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1/* $OpenBSD: rsa.h,v 1.67 2025/01/25 17:59:44 tb Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#ifndef HEADER_RSA_H
60#define HEADER_RSA_H
61
62#include <openssl/opensslconf.h>
63
64#include <openssl/asn1.h>
65
66#ifndef OPENSSL_NO_BIO
67#include <openssl/bio.h>
68#endif
69#include <openssl/bn.h>
70#include <openssl/crypto.h>
71
72#include <openssl/ossl_typ.h>
73
74#ifdef __cplusplus
75extern "C" {
76#endif
77
78struct rsa_pss_params_st {
79 X509_ALGOR *hashAlgorithm;
80 X509_ALGOR *maskGenAlgorithm;
81 ASN1_INTEGER *saltLength;
82 ASN1_INTEGER *trailerField;
83
84 /* Hash algorithm decoded from maskGenAlgorithm. */
85 X509_ALGOR *maskHash;
86} /* RSA_PSS_PARAMS */;
87
88typedef struct rsa_oaep_params_st {
89 X509_ALGOR *hashFunc;
90 X509_ALGOR *maskGenFunc;
91 X509_ALGOR *pSourceFunc;
92
93 /* Hash algorithm decoded from maskGenFunc. */
94 X509_ALGOR *maskHash;
95} RSA_OAEP_PARAMS;
96
97#ifndef OPENSSL_RSA_MAX_MODULUS_BITS
98# define OPENSSL_RSA_MAX_MODULUS_BITS 16384
99#endif
100
101#ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
102# define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
103#endif
104#ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
105# define OPENSSL_RSA_MAX_PUBEXP_BITS 64 /* exponent limit enforced for "large" modulus only */
106#endif
107
108#define RSA_3 0x3L
109#define RSA_F4 0x10001L
110
111/* Don't check pub/private match. */
112#define RSA_METHOD_FLAG_NO_CHECK 0x0001
113
114#define RSA_FLAG_CACHE_PUBLIC 0x0002
115#define RSA_FLAG_CACHE_PRIVATE 0x0004
116#define RSA_FLAG_BLINDING 0x0008
117#define RSA_FLAG_THREAD_SAFE 0x0010
118
119/*
120 * This flag means the private key operations will be handled by rsa_mod_exp
121 * and that they do not depend on the private key components being present:
122 * for example a key stored in external hardware. Without this flag bn_mod_exp
123 * gets called when private key components are absent.
124 */
125#define RSA_FLAG_EXT_PKEY 0x0020
126
127/*
128 * This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions.
129 */
130#define RSA_FLAG_SIGN_VER 0x0040
131
132/*
133 * The built-in RSA implementation uses blinding by default, but other engines
134 * might not need it.
135 */
136#define RSA_FLAG_NO_BLINDING 0x0080
137
138/* Salt length matches digest */
139#define RSA_PSS_SALTLEN_DIGEST -1
140/* Verify only: auto detect salt length */
141#define RSA_PSS_SALTLEN_AUTO -2
142/* Set salt length to maximum possible */
143#define RSA_PSS_SALTLEN_MAX -3
144
145#define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \
146 RSA_pkey_ctx_ctrl(ctx, -1, EVP_PKEY_CTRL_RSA_PADDING, pad, NULL)
147
148#define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \
149 RSA_pkey_ctx_ctrl(ctx, -1, EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad)
150
151#define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \
152 RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
153 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL)
154
155#define EVP_PKEY_CTX_set_rsa_pss_keygen_saltlen(ctx, len) \
156 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \
157 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL)
158
159#define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \
160 RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
161 EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, 0, plen)
162
163#define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \
164 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \
165 EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL)
166
167#define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \
168 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \
169 EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp)
170
171#define EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md) \
172 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
173 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md))
174
175#define EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md(ctx, md) \
176 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \
177 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md))
178
179#define EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md) \
180 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
181 EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)(md))
182
183#define EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \
184 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
185 EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)(pmd))
186
187#define EVP_PKEY_CTX_get_rsa_oaep_md(ctx, pmd) \
