/src/openssl/crypto/rsa/rsa_meth.c

Source (jump to first uncovered line)
/*
 * Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

/*
 * RSA low level APIs are deprecated for public use, but still ok for
 * internal use.
 */
#include "internal/deprecated.h"

#include <string.h>
#include "rsa_local.h"
#include <openssl/err.h>

RSA_METHOD *RSA_meth_new(const char *name, int flags)
{
    RSA_METHOD *meth = OPENSSL_zalloc(sizeof(*meth));

    if (meth != NULL) {
        meth->flags = flags;

        meth->name = OPENSSL_strdup(name);
        if (meth->name != NULL)
            return meth;

        OPENSSL_free(meth);
    }

    ERR_raise(ERR_LIB_RSA, ERR_R_MALLOC_FAILURE);
    return NULL;
}

void RSA_meth_free(RSA_METHOD *meth)
{
    if (meth != NULL) {
        OPENSSL_free(meth->name);
        OPENSSL_free(meth);
    }
}

RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth)
{
    RSA_METHOD *ret = OPENSSL_malloc(sizeof(*ret));

    if (ret != NULL) {
        memcpy(ret, meth, sizeof(*meth));

        ret->name = OPENSSL_strdup(meth->name);
        if (ret->name != NULL)
            return ret;

        OPENSSL_free(ret);
    }

    ERR_raise(ERR_LIB_RSA, ERR_R_MALLOC_FAILURE);
    return NULL;
}

const char *RSA_meth_get0_name(const RSA_METHOD *meth)
{
    return meth->name;
}

int RSA_meth_set1_name(RSA_METHOD *meth, const char *name)
{
    char *tmpname = OPENSSL_strdup(name);

    if (tmpname == NULL) {
        ERR_raise(ERR_LIB_RSA, ERR_R_MALLOC_FAILURE);
        return 0;
    }

    OPENSSL_free(meth->name);
    meth->name = tmpname;

    return 1;
}

int RSA_meth_get_flags(const RSA_METHOD *meth)
{
    return meth->flags;
}

int RSA_meth_set_flags(RSA_METHOD *meth, int flags)
{
    meth->flags = flags;
    return 1;
}

void *RSA_meth_get0_app_data(const RSA_METHOD *meth)
{
    return meth->app_data;
}

int RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data)
{
    meth->app_data = app_data;
    return 1;
}

int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth))
    (int flen, const unsigned char *from,
     unsigned char *to, RSA *rsa, int padding)
{
    return meth->rsa_pub_enc;
}

int RSA_meth_set_pub_enc(RSA_METHOD *meth,
                         int (*pub_enc) (int flen, const unsigned char *from,
                                         unsigned char *to, RSA *rsa,
                                         int padding))
{
    meth->rsa_pub_enc = pub_enc;
    return 1;
}

int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth))
    (int flen, const unsigned char *from,
     unsigned char *to, RSA *rsa, int padding)
{
    return meth->rsa_pub_dec;
}

int RSA_meth_set_pub_dec(RSA_METHOD *meth,
                         int (*pub_dec) (int flen, const unsigned char *from,
                                         unsigned char *to, RSA *rsa,
                                         int padding))
{
    meth->rsa_pub_dec = pub_dec;
    return 1;
}

int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth))
    (int flen, const unsigned char *from,
     unsigned char *to, RSA *rsa, int padding)
{
    return meth->rsa_priv_enc;
}

int RSA_meth_set_priv_enc(RSA_METHOD *meth,
                          int (*priv_enc) (int flen, const unsigned char *from,
                                           unsigned char *to, RSA *rsa,
                                           int padding))
{
    meth->rsa_priv_enc = priv_enc;
    return 1;
}

int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth))
    (int flen, const unsigned char *from,
     unsigned char *to, RSA *rsa, int padding)
{
    return meth->rsa_priv_dec;
}

int RSA_meth_set_priv_dec(RSA_METHOD *meth,
                          int (*priv_dec) (int flen, const unsigned char *from,
                                           unsigned char *to, RSA *rsa,
                                           int padding))
{
    meth->rsa_priv_dec = priv_dec;
    return 1;
}

    /* Can be null */
int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth))
    (BIGNUM *r0, const BIGNUM *i, RSA *rsa, BN_CTX *ctx)
{
    return meth->rsa_mod_exp;
}

int RSA_meth_set_mod_exp(RSA_METHOD *meth,
                         int (*mod_exp) (BIGNUM *r0, const BIGNUM *i, RSA *rsa,
                                         BN_CTX *ctx))
{
    meth->rsa_mod_exp = mod_exp;
    return 1;
}

