--- /dev/null
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <openssl/evp.h>
+
+#include <assert.h>
+#include <string.h>
+
+#include <openssl/dsa.h>
+#include <openssl/ec.h>
+#include <openssl/err.h>
+#include <openssl/mem.h>
+#include <openssl/nid.h>
+#include <openssl/rsa.h>
+#include <openssl/thread.h>
+
+#include "internal.h"
+#include "../internal.h"
+
+
+EVP_PKEY *EVP_PKEY_new(void) {
+ EVP_PKEY *ret;
+
+ ret = OPENSSL_malloc(sizeof(EVP_PKEY));
+ if (ret == NULL) {
+ OPENSSL_PUT_ERROR(EVP, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+ OPENSSL_memset(ret, 0, sizeof(EVP_PKEY));
+ ret->type = EVP_PKEY_NONE;
+ ret->references = 1;
+
+ return ret;
+}
+
+static void free_it(EVP_PKEY *pkey) {
+ if (pkey->ameth && pkey->ameth->pkey_free) {
+ pkey->ameth->pkey_free(pkey);
+ pkey->pkey.ptr = NULL;
+ pkey->type = EVP_PKEY_NONE;
+ }
+}
+
+void EVP_PKEY_free(EVP_PKEY *pkey) {
+ if (pkey == NULL) {
+ return;
+ }
+
+ if (!CRYPTO_refcount_dec_and_test_zero(&pkey->references)) {
+ return;
+ }
+
+ free_it(pkey);
+ OPENSSL_free(pkey);
+}
+
+int EVP_PKEY_up_ref(EVP_PKEY *pkey) {
+ CRYPTO_refcount_inc(&pkey->references);
+ return 1;
+}
+
+int EVP_PKEY_is_opaque(const EVP_PKEY *pkey) {
+ if (pkey->ameth && pkey->ameth->pkey_opaque) {
+ return pkey->ameth->pkey_opaque(pkey);
+ }
+ return 0;
+}
+
+int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) {
+ if (a->type != b->type) {
+ return -1;
+ }
+
+ if (a->ameth) {
+ int ret;
+ // Compare parameters if the algorithm has them
+ if (a->ameth->param_cmp) {
+ ret = a->ameth->param_cmp(a, b);
+ if (ret <= 0) {
+ return ret;
+ }
+ }
+
+ if (a->ameth->pub_cmp) {
+ return a->ameth->pub_cmp(a, b);
+ }
+ }
+
+ return -2;
+}
+
+int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) {
+ if (to->type != from->type) {
+ OPENSSL_PUT_ERROR(EVP, EVP_R_DIFFERENT_KEY_TYPES);
+ goto err;
+ }
+
+ if (EVP_PKEY_missing_parameters(from)) {
+ OPENSSL_PUT_ERROR(EVP, EVP_R_MISSING_PARAMETERS);
+ goto err;
+ }
+
+ if (from->ameth && from->ameth->param_copy) {
+ return from->ameth->param_copy(to, from);
+ }
+
+err:
+ return 0;
+}
+
+int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) {
+ if (pkey->ameth && pkey->ameth->param_missing) {
+ return pkey->ameth->param_missing(pkey);
+ }
+ return 0;
+}
+
+int EVP_PKEY_size(const EVP_PKEY *pkey) {
+ if (pkey && pkey->ameth && pkey->ameth->pkey_size) {
+ return pkey->ameth->pkey_size(pkey);
+ }
+ return 0;
+}
+
+int EVP_PKEY_bits(EVP_PKEY *pkey) {
+ if (pkey && pkey->ameth && pkey->ameth->pkey_bits) {
+ return pkey->ameth->pkey_bits(pkey);
+ }
+ return 0;
+}
+
+int EVP_PKEY_id(const EVP_PKEY *pkey) {
+ return pkey->type;
+}
+
+// evp_pkey_asn1_find returns the ASN.1 method table for the given |nid|, which
+// should be one of the |EVP_PKEY_*| values. It returns NULL if |nid| is
+// unknown.
