mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-05 13:33:33 +01:00
722 lines
19 KiB
C
722 lines
19 KiB
C
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/*
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* Copyright 2006-2022 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*
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* ECDH and ECDSA low level APIs are deprecated for public use, but still ok
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* for internal use.
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*/
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#include "internal/deprecated.h"
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#include <stdio.h>
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#include "internal/cryptlib.h"
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#include <openssl/x509.h>
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#include <openssl/ec.h>
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#include <openssl/bn.h>
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#include <openssl/asn1t.h>
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#include "crypto/asn1.h"
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#include "crypto/evp.h"
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#include "crypto/x509.h"
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#include <openssl/core_names.h>
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#include <openssl/param_build.h>
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#include "ec_local.h"
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static int eckey_param2type(int *pptype, void **ppval, const EC_KEY *ec_key)
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{
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const EC_GROUP *group;
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int nid;
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if (ec_key == NULL || (group = EC_KEY_get0_group(ec_key)) == NULL) {
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ERR_raise(ERR_LIB_EC, EC_R_MISSING_PARAMETERS);
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return 0;
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}
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if (EC_GROUP_get_asn1_flag(group)
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&& (nid = EC_GROUP_get_curve_name(group)))
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/* we have a 'named curve' => just set the OID */
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{
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ASN1_OBJECT *asn1obj = OBJ_nid2obj(nid);
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if (asn1obj == NULL || OBJ_length(asn1obj) == 0) {
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ERR_raise(ERR_LIB_EC, EC_R_MISSING_OID);
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return 0;
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}
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*ppval = asn1obj;
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*pptype = V_ASN1_OBJECT;
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} else { /* explicit parameters */
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ASN1_STRING *pstr = NULL;
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pstr = ASN1_STRING_new();
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if (pstr == NULL)
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return 0;
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pstr->length = i2d_ECParameters(ec_key, &pstr->data);
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if (pstr->length <= 0) {
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ASN1_STRING_free(pstr);
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ERR_raise(ERR_LIB_EC, ERR_R_EC_LIB);
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return 0;
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}
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*ppval = pstr;
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*pptype = V_ASN1_SEQUENCE;
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}
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return 1;
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}
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static int eckey_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey)
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{
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const EC_KEY *ec_key = pkey->pkey.ec;
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void *pval = NULL;
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int ptype;
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unsigned char *penc = NULL, *p;
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int penclen;
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if (!eckey_param2type(&ptype, &pval, ec_key)) {
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ERR_raise(ERR_LIB_EC, ERR_R_EC_LIB);
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return 0;
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}
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penclen = i2o_ECPublicKey(ec_key, NULL);
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if (penclen <= 0)
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goto err;
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penc = OPENSSL_malloc(penclen);
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if (penc == NULL)
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goto err;
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p = penc;
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penclen = i2o_ECPublicKey(ec_key, &p);
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if (penclen <= 0)
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goto err;
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if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_EC),
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ptype, pval, penc, penclen))
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return 1;
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err:
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if (ptype == V_ASN1_SEQUENCE)
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ASN1_STRING_free(pval);
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OPENSSL_free(penc);
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return 0;
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}
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static int eckey_pub_decode(EVP_PKEY *pkey, const X509_PUBKEY *pubkey)
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{
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const unsigned char *p = NULL;
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int pklen;
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EC_KEY *eckey = NULL;
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X509_ALGOR *palg;
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OSSL_LIB_CTX *libctx = NULL;
