2021 13:41:11 +0200 Message-ID: <20210420114124.9684-7-varad.gautam@suse.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210420114124.9684-1-varad.gautam@suse.com> References: <20210420114124.9684-1-varad.gautam@suse.com> Content-Transfer-Encoding: quoted-printable Content-Type: text/plain X-Originating-IP: [95.90.93.216] X-ClientProxiedBy: PR3P189CA0083.EURP189.PROD.OUTLOOK.COM (2603:10a6:102:b4::28) To AM0PR04MB5650.eurprd04.prod.outlook.com (2603:10a6:208:128::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from xps13.suse.de (95.90.93.216) by PR3P189CA0083.EURP189.PROD.OUTLOOK.COM (2603:10a6:102:b4::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4042.16 via Frontend Transport; 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Signed-off-by: Varad Gautam --- crypto/Makefile | 1 + crypto/rsa-common.c | 76 ++++++++++++++++++++++ crypto/rsa-pkcs1pad.c | 97 +--------------------------- include/crypto/internal/rsa-common.h | 37 +++++++++++ 4 files changed, 115 insertions(+), 96 deletions(-) create mode 100644 crypto/rsa-common.c create mode 100644 include/crypto/internal/rsa-common.h diff --git a/crypto/Makefile b/crypto/Makefile index cf23affb16780..57a85b2b3429b 100644 --- a/crypto/Makefile +++ b/crypto/Makefile @@ -39,6 +39,7 @@ rsa_generic-y :=3D rsapubkey.asn1.o rsa_generic-y +=3D rsaprivkey.asn1.o rsa_generic-y +=3D rsa.o rsa_generic-y +=3D rsa_helper.o +rsa_generic-y +=3D rsa-common.o rsa_generic-y +=3D rsa-pkcs1pad.o obj-$(CONFIG_CRYPTO_RSA) +=3D rsa_generic.o =20 diff --git a/crypto/rsa-common.c b/crypto/rsa-common.c new file mode 100644 index 0000000000000..60073c56e3748 --- /dev/null +++ b/crypto/rsa-common.c @@ -0,0 +1,76 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2015 Intel Corporation + * Copyright (C) 2021 SUSE + * + */ + +#include + +/* + * Hash algorithm OIDs plus ASN.1 DER wrappings [RFC4880 sec 5.2.2]. + */ +static const u8 rsa_digest_info_md5[] =3D { + 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, + 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x02, 0x05, /* OID */ + 0x05, 0x00, 0x04, 0x10 +}; + +static const u8 rsa_digest_info_sha1[] =3D { + 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, + 0x2b, 0x0e, 0x03, 0x02, 0x1a, + 0x05, 0x00, 0x04, 0x14 +}; + +static const u8 rsa_digest_info_rmd160[] =3D { + 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, + 0x2b, 0x24, 0x03, 0x02, 0x01, + 0x05, 0x00, 0x04, 0x14 +}; + +static const u8 rsa_digest_info_sha224[] =3D { + 0x30, 0x2d, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, + 0x05, 0x00, 0x04, 0x1c +}; + +static const u8 rsa_digest_info_sha256[] =3D { + 0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, + 0x05, 0x00, 0x04, 0x20 +}; + +static const u8 rsa_digest_info_sha384[] =3D { + 0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, + 0x05, 0x00, 0x04, 0x30 +}; + +static const u8 rsa_digest_info_sha512[] =3D { + 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, + 0x05, 0x00, 0x04, 0x40 +}; + +static const struct rsa_asn1_template rsa_asn1_templates[] =3D { +#define _(X) { #X, rsa_digest_info_##X, sizeof(rsa_digest_info_##X) } + _(md5), + _(sha1), + _(rmd160), + _(sha256), + _(sha384), + _(sha512), + _(sha224), + { NULL } +#undef _ +}; + +const struct rsa_asn1_template *rsa_lookup_asn1(const char *name) +{ + const struct rsa_asn1_template *p; + + for (p =3D rsa_asn1_templates; p->name; p++) + if (strcmp(name, p->name) =3D=3D 0) + return p; + return NULL; +} diff --git a/crypto/rsa-pkcs1pad.c b/crypto/rsa-pkcs1pad.c index e76fc98a537a4..ffb7220b3d10a 