188 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
189 EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)(pmd))
190
191#define EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, l, llen) \
192 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
193 EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen, (void *)(l))
194
195#define EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, l) \
196 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
197 EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0, (void *)(l))
198
199#define EVP_PKEY_CTX_set_rsa_pss_keygen_md(ctx, md) \
200 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, \
201 EVP_PKEY_OP_KEYGEN, EVP_PKEY_CTRL_MD, 0, (void *)(md))
202
203#define EVP_PKEY_CTRL_RSA_PADDING (EVP_PKEY_ALG_CTRL + 1)
204#define EVP_PKEY_CTRL_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 2)
205
206#define EVP_PKEY_CTRL_RSA_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 3)
207#define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4)
208#define EVP_PKEY_CTRL_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 5)
209
210#define EVP_PKEY_CTRL_GET_RSA_PADDING (EVP_PKEY_ALG_CTRL + 6)
211#define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 7)
212#define EVP_PKEY_CTRL_GET_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 8)
213
214#define EVP_PKEY_CTRL_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 9)
215#define EVP_PKEY_CTRL_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 10)
216
217#define EVP_PKEY_CTRL_GET_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 11)
218#define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12)
219
220#define RSA_PKCS1_PADDING 1
221#define RSA_SSLV23_PADDING 2
222#define RSA_NO_PADDING 3
223#define RSA_PKCS1_OAEP_PADDING 4
224/* rust-openssl and erlang expose this and salt even uses it. */
225#define RSA_X931_PADDING 5
226/* EVP_PKEY_ only */
227#define RSA_PKCS1_PSS_PADDING 6
228
229#define RSA_PKCS1_PADDING_SIZE 11
230
231#define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg)
232#define RSA_get_app_data(s) RSA_get_ex_data(s,0)
233
234RSA *RSA_new(void);
235RSA *RSA_new_method(ENGINE *engine);
236int RSA_bits(const RSA *rsa);
237int RSA_size(const RSA *rsa);
238
239/*
240 * Wrapped in OPENSSL_NO_DEPRECATED in 0.9.8. Still used for libressl bindings
241 * in rust-openssl.
242 */
243RSA *RSA_generate_key(int bits, unsigned long e,
244 void (*callback)(int, int, void *), void *cb_arg);
245
246/* New version */
247int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
248
249int RSA_check_key(const RSA *);
250/* next 4 return -1 on error */
251int RSA_public_encrypt(int flen, const unsigned char *from,
252 unsigned char *to, RSA *rsa, int padding);
253int RSA_private_encrypt(int flen, const unsigned char *from,
254 unsigned char *to, RSA *rsa, int padding);
255int RSA_public_decrypt(int flen, const unsigned char *from,
256 unsigned char *to, RSA *rsa, int padding);
257int RSA_private_decrypt(int flen, const unsigned char *from,
258 unsigned char *to, RSA *rsa, int padding);
259void RSA_free(RSA *r);
260/* "up" the RSA object's reference count */
261int RSA_up_ref(RSA *r);
262
263int RSA_flags(const RSA *r);
264
265void RSA_set_default_method(const RSA_METHOD *meth);
266const RSA_METHOD *RSA_get_default_method(void);
267const RSA_METHOD *RSA_get_method(const RSA *rsa);
268int RSA_set_method(RSA *rsa, const RSA_METHOD *meth);
269
270const RSA_METHOD *RSA_PKCS1_OpenSSL(void);
271const RSA_METHOD *RSA_PKCS1_SSLeay(void);
272
273int RSA_pkey_ctx_ctrl(EVP_PKEY_CTX *ctx, int optype, int cmd, int p1, void *p2);
274
275RSA *d2i_RSAPublicKey(RSA **a, const unsigned char **in, long len);
276int i2d_RSAPublicKey(const RSA *a, unsigned char **out);
277extern const ASN1_ITEM RSAPublicKey_it;
278RSA *d2i_RSAPrivateKey(RSA **a, const unsigned char **in, long len);
279int i2d_RSAPrivateKey(const RSA *a, unsigned char **out);
280extern const ASN1_ITEM RSAPrivateKey_it;
281
282RSA_PSS_PARAMS *RSA_PSS_PARAMS_new(void);
283void RSA_PSS_PARAMS_free(RSA_PSS_PARAMS *a);
284RSA_PSS_PARAMS *d2i_RSA_PSS_PARAMS(RSA_PSS_PARAMS **a, const unsigned char **in, long len);
285int i2d_RSA_PSS_PARAMS(RSA_PSS_PARAMS *a, unsigned char **out);
286extern const ASN1_ITEM RSA_PSS_PARAMS_it;
287
288RSA_OAEP_PARAMS *RSA_OAEP_PARAMS_new(void);
289void RSA_OAEP_PARAMS_free(RSA_OAEP_PARAMS *a);
290RSA_OAEP_PARAMS *d2i_RSA_OAEP_PARAMS(RSA_OAEP_PARAMS **a, const unsigned char **in, long len);
291int i2d_RSA_OAEP_PARAMS(RSA_OAEP_PARAMS *a, unsigned char **out);
292extern const ASN1_ITEM RSA_OAEP_PARAMS_it;
293
294int RSA_print_fp(FILE *fp, const RSA *r, int offset);