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const char *propq = NULL;
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if (!ossl_x509_PUBKEY_get0_libctx(&libctx, &propq, pubkey)
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|| !X509_PUBKEY_get0_param(NULL, &p, &pklen, &palg, pubkey))
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return 0;
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eckey = ossl_ec_key_param_from_x509_algor(palg, libctx, propq);
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if (!eckey)
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return 0;
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/* We have parameters now set public key */
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if (!o2i_ECPublicKey(&eckey, &p, pklen)) {
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ERR_raise(ERR_LIB_EC, EC_R_DECODE_ERROR);
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goto ecerr;
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}
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EVP_PKEY_assign_EC_KEY(pkey, eckey);
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return 1;
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ecerr:
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EC_KEY_free(eckey);
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return 0;
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}
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static int eckey_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
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{
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int r;
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const EC_GROUP *group = EC_KEY_get0_group(b->pkey.ec);
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const EC_POINT *pa = EC_KEY_get0_public_key(a->pkey.ec),
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*pb = EC_KEY_get0_public_key(b->pkey.ec);
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if (group == NULL || pa == NULL || pb == NULL)
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return -2;
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r = EC_POINT_cmp(group, pa, pb, NULL);
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if (r == 0)
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return 1;
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if (r == 1)
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return 0;
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return -2;
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}
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static int eckey_priv_decode_ex(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8,
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OSSL_LIB_CTX *libctx, const char *propq)
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{
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int ret = 0;
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EC_KEY *eckey = ossl_ec_key_from_pkcs8(p8, libctx, propq);
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if (eckey != NULL) {
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ret = 1;
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EVP_PKEY_assign_EC_KEY(pkey, eckey);
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}
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return ret;
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}
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static int eckey_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
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{
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EC_KEY ec_key = *(pkey->pkey.ec);
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unsigned char *ep = NULL;
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int eplen, ptype;
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void *pval;
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unsigned int old_flags;
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if (!eckey_param2type(&ptype, &pval, &ec_key)) {
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ERR_raise(ERR_LIB_EC, EC_R_DECODE_ERROR);
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return 0;
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}
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/* set the private key */
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/*
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* do not include the parameters in the SEC1 private key see PKCS#11
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* 12.11
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*/
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old_flags = EC_KEY_get_enc_flags(&ec_key);
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EC_KEY_set_enc_flags(&ec_key, old_flags | EC_PKEY_NO_PARAMETERS);
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eplen = i2d_ECPrivateKey(&ec_key, &ep);
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if (eplen <= 0) {
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ERR_raise(ERR_LIB_EC, ERR_R_EC_LIB);
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goto err;
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}
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if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_X9_62_id_ecPublicKey), 0,
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ptype, pval, ep, eplen)) {
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ERR_raise(ERR_LIB_EC, ERR_R_ASN1_LIB);
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OPENSSL_clear_free(ep, eplen);
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goto err;
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}
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return 1;
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err:
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if (ptype == V_ASN1_SEQUENCE)
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ASN1_STRING_free(pval);
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return 0;
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}
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static int int_ec_size(const EVP_PKEY *pkey)
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{
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return ECDSA_size(pkey->pkey.ec);
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}
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static int ec_bits(const EVP_PKEY *pkey)
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{
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return EC_GROUP_order_bits(EC_KEY_get0_group(pkey->pkey.ec));
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}
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static int ec_security_bits(const EVP_PKEY *pkey)
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{
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int ecbits = ec_bits(pkey);
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if (ecbits >= 512)
