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source: vbox/trunk/src/libs/openssl-3.1.2/crypto/rsa/rsa_local.h@ 101021

Last change on this file since 101021 was 101021, checked in by vboxsync, 15 months ago

openssl-3.1.2: Applied and adjusted our OpenSSL changes to 3.1.0. bugref:10519
File size: 7.1 KB
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1/*
2 * Copyright 2006-2021 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_CRYPTO_RSA_LOCAL_H
11#define OSSL_CRYPTO_RSA_LOCAL_H
12
13#include "internal/refcount.h"
14#include "crypto/rsa.h"
15
16#define RSA_MAX_PRIME_NUM 5
17
18typedef struct rsa_prime_info_st {
19 BIGNUM *r;
20 BIGNUM *d;
21 BIGNUM *t;
22 /* save product of primes prior to this one */
23 BIGNUM *pp;
24 BN_MONT_CTX *m;
25} RSA_PRIME_INFO;
26
27DECLARE_ASN1_ITEM(RSA_PRIME_INFO)
28DEFINE_STACK_OF(RSA_PRIME_INFO)
29
30#if defined(FIPS_MODULE) && !defined(OPENSSL_NO_ACVP_TESTS)
31struct rsa_acvp_test_st {
32 /* optional inputs */
33 BIGNUM *Xp1;
34 BIGNUM *Xp2;
35 BIGNUM *Xq1;
36 BIGNUM *Xq2;
37 BIGNUM *Xp;
38 BIGNUM *Xq;
39
40 /* optional outputs */
41 BIGNUM *p1;
42 BIGNUM *p2;
43 BIGNUM *q1;
44 BIGNUM *q2;
45};
46#endif
47
48struct rsa_st {
49 /*
50 * #legacy
51 * The first field is used to pickup errors where this is passed
52 * instead of an EVP_PKEY. It is always zero.
53 * THIS MUST REMAIN THE FIRST FIELD.
54 */
55 int dummy_zero;
56
57 OSSL_LIB_CTX *libctx;
58 int32_t version;
59 const RSA_METHOD *meth;
60 /* functional reference if 'meth' is ENGINE-provided */
61 ENGINE *engine;
62 BIGNUM *n;
63 BIGNUM *e;
64 BIGNUM *d;
65 BIGNUM *p;
66 BIGNUM *q;
67 BIGNUM *dmp1;
68 BIGNUM *dmq1;
69 BIGNUM *iqmp;
70
71 /*
72 * If a PSS only key this contains the parameter restrictions.
73 * There are two structures for the same thing, used in different cases.
74 */
75 /* This is used uniquely by OpenSSL provider implementations. */
76 RSA_PSS_PARAMS_30 pss_params;
77
78#if defined(FIPS_MODULE) && !defined(OPENSSL_NO_ACVP_TESTS)
79 RSA_ACVP_TEST *acvp_test;
80#endif
81
82#ifndef FIPS_MODULE
83 /* This is used uniquely by rsa_ameth.c and rsa_pmeth.c. */
84 RSA_PSS_PARAMS *pss;
85 /* for multi-prime RSA, defined in RFC 8017 */
86 STACK_OF(RSA_PRIME_INFO) *prime_infos;
87 /* Be careful using this if the RSA structure is shared */
88 CRYPTO_EX_DATA ex_data;
89#endif
90 CRYPTO_REF_COUNT references;
91 int flags;
92 /* Used to cache montgomery values */
93 BN_MONT_CTX *_method_mod_n;
94 BN_MONT_CTX *_method_mod_p;
95 BN_MONT_CTX *_method_mod_q;
96 BN_BLINDING *blinding;
97 BN_BLINDING *mt_blinding;
98 CRYPTO_RWLOCK *lock;
99
100 int dirty_cnt;
101};
102
103struct rsa_meth_st {
104 char *name;
105 int (*rsa_pub_enc) (int flen, const unsigned char *from,
106 unsigned char *to, RSA *rsa, int padding);
107 int (*rsa_pub_dec) (int flen, const unsigned char *from,
108 unsigned char *to, RSA *rsa, int padding);
109 int (*rsa_priv_enc) (int flen, const unsigned char *from,
110 unsigned char *to, RSA *rsa, int padding);
111 int (*rsa_priv_dec) (int flen, const unsigned char *from,
112 unsigned char *to, RSA *rsa, int padding);
113 /* Can be null */
114 int (*rsa_mod_exp) (BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx);
115 /* Can be null */
116 int (*bn_mod_exp) (BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
117 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
118 /* called at new */
119 int (*init) (RSA *rsa);
120 /* called at free */
121 int (*finish) (RSA *rsa);
122 /* RSA_METHOD_FLAG_* things */
123 int flags;
124 /* may be needed! */
125 char *app_data;
126 /*
127 * New sign and verify functions: some libraries don't allow arbitrary
128 * data to be signed/verified: this allows them to be used. Note: for
129 * this to work the RSA_public_decrypt() and RSA_private_encrypt() should
130 * *NOT* be used. RSA_sign(), RSA_verify() should be used instead.