295
296#ifndef OPENSSL_NO_BIO
297int RSA_print(BIO *bp, const RSA *r, int offset);
298#endif
299
300/* The following 2 functions sign and verify a X509_SIG ASN1 object
301 * inside PKCS#1 padded RSA encryption */
302int RSA_sign(int type, const unsigned char *m, unsigned int m_length,
303 unsigned char *sigret, unsigned int *siglen, RSA *rsa);
304int RSA_verify(int type, const unsigned char *m, unsigned int m_length,
305 const unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
306
307/* The following 2 function sign and verify a ASN1_OCTET_STRING
308 * object inside PKCS#1 padded RSA encryption */
309int RSA_sign_ASN1_OCTET_STRING(int type, const unsigned char *m,
310 unsigned int m_length, unsigned char *sigret, unsigned int *siglen,
311 RSA *rsa);
312int RSA_verify_ASN1_OCTET_STRING(int type, const unsigned char *m,
313 unsigned int m_length, unsigned char *sigbuf, unsigned int siglen,
314 RSA *rsa);
315
316int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
317void RSA_blinding_off(RSA *rsa);
318
319int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen,
320 const unsigned char *f, int fl);
321int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
322 const unsigned char *f, int fl, int rsa_len);
323int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen,
324 const unsigned char *f, int fl);
325int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
326 const unsigned char *f, int fl, int rsa_len);
327int PKCS1_MGF1(unsigned char *mask, long len,
328 const unsigned char *seed, long seedlen, const EVP_MD *dgst);
329int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
330 const unsigned char *f, int fl,
331 const unsigned char *p, int pl);
332int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen,
333 const unsigned char *f, int fl, int rsa_len,
334 const unsigned char *p, int pl);
335int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
336 const unsigned char *from, int flen, const unsigned char *param, int plen,
337 const EVP_MD *md, const EVP_MD *mgf1md);
338int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
339 const unsigned char *from, int flen, int num, const unsigned char *param,
340 int plen, const EVP_MD *md, const EVP_MD *mgf1md);
341int RSA_padding_add_none(unsigned char *to, int tlen,
342 const unsigned char *f, int fl);
343int RSA_padding_check_none(unsigned char *to, int tlen,
344 const unsigned char *f, int fl, int rsa_len);
345
346int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
347 const EVP_MD *Hash, const unsigned char *EM, int sLen);
348int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
349 const unsigned char *mHash, const EVP_MD *Hash, int sLen);
350
351int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
352 const EVP_MD *Hash, const EVP_MD *mgf1Hash, const unsigned char *EM,
353 int sLen);
354
355int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
356 const unsigned char *mHash, const EVP_MD *Hash, const EVP_MD *mgf1Hash,
357 int sLen);
358
359int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
360 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
361int RSA_set_ex_data(RSA *r, int idx, void *arg);
362void *RSA_get_ex_data(const RSA *r, int idx);
363
364int RSA_security_bits(const RSA *rsa);
365
366void RSA_get0_key(const RSA *r, const BIGNUM **n, const BIGNUM **e,
367 const BIGNUM **d);
368int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d);
369void RSA_get0_crt_params(const RSA *r, const BIGNUM **dmp1, const BIGNUM **dmq1,
370 const BIGNUM **iqmp);
371int RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp);
372void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q);
373int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q);
374const BIGNUM *RSA_get0_n(const RSA *r);
375const BIGNUM *RSA_get0_e(const RSA *r);
376const BIGNUM *RSA_get0_d(const RSA *r);
377const BIGNUM *RSA_get0_p(const RSA *r);
378const BIGNUM *RSA_get0_q(const RSA *r);
379const BIGNUM *RSA_get0_dmp1(const RSA *r);
380const BIGNUM *RSA_get0_dmq1(const RSA *r);
381const BIGNUM *RSA_get0_iqmp(const RSA *r);
382const RSA_PSS_PARAMS *RSA_get0_pss_params(const RSA *r);
383void RSA_clear_flags(RSA *r, int flags);
384int RSA_test_flags(const RSA *r, int flags);
385void RSA_set_flags(RSA *r, int flags);
386
387RSA *RSAPublicKey_dup(RSA *rsa);
388RSA *RSAPrivateKey_dup(RSA *rsa);
389
390/* If this flag is set the RSA method is FIPS compliant and can be used
391 * in FIPS mode. This is set in the validated module method. If an
392 * application sets this flag in its own methods it is its responsibility
393 * to ensure the result is compliant.