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return 256;
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if (ecbits >= 384)
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return 192;
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if (ecbits >= 256)
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return 128;
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if (ecbits >= 224)
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return 112;
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if (ecbits >= 160)
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return 80;
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return ecbits / 2;
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}
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static int ec_missing_parameters(const EVP_PKEY *pkey)
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{
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if (pkey->pkey.ec == NULL || EC_KEY_get0_group(pkey->pkey.ec) == NULL)
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return 1;
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return 0;
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}
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static int ec_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
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{
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EC_GROUP *group = EC_GROUP_dup(EC_KEY_get0_group(from->pkey.ec));
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if (group == NULL)
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return 0;
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if (to->pkey.ec == NULL) {
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to->pkey.ec = EC_KEY_new();
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if (to->pkey.ec == NULL)
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goto err;
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}
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if (EC_KEY_set_group(to->pkey.ec, group) == 0)
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goto err;
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EC_GROUP_free(group);
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return 1;
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err:
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EC_GROUP_free(group);
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return 0;
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}
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static int ec_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
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{
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const EC_GROUP *group_a = EC_KEY_get0_group(a->pkey.ec),
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*group_b = EC_KEY_get0_group(b->pkey.ec);
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if (group_a == NULL || group_b == NULL)
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return -2;
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if (EC_GROUP_cmp(group_a, group_b, NULL))
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return 0;
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else
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return 1;
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}
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static void int_ec_free(EVP_PKEY *pkey)
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{
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EC_KEY_free(pkey->pkey.ec);
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}
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typedef enum {
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EC_KEY_PRINT_PRIVATE,
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EC_KEY_PRINT_PUBLIC,
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EC_KEY_PRINT_PARAM
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} ec_print_t;
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static int do_EC_KEY_print(BIO *bp, const EC_KEY *x, int off, ec_print_t ktype)
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{
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const char *ecstr;
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unsigned char *priv = NULL, *pub = NULL;
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size_t privlen = 0, publen = 0;
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int ret = 0;
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const EC_GROUP *group;
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if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL) {
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ERR_raise(ERR_LIB_EC, ERR_R_PASSED_NULL_PARAMETER);
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return 0;
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}
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if (ktype != EC_KEY_PRINT_PARAM && EC_KEY_get0_public_key(x) != NULL) {
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publen = EC_KEY_key2buf(x, EC_KEY_get_conv_form(x), &pub, NULL);
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if (publen == 0)
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goto err;
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}
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if (ktype == EC_KEY_PRINT_PRIVATE && EC_KEY_get0_private_key(x) != NULL) {
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privlen = EC_KEY_priv2buf(x, &priv);
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if (privlen == 0)
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goto err;
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}
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if (ktype == EC_KEY_PRINT_PRIVATE)
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ecstr = "Private-Key";
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else if (ktype == EC_KEY_PRINT_PUBLIC)
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ecstr = "Public-Key";
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else
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ecstr = "ECDSA-Parameters";
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if (!BIO_indent(bp, off, 128))
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goto err;
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if (BIO_printf(bp, "%s: (%d bit)\n", ecstr,
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EC_GROUP_order_bits(group)) <= 0)
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goto err;
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if (privlen != 0) {
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if (BIO_printf(bp, "%*spriv:\n", off, "") <= 0)
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goto err;
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if (ASN1_buf_print(bp, priv, privlen, off + 4) == 0)
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goto err;
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}
