pigweed / third_party / boringssl / boringssl / 74f711083dc88c7344f33f1bca7019da4e376758 / . / crypto / rsa / internal.h

/* 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> | |

#include <openssl/asn1.h> | |

#if defined(__cplusplus) | |

extern "C" { | |

#endif | |

#define RSA_PKCS1_PADDING_SIZE 11 | |

/* BN_BLINDING flags */ | |

#define BN_BLINDING_NO_UPDATE 0x00000001 | |

#define BN_BLINDING_NO_RECREATE 0x00000002 | |

BN_BLINDING *BN_BLINDING_new(const BIGNUM *A, const BIGNUM *Ai, BIGNUM *mod); | |

void BN_BLINDING_free(BN_BLINDING *b); | |

int BN_BLINDING_update(BN_BLINDING *b, BN_CTX *ctx); | |

int BN_BLINDING_convert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx); | |

int BN_BLINDING_invert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx); | |

int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *); | |

int BN_BLINDING_invert_ex(BIGNUM *n, const BIGNUM *r, BN_BLINDING *b, BN_CTX *); | |

unsigned long BN_BLINDING_get_flags(const BN_BLINDING *); | |

void BN_BLINDING_set_flags(BN_BLINDING *, unsigned long); | |

BN_BLINDING *BN_BLINDING_create_param( | |

BN_BLINDING *b, const BIGNUM *e, BIGNUM *m, BN_CTX *ctx, | |

int (*bn_mod_exp)(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, | |

const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx), | |

BN_MONT_CTX *m_ctx); | |

BN_BLINDING *rsa_setup_blinding(RSA *rsa, BN_CTX *in_ctx); | |

int RSA_padding_add_PKCS1_type_1(uint8_t *to, unsigned to_len, | |

const uint8_t *from, unsigned 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, unsigned to_len, | |

const uint8_t *from, unsigned 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_add_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_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, unsigned to_len, const uint8_t *from, | |

unsigned from_len); | |

int RSA_padding_check_none(uint8_t *to, unsigned to_len, const uint8_t *from, | |

unsigned 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); | |

typedef struct rsa_pss_params_st { | |

X509_ALGOR *hashAlgorithm; | |

X509_ALGOR *maskGenAlgorithm; | |

ASN1_INTEGER *saltLength; | |

ASN1_INTEGER *trailerField; | |

} RSA_PSS_PARAMS; | |

DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS) | |

typedef struct rsa_oaep_params_st { | |

X509_ALGOR *hashFunc; | |

X509_ALGOR *maskGenFunc; | |

X509_ALGOR *pSourceFunc; | |

} RSA_OAEP_PARAMS; | |

/* 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; | |

/* method_mod is managed by the |RSA_METHOD|. */ | |

BN_MONT_CTX *method_mod; | |

} RSA_additional_prime; | |

void RSA_additional_prime_free(RSA_additional_prime *ap); | |

#if defined(__cplusplus) | |

} /* extern C */ | |

#endif | |

#endif /* OPENSSL_HEADER_RSA_INTERNAL_H */ |