394 */
395
396#define RSA_FLAG_FIPS_METHOD 0x0400
397
398/* If this flag is set the operations normally disabled in FIPS mode are
399 * permitted it is then the applications responsibility to ensure that the
400 * usage is compliant.
401 */
402
403#define RSA_FLAG_NON_FIPS_ALLOW 0x0400
404/* Application has decided PRNG is good enough to generate a key: don't
405 * check.
406 */
407#define RSA_FLAG_CHECKED 0x0800
408
409RSA_METHOD *RSA_meth_new(const char *name, int flags);
410void RSA_meth_free(RSA_METHOD *meth);
411RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth);
412int RSA_meth_set1_name(RSA_METHOD *meth, const char *name);
413int RSA_meth_set_priv_enc(RSA_METHOD *meth, int (*priv_enc)(int flen,
414 const unsigned char *from, unsigned char *to, RSA *rsa, int padding));
415int RSA_meth_set_priv_dec(RSA_METHOD *meth, int (*priv_dec)(int flen,
416 const unsigned char *from, unsigned char *to, RSA *rsa, int padding));
417int (*RSA_meth_get_finish(const RSA_METHOD *meth))(RSA *rsa);
418int RSA_meth_set_finish(RSA_METHOD *meth, int (*finish)(RSA *rsa));
419int RSA_meth_set_pub_enc(RSA_METHOD *meth, int (*pub_enc)(int flen,
420 const unsigned char *from, unsigned char *to, RSA *rsa, int padding));
421int RSA_meth_set_pub_dec(RSA_METHOD *meth, int (*pub_dec)(int flen,
422 const unsigned char *from, unsigned char *to, RSA *rsa, int padding));
423int RSA_meth_set_mod_exp(RSA_METHOD *meth, int (*mod_exp)(BIGNUM *r0,
424 const BIGNUM *i, RSA *rsa, BN_CTX *ctx));
425int RSA_meth_set_bn_mod_exp(RSA_METHOD *meth, int (*bn_mod_exp)(BIGNUM *r,
426 const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
427 BN_MONT_CTX *m_ctx));
428int RSA_meth_set_init(RSA_METHOD *meth, int (*init)(RSA *rsa));
429int RSA_meth_set_keygen(RSA_METHOD *meth, int (*keygen)(RSA *rsa, int bits,
430 BIGNUM *e, BN_GENCB *cb));
431int RSA_meth_set_flags(RSA_METHOD *meth, int flags);
432int RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data);
433const char *RSA_meth_get0_name(const RSA_METHOD *);
434int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth))(int flen,
435 const unsigned char *from, unsigned char *to, RSA *rsa, int padding);
436int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth))(int flen,
437 const unsigned char *from, unsigned char *to, RSA *rsa, int padding);
438int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth))(int flen,
439 const unsigned char *from, unsigned char *to, RSA *rsa, int padding);
440int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth))(int flen,
441 const unsigned char *from, unsigned char *to, RSA *rsa, int padding);
442int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth))(BIGNUM *r0, const BIGNUM *i,
443 RSA *rsa, BN_CTX *ctx);
444int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth))(BIGNUM *r,
445 const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
446 BN_MONT_CTX *m_ctx);
447int (*RSA_meth_get_init(const RSA_METHOD *meth))(RSA *rsa);
448int (*RSA_meth_get_keygen(const RSA_METHOD *meth))(RSA *rsa, int bits, BIGNUM *e,
449 BN_GENCB *cb);
450int RSA_meth_get_flags(const RSA_METHOD *meth);
451void *RSA_meth_get0_app_data(const RSA_METHOD *meth);
452int (*RSA_meth_get_sign(const RSA_METHOD *meth))(int type,
453 const unsigned char *m, unsigned int m_length,
