include/crypto/rsa.h

   1 /*
   2  * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #ifndef OSSL_INTERNAL_RSA_H
  11 # define OSSL_INTERNAL_RSA_H
  12 # pragma once
  13
  14 # include <openssl/core.h>
  15 # include <openssl/rsa.h>
  16 # include "crypto/types.h"
  17
  18 #define RSA_MIN_MODULUS_BITS    512
  19
  20 typedef struct rsa_pss_params_30_st {
  21     int hash_algorithm_nid;
  22     struct {
  23         int algorithm_nid;       /* Currently always NID_mgf1 */
  24         int hash_algorithm_nid;
  25     } mask_gen;
  26     int salt_len;
  27     int trailer_field;
  28 } RSA_PSS_PARAMS_30;
  29
  30 RSA_PSS_PARAMS_30 *ossl_rsa_get0_pss_params_30(RSA *r);
  31 int ossl_rsa_pss_params_30_set_defaults(RSA_PSS_PARAMS_30 *rsa_pss_params);
  32 int ossl_rsa_pss_params_30_copy(RSA_PSS_PARAMS_30 *to,
  33                                 const RSA_PSS_PARAMS_30 *from);
  34 int ossl_rsa_pss_params_30_is_unrestricted(const RSA_PSS_PARAMS_30 *rsa_pss_params);
  35 int ossl_rsa_pss_params_30_set_hashalg(RSA_PSS_PARAMS_30 *rsa_pss_params,
  36                                        int hashalg_nid);
  37 int ossl_rsa_pss_params_30_set_maskgenalg(RSA_PSS_PARAMS_30 *rsa_pss_params,
  38                                           int maskgenalg_nid);
  39 int ossl_rsa_pss_params_30_set_maskgenhashalg(RSA_PSS_PARAMS_30 *rsa_pss_params,
  40                                               int maskgenhashalg_nid);
  41 int ossl_rsa_pss_params_30_set_saltlen(RSA_PSS_PARAMS_30 *rsa_pss_params,
  42                                        int saltlen);
  43 int ossl_rsa_pss_params_30_set_trailerfield(RSA_PSS_PARAMS_30 *rsa_pss_params,
  44                                             int trailerfield);
  45 int ossl_rsa_pss_params_30_hashalg(const RSA_PSS_PARAMS_30 *rsa_pss_params);
  46 int ossl_rsa_pss_params_30_maskgenalg(const RSA_PSS_PARAMS_30 *rsa_pss_params);
  47 int ossl_rsa_pss_params_30_maskgenhashalg(const RSA_PSS_PARAMS_30 *rsa_pss_params);
  48 int ossl_rsa_pss_params_30_saltlen(const RSA_PSS_PARAMS_30 *rsa_pss_params);
  49 int ossl_rsa_pss_params_30_trailerfield(const RSA_PSS_PARAMS_30 *rsa_pss_params);
  50
  51 const char *ossl_rsa_mgf_nid2name(int mgf);
  52 int ossl_rsa_oaeppss_md2nid(const EVP_MD *md);
  53 const char *ossl_rsa_oaeppss_nid2name(int md);
  54
  55 RSA *ossl_rsa_new_with_ctx(OSSL_LIB_CTX *libctx);
  56 OSSL_LIB_CTX *ossl_rsa_get0_libctx(RSA *r);
  57 void ossl_rsa_set0_libctx(RSA *r, OSSL_LIB_CTX *libctx);
  58
  59 int ossl_rsa_set0_all_params(RSA *r, const STACK_OF(BIGNUM) *primes,
  60                              const STACK_OF(BIGNUM) *exps,
  61                              const STACK_OF(BIGNUM) *coeffs);
  62 int ossl_rsa_get0_all_params(RSA *r, STACK_OF(BIGNUM_const) *primes,
  63                              STACK_OF(BIGNUM_const) *exps,
  64                              STACK_OF(BIGNUM_const) *coeffs);
  65 int ossl_rsa_is_foreign(const RSA *rsa);
  66 RSA *ossl_rsa_dup(const RSA *rsa, int selection);
  67
  68 int ossl_rsa_todata(RSA *rsa, OSSL_PARAM_BLD *bld, OSSL_PARAM params[]);
  69 int ossl_rsa_fromdata(RSA *rsa, const OSSL_PARAM params[]);
  70 int ossl_rsa_pss_params_30_todata(const RSA_PSS_PARAMS_30 *pss,
