ecdsa_ossl.c ecdsa_sign.c ecdsa_vrf.c curve25519.c \
curve448/arch_32/f_impl.c curve448/f_generic.c curve448/scalar.c \
curve448/curve448_tables.c curve448/eddsa.c curve448/curve448.c \
- $ECASM ecdsa_aid.c ec_backend.c ecx_backend.c
+ $ECASM ec_backend.c ecx_backend.c
SOURCE[../../libcrypto]=$COMMON ec_ameth.c ec_pmeth.c ecx_meth.c ecx_key.c \
ec_err.c ecdh_kdf.c eck_prn.c ec_evp_lib.c
SOURCE[../../providers/libfips.a]=$COMMON
+++ /dev/null
-/*
- * Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
-
-#include <stdlib.h>
-
-#include <openssl/objects.h>
-#include "crypto/ec.h"
-
-#define ASN1_SEQUENCE 0x30
-#define ASN1_OID 0x06
-#define OID_FIRST(a, b) a * 40 + b
-#define DER_840() 0x86, 0x48 /* DER encoding of number 840 is 2 bytes */
-#define DER_10045() 0xCE, 0x3D /* DER encoding of number 10045 is 2 bytes */
-#define SHA1_SZ 7
-#define SHA2_SZ 8
-#define SHA3_SZ 9
-
-/*
- * -- RFC 3279
- * ansi-X9-62 OBJECT IDENTIFIER ::= { iso(1) member-body(2) us(840) 10045 }
- * id-ecSigType OBJECT IDENTIFIER ::= { ansi-X9-62 signatures(4) }
- *
- * ecdsa-with-SHA1 OBJECT IDENTIFIER ::= { id-ecSigType 1 }
- */
-#define ENCODE_ALGORITHMIDENTIFIER_SHA1(name) \
-static const unsigned char algorithmidentifier_##name##_der[] = { \
- ASN1_SEQUENCE, 2 + SHA1_SZ, \
- ASN1_OID, SHA1_SZ, OID_FIRST(1, 2), DER_840(), DER_10045(), 4, 1 \
-}
-
-/*
- * -- RFC 5758
- *
- * ecdsa-with-SHA224 OBJECT IDENTIFIER ::= { iso(1) member-body(2)
- * us(840) ansi-X9-62(10045) signatures(4) ecdsa-with-SHA2(3) 1 }
- *
- * ecdsa-with-SHA256 OBJECT IDENTIFIER ::= { iso(1) member-body(2)
- * us(840) ansi-X9-62(10045) signatures(4) ecdsa-with-SHA2(3) 2 }
- *
- * ecdsa-with-SHA384 OBJECT IDENTIFIER ::= { iso(1) member-body(2)
- * us(840) ansi-X9-62(10045) signatures(4) ecdsa-with-SHA2(3) 3 }
- *
- * ecdsa-with-SHA512 OBJECT IDENTIFIER ::= { iso(1) member-body(2)
- * us(840) ansi-X9-62(10045) signatures(4) ecdsa-with-SHA2(3) 4 }
- */
-#define ENCODE_ALGORITHMIDENTIFIER_SHA2(name, n) \
-static const unsigned char algorithmidentifier_##name##_der[] = { \
- ASN1_SEQUENCE, 2 + SHA2_SZ, \
- ASN1_OID, SHA2_SZ, OID_FIRST(1, 2), DER_840(), DER_10045(), 4, 3, n \
-}
-
-/*
- * https://csrc.nist.gov/projects/computer-security-objects-register/algorithm-registration
- *
- * sigAlgs OBJECT IDENTIFIER ::= { 2 16 840 1 101 3 4 3 }
- *
- * id-ecdsa-with-sha3-224 ::= { sigAlgs 9 }
- * id-ecdsa-with-sha3-256 ::= { sigAlgs 10 }
- * id-ecdsa-with-sha3-384 ::= { sigAlgs 11 }
- * id-ecdsa-with-sha3-512 ::= { sigAlgs 12 }
- */
-#define ENCODE_ALGORITHMIDENTIFIER_SHA3(name, n) \
-static const unsigned char algorithmidentifier_##name##_der[] = { \
- ASN1_SEQUENCE, 2 + SHA3_SZ, \
- ASN1_OID, SHA3_SZ, OID_FIRST(2, 16), DER_840(), 1, 101, 3, 4, 3, n \
-}
-
-ENCODE_ALGORITHMIDENTIFIER_SHA1(sha1);
-ENCODE_ALGORITHMIDENTIFIER_SHA2(sha224, 1);
-ENCODE_ALGORITHMIDENTIFIER_SHA2(sha256, 2);
-ENCODE_ALGORITHMIDENTIFIER_SHA2(sha384, 3);
-ENCODE_ALGORITHMIDENTIFIER_SHA2(sha512, 4);
