[crypto] Add OID-identified algorithms for ECDSA with SHA2 hash family

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/config/config_crypto.c

@@ -215,3 +215,23 @@ REQUIRE_OBJECT ( ecdhe_rsa_aes_gcm_sha256 );
     defined ( CRYPTO_CIPHER_AES_GCM ) && defined ( CRYPTO_DIGEST_SHA384 )
 REQUIRE_OBJECT ( ecdhe_rsa_aes_gcm_sha384 );
 #endif
+
+/* ECDSA and SHA-224 */
+#if defined ( CRYPTO_PUBKEY_ECDSA ) && defined ( CRYPTO_DIGEST_SHA224 )
+REQUIRE_OBJECT ( ecdsa_sha224 );
+#endif
+
+/* ECDSA and SHA-256 */
+#if defined ( CRYPTO_PUBKEY_ECDSA ) && defined ( CRYPTO_DIGEST_SHA256 )
+REQUIRE_OBJECT ( ecdsa_sha256 );
+#endif
+
+/* ECDSA and SHA-384 */
+#if defined ( CRYPTO_PUBKEY_ECDSA ) && defined ( CRYPTO_DIGEST_SHA384 )
+REQUIRE_OBJECT ( ecdsa_sha384 );
+#endif
+
+/* ECDSA and SHA-512 */
+#if defined ( CRYPTO_PUBKEY_ECDSA ) && defined ( CRYPTO_DIGEST_SHA512 )
+REQUIRE_OBJECT ( ecdsa_sha512 );
+#endif

src/config/crypto.h

@@ -24,6 +24,9 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 /** RSA public-key algorithm */
 #define CRYPTO_PUBKEY_RSA
 
+/** ECDSA public-key algorithm */
+#define CRYPTO_PUBKEY_ECDSA
+
 /** AES-CBC block cipher */
 #define CRYPTO_CIPHER_AES_CBC
 

src/crypto/mishmash/ecdsa_sha224.c

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2025 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ * You can also choose to distribute this program under the terms of
+ * the Unmodified Binary Distribution Licence (as given in the file
+ * COPYING.UBDL), provided that you have satisfied its requirements.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <ipxe/ecdsa.h>
+#include <ipxe/sha256.h>
+#include <ipxe/asn1.h>
+#include <ipxe/tls.h>
+
+/** "ecdsa-with-SHA224" object identifier */
+static uint8_t oid_ecdsa_with_sha224[] = { ASN1_OID_ECDSA_WITH_SHA224 };
+
+/** "ecdsa-with-SHA224" OID-identified algorithm */
+struct asn1_algorithm ecdsa_with_sha224_algorithm __asn1_algorithm = {
+	.name = "ecdsaWithSHA224",
+	.pubkey = &ecdsa_algorithm,
+	.digest = &sha224_algorithm,
+	.oid = ASN1_CURSOR ( oid_ecdsa_with_sha224 ),
+};
+
+/** ECDSA with SHA-224 signature hash algorithm */
+struct tls_signature_hash_algorithm
+tls_ecdsa_sha224 __tls_sig_hash_algorithm = {
+	.code = {
+		.signature = TLS_ECDSA_ALGORITHM,
+		.hash = TLS_SHA224_ALGORITHM,
+	},
+	.pubkey = &ecdsa_algorithm,
+	.digest = &sha224_algorithm,
+};

src/crypto/mishmash/ecdsa_sha256.c

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2025 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ * You can also choose to distribute this program under the terms of
+ * the Unmodified Binary Distribution Licence (as given in the file
+ * COPYING.UBDL), provided that you have satisfied its requirements.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <ipxe/ecdsa.h>
+#include <ipxe/sha256.h>
+#include <ipxe/asn1.h>
+#include <ipxe/tls.h>
+
+/** "ecdsa-with-SHA256" object identifier */
+static uint8_t oid_ecdsa_with_sha256[] = { ASN1_OID_ECDSA_WITH_SHA256 };
+
+/** "ecdsa-with-SHA256" OID-identified algorithm */
+struct asn1_algorithm ecdsa_with_sha256_algorithm __asn1_algorithm = {
+	.name = "ecdsaWithSHA256",
+	.pubkey = &ecdsa_algorithm,
+	.digest = &sha256_algorithm,
+	.oid = ASN1_CURSOR ( oid_ecdsa_with_sha256 ),
+};
+
+/** ECDSA with SHA-256 signature hash algorithm */
+struct tls_signature_hash_algorithm
+tls_ecdsa_sha256 __tls_sig_hash_algorithm = {
+	.code = {
+		.signature = TLS_ECDSA_ALGORITHM,
+		.hash = TLS_SHA256_ALGORITHM,
+	},
+	.pubkey = &ecdsa_algorithm,
+	.digest = &sha256_algorithm,
+};

