/src/openssl/providers/implementations/ciphers/cipher_rc2.c

Source (jump to first uncovered line)
/*
 * Copyright 2019-2023 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
 */

/* Dispatch functions for RC2 cipher modes ecb, cbc, ofb, cfb */

/*
 * RC2 low level APIs are deprecated for public use, but still ok for internal
 * use.
 */
#include "internal/deprecated.h"

#include <openssl/proverr.h>
#include "cipher_rc2.h"
#include "prov/implementations.h"
#include "prov/providercommon.h"

#define RC2_40_MAGIC    0xa0
#define RC2_64_MAGIC    0x78
#define RC2_128_MAGIC   0x3a
#define RC2_FLAGS       PROV_CIPHER_FLAG_VARIABLE_LENGTH

static OSSL_FUNC_cipher_encrypt_init_fn rc2_einit;
static OSSL_FUNC_cipher_decrypt_init_fn rc2_dinit;
static OSSL_FUNC_cipher_freectx_fn rc2_freectx;
static OSSL_FUNC_cipher_dupctx_fn rc2_dupctx;
static OSSL_FUNC_cipher_gettable_ctx_params_fn rc2_gettable_ctx_params;
static OSSL_FUNC_cipher_settable_ctx_params_fn rc2_settable_ctx_params;
static OSSL_FUNC_cipher_set_ctx_params_fn rc2_set_ctx_params;

static void rc2_freectx(void *vctx)
{
    PROV_RC2_CTX *ctx = (PROV_RC2_CTX *)vctx;

    ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
    OPENSSL_clear_free(ctx,  sizeof(*ctx));
}

static void *rc2_dupctx(void *ctx)
{
    PROV_RC2_CTX *in = (PROV_RC2_CTX *)ctx;
    PROV_RC2_CTX *ret;

    if (!ossl_prov_is_running())
        return NULL;

    ret = OPENSSL_malloc(sizeof(*ret));
    if (ret == NULL)
        return NULL;
    *ret = *in;

    return ret;
}

static int rc2_keybits_to_magic(int keybits)
{
    switch (keybits) {
    case 128:
        return RC2_128_MAGIC;
    case 64:
        return RC2_64_MAGIC;
    case 40:
        return RC2_40_MAGIC;
    }
    ERR_raise(ERR_LIB_PROV, PROV_R_UNSUPPORTED_KEY_SIZE);
    return 0;
}

static int rc2_magic_to_keybits(int magic)
{
    switch (magic) {
    case RC2_128_MAGIC:
        return 128;
    case RC2_64_MAGIC:
        return 64;
    case RC2_40_MAGIC:
        return 40;
    }
    ERR_raise(ERR_LIB_PROV, PROV_R_UNSUPPORTED_KEY_SIZE);
    return 0;
}

static int rc2_einit(void *ctx, const unsigned char *key, size_t keylen,
                          const unsigned char *iv, size_t ivlen,
                          const OSSL_PARAM params[])
{
    if (!ossl_cipher_generic_einit(ctx, key, keylen, iv, ivlen, NULL))
        return 0;
    return rc2_set_ctx_params(ctx, params);
}

static int rc2_dinit(void *ctx, const unsigned char *key, size_t keylen,
                          const unsigned char *iv, size_t ivlen,
                          const OSSL_PARAM params[])
{
    if (!ossl_cipher_generic_dinit(ctx, key, keylen, iv, ivlen, NULL))
        return 0;
    return rc2_set_ctx_params(ctx, params);
}

static int rc2_get_ctx_params(void *vctx, OSSL_PARAM params[])
{
    PROV_RC2_CTX *ctx = (PROV_RC2_CTX *)vctx;
    OSSL_PARAM *p;

    if (!ossl_cipher_generic_get_ctx_params(vctx, params))
        return 0;
    p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_RC2_KEYBITS);
    if (p != NULL && !OSSL_PARAM_set_size_t(p, ctx->key_bits)) {
        ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
        return 0;
    }
    p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_ALGORITHM_ID_PARAMS);
    if (p != NULL) {
        long num;
        int i;
        ASN1_TYPE *type;
        unsigned char *d = p->data;
        unsigned char **dd = d == NULL ? NULL : &d;

        if (p->data_type != OSSL_PARAM_OCTET_STRING) {
            ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
            return 0;
        }
        if ((type = ASN1_TYPE_new()) == NULL) {
            ERR_raise(ERR_LIB_PROV, ERR_R_ASN1_LIB);
            return 0;
        }

