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Miller" , Maxime Coquelin , Alexandre Torgue Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH 3/6] crypto: rsa-pkcs1pad - Add FIPS 202 SHA-3 support Date: Sun, 22 Oct 2023 19:22:05 +0100 Message-Id: <20231022182208.188714-4-dimitri.ledkov@canonical.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231022182208.188714-1-dimitri.ledkov@canonical.com> References: <20231022182208.188714-1-dimitri.ledkov@canonical.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Add support in rsa-pkcs1pad for FIPS 202 SHA-3 hashes, sizes 256 and up. As 224 is too weak for any practical purposes. Signed-off-by: Dimitri John Ledkov --- crypto/rsa-pkcs1pad.c | 25 ++++++++++++++++++++++++- crypto/testmgr.c | 12 ++++++++++++ 2 files changed, 36 insertions(+), 1 deletion(-) diff --git a/crypto/rsa-pkcs1pad.c b/crypto/rsa-pkcs1pad.c index d2e5e104f8..e32e497d29 100644 --- a/crypto/rsa-pkcs1pad.c +++ b/crypto/rsa-pkcs1pad.c @@ -61,6 +61,24 @@ static const u8 rsa_digest_info_sha512[] = { 0x05, 0x00, 0x04, 0x40 }; +static const u8 rsa_digest_info_sha3_256[] = { + 0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x08, + 0x05, 0x00, 0x04, 0x20 +}; + +static const u8 rsa_digest_info_sha3_384[] = { + 0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x09, + 0x05, 0x00, 0x04, 0x30 +}; + +static const u8 rsa_digest_info_sha3_512[] = { + 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x0A, + 0x05, 0x00, 0x04, 0x40 +}; + static const struct rsa_asn1_template { const char *name; const u8 *data; @@ -74,8 +92,13 @@ static const struct rsa_asn1_template { _(sha384), _(sha512), _(sha224), - { NULL } #undef _ +#define _(X) { "sha3-" #X, rsa_digest_info_sha3_##X, sizeof(rsa_digest_info_sha3_##X) } + _(256), + _(384), + _(512), +#undef _ + { NULL } }; static const struct rsa_asn1_template *rsa_lookup_asn1(const char *name) diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 54135c7610..a074430223 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -5468,6 +5468,18 @@ static const struct alg_test_desc alg_test_descs[] = { .alg = "pkcs1pad(rsa,sha512)", .test = alg_test_null, .fips_allowed = 1, + }, { + .alg = "pkcs1pad(rsa,sha3-256)", + .test = alg_test_null, + .fips_allowed = 1, + }, { + .alg = "pkcs1pad(rsa,sha3-384)", + .test = alg_test_null, + .fips_allowed = 1, + }, { + .alg = "pkcs1pad(rsa,sha3-512)", + .test = alg_test_null, + .fips_allowed = 1, }, { .alg = "poly1305", .test = alg_test_hash,