    /* Can be null */
int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth))
    (BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
     const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
{
    return meth->bn_mod_exp;
}

int RSA_meth_set_bn_mod_exp(RSA_METHOD *meth,
                            int (*bn_mod_exp) (BIGNUM *r,
                                               const BIGNUM *a,
                                               const BIGNUM *p,
                                               const BIGNUM *m,
                                               BN_CTX *ctx,
                                               BN_MONT_CTX *m_ctx))
{
    meth->bn_mod_exp = bn_mod_exp;
    return 1;
}

    /* called at new */
int (*RSA_meth_get_init(const RSA_METHOD *meth)) (RSA *rsa)
{
    return meth->init;
}

int RSA_meth_set_init(RSA_METHOD *meth, int (*init) (RSA *rsa))
{
    meth->init = init;
    return 1;
}

    /* called at free */
int (*RSA_meth_get_finish(const RSA_METHOD *meth)) (RSA *rsa)
{
    return meth->finish;
}

int RSA_meth_set_finish(RSA_METHOD *meth, int (*finish) (RSA *rsa))
{
    meth->finish = finish;
    return 1;
}

int (*RSA_meth_get_sign(const RSA_METHOD *meth))
    (int type,
     const unsigned char *m, unsigned int m_length,
     unsigned char *sigret, unsigned int *siglen,
     const RSA *rsa)
{
    return meth->rsa_sign;
}

int RSA_meth_set_sign(RSA_METHOD *meth,
                      int (*sign) (int type, const unsigned char *m,
                                   unsigned int m_length,
                                   unsigned char *sigret, unsigned int *siglen,
                                   const RSA *rsa))
{
    meth->rsa_sign = sign;
    return 1;
}

int (*RSA_meth_get_verify(const RSA_METHOD *meth))
    (int dtype, const unsigned char *m,
     unsigned int m_length, const unsigned char *sigbuf,
     unsigned int siglen, const RSA *rsa)
{
    return meth->rsa_verify;
}

int RSA_meth_set_verify(RSA_METHOD *meth,
                        int (*verify) (int dtype, const unsigned char *m,
                                       unsigned int m_length,
                                       const unsigned char *sigbuf,
                                       unsigned int siglen, const RSA *rsa))
{
    meth->rsa_verify = verify;
    return 1;
}

int (*RSA_meth_get_keygen(const RSA_METHOD *meth))
    (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb)
{
    return meth->rsa_keygen;
}

int RSA_meth_set_keygen(RSA_METHOD *meth,
                        int (*keygen) (RSA *rsa, int bits, BIGNUM *e,
                                       BN_GENCB *cb))
{
    meth->rsa_keygen = keygen;
    return 1;
}

int (*RSA_meth_get_multi_prime_keygen(const RSA_METHOD *meth))
    (RSA *rsa, int bits, int primes, BIGNUM *e, BN_GENCB *cb)
{
    return meth->rsa_multi_prime_keygen;
}

int RSA_meth_set_multi_prime_keygen(RSA_METHOD *meth,
                                    int (*keygen) (RSA *rsa, int bits,
                                                   int primes, BIGNUM *e,
                                                   BN_GENCB *cb))
{
    meth->rsa_multi_prime_keygen = keygen;
    return 1;
}