-ENCODE_ALGORITHMIDENTIFIER_SHA3(sha3_224, 9);
-ENCODE_ALGORITHMIDENTIFIER_SHA3(sha3_256, 10);
-ENCODE_ALGORITHMIDENTIFIER_SHA3(sha3_384, 11);
-ENCODE_ALGORITHMIDENTIFIER_SHA3(sha3_512, 12);
-/* TODO - Add SHAKE OIDS when they are standardized */
-
-#define MD_CASE(name) \
- case NID_##name: \
- *len = sizeof(algorithmidentifier_##name##_der); \
- return algorithmidentifier_##name##_der
-
-const unsigned char *ecdsa_algorithmidentifier_encoding(int md_nid, size_t *len)
-{
- switch (md_nid) {
- MD_CASE(sha1);
- MD_CASE(sha224);
- MD_CASE(sha256);
- MD_CASE(sha384);
- MD_CASE(sha512);
- MD_CASE(sha3_224);
- MD_CASE(sha3_256);
- MD_CASE(sha3_384);
- MD_CASE(sha3_512);
- default:
- return NULL;
- }
-}
--- /dev/null
+-- -------------------------------------------------------------------
+-- Taken from RFC 3279, 3 ASN.1 Module
+-- (https://www.rfc-editor.org/rfc/rfc3279.html#section-3)
+
+ansi-X9-62 OBJECT IDENTIFIER ::= {
+ iso(1) member-body(2) us(840) 10045 }
+
+-- Arc for ECDSA signature OIDS
+
+id-ecSigType OBJECT IDENTIFIER ::= { ansi-X9-62 signatures(4) }
+
+-- OID for ECDSA signatures with SHA-1
+
+ecdsa-with-SHA1 OBJECT IDENTIFIER ::= { id-ecSigType 1 }
+
+id-publicKeyType OBJECT IDENTIFIER ::= { ansi-X9-62 keyType(2) }
+
+id-ecPublicKey OBJECT IDENTIFIER ::= { id-publicKeyType 1 }
+
+-- Named Elliptic Curves in ANSI X9.62.
+
+ellipticCurve OBJECT IDENTIFIER ::= { ansi-X9-62 curves(3) }
+
+c-TwoCurve OBJECT IDENTIFIER ::= {
+ ellipticCurve characteristicTwo(0) }
+
+c2pnb163v1 OBJECT IDENTIFIER ::= { c-TwoCurve 1 }
+c2pnb163v2 OBJECT IDENTIFIER ::= { c-TwoCurve 2 }
+c2pnb163v3 OBJECT IDENTIFIER ::= { c-TwoCurve 3 }
+c2pnb176w1 OBJECT IDENTIFIER ::= { c-TwoCurve 4 }
+c2tnb191v1 OBJECT IDENTIFIER ::= { c-TwoCurve 5 }
+c2tnb191v2 OBJECT IDENTIFIER ::= { c-TwoCurve 6 }
+c2tnb191v3 OBJECT IDENTIFIER ::= { c-TwoCurve 7 }
+c2onb191v4 OBJECT IDENTIFIER ::= { c-TwoCurve 8 }
+c2onb191v5 OBJECT IDENTIFIER ::= { c-TwoCurve 9 }
+c2pnb208w1 OBJECT IDENTIFIER ::= { c-TwoCurve 10 }
+c2tnb239v1 OBJECT IDENTIFIER ::= { c-TwoCurve 11 }
+c2tnb239v2 OBJECT IDENTIFIER ::= { c-TwoCurve 12 }
+c2tnb239v3 OBJECT IDENTIFIER ::= { c-TwoCurve 13 }
+c2onb239v4 OBJECT IDENTIFIER ::= { c-TwoCurve 14 }
+c2onb239v5 OBJECT IDENTIFIER ::= { c-TwoCurve 15 }
+c2pnb272w1 OBJECT IDENTIFIER ::= { c-TwoCurve 16 }
+c2pnb304w1 OBJECT IDENTIFIER ::= { c-TwoCurve 17 }
+c2tnb359v1 OBJECT IDENTIFIER ::= { c-TwoCurve 18 }
+c2pnb368w1 OBJECT IDENTIFIER ::= { c-TwoCurve 19 }
+c2tnb431r1 OBJECT IDENTIFIER ::= { c-TwoCurve 20 }
+
+primeCurve OBJECT IDENTIFIER ::= { ellipticCurve prime(1) }
+
+prime192v1 OBJECT IDENTIFIER ::= { primeCurve 1 }
+prime192v2 OBJECT IDENTIFIER ::= { primeCurve 2 }
+prime192v3 OBJECT IDENTIFIER ::= { primeCurve 3 }
+prime239v1 OBJECT IDENTIFIER ::= { primeCurve 4 }
+prime239v2 OBJECT IDENTIFIER ::= { primeCurve 5 }
+prime239v3 OBJECT IDENTIFIER ::= { primeCurve 6 }
+prime256v1 OBJECT IDENTIFIER ::= { primeCurve 7 }
+