100644 --- a/crypto/rsa-pkcs1pad.c +++ b/crypto/rsa-pkcs1pad.c @@ -5,104 +5,9 @@ * Copyright (c) 2015 Intel Corporation */ =20 -#include -#include -#include -#include -#include -#include -#include +#include #include #include -#include - -/* - * Hash algorithm OIDs plus ASN.1 DER wrappings [RFC4880 sec 5.2.2]. - */ -static const u8 rsa_digest_info_md5[] =3D { - 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, - 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x02, 0x05, /* OID */ - 0x05, 0x00, 0x04, 0x10 -}; - -static const u8 rsa_digest_info_sha1[] =3D { - 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, - 0x2b, 0x0e, 0x03, 0x02, 0x1a, - 0x05, 0x00, 0x04, 0x14 -}; - -static const u8 rsa_digest_info_rmd160[] =3D { - 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, - 0x2b, 0x24, 0x03, 0x02, 0x01, - 0x05, 0x00, 0x04, 0x14 -}; - -static const u8 rsa_digest_info_sha224[] =3D { - 0x30, 0x2d, 0x30, 0x0d, 0x06, 0x09, - 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, - 0x05, 0x00, 0x04, 0x1c -}; - -static const u8 rsa_digest_info_sha256[] =3D { - 0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, - 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, - 0x05, 0x00, 0x04, 0x20 -}; - -static const u8 rsa_digest_info_sha384[] =3D { - 0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, - 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, - 0x05, 0x00, 0x04, 0x30 -}; - -static const u8 rsa_digest_info_sha512[] =3D { - 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, - 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, - 0x05, 0x00, 0x04, 0x40 -}; - -static const struct rsa_asn1_template { - const char *name; - const u8 *data; - size_t size; -} rsa_asn1_templates[] =3D { -#define _(X) { #X, rsa_digest_info_##X, sizeof(rsa_digest_info_##X) } - _(md5), - _(sha1), - _(rmd160), - _(sha256), - _(sha384), - _(sha512), - _(sha224), - { NULL } -#undef _ -}; - -static const struct rsa_asn1_template *rsa_lookup_asn1(const char *name) -{ - const struct rsa_asn1_template *p; - - for (p =3D rsa_asn1_templates; p->name; p++) - if (strcmp(name, p->name) =3D=3D 0) - return p; - return NULL; -} - -struct rsapad_tfm_ctx { - struct crypto_akcipher *child; - unsigned int key_size; -}; - -struct rsapad_inst_ctx { - struct crypto_akcipher_spawn spawn; - const struct rsa_asn1_template *digest_info; -}; - -struct rsapad_akciper_req_ctx { - struct scatterlist in_sg[2], out_sg[1]; - uint8_t *in_buf, *out_buf; - struct akcipher_request child_req; -}; =20 static int rsapad_set_pub_key(struct crypto_akcipher *tfm, const void *key= , unsigned int keylen) diff --git a/include/crypto/internal/rsa-common.h b/include/crypto/internal= /rsa-common.h new file mode 100644 index 0000000000000..ecdce0cdafaa3 --- /dev/null +++ b/include/crypto/internal/rsa-common.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (c) 2015 Intel Corporation + * Copyright (C) 2021 SUSE + * + */ +#ifndef _RSA_COMMON_ +#define _RSA_COMMON_ + +#include +#include +#include + +struct rsa_asn1_template { + const char *name; + const u8 *data; + size_t size; +}; +const struct rsa_asn1_template *rsa_lookup_asn1(const char *name); + +struct rsapad_tfm_ctx { + struct crypto_akcipher *child; + unsigned int key_size; +}; + +struct rsapad_inst_ctx { + struct crypto_akcipher_spawn spawn; + const struct rsa_asn1_template *digest_info; +}; + +struct rsapad_akciper_req_ctx { + struct scatterlist in_sg[2], out_sg[1]; + uint8_t *in_buf, *out_buf; + struct akcipher_request child_req; +}; + +#endif --=20 2.30.2