Coverage Report

Created: 2025-04-22 06:18

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 2016-2020 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		/*
11		* RSA low level APIs are deprecated for public use, but still ok for
12		* internal use.
13		*/
14		#include "internal/deprecated.h"
15
16		#include <string.h>
17		#include "rsa_local.h"
18		#include <openssl/err.h>
19
20		RSA_METHOD RSA_meth_new(const char name, int flags)
21	0	{
22	0	RSA_METHOD meth = OPENSSL_zalloc(sizeof(meth));
23
24	0	if (meth != NULL) {
25	0	meth->flags = flags;
26
27	0	meth->name = OPENSSL_strdup(name);
28	0	if (meth->name != NULL)
29	0	return meth;
30
31	0	OPENSSL_free(meth);
32	0	}
33
34	0	ERR_raise(ERR_LIB_RSA, ERR_R_MALLOC_FAILURE);
35	0	return NULL;
36	0	}
37
38		void RSA_meth_free(RSA_METHOD *meth)
39	0	{
40	0	if (meth != NULL) {
41	0	OPENSSL_free(meth->name);
42	0	OPENSSL_free(meth);
43	0	}
44	0	}
45
46		RSA_METHOD RSA_meth_dup(const RSA_METHOD meth)
47	0	{
48	0	RSA_METHOD ret = OPENSSL_malloc(sizeof(ret));
49
50	0	if (ret != NULL) {
51	0	memcpy(ret, meth, sizeof(*meth));
52
53	0	ret->name = OPENSSL_strdup(meth->name);
54	0	if (ret->name != NULL)
55	0	return ret;
56
57	0	OPENSSL_free(ret);
58	0	}
59
60	0	ERR_raise(ERR_LIB_RSA, ERR_R_MALLOC_FAILURE);
61	0	return NULL;
62	0	}
63
64		const char RSA_meth_get0_name(const RSA_METHOD meth)
65	0	{
66	0	return meth->name;
67	0	}
68
69		int RSA_meth_set1_name(RSA_METHOD meth, const char name)
70	0	{
71	0	char *tmpname = OPENSSL_strdup(name);
72
73	0	if (tmpname == NULL) {
74	0	ERR_raise(ERR_LIB_RSA, ERR_R_MALLOC_FAILURE);
75	0	return 0;
76	0	}
77
78	0	OPENSSL_free(meth->name);
79	0	meth->name = tmpname;
80
81	0	return 1;
82	0	}
83
84		int RSA_meth_get_flags(const RSA_METHOD *meth)
85	0	{
86	0	return meth->flags;
87	0	}
88
89		int RSA_meth_set_flags(RSA_METHOD *meth, int flags)
90	0	{
91	0	meth->flags = flags;
92	0	return 1;
93	0	}
94
95		void RSA_meth_get0_app_data(const RSA_METHOD meth)
96	0	{
97	0	return meth->app_data;
98	0	}
99
100		int RSA_meth_set0_app_data(RSA_METHOD meth, void app_data)
101	0	{
102	0	meth->app_data = app_data;
103	0	return 1;
104	0	}
105
106		int (RSA_meth_get_pub_enc(const RSA_METHOD meth))
107		(int flen, const unsigned char *from,
108		unsigned char to, RSA rsa, int padding)
109	0	{
110	0	return meth->rsa_pub_enc;
111	0	}
112
113		int RSA_meth_set_pub_enc(RSA_METHOD *meth,
114		int (pub_enc) (int flen, const unsigned char from,
115		unsigned char to, RSA rsa,
116		int padding))
117	0	{
118	0	meth->rsa_pub_enc = pub_enc;
119	0	return 1;
120	0	}
121
122		int (RSA_meth_get_pub_dec(const RSA_METHOD meth))
123		(int flen, const unsigned char *from,
124		unsigned char to, RSA rsa, int padding)
125	0	{
126	0	return meth->rsa_pub_dec;
127	0	}
128
129		int RSA_meth_set_pub_dec(RSA_METHOD *meth,
130		int (pub_dec) (int flen, const unsigned char from,
131		unsigned char to, RSA rsa,
132		int padding))
133	0	{
134	0	meth->rsa_pub_dec = pub_dec;
135	0	return 1;
136	0	}
137
138		int (RSA_meth_get_priv_enc(const RSA_METHOD meth))
139		(int flen, const unsigned char *from,
140		unsigned char to, RSA rsa, int padding)
141	0	{
142	0	return meth->rsa_priv_enc;
143	0	}
144
145		int RSA_meth_set_priv_enc(RSA_METHOD *meth,
146		int (priv_enc) (int flen, const unsigned char from,
147		unsigned char to, RSA rsa,
148		int padding))
149	0	{
150	0	meth->rsa_priv_enc = priv_enc;
151	0	return 1;
152	0	}
153
154		int (RSA_meth_get_priv_dec(const RSA_METHOD meth))
155		(int flen, const unsigned char *from,