        /* Is this the original IV or the running IV? */
        num = rc2_keybits_to_magic(ctx->key_bits);
        if (!ASN1_TYPE_set_int_octetstring(type, num,
                                           ctx->base.iv, ctx->base.ivlen)) {
            ASN1_TYPE_free(type);
            ERR_raise(ERR_LIB_PROV, ERR_R_ASN1_LIB);
            return 0;
        }
        /*
         * IF the caller has a buffer, we pray to the gods they got the
         * size right.  There's no way to tell the i2d functions...
         */
        i = i2d_ASN1_TYPE(type, dd);
        if (i >= 0)
            p->return_size = (size_t)i;

        ASN1_TYPE_free(type);
        if (i < 0) {
            ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
            return 0;
        }
    }
    return 1;
}

static int rc2_set_ctx_params(void *vctx, const OSSL_PARAM params[])
{
    PROV_RC2_CTX *ctx = (PROV_RC2_CTX *)vctx;
    const OSSL_PARAM *p;

    if (params == NULL)
        return 1;

    if (!ossl_cipher_var_keylen_set_ctx_params(vctx, params))
        return 0;
    p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_RC2_KEYBITS);
    if (p != NULL) {
         if (!OSSL_PARAM_get_size_t(p, &ctx->key_bits)) {
            ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
            return 0;
        }
    }
    p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_ALGORITHM_ID_PARAMS);
    if (p != NULL) {
        ASN1_TYPE *type = NULL;
        long num = 0;
        const unsigned char *d = p->data;
        int ret = 1;
        unsigned char iv[16];

        if (p->data_type != OSSL_PARAM_OCTET_STRING
            || ctx->base.ivlen > sizeof(iv)
            || (type = d2i_ASN1_TYPE(NULL, &d, p->data_size)) == NULL
            || ((size_t)ASN1_TYPE_get_int_octetstring(type, &num, iv,
                                                      ctx->base.ivlen)
                != ctx->base.ivlen)
            || !ossl_cipher_generic_initiv(&ctx->base, iv, ctx->base.ivlen)
            || (ctx->key_bits = rc2_magic_to_keybits(num)) == 0) {
            ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
            ret = 0;
        }
        ASN1_TYPE_free(type);
        if (ret == 0)
            return 0;
        /*
         * This code assumes that the caller will call
         * EVP_CipherInit_ex() with a non NULL key in order to setup a key that
         * uses the keylen and keybits that were set here.
         */
        ctx->base.keylen = ctx->key_bits / 8;
    }
    return 1;
}

CIPHER_DEFAULT_GETTABLE_CTX_PARAMS_START(rc2)
OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_RC2_KEYBITS, NULL),
OSSL_PARAM_octet_string(OSSL_CIPHER_PARAM_ALGORITHM_ID_PARAMS, NULL, 0),
CIPHER_DEFAULT_GETTABLE_CTX_PARAMS_END(rc2)

CIPHER_DEFAULT_SETTABLE_CTX_PARAMS_START(rc2)
OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_KEYLEN, NULL),
OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_RC2_KEYBITS, NULL),
OSSL_PARAM_octet_string(OSSL_CIPHER_PARAM_ALGORITHM_ID_PARAMS, NULL, 0),
CIPHER_DEFAULT_SETTABLE_CTX_PARAMS_END(rc2)