+static const EVP_PKEY_ASN1_METHOD *evp_pkey_asn1_find(int nid) {
+ switch (nid) {
+ case EVP_PKEY_RSA:
+ return &rsa_asn1_meth;
+ case EVP_PKEY_EC:
+ return &ec_asn1_meth;
+ case EVP_PKEY_DSA:
+ return &dsa_asn1_meth;
+ case EVP_PKEY_ED25519:
+ return &ed25519_asn1_meth;
+ default:
+ return NULL;
+ }
+}
+
+int EVP_PKEY_type(int nid) {
+ const EVP_PKEY_ASN1_METHOD *meth = evp_pkey_asn1_find(nid);
+ if (meth == NULL) {
+ return NID_undef;
+ }
+ return meth->pkey_id;
+}
+
+int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key) {
+ if (EVP_PKEY_assign_RSA(pkey, key)) {
+ RSA_up_ref(key);
+ return 1;
+ }
+ return 0;
+}
+
+int EVP_PKEY_assign_RSA(EVP_PKEY *pkey, RSA *key) {
+ return EVP_PKEY_assign(pkey, EVP_PKEY_RSA, key);
+}
+
+RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey) {
+ if (pkey->type != EVP_PKEY_RSA) {
+ OPENSSL_PUT_ERROR(EVP, EVP_R_EXPECTING_AN_RSA_KEY);
+ return NULL;
+ }
+ return pkey->pkey.rsa;
+}
+
+RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey) {
+ RSA *rsa = EVP_PKEY_get0_RSA(pkey);
+ if (rsa != NULL) {
+ RSA_up_ref(rsa);
+ }
+ return rsa;
+}
+
+int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) {
+ if (EVP_PKEY_assign_DSA(pkey, key)) {
+ DSA_up_ref(key);
+ return 1;
+ }
+ return 0;
+}
+
+int EVP_PKEY_assign_DSA(EVP_PKEY *pkey, DSA *key) {
+ return EVP_PKEY_assign(pkey, EVP_PKEY_DSA, key);
+}
+
+DSA *EVP_PKEY_get0_DSA(EVP_PKEY *pkey) {
+ if (pkey->type != EVP_PKEY_DSA) {
+ OPENSSL_PUT_ERROR(EVP, EVP_R_EXPECTING_A_DSA_KEY);
+ return NULL;
+ }
+ return pkey->pkey.dsa;
+}
+
+DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) {
+ DSA *dsa = EVP_PKEY_get0_DSA(pkey);
+ if (dsa != NULL) {
+ DSA_up_ref(dsa);
+ }
+ return dsa;
+}
+
+int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key) {
+ if (EVP_PKEY_assign_EC_KEY(pkey, key)) {
+ EC_KEY_up_ref(key);
+ return 1;
+ }
+ return 0;
+}
+
+int EVP_PKEY_assign_EC_KEY(EVP_PKEY *pkey, EC_KEY *key) {
+ return EVP_PKEY_assign(pkey, EVP_PKEY_EC, key);
+}
+
+EC_KEY *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey) {
+ if (pkey->type != EVP_PKEY_EC) {
+ OPENSSL_PUT_ERROR(EVP, EVP_R_EXPECTING_AN_EC_KEY_KEY);
+ return NULL;
+ }
+ return pkey->pkey.ec;
+}
+
+EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey) {
+ EC_KEY *ec_key = EVP_PKEY_get0_EC_KEY(pkey);
+ if (ec_key != NULL) {
+ EC_KEY_up_ref(ec_key);
+ }
+ return ec_key;
+}
+
+DH *EVP_PKEY_get0_DH(EVP_PKEY *pkey) { return NULL; }
+
+int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) {
+ if (!EVP_PKEY_set_type(pkey, type)) {
+ return 0;
+ }
+ pkey->pkey.ptr = key;
+ return key != NULL;
+}
+
+int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) {
+ const EVP_PKEY_ASN1_METHOD *ameth;
+
+ if (pkey && pkey->pkey.ptr) {
+ free_it(pkey);
+ }
+
+ ameth = evp_pkey_asn1_find(type);
+ if (ameth == NULL) {
+ OPENSSL_PUT_ERROR(EVP, EVP_R_UNSUPPORTED_ALGORITHM);
+ ERR_add_error_dataf("algorithm %d", type);
+ return 0;
+ }
+
+ if (pkey) {
+ pkey->ameth = ameth;
+ pkey->type = pkey->ameth->pkey_id;
+ }
+
+ return 1;
+}
+
+
+
+int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) {
+ if (a->type != b->type) {
+ return -1;
+ }
+ if (a->ameth && a->ameth->param_cmp) {
+ return a->ameth->param_cmp(a, b);
+ }
+ return -2;
+}
+
+int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md) {
+ return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD, 0,
+ (void *)md);
+}
+
+int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **out_md) {
+ return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_GET_MD,
+ 0, (void *)out_md);
+}
+
+void OpenSSL_add_all_algorithms(void) {}
+
+void OPENSSL_add_all_algorithms_conf(void) {}
+
+void OpenSSL_add_all_ciphers(void) {}
+
+void OpenSSL_add_all_digests(void) {}
+
+void EVP_cleanup(void) {}
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