  71                                   OSSL_PARAM_BLD *bld, OSSL_PARAM params[]);
  72 int ossl_rsa_pss_params_30_fromdata(RSA_PSS_PARAMS_30 *pss_params,
  73                                     int *defaults_set,
  74                                     const OSSL_PARAM params[],
  75                                     OSSL_LIB_CTX *libctx);
  76 int ossl_rsa_set0_pss_params(RSA *r, RSA_PSS_PARAMS *pss);
  77 int ossl_rsa_pss_get_param_unverified(const RSA_PSS_PARAMS *pss,
  78                                       const EVP_MD **pmd, const EVP_MD **pmgf1md,
  79                                       int *psaltlen, int *ptrailerField);
  80 RSA_PSS_PARAMS *ossl_rsa_pss_decode(const X509_ALGOR *alg);
  81 int ossl_rsa_param_decode(RSA *rsa, const X509_ALGOR *alg);
  82 RSA *ossl_rsa_key_from_pkcs8(const PKCS8_PRIV_KEY_INFO *p8inf,
  83                              OSSL_LIB_CTX *libctx, const char *propq);
  84
  85 int ossl_rsa_padding_check_PKCS1_type_2_TLS(OSSL_LIB_CTX *ctx, unsigned char *to,
  86                                             size_t tlen,
  87                                             const unsigned char *from,
  88                                             size_t flen, int client_version,
  89                                             int alt_version);
  90 int ossl_rsa_padding_add_PKCS1_OAEP_mgf1_ex(OSSL_LIB_CTX *libctx,
  91                                             unsigned char *to, int tlen,
  92                                             const unsigned char *from, int flen,
  93                                             const unsigned char *param,
  94                                             int plen, const EVP_MD *md,
  95                                             const EVP_MD *mgf1md);
  96
  97 int ossl_rsa_validate_public(const RSA *key);
  98 int ossl_rsa_validate_private(const RSA *key);
  99 int ossl_rsa_validate_pairwise(const RSA *key);
 100
 101 int ossl_rsa_verify(int dtype, const unsigned char *m,
 102                     unsigned int m_len, unsigned char *rm,
 103                     size_t *prm_len, const unsigned char *sigbuf,
 104                     size_t siglen, RSA *rsa);
 105
 106 const unsigned char *ossl_rsa_digestinfo_encoding(int md_nid, size_t *len);
 107
 108 extern const char *ossl_rsa_mp_factor_names[];
 109 extern const char *ossl_rsa_mp_exp_names[];
 110 extern const char *ossl_rsa_mp_coeff_names[];
 111
 112 ASN1_STRING *ossl_rsa_ctx_to_pss_string(EVP_PKEY_CTX *pkctx);
 113 int ossl_rsa_pss_to_ctx(EVP_MD_CTX *ctx, EVP_PKEY_CTX *pkctx,
 114                         const X509_ALGOR *sigalg, EVP_PKEY *pkey);
 115
 116 # if defined(FIPS_MODULE) && !defined(OPENSSL_NO_ACVP_TESTS)
 117 int ossl_rsa_acvp_test_gen_params_new(OSSL_PARAM **dst, const OSSL_PARAM src[]);
 118 void ossl_rsa_acvp_test_gen_params_free(OSSL_PARAM *dst);
 119
 120 int ossl_rsa_acvp_test_set_params(RSA *r, const OSSL_PARAM params[]);
 121 int ossl_rsa_acvp_test_get_params(RSA *r, OSSL_PARAM params[]);
 122 typedef struct rsa_acvp_test_st RSA_ACVP_TEST;
 123 void ossl_rsa_acvp_test_free(RSA_ACVP_TEST *t);
 124 # else
 125 # define RSA_ACVP_TEST void
 126 # endif
 127
 128 RSA *evp_pkey_get1_RSA_PSS(EVP_PKEY *pkey);
 129 #endif