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if (publen != 0) {
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if (BIO_printf(bp, "%*spub:\n", off, "") <= 0)
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goto err;
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if (ASN1_buf_print(bp, pub, publen, off + 4) == 0)
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goto err;
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}
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if (!ECPKParameters_print(bp, group, off))
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goto err;
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ret = 1;
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err:
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if (!ret)
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ERR_raise(ERR_LIB_EC, ERR_R_EC_LIB);
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OPENSSL_clear_free(priv, privlen);
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OPENSSL_free(pub);
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return ret;
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}
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static int eckey_param_decode(EVP_PKEY *pkey,
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const unsigned char **pder, int derlen)
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{
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EC_KEY *eckey;
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if ((eckey = d2i_ECParameters(NULL, pder, derlen)) == NULL)
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return 0;
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EVP_PKEY_assign_EC_KEY(pkey, eckey);
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return 1;
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}
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static int eckey_param_encode(const EVP_PKEY *pkey, unsigned char **pder)
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{
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return i2d_ECParameters(pkey->pkey.ec, pder);
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}
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static int eckey_param_print(BIO *bp, const EVP_PKEY *pkey, int indent,
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ASN1_PCTX *ctx)
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{
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return do_EC_KEY_print(bp, pkey->pkey.ec, indent, EC_KEY_PRINT_PARAM);
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}
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static int eckey_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent,
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ASN1_PCTX *ctx)
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{
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return do_EC_KEY_print(bp, pkey->pkey.ec, indent, EC_KEY_PRINT_PUBLIC);
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}
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static int eckey_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent,
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ASN1_PCTX *ctx)
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{
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return do_EC_KEY_print(bp, pkey->pkey.ec, indent, EC_KEY_PRINT_PRIVATE);
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}
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static int old_ec_priv_decode(EVP_PKEY *pkey,
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const unsigned char **pder, int derlen)
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{
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EC_KEY *ec;
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if ((ec = d2i_ECPrivateKey(NULL, pder, derlen)) == NULL)
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return 0;
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EVP_PKEY_assign_EC_KEY(pkey, ec);
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return 1;
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}
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static int old_ec_priv_encode(const EVP_PKEY *pkey, unsigned char **pder)
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{
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return i2d_ECPrivateKey(pkey->pkey.ec, pder);
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}
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static int ec_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
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{
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switch (op) {
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case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
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if (EVP_PKEY_get_id(pkey) == EVP_PKEY_SM2) {
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/* For SM2, the only valid digest-alg is SM3 */
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*(int *)arg2 = NID_sm3;
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return 2; /* Make it mandatory */
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}
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*(int *)arg2 = NID_sha256;
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return 1;
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case ASN1_PKEY_CTRL_SET1_TLS_ENCPT:
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/* We should only be here if we have a legacy key */
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if (!ossl_assert(evp_pkey_is_legacy(pkey)))
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return 0;
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return EC_KEY_oct2key(evp_pkey_get0_EC_KEY_int(pkey), arg2, arg1, NULL);
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case ASN1_PKEY_CTRL_GET1_TLS_ENCPT:
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return EC_KEY_key2buf(EVP_PKEY_get0_EC_KEY(pkey),
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POINT_CONVERSION_UNCOMPRESSED, arg2, NULL);
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||
|
|
||
|
default:
|
||
|
return -2;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static int ec_pkey_check(const EVP_PKEY *pkey)
|
||
|
{
|
||
|
EC_KEY *eckey = pkey->pkey.ec;
|
||
|
|
||
|
/* stay consistent to what EVP_PKEY_check demands */
|
||
|
if (eckey->priv_key == NULL) {
|
||
|
ERR_raise(ERR_LIB_EC, EC_R_MISSING_PRIVATE_KEY);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
return EC_KEY_check_key(eckey);
|
||
|
}
|
||
|
|
||
|
static int ec_pkey_public_check(const EVP_PKEY *pkey)
|
||
|
{
|
||
|
EC_KEY *eckey = pkey->pkey.ec;
|
||
|
|
||
|
/*
|
||
|
* Note: it unnecessary to check eckey->pub_key here since
|
||
|
* it will be checked in EC_KEY_check_key(). In fact, the
|
||
|
* EC_KEY_check_key() mainly checks the public key, and checks
|
||
|
* the private key optionally (only if there is one). So if
|
||
|
* someone passes a whole EC key (public + private), this
|
||
|
* will also work...
