/* 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.] */ #ifndef OPENSSL_HEADER_RSA_INTERNAL_H #define OPENSSL_HEADER_RSA_INTERNAL_H #include <openssl/base.h> #include <openssl/bn.h> #include <openssl/rsa.h> #include "../../internal.h" #if defined(__cplusplus) extern "C" { #endif BN_BLINDING; struct rsa_st { … }; #define RSA_PKCS1_PADDING_SIZE … // Default implementations of RSA operations. const RSA_METHOD *RSA_default_method(void); size_t rsa_default_size(const RSA *rsa); 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_private_transform(RSA *rsa, uint8_t *out, const uint8_t *in, size_t len); BN_BLINDING *BN_BLINDING_new(void); void BN_BLINDING_free(BN_BLINDING *b); void BN_BLINDING_invalidate(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 PKCS1_MGF1(uint8_t *out, size_t len, const uint8_t *seed, size_t seed_len, const EVP_MD *md); 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 *out, size_t *out_len, size_t max_out, const uint8_t *from, size_t from_len); int RSA_padding_add_none(uint8_t *to, size_t to_len, const uint8_t *from, size_t from_len); // rsa_check_public_key checks that |rsa|'s public modulus and exponent are // within DoS bounds. int rsa_check_public_key(const RSA *rsa); // rsa_private_transform_no_self_test 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_no_self_test(RSA *rsa, uint8_t *out, const uint8_t *in, size_t len); // rsa_private_transform acts the same as |rsa_private_transform_no_self_test| // but, in FIPS mode, performs an RSA self test before calling the default RSA // implementation. int rsa_private_transform(RSA *rsa, uint8_t *out, const uint8_t *in, size_t len); // rsa_invalidate_key is called after |rsa| has been mutated, to invalidate // fields derived from the original structure. This function assumes exclusive // access to |rsa|. In particular, no other thread may be concurrently signing, // etc., with |rsa|. void rsa_invalidate_key(RSA *rsa); // This constant is exported for test purposes. extern const BN_ULONG kBoringSSLRSASqrtTwo[]; extern const size_t kBoringSSLRSASqrtTwoLen; // Functions that avoid self-tests. // // Self-tests need to call functions that don't try and ensure that the // self-tests have passed. These functions, in turn, need to limit themselves // to such functions too. // // These functions are the same as their public versions, but skip the self-test // check. int rsa_verify_no_self_test(int hash_nid, const uint8_t *digest, size_t digest_len, const uint8_t *sig, size_t sig_len, RSA *rsa); int rsa_verify_raw_no_self_test(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_sign_no_self_test(int hash_nid, const uint8_t *digest, size_t digest_len, uint8_t *out, unsigned *out_len, RSA *rsa); #if defined(__cplusplus) } // extern C #endif #endif // OPENSSL_HEADER_RSA_INTERNAL_H
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