454 unsigned char *sigret, unsigned int *siglen,
455 const RSA *rsa);
456int RSA_meth_set_sign(RSA_METHOD *rsa, int (*sign)(int type,
457 const unsigned char *m, unsigned int m_length, unsigned char *sigret,
458 unsigned int *siglen, const RSA *rsa));
459int (*RSA_meth_get_verify(const RSA_METHOD *meth))(int dtype,
460 const unsigned char *m, unsigned int m_length, const unsigned char *sigbuf,
461 unsigned int siglen, const RSA *rsa);
462int RSA_meth_set_verify(RSA_METHOD *rsa, int (*verify)(int dtype,
463 const unsigned char *m, unsigned int m_length, const unsigned char *sigbuf,
464 unsigned int siglen, const RSA *rsa));
465
466
467void ERR_load_RSA_strings(void);
468
469/* Error codes for the RSA functions. */
470
471/* Function codes. */
472#define RSA_F_CHECK_PADDING_MD 140
473#define RSA_F_DO_RSA_PRINT 146
474#define RSA_F_INT_RSA_VERIFY 145
475#define RSA_F_MEMORY_LOCK 100
476#define RSA_F_OLD_RSA_PRIV_DECODE 147
477#define RSA_F_PKEY_RSA_CTRL 143
478#define RSA_F_PKEY_RSA_CTRL_STR 144
479#define RSA_F_PKEY_RSA_SIGN 142
480#define RSA_F_PKEY_RSA_VERIFY 154
481#define RSA_F_PKEY_RSA_VERIFYRECOVER 141
482#define RSA_F_RSA_BUILTIN_KEYGEN 129
483#define RSA_F_RSA_CHECK_KEY 123
484#define RSA_F_RSA_EAY_MOD_EXP 157
485#define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101
486#define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102
487#define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103
488#define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104
489#define RSA_F_RSA_GENERATE_KEY 105
490#define RSA_F_RSA_GENERATE_KEY_EX 155
491#define RSA_F_RSA_ITEM_VERIFY 156
492#define RSA_F_RSA_MEMORY_LOCK 130
493#define RSA_F_RSA_NEW_METHOD 106
494#define RSA_F_RSA_NULL 124
495#define RSA_F_RSA_NULL_MOD_EXP 131
496#define RSA_F_RSA_NULL_PRIVATE_DECRYPT 132
497#define RSA_F_RSA_NULL_PRIVATE_ENCRYPT 133
498#define RSA_F_RSA_NULL_PUBLIC_DECRYPT 134
499#define RSA_F_RSA_NULL_PUBLIC_ENCRYPT 135
500#define RSA_F_RSA_PADDING_ADD_NONE 107
501#define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121
502#define RSA_F_RSA_PADDING_ADD_PKCS1_PSS 125
503#define RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1 148
504#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108
505#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109
506#define RSA_F_RSA_PADDING_ADD_X931 127
507#define RSA_F_RSA_PADDING_CHECK_NONE 111
508#define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122
509#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112
510#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113
511#define RSA_F_RSA_PADDING_CHECK_X931 128
512#define RSA_F_RSA_PRINT 115
513#define RSA_F_RSA_PRINT_FP 116
514#define RSA_F_RSA_PRIVATE_DECRYPT 150
515#define RSA_F_RSA_PRIVATE_ENCRYPT 151
516#define RSA_F_RSA_PRIV_DECODE 137
517#define RSA_F_RSA_PRIV_ENCODE 138
518#define RSA_F_RSA_PUBLIC_DECRYPT 152
519#define RSA_F_RSA_PUBLIC_ENCRYPT 153
520#define RSA_F_RSA_PUB_DECODE 139
521#define RSA_F_RSA_SETUP_BLINDING 136
522#define RSA_F_RSA_SIGN 117
523#define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118
524#define RSA_F_RSA_VERIFY 119
525#define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120
526#define RSA_F_RSA_VERIFY_PKCS1_PSS 126
527#define RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1 149