|
||
|
*/
|
||
|
|
||
|
return EC_KEY_check_key(eckey);
|
||
|
}
|
||
|
|
||
|
static int ec_pkey_param_check(const EVP_PKEY *pkey)
|
||
|
{
|
||
|
EC_KEY *eckey = pkey->pkey.ec;
|
||
|
|
||
|
/* stay consistent to what EVP_PKEY_check demands */
|
||
|
if (eckey->group == NULL) {
|
||
|
ERR_raise(ERR_LIB_EC, EC_R_MISSING_PARAMETERS);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
return EC_GROUP_check(eckey->group, NULL);
|
||
|
}
|
||
|
|
||
|
static
|
||
|
size_t ec_pkey_dirty_cnt(const EVP_PKEY *pkey)
|
||
|
{
|
||
|
return pkey->pkey.ec->dirty_cnt;
|
||
|
}
|
||
|
|
||
|
static
|
||
|
int ec_pkey_export_to(const EVP_PKEY *from, void *to_keydata,
|
||
|
OSSL_FUNC_keymgmt_import_fn *importer,
|
||
|
OSSL_LIB_CTX *libctx, const char *propq)
|
||
|
{
|
||
|
const EC_KEY *eckey = NULL;
|
||
|
const EC_GROUP *ecg = NULL;
|
||
|
unsigned char *pub_key_buf = NULL, *gen_buf = NULL;
|
||
|
size_t pub_key_buflen;
|
||
|
OSSL_PARAM_BLD *tmpl;
|
||
|
OSSL_PARAM *params = NULL;
|
||
|
const BIGNUM *priv_key = NULL;
|
||
|
const EC_POINT *pub_point = NULL;
|
||
|
int selection = 0;
|
||
|
int rv = 0;
|
||
|
BN_CTX *bnctx = NULL;
|
||
|
|
||
|
if (from == NULL
|
||
|
|| (eckey = from->pkey.ec) == NULL
|
||
|
|| (ecg = EC_KEY_get0_group(eckey)) == NULL)
|
||
|
return 0;
|
||
|
|
||
|
tmpl = OSSL_PARAM_BLD_new();
|
||
|
if (tmpl == NULL)
|
||
|
return 0;
|
||
|
|
||
|
/*
|
||
|
* EC_POINT_point2buf() can generate random numbers in some
|
||
|
* implementations so we need to ensure we use the correct libctx.
|
||
|
*/
|
||
|
bnctx = BN_CTX_new_ex(libctx);
|
||
|
if (bnctx == NULL)
|
||
|
goto err;
|
||
|
BN_CTX_start(bnctx);
|
||
|
|
||
|
/* export the domain parameters */
|
||
|
if (!ossl_ec_group_todata(ecg, tmpl, NULL, libctx, propq, bnctx, &gen_buf))
|
||
|
goto err;
|
||
|
selection |= OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS;
|
||
|
|
||
|
priv_key = EC_KEY_get0_private_key(eckey);
|
||
|
pub_point = EC_KEY_get0_public_key(eckey);
|
||
|
|
||
|
if (pub_point != NULL) {
|
||
|
/* convert pub_point to a octet string according to the SECG standard */
|
||
|
point_conversion_form_t format = EC_KEY_get_conv_form(eckey);
|
||
|
|
||
|
if ((pub_key_buflen = EC_POINT_point2buf(ecg, pub_point,
|
||
|
format,
|
||
|
&pub_key_buf, bnctx)) == 0
|
||
|
|| !OSSL_PARAM_BLD_push_octet_string(tmpl,
|
||
|
OSSL_PKEY_PARAM_PUB_KEY,
|
||
|
pub_key_buf,
|
||
|
pub_key_buflen))
|
||
|
goto err;
|
||
|
selection |= OSSL_KEYMGMT_SELECT_PUBLIC_KEY;
|
||
|
}
|
||
|
|
||
|
if (priv_key != NULL) {
|
||
|
size_t sz;
|
||
|
int ecbits;
|
||
|
int ecdh_cofactor_mode;
|
||
|
|
||
|
/*
|
||
|
* Key import/export should never leak the bit length of the secret
|
||
|
* scalar in the key.
|
||
|
*
|
||
|
* For this reason, on export we use padded BIGNUMs with fixed length.
|
||
|
*
|
||
|
* When importing we also should make sure that, even if short lived,
|
||
|
* the newly created BIGNUM is marked with the BN_FLG_CONSTTIME flag as
|
||
|
* soon as possible, so that any processing of this BIGNUM might opt for
|
||
|
* constant time implementations in the backend.