+-- -------------------------------------------------------------------
+-- Taken from RFC 5758, 3.2. ECDSA Signature Algorithm
+-- (https://www.rfc-editor.org/rfc/rfc5758.html#section-3.2)
+
+ecdsa-with-SHA224 OBJECT IDENTIFIER ::= { iso(1) member-body(2)
+ us(840) ansi-X9-62(10045) signatures(4) ecdsa-with-SHA2(3) 1 }
+
+ecdsa-with-SHA256 OBJECT IDENTIFIER ::= { iso(1) member-body(2)
+ us(840) ansi-X9-62(10045) signatures(4) ecdsa-with-SHA2(3) 2 }
+
+ecdsa-with-SHA384 OBJECT IDENTIFIER ::= { iso(1) member-body(2)
+ us(840) ansi-X9-62(10045) signatures(4) ecdsa-with-SHA2(3) 3 }
+
+ecdsa-with-SHA512 OBJECT IDENTIFIER ::= { iso(1) member-body(2)
+ us(840) ansi-X9-62(10045) signatures(4) ecdsa-with-SHA2(3) 4 }
+
+-- -------------------------------------------------------------------
+-- Taken from https://csrc.nist.gov/projects/computer-security-objects-register/algorithm-registration
+
+sigAlgs OBJECT IDENTIFIER ::= { 2 16 840 1 101 3 4 3 }
+
+id-ecdsa-with-sha3-224 OBJECT IDENTIFIER ::= { sigAlgs 9 }
+id-ecdsa-with-sha3-256 OBJECT IDENTIFIER ::= { sigAlgs 10 }
+id-ecdsa-with-sha3-384 OBJECT IDENTIFIER ::= { sigAlgs 11 }
+id-ecdsa-with-sha3-512 OBJECT IDENTIFIER ::= { sigAlgs 12 }
+
-$FIPSABLE=der_rsa.c der_dsa.c
+$FIPSABLE=der_rsa.c der_dsa.c der_ec.c
SOURCE[../../libfips.a]=$FIPSABLE
SOURCE[../../libnonfips.a]=$FIPSABLE
DEPEND[der_dsa.o]=../include/prov/der_dsa.h
GENERATE[../include/prov/der_dsa.h]=der_dsa.h.in
DEPEND[../include/prov/der_dsa.h]=oids_to_c.pm
+
+GENERATE[der_ec.c]=der_ec.c.in
+DEPEND[der_ec.c]=oids_to_c.pm
+
+DEPEND[der_ec.o]=../include/prov/der_ec.h
+GENERATE[../include/prov/der_ec.h]=der_ec.h.in
+DEPEND[../include/prov/der_ec.h]=oids_to_c.pm
--- /dev/null
+/*
+ * Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/bn.h>
+#include <openssl/obj_mac.h>
+#include "prov/der_ec.h"
+
+/* Well known OIDs precompiled */
+{-
+ $OUT = oids_to_c::process_leaves('providers/common/der/EC.asn1',
+ { dir => $config{sourcedir},
+ filter => \&oids_to_c::filter_to_C });
+-}
+
+int DER_w_algorithmIdentifier_EC(WPACKET *pkt, int cont, EC_KEY *ec)
+{
+ return DER_w_begin_sequence(pkt, cont)
+ /* No parameters (yet?) */
+ && DER_w_precompiled(pkt, -1, der_oid_id_ecPublicKey,
+ sizeof(der_oid_id_ecPublicKey))
+ && DER_w_end_sequence(pkt, cont);
+}
+
+/* Aliases so we can have a uniform MD_CASE */
+#define der_oid_id_ecdsa_with_sha1 der_oid_ecdsa_with_SHA1
+#define der_oid_id_ecdsa_with_sha224 der_oid_ecdsa_with_SHA224
+#define der_oid_id_ecdsa_with_sha256 der_oid_ecdsa_with_SHA256
+#define der_oid_id_ecdsa_with_sha384 der_oid_ecdsa_with_SHA384
+#define der_oid_id_ecdsa_with_sha512 der_oid_ecdsa_with_SHA512
+
+#define MD_CASE(name) \
+ case NID_##name: \
+ precompiled = der_oid_id_ecdsa_with_##name; \
+ precompiled_sz = sizeof(der_oid_id_ecdsa_with_##name); \
+ break;
+
+int DER_w_algorithmIdentifier_ECDSA_with(WPACKET *pkt, int cont,
+ EC_KEY *ec, int mdnid)
+{
+ const unsigned char *precompiled = NULL;
+ size_t precompiled_sz = 0;