131 */
132 int (*rsa_sign) (int type,
133 const unsigned char *m, unsigned int m_length,
134 unsigned char *sigret, unsigned int *siglen,
135 const RSA *rsa);
136 int (*rsa_verify) (int dtype, const unsigned char *m,
137 unsigned int m_length, const unsigned char *sigbuf,
138 unsigned int siglen, const RSA *rsa);
139 /*
140 * If this callback is NULL, the builtin software RSA key-gen will be
141 * used. This is for behavioural compatibility whilst the code gets
142 * rewired, but one day it would be nice to assume there are no such
143 * things as "builtin software" implementations.
144 */
145 int (*rsa_keygen) (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
146 int (*rsa_multi_prime_keygen) (RSA *rsa, int bits, int primes,
147 BIGNUM *e, BN_GENCB *cb);
148};
149
150/* Macros to test if a pkey or ctx is for a PSS key */
151#define pkey_is_pss(pkey) (pkey->ameth->pkey_id == EVP_PKEY_RSA_PSS)
152#define pkey_ctx_is_pss(ctx) (ctx->pmeth->pkey_id == EVP_PKEY_RSA_PSS)
153
154RSA_PSS_PARAMS *ossl_rsa_pss_params_create(const EVP_MD *sigmd,
155 const EVP_MD *mgf1md, int saltlen);
156int ossl_rsa_pss_get_param(const RSA_PSS_PARAMS *pss, const EVP_MD **pmd,
157 const EVP_MD **pmgf1md, int *psaltlen);
158/* internal function to clear and free multi-prime parameters */
159void ossl_rsa_multip_info_free_ex(RSA_PRIME_INFO *pinfo);
160void ossl_rsa_multip_info_free(RSA_PRIME_INFO *pinfo);
161RSA_PRIME_INFO *ossl_rsa_multip_info_new(void);
162int ossl_rsa_multip_calc_product(RSA *rsa);
163int ossl_rsa_multip_cap(int bits);
164
165int ossl_rsa_sp800_56b_validate_strength(int nbits, int strength);
166int ossl_rsa_check_pminusq_diff(BIGNUM *diff, const BIGNUM *p, const BIGNUM *q,
167 int nbits);
168int ossl_rsa_get_lcm(BN_CTX *ctx, const BIGNUM *p, const BIGNUM *q,
169 BIGNUM *lcm, BIGNUM *gcd, BIGNUM *p1, BIGNUM *q1,
170 BIGNUM *p1q1);
171
172int ossl_rsa_check_public_exponent(const BIGNUM *e);
173int ossl_rsa_check_private_exponent(const RSA *rsa, int nbits, BN_CTX *ctx);
174int ossl_rsa_check_prime_factor(BIGNUM *p, BIGNUM *e, int nbits, BN_CTX *ctx);
175int ossl_rsa_check_prime_factor_range(const BIGNUM *p, int nbits, BN_CTX *ctx);
176int ossl_rsa_check_crt_components(const RSA *rsa, BN_CTX *ctx);
177
178int ossl_rsa_sp800_56b_pairwise_test(RSA *rsa, BN_CTX *ctx);
179int ossl_rsa_sp800_56b_check_public(const RSA *rsa);
180int ossl_rsa_sp800_56b_check_private(const RSA *rsa);
181int ossl_rsa_sp800_56b_check_keypair(const RSA *rsa, const BIGNUM *efixed,
182 int strength, int nbits);
183int ossl_rsa_sp800_56b_generate_key(RSA *rsa, int nbits, const BIGNUM *efixed,
184 BN_GENCB *cb);
185
186int ossl_rsa_sp800_56b_derive_params_from_pq(RSA *rsa, int nbits,
187 const BIGNUM *e, BN_CTX *ctx);
188int ossl_rsa_fips186_4_gen_prob_primes(RSA *rsa, RSA_ACVP_TEST *test,
189 int nbits, const BIGNUM *e, BN_CTX *ctx,
190 BN_GENCB *cb);
191
192int ossl_rsa_padding_add_PKCS1_type_2_ex(OSSL_LIB_CTX *libctx, unsigned char *to,
193 int tlen, const unsigned char *from,
194 int flen);
195
196#endif /* OSSL_CRYPTO_RSA_LOCAL_H */
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