|
||
|
*
|
||
|
* Setting the BN_FLG_CONSTTIME flag alone is never enough, we also have
|
||
|
* to preallocate the BIGNUM internal buffer to a fixed public size big
|
||
|
* enough that operations performed during the processing never trigger
|
||
|
* a realloc which would leak the size of the scalar through memory
|
||
|
* accesses.
|
||
|
*
|
||
|
* Fixed Length
|
||
|
* ------------
|
||
|
*
|
||
|
* The order of the large prime subgroup of the curve is our choice for
|
||
|
* a fixed public size, as that is generally the upper bound for
|
||
|
* generating a private key in EC cryptosystems and should fit all valid
|
||
|
* secret scalars.
|
||
|
*
|
||
|
* For padding on export we just use the bit length of the order
|
||
|
* converted to bytes (rounding up).
|
||
|
*
|
||
|
* For preallocating the BIGNUM storage we look at the number of "words"
|
||
|
* required for the internal representation of the order, and we
|
||
|
* preallocate 2 extra "words" in case any of the subsequent processing
|
||
|
* might temporarily overflow the order length.
|
||
|
*/
|
||
|
ecbits = EC_GROUP_order_bits(ecg);
|
||
|
if (ecbits <= 0)
|
||
|
goto err;
|
||
|
|
||
|
sz = (ecbits + 7 ) / 8;
|
||
|
if (!OSSL_PARAM_BLD_push_BN_pad(tmpl,
|
||
|
OSSL_PKEY_PARAM_PRIV_KEY,
|
||
|
priv_key, sz))
|
||
|
goto err;
|
||
|
selection |= OSSL_KEYMGMT_SELECT_PRIVATE_KEY;
|
||
|
|
||
|
/*
|
||
|
* The ECDH Cofactor Mode is defined only if the EC_KEY actually
|
||
|
* contains a private key, so we check for the flag and export it only
|
||
|
* in this case.
|
||
|
*/
|
||
|
ecdh_cofactor_mode =
|
||
|
(EC_KEY_get_flags(eckey) & EC_FLAG_COFACTOR_ECDH) ? 1 : 0;
|
||
|
|
||
|
/* Export the ECDH_COFACTOR_MODE parameter */
|
||
|
if (!OSSL_PARAM_BLD_push_int(tmpl,
|
||
|
OSSL_PKEY_PARAM_USE_COFACTOR_ECDH,
|
||
|
ecdh_cofactor_mode))
|
||
|
goto err;
|
||
|
selection |= OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS;
|
||
|
}
|
||
|
|
||
|
params = OSSL_PARAM_BLD_to_param(tmpl);
|
||
|
|
||
|
/* We export, the provider imports */
|
||
|
rv = importer(to_keydata, selection, params);
|
||
|
|
||
|
err:
|
||
|
OSSL_PARAM_BLD_free(tmpl);
|
||
|
OSSL_PARAM_free(params);
|
||
|
OPENSSL_free(pub_key_buf);
|
||
|
OPENSSL_free(gen_buf);
|
||
|
BN_CTX_end(bnctx);
|
||
|
BN_CTX_free(bnctx);
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
static int ec_pkey_import_from(const OSSL_PARAM params[], void *vpctx)
|
||
|
{
|
||
|
EVP_PKEY_CTX *pctx = vpctx;
|
||
|
EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(pctx);
|
||
|
EC_KEY *ec = EC_KEY_new_ex(pctx->libctx, pctx->propquery);
|