src/crypto/mishmash/ecdsa_sha384.c

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2025 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ * You can also choose to distribute this program under the terms of
+ * the Unmodified Binary Distribution Licence (as given in the file
+ * COPYING.UBDL), provided that you have satisfied its requirements.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <ipxe/ecdsa.h>
+#include <ipxe/sha512.h>
+#include <ipxe/asn1.h>
+#include <ipxe/tls.h>
+
+/** "ecdsa-with-SHA384" object identifier */
+static uint8_t oid_ecdsa_with_sha384[] = { ASN1_OID_ECDSA_WITH_SHA384 };
+
+/** "ecdsa-with-SHA384" OID-identified algorithm */
+struct asn1_algorithm ecdsa_with_sha384_algorithm __asn1_algorithm = {
+	.name = "ecdsaWithSHA384",
+	.pubkey = &ecdsa_algorithm,
+	.digest = &sha384_algorithm,
+	.oid = ASN1_CURSOR ( oid_ecdsa_with_sha384 ),
+};
+
+/** ECDSA with SHA-384 signature hash algorithm */
+struct tls_signature_hash_algorithm
+tls_ecdsa_sha384 __tls_sig_hash_algorithm = {
+	.code = {
+		.signature = TLS_ECDSA_ALGORITHM,
+		.hash = TLS_SHA384_ALGORITHM,
+	},
+	.pubkey = &ecdsa_algorithm,
+	.digest = &sha384_algorithm,
+};

src/crypto/mishmash/ecdsa_sha512.c

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2025 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ * You can also choose to distribute this program under the terms of
+ * the Unmodified Binary Distribution Licence (as given in the file
+ * COPYING.UBDL), provided that you have satisfied its requirements.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <ipxe/ecdsa.h>
+#include <ipxe/sha512.h>
+#include <ipxe/asn1.h>
+#include <ipxe/tls.h>
+
+/** "ecdsa-with-SHA512" object identifier */
+static uint8_t oid_ecdsa_with_sha512[] = { ASN1_OID_ECDSA_WITH_SHA512 };
+
+/** "ecdsa-with-SHA512" OID-identified algorithm */
+struct asn1_algorithm ecdsa_with_sha512_algorithm __asn1_algorithm = {
+	.name = "ecdsaWithSHA512",
+	.pubkey = &ecdsa_algorithm,
+	.digest = &sha512_algorithm,
+	.oid = ASN1_CURSOR ( oid_ecdsa_with_sha512 ),
+};
+
+/** ECDSA with SHA-512 signature hash algorithm */
+struct tls_signature_hash_algorithm
+tls_ecdsa_sha512 __tls_sig_hash_algorithm = {
+	.code = {
+		.signature = TLS_ECDSA_ALGORITHM,
+		.hash = TLS_SHA512_ALGORITHM,
+	},
+	.pubkey = &ecdsa_algorithm,
+	.digest = &sha512_algorithm,
+};

src/include/ipxe/asn1.h

@@ -139,6 +139,30 @@ struct asn1_builder_header {
 	ASN1_OID_DOUBLE ( 10045 ), ASN1_OID_SINGLE ( 3 ),	\
 	ASN1_OID_SINGLE ( 1 ), ASN1_OID_SINGLE ( 7 )
 
+/** ASN.1 OID for ecdsa-with-SHA224 (1.2.840.10045.4.3.1) */
+#define ASN1_OID_ECDSA_WITH_SHA224				\
+	ASN1_OID_INITIAL ( 1, 2 ), ASN1_OID_DOUBLE ( 840 ),	\
+	ASN1_OID_DOUBLE ( 10045 ), ASN1_OID_SINGLE ( 4 ),	\
+	ASN1_OID_SINGLE ( 3 ), ASN1_OID_SINGLE ( 1 )
+
+/** ASN.1 OID for ecdsa-with-SHA256 (1.2.840.10045.4.3.2) */
+#define ASN1_OID_ECDSA_WITH_SHA256				\
+	ASN1_OID_INITIAL ( 1, 2 ), ASN1_OID_DOUBLE ( 840 ),	\
+	ASN1_OID_DOUBLE ( 10045 ), ASN1_OID_SINGLE ( 4 ),	\
+	ASN1_OID_SINGLE ( 3 ), ASN1_OID_SINGLE ( 2 )
+
+/** ASN.1 OID for ecdsa-with-SHA384 (1.2.840.10045.4.3.3) */
+#define ASN1_OID_ECDSA_WITH_SHA384				\
+	ASN1_OID_INITIAL ( 1, 2 ), ASN1_OID_DOUBLE ( 840 ),	\
+	ASN1_OID_DOUBLE ( 10045 ), ASN1_OID_SINGLE ( 4 ),	\
+	ASN1_OID_SINGLE ( 3 ), ASN1_OID_SINGLE ( 3 )
+
+/** ASN.1 OID for ecdsa-with-SHA512 (1.2.840.10045.4.3.4) */
+#define ASN1_OID_ECDSA_WITH_SHA512				\
+	ASN1_OID_INITIAL ( 1, 2 ), ASN1_OID_DOUBLE ( 840 ),	\
+	ASN1_OID_DOUBLE ( 10045 ), ASN1_OID_SINGLE ( 4 ),	\
+	ASN1_OID_SINGLE ( 3 ), ASN1_OID_SINGLE ( 4 )
+
 /** ASN.1 OID for rsaEncryption (1.2.840.113549.1.1.1) */
 #define ASN1_OID_RSAENCRYPTION					\
 	ASN1_OID_INITIAL ( 1, 2 ), ASN1_OID_DOUBLE ( 840 ),	\

src/include/ipxe/tls.h

@@ -113,6 +113,7 @@ struct tls_header {
 
 /* TLS signature algorithm identifiers */
 #define TLS_RSA_ALGORITHM 1
+#define TLS_ECDSA_ALGORITHM 3
 
 /* TLS server name extension */
 #define TLS_SERVER_NAME 0