Jeff Vander Stoep | 2bbaf7e | 2020-12-04 14:00:07 +0100 | [diff] [blame] | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| 2 | * All rights reserved. |
| 3 | * |
| 4 | * This package is an SSL implementation written |
| 5 | * by Eric Young (eay@cryptsoft.com). |
| 6 | * The implementation was written so as to conform with Netscapes SSL. |
| 7 | * |
| 8 | * This library is free for commercial and non-commercial use as long as |
| 9 | * the following conditions are aheared to. The following conditions |
| 10 | * apply to all code found in this distribution, be it the RC4, RSA, |
| 11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| 12 | * included with this distribution is covered by the same copyright terms |
| 13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| 14 | * |
| 15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
| 16 | * the code are not to be removed. |
| 17 | * If this package is used in a product, Eric Young should be given attribution |
| 18 | * as the author of the parts of the library used. |
| 19 | * This can be in the form of a textual message at program startup or |
| 20 | * in documentation (online or textual) provided with the package. |
| 21 | * |
| 22 | * Redistribution and use in source and binary forms, with or without |
| 23 | * modification, are permitted provided that the following conditions |
| 24 | * are met: |
| 25 | * 1. Redistributions of source code must retain the copyright |
| 26 | * notice, this list of conditions and the following disclaimer. |
| 27 | * 2. Redistributions in binary form must reproduce the above copyright |
| 28 | * notice, this list of conditions and the following disclaimer in the |
| 29 | * documentation and/or other materials provided with the distribution. |
| 30 | * 3. All advertising materials mentioning features or use of this software |
| 31 | * must display the following acknowledgement: |
| 32 | * "This product includes cryptographic software written by |
| 33 | * Eric Young (eay@cryptsoft.com)" |
| 34 | * The word 'cryptographic' can be left out if the rouines from the library |
| 35 | * being used are not cryptographic related :-). |
| 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
| 37 | * the apps directory (application code) you must include an acknowledgement: |
| 38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| 39 | * |
| 40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| 41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 50 | * SUCH DAMAGE. |
| 51 | * |
| 52 | * The licence and distribution terms for any publically available version or |
| 53 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
| 54 | * copied and put under another distribution licence |
| 55 | * [including the GNU Public Licence.] */ |
| 56 | |
| 57 | #ifndef OPENSSL_HEADER_RSA_INTERNAL_H |
| 58 | #define OPENSSL_HEADER_RSA_INTERNAL_H |
| 59 | |
| 60 | #include <openssl/base.h> |
| 61 | |
| 62 | #include <openssl/bn.h> |
| 63 | |
| 64 | |
| 65 | #if defined(__cplusplus) |
| 66 | extern "C" { |
| 67 | #endif |
| 68 | |
| 69 | |
| 70 | // Default implementations of RSA operations. |
| 71 | |
| 72 | const RSA_METHOD *RSA_default_method(void); |
| 73 | |
| 74 | size_t rsa_default_size(const RSA *rsa); |
| 75 | int rsa_default_sign_raw(RSA *rsa, size_t *out_len, uint8_t *out, |
| 76 | size_t max_out, const uint8_t *in, size_t in_len, |
| 77 | int padding); |
| 78 | int rsa_default_decrypt(RSA *rsa, size_t *out_len, uint8_t *out, size_t max_out, |
| 79 | const uint8_t *in, size_t in_len, int padding); |
| 80 | int rsa_default_private_transform(RSA *rsa, uint8_t *out, const uint8_t *in, |
| 81 | size_t len); |
| 82 | |
| 83 | |
| 84 | BN_BLINDING *BN_BLINDING_new(void); |
| 85 | void BN_BLINDING_free(BN_BLINDING *b); |
| 86 | void BN_BLINDING_invalidate(BN_BLINDING *b); |
| 87 | int BN_BLINDING_convert(BIGNUM *n, BN_BLINDING *b, const BIGNUM *e, |
| 88 | const BN_MONT_CTX *mont_ctx, BN_CTX *ctx); |
| 89 | int BN_BLINDING_invert(BIGNUM *n, const BN_BLINDING *b, BN_MONT_CTX *mont_ctx, |
| 90 | BN_CTX *ctx); |
| 91 | |
| 92 | |
| 93 | int RSA_padding_add_PKCS1_type_1(uint8_t *to, size_t to_len, |
| 94 | const uint8_t *from, size_t from_len); |
| 95 | int RSA_padding_check_PKCS1_type_1(uint8_t *out, size_t *out_len, |
| 96 | size_t max_out, const uint8_t *from, |
| 97 | size_t from_len); |
| 98 | int RSA_padding_add_PKCS1_type_2(uint8_t *to, size_t to_len, |
| 99 | const uint8_t *from, size_t from_len); |
| 100 | int RSA_padding_check_PKCS1_type_2(uint8_t *out, size_t *out_len, |
| 101 | size_t max_out, const uint8_t *from, |
| 102 | size_t from_len); |
| 103 | int RSA_padding_check_PKCS1_OAEP_mgf1(uint8_t *out, size_t *out_len, |
| 104 | size_t max_out, const uint8_t *from, |
| 105 | size_t from_len, const uint8_t *param, |
| 106 | size_t param_len, const EVP_MD *md, |
| 107 | const EVP_MD *mgf1md); |
| 108 | int RSA_padding_add_none(uint8_t *to, size_t to_len, const uint8_t *from, |
| 109 | size_t from_len); |
| 110 | |
Joel Galenson | 96d408b | 2021-06-08 17:53:00 -0700 | [diff] [blame] | 111 | // rsa_check_public_key checks that |rsa|'s public modulus and exponent are |
| 112 | // within DoS bounds. |
| 113 | int rsa_check_public_key(const RSA *rsa); |
| 114 | |
Jeff Vander Stoep | 2bbaf7e | 2020-12-04 14:00:07 +0100 | [diff] [blame] | 115 | // RSA_private_transform calls either the method-specific |private_transform| |
| 116 | // function (if given) or the generic one. See the comment for |
| 117 | // |private_transform| in |rsa_meth_st|. |
| 118 | int RSA_private_transform(RSA *rsa, uint8_t *out, const uint8_t *in, |
| 119 | size_t len); |
| 120 | |
| 121 | |
| 122 | // This constant is exported for test purposes. |
| 123 | extern const BN_ULONG kBoringSSLRSASqrtTwo[]; |
| 124 | extern const size_t kBoringSSLRSASqrtTwoLen; |
| 125 | |
| 126 | |
| 127 | #if defined(__cplusplus) |
| 128 | } // extern C |
| 129 | #endif |
| 130 | |
| 131 | #endif // OPENSSL_HEADER_RSA_INTERNAL_H |