||
|
|
||
|
if (ec == NULL) {
|
||
|
ERR_raise(ERR_LIB_DH, ERR_R_MALLOC_FAILURE);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
if (!ossl_ec_group_fromdata(ec, params)
|
||
|
|| !ossl_ec_key_otherparams_fromdata(ec, params)
|
||
|
|| !ossl_ec_key_fromdata(ec, params, 1)
|
||
|
|| !EVP_PKEY_assign_EC_KEY(pkey, ec)) {
|
||
|
EC_KEY_free(ec);
|
||
|
return 0;
|
||
|
}
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
static int ec_pkey_copy(EVP_PKEY *to, EVP_PKEY *from)
|
||
|
{
|
||
|
EC_KEY *eckey = from->pkey.ec;
|
||
|
EC_KEY *dupkey = NULL;
|
||
|
int ret;
|
||
|
|
||
|
if (eckey != NULL) {
|
||
|
dupkey = EC_KEY_dup(eckey);
|
||
|
if (dupkey == NULL)
|
||
|
return 0;
|
||
|
} else {
|
||
|
/* necessary to properly copy empty SM2 keys */
|
||
|
return EVP_PKEY_set_type(to, from->type);
|
||
|
}
|
||
|
|
||
|
ret = EVP_PKEY_assign_EC_KEY(to, dupkey);
|
||
|
if (!ret)
|
||
|
EC_KEY_free(dupkey);
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
const EVP_PKEY_ASN1_METHOD ossl_eckey_asn1_meth = {
|
||
|
EVP_PKEY_EC,
|
||
|
EVP_PKEY_EC,
|
||
|
0,
|
||
|
"EC",
|
||
|
"OpenSSL EC algorithm",
|
||
|
|
||
|
eckey_pub_decode,
|
||
|
eckey_pub_encode,
|
||
|
eckey_pub_cmp,
|
||
|
eckey_pub_print,
|
||
|
|
||
|
NULL,
|
||
|
eckey_priv_encode,
|
||
|
eckey_priv_print,
|
||
|
|
||
|
int_ec_size,
|
||
|
ec_bits,
|
||
|
ec_security_bits,
|
||
|
|
||
|
eckey_param_decode,
|
||
|
eckey_param_encode,
|
||
|
ec_missing_parameters,
|
||
|
ec_copy_parameters,
|
||
|
ec_cmp_parameters,
|
||
|
eckey_param_print,
|
||
|
0,
|
||
|
|
||
|
int_ec_free,
|
||
|
ec_pkey_ctrl,
|
||
|
old_ec_priv_decode,
|
||
|
old_ec_priv_encode,
|
||
|
|
||
|
0, 0, 0,
|
||
|
|
||
|
ec_pkey_check,
|
||
|
ec_pkey_public_check,
|
||
|
ec_pkey_param_check,
|
||
|
|
||
|
0, /* set_priv_key */
|
||
|
0, /* set_pub_key */
|
||
|
0, /* get_priv_key */
|
||
|
0, /* get_pub_key */
|
||
|
|
||
|
ec_pkey_dirty_cnt,
|
||
|
ec_pkey_export_to,
|
||
|
ec_pkey_import_from,
|
||
|
ec_pkey_copy,
|
||
|
eckey_priv_decode_ex
|
||
|
};
|
||
|
|
||
|
#if !defined(OPENSSL_NO_SM2)
|
||
|
const EVP_PKEY_ASN1_METHOD ossl_sm2_asn1_meth = {
|
||
|
EVP_PKEY_SM2,
|
||
|
EVP_PKEY_EC,
|
||
|
ASN1_PKEY_ALIAS
|
||
|
};
|
||
|
#endif
|
||
|
|
||
|
int EC_KEY_print(BIO *bp, const EC_KEY *x, int off)
|
||
|
{
|
||
|
int private = EC_KEY_get0_private_key(x) != NULL;
|
||
|
|
||
|
return do_EC_KEY_print(bp, x, off,
|
||
|
private ? EC_KEY_PRINT_PRIVATE : EC_KEY_PRINT_PUBLIC);
|
||
|
}
|
||
|
|
||
|
int ECParameters_print(BIO *bp, const EC_KEY *x)
|
||
|
{
|
||
|
return do_EC_KEY_print(bp, x, 4, EC_KEY_PRINT_PARAM);
|
||
|
}
|