#define IMPLEMENT_cipher(alg, UCALG, lcmode, UCMODE, flags, kbits, blkbits,    \
                         ivbits, typ)                                          \
static OSSL_FUNC_cipher_get_params_fn alg##_##kbits##_##lcmode##_get_params;   \
static int alg##_##kbits##_##lcmode##_get_params(OSSL_PARAM params[])          \
{                                                                              \
    return ossl_cipher_generic_get_params(params, EVP_CIPH_##UCMODE##_MODE,    \
                                          flags, kbits, blkbits, ivbits);      \
}                                                                              \
static OSSL_FUNC_cipher_newctx_fn alg##_##kbits##_##lcmode##_newctx;           \
static void *alg##_##kbits##_##lcmode##_newctx(void *provctx)                  \
{                                                                              \
     PROV_##UCALG##_CTX *ctx;                                                  \
     if (!ossl_prov_is_running())                                              \
        return NULL;                                                           \
     ctx = OPENSSL_zalloc(sizeof(*ctx));                                       \
     if (ctx != NULL) {                                                        \
         ossl_cipher_generic_initkey(ctx, kbits, blkbits, ivbits,              \
                                EVP_CIPH_##UCMODE##_MODE, flags,               \
                                ossl_prov_cipher_hw_##alg##_##lcmode(kbits),   \
                                NULL);                                         \
         ctx->key_bits = kbits;                                                \
     }                                                                         \
     return ctx;                                                               \
}                                                                              \
const OSSL_DISPATCH ossl_##alg##kbits##lcmode##_functions[] = {                \
    { OSSL_FUNC_CIPHER_NEWCTX,                                                 \
      (void (*)(void)) alg##_##kbits##_##lcmode##_newctx },                    \
    { OSSL_FUNC_CIPHER_FREECTX, (void (*)(void)) alg##_freectx },              \
    { OSSL_FUNC_CIPHER_DUPCTX, (void (*)(void)) alg##_dupctx },                \
    { OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))rc2_einit },              \
    { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))rc2_dinit },              \
    { OSSL_FUNC_CIPHER_UPDATE, (void (*)(void))ossl_cipher_generic_##typ##_update },\
    { OSSL_FUNC_CIPHER_FINAL, (void (*)(void))ossl_cipher_generic_##typ##_final },  \
    { OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))ossl_cipher_generic_cipher },   \
    { OSSL_FUNC_CIPHER_GET_PARAMS,                                             \
      (void (*)(void)) alg##_##kbits##_##lcmode##_get_params },                \
    { OSSL_FUNC_CIPHER_GETTABLE_PARAMS,                                        \
      (void (*)(void))ossl_cipher_generic_gettable_params },                   \
    { OSSL_FUNC_CIPHER_GET_CTX_PARAMS,                                         \
      (void (*)(void))rc2_get_ctx_params },                                    \
    { OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS,                                    \
      (void (*)(void))rc2_gettable_ctx_params },                               \
    { OSSL_FUNC_CIPHER_SET_CTX_PARAMS,                                         \
      (void (*)(void))rc2_set_ctx_params },                                    \
    { OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS,                                    \
     (void (*)(void))rc2_settable_ctx_params },                                \
    OSSL_DISPATCH_END                                                          \
};

/* ossl_rc2128ecb_functions */
IMPLEMENT_cipher(rc2, RC2, ecb, ECB, RC2_FLAGS, 128, 64, 0, block)
/* ossl_rc2128cbc_functions */
IMPLEMENT_cipher(rc2, RC2, cbc, CBC, RC2_FLAGS, 128, 64, 64, block)
/* ossl_rc240cbc_functions */
IMPLEMENT_cipher(rc2, RC2, cbc, CBC, RC2_FLAGS, 40, 64, 64, block)
/* ossl_rc264cbc_functions */
IMPLEMENT_cipher(rc2, RC2, cbc, CBC, RC2_FLAGS, 64, 64, 64, block)

/* ossl_rc2128ofb128_functions */
IMPLEMENT_cipher(rc2, RC2, ofb128, OFB, RC2_FLAGS, 128, 8, 64, stream)
/* ossl_rc2128cfb128_functions */
IMPLEMENT_cipher(rc2, RC2, cfb128, CFB, RC2_FLAGS, 128, 8, 64, stream)

