chromium/third_party/boringssl/src/crypto/evp/evp.c

/* Copyright (C) 1995-1998 Eric Young ([email protected])
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young ([email protected]).
 * 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 ([email protected]).
 *
 * 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 ([email protected])"
 *    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 ([email protected])"
 *
 * 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/err.h>
#include <openssl/mem.h>
#include <openssl/nid.h>
#include <openssl/thread.h>

#include "internal.h"
#include "../internal.h"


// Node depends on |EVP_R_NOT_XOF_OR_INVALID_LENGTH|.
//
// TODO(davidben): Fix Node to not touch the error queue itself and remove this.
OPENSSL_DECLARE_ERROR_REASON(…)

// The HPKE module uses the EVP error namespace, but it lives in another
// directory.
OPENSSL_DECLARE_ERROR_REASON(…)

EVP_PKEY *EVP_PKEY_new(void) { … }

static void free_it(EVP_PKEY *pkey) { … }

void EVP_PKEY_free(EVP_PKEY *pkey) { … }

int EVP_PKEY_up_ref(EVP_PKEY *pkey) { … }

int EVP_PKEY_is_opaque(const EVP_PKEY *pkey) { … }

int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) { … }

int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) { … }

int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) { … }

int EVP_PKEY_size(const EVP_PKEY *pkey) { … }

int EVP_PKEY_bits(const EVP_PKEY *pkey) { … }

int EVP_PKEY_id(const EVP_PKEY *pkey) { … }

// 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) { … }

void evp_pkey_set_method(EVP_PKEY *pkey, const EVP_PKEY_ASN1_METHOD *method) { … }

int EVP_PKEY_type(int nid) { … }

int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) { … }

int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) { … }

EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *unused,
                                       const uint8_t *in, size_t len) { … }

EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *unused,
                                      const uint8_t *in, size_t len) { … }

int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, uint8_t *out,
                                 size_t *out_len) { … }

int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, uint8_t *out,
                                size_t *out_len) { … }

int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) { … }

int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md) { … }

int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **out_md) { … }

void *EVP_PKEY_get0(const EVP_PKEY *pkey) { … }

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) { … }

int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey, const uint8_t *in,
                                   size_t len) { … }

size_t EVP_PKEY_get1_tls_encodedpoint(const EVP_PKEY *pkey, uint8_t **out_ptr) { … }

int EVP_PKEY_base_id(const EVP_PKEY *pkey) { … }