rsa_crypt.c | Explore in Territory

/* 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/base.h>

#include <limits.h>

#include <openssl/err.h>
#include <openssl/rsa.h>
#include <openssl/bn.h>
#include <openssl/rand.h>
#include <openssl/mem.h>
#include <openssl/evp.h>

#include "../fipsmodule/bn/internal.h"
#include "../fipsmodule/rsa/internal.h"
#include "../internal.h"
#include "internal.h"


static void rand_nonzero(uint8_t *out, size_t len) { … }

int RSA_padding_add_PKCS1_OAEP_mgf1(uint8_t *to, size_t to_len,
                                    const uint8_t *from, size_t from_len,
                                    const uint8_t *param, size_t param_len,
                                    const EVP_MD *md, const EVP_MD *mgf1md) { … }

int RSA_padding_check_PKCS1_OAEP_mgf1(uint8_t *out, size_t *out_len,
                                      size_t max_out, const uint8_t *from,
                                      size_t from_len, const uint8_t *param,
                                      size_t param_len, const EVP_MD *md,
                                      const EVP_MD *mgf1md) { … }

static int rsa_padding_add_PKCS1_type_2(uint8_t *to, size_t to_len,
                                        const uint8_t *from, size_t from_len) { … }

static int rsa_padding_check_PKCS1_type_2(uint8_t *out, size_t *out_len,
                                          size_t max_out, const uint8_t *from,
                                          size_t from_len) { … }

int RSA_public_encrypt(size_t flen, const uint8_t *from, uint8_t *to, RSA *rsa,
                       int padding) { … }

int RSA_private_encrypt(size_t flen, const uint8_t *from, uint8_t *to, RSA *rsa,
                        int padding) { … }

int RSA_encrypt(RSA *rsa, size_t *out_len, uint8_t *out, size_t max_out,
                const uint8_t *in, size_t in_len, int padding) { … }

static int rsa_default_decrypt(RSA *rsa, size_t *out_len, uint8_t *out,
                               size_t max_out, const uint8_t *in, size_t in_len,
                               int padding) { … }

int RSA_decrypt(RSA *rsa, size_t *out_len, uint8_t *out, size_t max_out,
                const uint8_t *in, size_t in_len, int padding) { … }

int RSA_private_decrypt(size_t flen, const uint8_t *from, uint8_t *to, RSA *rsa,
                        int padding) { … }

int RSA_public_decrypt(size_t flen, const uint8_t *from, uint8_t *to, RSA *rsa,
                       int padding) { … }
chromium/third_party/boringssl/src/crypto/rsa_extra/rsa_crypt.c