Coverage Report

Created: 2024-05-21 06:33

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 2019-2023 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		/* Dispatch functions for RC2 cipher modes ecb, cbc, ofb, cfb */
11
12		/*
13		* RC2 low level APIs are deprecated for public use, but still ok for internal
14		* use.
15		*/
16		#include "internal/deprecated.h"
17
18		#include <openssl/proverr.h>
19		#include "cipher_rc2.h"
20		#include "prov/implementations.h"
21		#include "prov/providercommon.h"
22
23	0	#define RC2_40_MAGIC 0xa0
24	0	#define RC2_64_MAGIC 0x78
25	0	#define RC2_128_MAGIC 0x3a
26		#define RC2_FLAGS PROV_CIPHER_FLAG_VARIABLE_LENGTH
27
28		static OSSL_FUNC_cipher_encrypt_init_fn rc2_einit;
29		static OSSL_FUNC_cipher_decrypt_init_fn rc2_dinit;
30		static OSSL_FUNC_cipher_freectx_fn rc2_freectx;
31		static OSSL_FUNC_cipher_dupctx_fn rc2_dupctx;
32		static OSSL_FUNC_cipher_gettable_ctx_params_fn rc2_gettable_ctx_params;
33		static OSSL_FUNC_cipher_settable_ctx_params_fn rc2_settable_ctx_params;
34		static OSSL_FUNC_cipher_set_ctx_params_fn rc2_set_ctx_params;
35
36		static void rc2_freectx(void *vctx)
37	0	{
38	0	PROV_RC2_CTX ctx = (PROV_RC2_CTX )vctx;
39
40	0	ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
41	0	OPENSSL_clear_free(ctx, sizeof(*ctx));
42	0	}
43
44		static void rc2_dupctx(void ctx)
45	0	{
46	0	PROV_RC2_CTX in = (PROV_RC2_CTX )ctx;
47	0	PROV_RC2_CTX *ret;
48
49	0	if (!ossl_prov_is_running())
50	0	return NULL;
51
52	0	ret = OPENSSL_malloc(sizeof(*ret));
53	0	if (ret == NULL)
54	0	return NULL;
55	0	ret = in;
56
57	0	return ret;
58	0	}
59
60		static int rc2_keybits_to_magic(int keybits)
61	0	{
62	0	switch (keybits) {
63	0	case 128:
64	0	return RC2_128_MAGIC;
65	0	case 64:
66	0	return RC2_64_MAGIC;
67	0	case 40:
68	0	return RC2_40_MAGIC;
69	0	}
70	0	ERR_raise(ERR_LIB_PROV, PROV_R_UNSUPPORTED_KEY_SIZE);
71	0	return 0;
72	0	}
73
74		static int rc2_magic_to_keybits(int magic)
75	0	{
76	0	switch (magic) {
77	0	case RC2_128_MAGIC:
78	0	return 128;
79	0	case RC2_64_MAGIC:
80	0	return 64;
81	0	case RC2_40_MAGIC:
82	0	return 40;
83	0	}
84	0	ERR_raise(ERR_LIB_PROV, PROV_R_UNSUPPORTED_KEY_SIZE);
85	0	return 0;
86	0	}
87
88		static int rc2_einit(void ctx, const unsigned char key, size_t keylen,
89		const unsigned char *iv, size_t ivlen,
90		const OSSL_PARAM params[])
91	0	{
92	0	if (!ossl_cipher_generic_einit(ctx, key, keylen, iv, ivlen, NULL))
93	0	return 0;
94	0	return rc2_set_ctx_params(ctx, params);
95	0	}
96
97		static int rc2_dinit(void ctx, const unsigned char key, size_t keylen,
98		const unsigned char *iv, size_t ivlen,
99		const OSSL_PARAM params[])
100	0	{
101	0	if (!ossl_cipher_generic_dinit(ctx, key, keylen, iv, ivlen, NULL))
102	0	return 0;
103	0	return rc2_set_ctx_params(ctx, params);
104	0	}
105
106		static int rc2_get_ctx_params(void *vctx, OSSL_PARAM params[])
107	0	{
108	0	PROV_RC2_CTX ctx = (PROV_RC2_CTX )vctx;
109	0	OSSL_PARAM *p;
110
111	0	if (!ossl_cipher_generic_get_ctx_params(vctx, params))
112	0	return 0;
113	0	p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_RC2_KEYBITS);
114	0	if (p != NULL && !OSSL_PARAM_set_size_t(p, ctx->key_bits)) {
115	0	ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
116	0	return 0;
117	0	}
118	0	p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_ALGORITHM_ID_PARAMS);
119	0	if (p != NULL) {
120	0	long num;
121	0	int i;
122	0	ASN1_TYPE *type;
123	0	unsigned char *d = p->data;
124	0	unsigned char **dd = d == NULL ? NULL : &d;
