/* 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.] */
#ifndef OPENSSL_HEADER_RSA_INTERNAL_H
#define OPENSSL_HEADER_RSA_INTERNAL_H
#include <openssl/base.h>
#if defined(__cplusplus)
extern "C" {
#endif
/* Default implementations of RSA operations. */
extern const RSA_METHOD RSA_default_method;
size_t rsa_default_size(const RSA *rsa);
int rsa_default_encrypt(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_default_sign_raw(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_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_default_private_transform(RSA *rsa, uint8_t *out, const uint8_t *in,
size_t len);
int rsa_default_multi_prime_keygen(RSA *rsa, int bits, int num_primes,
BIGNUM *e_value, BN_GENCB *cb);
int rsa_default_keygen(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb);
#define RSA_PKCS1_PADDING_SIZE 11
BN_BLINDING *BN_BLINDING_new(void);
void BN_BLINDING_free(BN_BLINDING *b);
int BN_BLINDING_convert(BIGNUM *n, BN_BLINDING *b, const BIGNUM *e,
const BN_MONT_CTX *mont_ctx, BN_CTX *ctx);
int BN_BLINDING_invert(BIGNUM *n, const BN_BLINDING *b, BN_MONT_CTX *mont_ctx,
BN_CTX *ctx);
int RSA_padding_add_PKCS1_type_1(uint8_t *to, size_t to_len,
const uint8_t *from, size_t from_len);
int RSA_padding_check_PKCS1_type_1(uint8_t *to, unsigned to_len,
const uint8_t *from, unsigned from_len);
int RSA_padding_add_PKCS1_type_2(uint8_t *to, size_t to_len,
const uint8_t *from, size_t from_len);
int RSA_padding_check_PKCS1_type_2(uint8_t *to, unsigned to_len,
const uint8_t *from, unsigned from_len);
int RSA_padding_check_PKCS1_OAEP_mgf1(uint8_t *to, unsigned to_len,
const uint8_t *from, unsigned from_len,
const uint8_t *param, unsigned plen,
const EVP_MD *md, const EVP_MD *mgf1md);
int RSA_padding_add_none(uint8_t *to, size_t to_len, const uint8_t *from,
size_t from_len);
/* RSA_private_transform calls either the method-specific |private_transform|
* function (if given) or the generic one. See the comment for
* |private_transform| in |rsa_meth_st|. */
int RSA_private_transform(RSA *rsa, uint8_t *out, const uint8_t *in,
size_t len);
/* RSA_additional_prime contains information about the third, forth etc prime
* in a multi-prime RSA key. */
typedef struct RSA_additional_prime_st {
BIGNUM *prime;
/* exp is d^{prime-1} mod prime */
BIGNUM *exp;
/* coeff is such that r×coeff ≡ 1 mod prime. */
BIGNUM *coeff;
/* Values below here are not in the ASN.1 serialisation. */
/* r is the product of all primes (including p and q) prior to this one. */
BIGNUM *r;
/* mont is a |BN_MONT_CTX| modulo |prime|. */
BN_MONT_CTX *mont;
} RSA_additional_prime;
void RSA_additional_prime_free(RSA_additional_prime *ap);
#if defined(__cplusplus)
} /* extern C */
#endif
#endif /* OPENSSL_HEADER_RSA_INTERNAL_H */