528
529/* Reason codes. */
530#define RSA_R_ALGORITHM_MISMATCH 100
531#define RSA_R_BAD_E_VALUE 101
532#define RSA_R_BAD_FIXED_HEADER_DECRYPT 102
533#define RSA_R_BAD_PAD_BYTE_COUNT 103
534#define RSA_R_BAD_SIGNATURE 104
535#define RSA_R_BLOCK_TYPE_IS_NOT_01 106
536#define RSA_R_BLOCK_TYPE_IS_NOT_02 107
537#define RSA_R_DATA_GREATER_THAN_MOD_LEN 108
538#define RSA_R_DATA_TOO_LARGE 109
539#define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110
540#define RSA_R_DATA_TOO_LARGE_FOR_MODULUS 132
541#define RSA_R_DATA_TOO_SMALL 111
542#define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122
543#define RSA_R_DIGEST_DOES_NOT_MATCH 158
544#define RSA_R_DIGEST_NOT_ALLOWED 145
545#define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112
546#define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124
547#define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125
548#define RSA_R_D_E_NOT_CONGRUENT_TO_1 123
549#define RSA_R_FIRST_OCTET_INVALID 133
550#define RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE 144
551#define RSA_R_INVALID_DIGEST 157
552#define RSA_R_INVALID_DIGEST_LENGTH 143
553#define RSA_R_INVALID_HEADER 137
554#define RSA_R_INVALID_KEYBITS 145
555#define RSA_R_INVALID_LABEL 160
556#define RSA_R_INVALID_MESSAGE_LENGTH 131
557#define RSA_R_INVALID_MGF1_MD 156
558#define RSA_R_INVALID_OAEP_PARAMETERS 161
559#define RSA_R_INVALID_PADDING 138
560#define RSA_R_INVALID_PADDING_MODE 141
561#define RSA_R_INVALID_PSS_PARAMETERS 149
562#define RSA_R_INVALID_PSS_SALTLEN 146
563#define RSA_R_INVALID_SALT_LENGTH 150
564#define RSA_R_INVALID_TRAILER 139
565#define RSA_R_INVALID_X931_DIGEST 142
566#define RSA_R_IQMP_NOT_INVERSE_OF_Q 126
567#define RSA_R_KEY_SIZE_TOO_SMALL 120
568#define RSA_R_LAST_OCTET_INVALID 134
569#define RSA_R_MODULUS_TOO_LARGE 105
570#define RSA_R_MGF1_DIGEST_NOT_ALLOWED 152
571#define RSA_R_NON_FIPS_RSA_METHOD 157
572#define RSA_R_NO_PUBLIC_EXPONENT 140
573#define RSA_R_NULL_BEFORE_BLOCK_MISSING 113
574#define RSA_R_N_DOES_NOT_EQUAL_P_Q 127
575#define RSA_R_OAEP_DECODING_ERROR 121
576#define RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE 158
577#define RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE 148
578#define RSA_R_PADDING_CHECK_FAILED 114
579#define RSA_R_PSS_SALTLEN_TOO_SMALL 164
580#define RSA_R_P_NOT_PRIME 128
581#define RSA_R_Q_NOT_PRIME 129
582#define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130
583#define RSA_R_SLEN_CHECK_FAILED 136
584#define RSA_R_SLEN_RECOVERY_FAILED 135
585#define RSA_R_SSLV3_ROLLBACK_ATTACK 115
586#define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
587#define RSA_R_UNKNOWN_ALGORITHM_TYPE 117
588#define RSA_R_UNKNOWN_DIGEST 166
589#define RSA_R_UNKNOWN_MASK_DIGEST 151
590#define RSA_R_UNKNOWN_PADDING_TYPE 118
591#define RSA_R_UNKNOWN_PSS_DIGEST 152
592#define RSA_R_UNSUPPORTED_ENCRYPTION_TYPE 162
593#define RSA_R_UNSUPPORTED_LABEL_SOURCE 163
594#define RSA_R_UNSUPPORTED_MASK_ALGORITHM 153
595#define RSA_R_UNSUPPORTED_MASK_PARAMETER 154
596#define RSA_R_UNSUPPORTED_SIGNATURE_TYPE 155
597#define RSA_R_VALUE_MISSING 147
598#define RSA_R_WRONG_SIGNATURE_LENGTH 119
599
600#ifdef __cplusplus
601}
602#endif
603#endif
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-05-06 21:49:03 +0000