125
126	0	if (p->data_type != OSSL_PARAM_OCTET_STRING) {
127	0	ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
128	0	return 0;
129	0	}
130	0	if ((type = ASN1_TYPE_new()) == NULL) {
131	0	ERR_raise(ERR_LIB_PROV, ERR_R_ASN1_LIB);
132	0	return 0;
133	0	}
134
135		/* Is this the original IV or the running IV? */
136	0	num = rc2_keybits_to_magic(ctx->key_bits);
137	0	if (!ASN1_TYPE_set_int_octetstring(type, num,
138	0	ctx->base.iv, ctx->base.ivlen)) {
139	0	ASN1_TYPE_free(type);
140	0	ERR_raise(ERR_LIB_PROV, ERR_R_ASN1_LIB);
141	0	return 0;
142	0	}
143		/*
144		* IF the caller has a buffer, we pray to the gods they got the
145		* size right. There's no way to tell the i2d functions...
146		*/
147	0	i = i2d_ASN1_TYPE(type, dd);
148	0	if (i >= 0)
149	0	p->return_size = (size_t)i;
150
151	0	ASN1_TYPE_free(type);
152	0	if (i < 0) {
153	0	ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
154	0	return 0;
155	0	}
156	0	}
157	0	return 1;
158	0	}
159
160		static int rc2_set_ctx_params(void *vctx, const OSSL_PARAM params[])
161	0	{
162	0	PROV_RC2_CTX ctx = (PROV_RC2_CTX )vctx;
163	0	const OSSL_PARAM *p;
164
165	0	if (params == NULL)
166	0	return 1;
167
168	0	if (!ossl_cipher_var_keylen_set_ctx_params(vctx, params))
169	0	return 0;
170	0	p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_RC2_KEYBITS);
171	0	if (p != NULL) {
172	0	if (!OSSL_PARAM_get_size_t(p, &ctx->key_bits)) {
173	0	ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
174	0	return 0;
175	0	}
176	0	}
177	0	p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_ALGORITHM_ID_PARAMS);
178	0	if (p != NULL) {
179	0	ASN1_TYPE *type = NULL;
180	0	long num = 0;
181	0	const unsigned char *d = p->data;
182	0	int ret = 1;
183	0	unsigned char iv[16];
184
185	0	if (p->data_type != OSSL_PARAM_OCTET_STRING
186	0	\|\| ctx->base.ivlen > sizeof(iv)
187	0	\|\| (type = d2i_ASN1_TYPE(NULL, &d, p->data_size)) == NULL
188	0	\|\| ((size_t)ASN1_TYPE_get_int_octetstring(type, &num, iv,
189	0	ctx->base.ivlen)
190	0	!= ctx->base.ivlen)
191	0	\|\| !ossl_cipher_generic_initiv(&ctx->base, iv, ctx->base.ivlen)
192	0	\|\| (ctx->key_bits = rc2_magic_to_keybits(num)) == 0) {
193	0	ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
194	0	ret = 0;
195	0	}
196	0	ASN1_TYPE_free(type);
197	0	if (ret == 0)
198	0	return 0;
199		/*
200		* This code assumes that the caller will call
201		* EVP_CipherInit_ex() with a non NULL key in order to setup a key that
202		* uses the keylen and keybits that were set here.
203		*/
204	0	ctx->base.keylen = ctx->key_bits / 8;
205	0	}
206	0	return 1;
207	0	}
208
209		CIPHER_DEFAULT_GETTABLE_CTX_PARAMS_START(rc2)
210		OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_RC2_KEYBITS, NULL),
211		OSSL_PARAM_octet_string(OSSL_CIPHER_PARAM_ALGORITHM_ID_PARAMS, NULL, 0),
212		CIPHER_DEFAULT_GETTABLE_CTX_PARAMS_END(rc2)
213
214		CIPHER_DEFAULT_SETTABLE_CTX_PARAMS_START(rc2)
215		OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_KEYLEN, NULL),
216		OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_RC2_KEYBITS, NULL),
217		OSSL_PARAM_octet_string(OSSL_CIPHER_PARAM_ALGORITHM_ID_PARAMS, NULL, 0),
218		CIPHER_DEFAULT_SETTABLE_CTX_PARAMS_END(rc2)
219
220		#define IMPLEMENT_cipher(alg, UCALG, lcmode, UCMODE, flags, kbits, blkbits, \
221		ivbits, typ) \
222		static OSSL_FUNC_cipher_get_params_fn alg##_##kbits##_##lcmode##_get_params; \
223	0	static int alg##_##kbits##_##lcmode##_get_params(OSSL_PARAM params[]) \
224	0	{ \