+
+ switch (mdnid) {
+ MD_CASE(sha1);
+ MD_CASE(sha224);
+ MD_CASE(sha256);
+ MD_CASE(sha384);
+ MD_CASE(sha512);
+ MD_CASE(sha3_224);
+ MD_CASE(sha3_256);
+ MD_CASE(sha3_384);
+ MD_CASE(sha3_512);
+ default:
+ return 0;
+ }
+
+ return DER_w_begin_sequence(pkt, cont)
+ /* No parameters (yet?) */
+ && DER_w_precompiled(pkt, -1, precompiled, precompiled_sz)
+ && DER_w_end_sequence(pkt, cont);
+}
--- /dev/null
+/*
+ * Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include "internal/der.h"
+
+/* Well known OIDs precompiled */
+{-
+ $OUT = oids_to_c::process_leaves('providers/common/der/EC.asn1',
+ { dir => $config{sourcedir},
+ filter => \&oids_to_c::filter_to_H });
+-}
+
+int DER_w_algorithmIdentifier_EC(WPACKET *pkt, int cont, EC_KEY *ec);
+int DER_w_algorithmIdentifier_ECDSA_with(WPACKET *pkt, int cont,
+ EC_KEY *ec, int mdnid);
DEPEND[rsa.o]=../../common/include/prov/der_rsa.h
DEPEND[dsa.o]=../../common/include/prov/der_dsa.h
+DEPEND[ecdsa.o]=../../common/include/prov/der_ec.h
#include <openssl/err.h>
#include "internal/nelem.h"
#include "internal/sizes.h"
+#include "internal/cryptlib.h"
#include "prov/providercommonerr.h"
#include "prov/implementations.h"
#include "prov/provider_ctx.h"
#include "crypto/ec.h"
+#include "prov/der_ec.h"
static OSSL_OP_signature_newctx_fn ecdsa_newctx;
static OSSL_OP_signature_sign_init_fn ecdsa_signature_init;
char mdname[OSSL_MAX_NAME_SIZE];
/* The Algorithm Identifier of the combined signature algorithm */
- unsigned char aid[OSSL_MAX_ALGORITHM_ID_SIZE];
+ unsigned char aid_buf[OSSL_MAX_ALGORITHM_ID_SIZE];
+ unsigned char *aid;
size_t aid_len;
size_t mdsize;
const char *props, void *ec)
{
PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx;
- size_t algorithmidentifier_len = 0;
- const unsigned char *algorithmidentifier;
+ int md_nid = NID_undef;
+ WPACKET pkt;
free_md(ctx);
return 0;
ctx->md = EVP_MD_fetch(ctx->libctx, mdname, props);
- algorithmidentifier =
- ecdsa_algorithmidentifier_encoding(get_md_nid(ctx->md),
- &algorithmidentifier_len);
- if (algorithmidentifier == NULL)
+ if ((md_nid = get_md_nid(ctx->md)) == NID_undef)
goto error;
ctx->mdsize = EVP_MD_size(ctx->md);
if (ctx->mdctx == NULL)
goto error;
- memcpy(ctx->aid, algorithmidentifier, algorithmidentifier_len);
- ctx->aid_len = algorithmidentifier_len;
+ /*
+ * TODO(3.0) Should we care about DER writing errors?
+ * All it really means is that for some reason, there's no
+ * AlgorithmIdentifier to be had, but the operation itself is
+ * still valid, just as long as it's not used to construct
+ * anything that needs an AlgorithmIdentifier.
+ */
+ ctx->aid_len = 0;
+ if (WPACKET_init_der(&pkt, ctx->aid_buf, sizeof(ctx->aid_buf))
+ && DER_w_algorithmIdentifier_ECDSA_with(&pkt, -1, ctx->ec, md_nid)
+ && WPACKET_finish(&pkt)) {
+ WPACKET_get_total_written(&pkt, &ctx->aid_len);
+ ctx->aid = WPACKET_get_curr(&pkt);
+ }
+ WPACKET_cleanup(&pkt);
if (!EVP_DigestInit_ex(ctx->mdctx, ctx->md, NULL))
goto error;