156		unsigned char to, RSA rsa, int padding)
157	0	{
158	0	return meth->rsa_priv_dec;
159	0	}
160
161		int RSA_meth_set_priv_dec(RSA_METHOD *meth,
162		int (priv_dec) (int flen, const unsigned char from,
163		unsigned char to, RSA rsa,
164		int padding))
165	0	{
166	0	meth->rsa_priv_dec = priv_dec;
167	0	return 1;
168	0	}
169
170		/* Can be null */
171		int (RSA_meth_get_mod_exp(const RSA_METHOD meth))
172		(BIGNUM r0, const BIGNUM i, RSA rsa, BN_CTX ctx)
173	0	{
174	0	return meth->rsa_mod_exp;
175	0	}
176
177		int RSA_meth_set_mod_exp(RSA_METHOD *meth,
178		int (mod_exp) (BIGNUM r0, const BIGNUM i, RSA rsa,
179		BN_CTX *ctx))
180	0	{
181	0	meth->rsa_mod_exp = mod_exp;
182	0	return 1;
183	0	}
184
185		/* Can be null */
186		int (RSA_meth_get_bn_mod_exp(const RSA_METHOD meth))
187		(BIGNUM r, const BIGNUM a, const BIGNUM *p,
188		const BIGNUM m, BN_CTX ctx, BN_MONT_CTX *m_ctx)
189	0	{
190	0	return meth->bn_mod_exp;
191	0	}
192
193		int RSA_meth_set_bn_mod_exp(RSA_METHOD *meth,
194		int (bn_mod_exp) (BIGNUM r,
195		const BIGNUM *a,
196		const BIGNUM *p,
197		const BIGNUM *m,
198		BN_CTX *ctx,
199		BN_MONT_CTX *m_ctx))
200	0	{
201	0	meth->bn_mod_exp = bn_mod_exp;
202	0	return 1;
203	0	}
204
205		/* called at new */
206		int (RSA_meth_get_init(const RSA_METHOD meth)) (RSA *rsa)
207	0	{
208	0	return meth->init;
209	0	}
210
211		int RSA_meth_set_init(RSA_METHOD meth, int (init) (RSA *rsa))
212	0	{
213	0	meth->init = init;
214	0	return 1;
215	0	}
216
217		/* called at free */
218		int (RSA_meth_get_finish(const RSA_METHOD meth)) (RSA *rsa)
219	0	{
220	0	return meth->finish;
221	0	}
222
223		int RSA_meth_set_finish(RSA_METHOD meth, int (finish) (RSA *rsa))
224	0	{
225	0	meth->finish = finish;
226	0	return 1;
227	0	}
228
229		int (RSA_meth_get_sign(const RSA_METHOD meth))
230		(int type,
231		const unsigned char *m, unsigned int m_length,
232		unsigned char sigret, unsigned int siglen,
233		const RSA *rsa)
234	0	{
235	0	return meth->rsa_sign;
236	0	}
237
238		int RSA_meth_set_sign(RSA_METHOD *meth,
239		int (sign) (int type, const unsigned char m,
240		unsigned int m_length,
241		unsigned char sigret, unsigned int siglen,
242		const RSA *rsa))
243	0	{
244	0	meth->rsa_sign = sign;
245	0	return 1;
246	0	}
247
248		int (RSA_meth_get_verify(const RSA_METHOD meth))
249		(int dtype, const unsigned char *m,
250		unsigned int m_length, const unsigned char *sigbuf,
251		unsigned int siglen, const RSA *rsa)
252	0	{
253	0	return meth->rsa_verify;
254	0	}
255
256		int RSA_meth_set_verify(RSA_METHOD *meth,
257		int (verify) (int dtype, const unsigned char m,
258		unsigned int m_length,
259		const unsigned char *sigbuf,
260		unsigned int siglen, const RSA *rsa))
261	0	{
262	0	meth->rsa_verify = verify;
263	0	return 1;
264	0	}
265
266		int (RSA_meth_get_keygen(const RSA_METHOD meth))
267		(RSA rsa, int bits, BIGNUM e, BN_GENCB *cb)
268	0	{
269	0	return meth->rsa_keygen;
270	0	}
271
272		int RSA_meth_set_keygen(RSA_METHOD *meth,
273		int (keygen) (RSA rsa, int bits, BIGNUM *e,
274		BN_GENCB *cb))
275	0	{
276	0	meth->rsa_keygen = keygen;
277	0	return 1;
278	0	}
279
280		int (RSA_meth_get_multi_prime_keygen(const RSA_METHOD meth))
281		(RSA rsa, int bits, int primes, BIGNUM e, BN_GENCB *cb)
282	0	{
283	0	return meth->rsa_multi_prime_keygen;
284	0	}
285
286		int RSA_meth_set_multi_prime_keygen(RSA_METHOD *meth,
287		int (keygen) (RSA rsa, int bits,
288		int primes, BIGNUM *e,
289		BN_GENCB *cb))
290	0	{
291	0	meth->rsa_multi_prime_keygen = keygen;
292	0	return 1;
293	0	}