225	0	return ossl_cipher_generic_get_params(params, EVP_CIPH_##UCMODE##_MODE, \
226	0	flags, kbits, blkbits, ivbits); \
227	0	} \ Unexecuted instantiation: cipher_rc2.c:rc2_128_ecb_get_params Unexecuted instantiation: cipher_rc2.c:rc2_128_cbc_get_params Unexecuted instantiation: cipher_rc2.c:rc2_40_cbc_get_params Unexecuted instantiation: cipher_rc2.c:rc2_64_cbc_get_params Unexecuted instantiation: cipher_rc2.c:rc2_128_ofb128_get_params Unexecuted instantiation: cipher_rc2.c:rc2_128_cfb128_get_params
228		static OSSL_FUNC_cipher_newctx_fn alg##_##kbits##_##lcmode##_newctx; \
229	0	static void alg##_##kbits##_##lcmode##_newctx(void provctx) \
230	0	{ \
231	0	PROV_##UCALG##_CTX *ctx; \
232	0	if (!ossl_prov_is_running()) \
233	0	return NULL; \
234	0	ctx = OPENSSL_zalloc(sizeof(*ctx)); \
235	0	if (ctx != NULL) { \
236	0	ossl_cipher_generic_initkey(ctx, kbits, blkbits, ivbits, \
237	0	EVP_CIPH_##UCMODE##_MODE, flags, \
238	0	ossl_prov_cipher_hw_##alg##_##lcmode(kbits), \
239	0	NULL); \
240	0	ctx->key_bits = kbits; \
241	0	} \
242	0	return ctx; \
243	0	} \ Unexecuted instantiation: cipher_rc2.c:rc2_128_ecb_newctx Unexecuted instantiation: cipher_rc2.c:rc2_128_cbc_newctx Unexecuted instantiation: cipher_rc2.c:rc2_40_cbc_newctx Unexecuted instantiation: cipher_rc2.c:rc2_64_cbc_newctx Unexecuted instantiation: cipher_rc2.c:rc2_128_ofb128_newctx Unexecuted instantiation: cipher_rc2.c:rc2_128_cfb128_newctx
244		const OSSL_DISPATCH ossl_##alg##kbits##lcmode##_functions[] = { \
245		{ OSSL_FUNC_CIPHER_NEWCTX, \
246		(void (*)(void)) alg##_##kbits##_##lcmode##_newctx }, \
247		{ OSSL_FUNC_CIPHER_FREECTX, (void (*)(void)) alg##_freectx }, \
248		{ OSSL_FUNC_CIPHER_DUPCTX, (void (*)(void)) alg##_dupctx }, \
249		{ OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))rc2_einit }, \
250		{ OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))rc2_dinit }, \
251		{ OSSL_FUNC_CIPHER_UPDATE, (void (*)(void))ossl_cipher_generic_##typ##_update },\
252		{ OSSL_FUNC_CIPHER_FINAL, (void (*)(void))ossl_cipher_generic_##typ##_final }, \
253		{ OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))ossl_cipher_generic_cipher }, \
254		{ OSSL_FUNC_CIPHER_GET_PARAMS, \
255		(void (*)(void)) alg##_##kbits##_##lcmode##_get_params }, \
256		{ OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \
257		(void (*)(void))ossl_cipher_generic_gettable_params }, \
258		{ OSSL_FUNC_CIPHER_GET_CTX_PARAMS, \
259		(void (*)(void))rc2_get_ctx_params }, \
260		{ OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \
261		(void (*)(void))rc2_gettable_ctx_params }, \
262		{ OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \
263		(void (*)(void))rc2_set_ctx_params }, \
264		{ OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \
265		(void (*)(void))rc2_settable_ctx_params }, \
266		OSSL_DISPATCH_END \
267		};
268
269		/* ossl_rc2128ecb_functions */
270		IMPLEMENT_cipher(rc2, RC2, ecb, ECB, RC2_FLAGS, 128, 64, 0, block)
271		/* ossl_rc2128cbc_functions */
272		IMPLEMENT_cipher(rc2, RC2, cbc, CBC, RC2_FLAGS, 128, 64, 64, block)
273		/* ossl_rc240cbc_functions */
274		IMPLEMENT_cipher(rc2, RC2, cbc, CBC, RC2_FLAGS, 40, 64, 64, block)
275		/* ossl_rc264cbc_functions */
276		IMPLEMENT_cipher(rc2, RC2, cbc, CBC, RC2_FLAGS, 64, 64, 64, block)
277
278		/* ossl_rc2128ofb128_functions */
279		IMPLEMENT_cipher(rc2, RC2, ofb128, OFB, RC2_FLAGS, 128, 8, 64, stream)
280		/* ossl_rc2128cfb128_functions */
281		IMPLEMENT_cipher(rc2, RC2, cfb128, CFB, RC2_FLAGS, 128, 8, 64, stream)