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Message-Id: <20231022182208.188714-5-dimitri.ledkov@canonical.com>
Date: Sun, 22 Oct 2023 19:22:06 +0100
From: Dimitri John Ledkov <dimitri.ledkov@...onical.com>
To: herbert@...dor.apana.org.au, David Howells <dhowells@...hat.com>,
"David S. Miller" <davem@...emloft.net>
Cc: linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
keyrings@...r.kernel.org
Subject: [PATCH 4/6] crypto: x509 pkcs7 - allow FIPS 202 SHA-3 signatures
Add FIPS 202 SHA-3 hash signature support in x509 certificates, pkcs7
signatures, and authenticode signatures. Supports hashes of size 256
and up, as 224 is too weak for any practical purposes.
Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@...onical.com>
---
crypto/asymmetric_keys/mscode_parser.c | 9 +++++++++
crypto/asymmetric_keys/pkcs7_parser.c | 12 ++++++++++++
crypto/asymmetric_keys/public_key.c | 5 ++++-
crypto/asymmetric_keys/x509_cert_parser.c | 24 +++++++++++++++++++++++
4 files changed, 49 insertions(+), 1 deletion(-)
diff --git a/crypto/asymmetric_keys/mscode_parser.c b/crypto/asymmetric_keys/mscode_parser.c
index 855cbc46a9..05402ef896 100644
--- a/crypto/asymmetric_keys/mscode_parser.c
+++ b/crypto/asymmetric_keys/mscode_parser.c
@@ -84,6 +84,15 @@ int mscode_note_digest_algo(void *context, size_t hdrlen,
case OID_sha512:
ctx->digest_algo = "sha512";
break;
+ case OID_sha3_256:
+ ctx->digest_algo = "sha3-256";
+ break;
+ case OID_sha3_384:
+ ctx->digest_algo = "sha3-384";
+ break;
+ case OID_sha3_512:
+ ctx->digest_algo = "sha3-512";
+ break;
case OID__NR:
sprint_oid(value, vlen, buffer, sizeof(buffer));
diff --git a/crypto/asymmetric_keys/pkcs7_parser.c b/crypto/asymmetric_keys/pkcs7_parser.c
index ab647cb4d7..5b08c50722 100644
--- a/crypto/asymmetric_keys/pkcs7_parser.c
+++ b/crypto/asymmetric_keys/pkcs7_parser.c
@@ -248,6 +248,15 @@ int pkcs7_sig_note_digest_algo(void *context, size_t hdrlen,
case OID_gost2012Digest512:
ctx->sinfo->sig->hash_algo = "streebog512";
break;
+ case OID_sha3_256:
+ ctx->sinfo->sig->hash_algo = "sha3-256";
+ break;
+ case OID_sha3_384:
+ ctx->sinfo->sig->hash_algo = "sha3-384";
+ break;
+ case OID_sha3_512:
+ ctx->sinfo->sig->hash_algo = "sha3-512";
+ break;
default:
printk("Unsupported digest algo: %u\n", ctx->last_oid);
return -ENOPKG;
@@ -273,6 +282,9 @@ int pkcs7_sig_note_pkey_algo(void *context, size_t hdrlen,
case OID_id_ecdsa_with_sha256:
case OID_id_ecdsa_with_sha384:
case OID_id_ecdsa_with_sha512:
+ case OID_id_ecdsa_with_sha3_256:
+ case OID_id_ecdsa_with_sha3_384:
+ case OID_id_ecdsa_with_sha3_512:
ctx->sinfo->sig->pkey_algo = "ecdsa";
ctx->sinfo->sig->encoding = "x962";
break;
diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c
index 5bf0452c17..8eeab38a3d 100644
--- a/crypto/asymmetric_keys/public_key.c
+++ b/crypto/asymmetric_keys/public_key.c
@@ -119,7 +119,10 @@ software_key_determine_akcipher(const struct public_key *pkey,
if (strcmp(hash_algo, "sha224") != 0 &&
strcmp(hash_algo, "sha256") != 0 &&
strcmp(hash_algo, "sha384") != 0 &&
- strcmp(hash_algo, "sha512") != 0)
+ strcmp(hash_algo, "sha512") != 0 &&
+ strcmp(hash_algo, "sha3-256") != 0 &&
+ strcmp(hash_algo, "sha3-384") != 0 &&
+ strcmp(hash_algo, "sha3-512") != 0)
return -EINVAL;
} else if (strcmp(pkey->pkey_algo, "sm2") == 0) {
if (strcmp(encoding, "raw") != 0)
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index 68ef1ffbbe..487204d394 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -214,6 +214,18 @@ int x509_note_sig_algo(void *context, size_t hdrlen, unsigned char tag,
ctx->cert->sig->hash_algo = "sha224";
goto rsa_pkcs1;
+ case OID_id_rsassa_pkcs1_v1_5_with_sha3_256:
+ ctx->cert->sig->hash_algo = "sha3-256";
+ goto rsa_pkcs1;
+
+ case OID_id_rsassa_pkcs1_v1_5_with_sha3_384:
+ ctx->cert->sig->hash_algo = "sha3-384";
+ goto rsa_pkcs1;
+
+ case OID_id_rsassa_pkcs1_v1_5_with_sha3_512:
+ ctx->cert->sig->hash_algo = "sha3-512";
+ goto rsa_pkcs1;
+
case OID_id_ecdsa_with_sha224:
ctx->cert->sig->hash_algo = "sha224";
goto ecdsa;
@@ -230,6 +242,18 @@ int x509_note_sig_algo(void *context, size_t hdrlen, unsigned char tag,
ctx->cert->sig->hash_algo = "sha512";
goto ecdsa;
+ case OID_id_ecdsa_with_sha3_256:
+ ctx->cert->sig->hash_algo = "sha3-256";
+ goto ecdsa;
+
+ case OID_id_ecdsa_with_sha3_384:
+ ctx->cert->sig->hash_algo = "sha3-384";
+ goto ecdsa;
+
+ case OID_id_ecdsa_with_sha3_512:
+ ctx->cert->sig->hash_algo = "sha3-512";
+ goto ecdsa;
+
case OID_gost2012Signature256:
ctx->cert->sig->hash_algo = "streebog256";
goto ecrdsa;
--
2.34.1
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