[thirdparty/openssl.git] / providers / implementations / ciphers / cipher_rc2.c

/*
 * Copyright 2019-2021 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_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 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) {
        ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
        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_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_ALG_ID);
    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_MALLOC_FAILURE);
            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_MALLOC_FAILURE);
            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, OSSL_PARAM params[])
{
    PROV_RC2_CTX *ctx = (PROV_RC2_CTX *)vctx;
    const OSSL_PARAM *p;

    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(params, OSSL_CIPHER_PARAM_ALG_ID);
    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),
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),
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))ossl_cipher_generic_einit }, \
    { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))ossl_cipher_generic_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 },                                \
    { 0, NULL }                                                                \
};

/* 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)
Commit	Line	Data
f816aa47	1	/*
a28d06f3	2	* Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
f816aa47 SL	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
ee2993ab P	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
2741128e	18	#include <openssl/proverr.h>
f816aa47	19	#include "cipher_rc2.h"
af3e7e1b	20	#include "prov/implementations.h"
f99d3eed	21	#include "prov/providercommon.h"
f816aa47 SL	22
	23	#define RC2_40_MAGIC 0xa0
	24	#define RC2_64_MAGIC 0x78
	25	#define RC2_128_MAGIC 0x3a
a054d15c	26	#define RC2_FLAGS PROV_CIPHER_FLAG_VARIABLE_LENGTH
f816aa47	27
363b1e5d DMSP	28	static OSSL_FUNC_cipher_freectx_fn rc2_freectx;
	29	static OSSL_FUNC_cipher_dupctx_fn rc2_dupctx;
	30	static OSSL_FUNC_cipher_gettable_ctx_params_fn rc2_gettable_ctx_params;
	31	static OSSL_FUNC_cipher_settable_ctx_params_fn rc2_settable_ctx_params;
f816aa47 SL	32
	33	static void rc2_freectx(void *vctx)
	34	{
	35	PROV_RC2_CTX ctx = (PROV_RC2_CTX )vctx;
	36
592dcfd3	37	ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
f816aa47 SL	38	OPENSSL_clear_free(ctx, sizeof(*ctx));
	39	}
	40
	41	static void rc2_dupctx(void ctx)
	42	{
	43	PROV_RC2_CTX in = (PROV_RC2_CTX )ctx;
f99d3eed	44	PROV_RC2_CTX *ret;
f816aa47	45
f99d3eed P	46	if (!ossl_prov_is_running())
	47	return NULL;
	48
	49	ret = OPENSSL_malloc(sizeof(*ret));
f816aa47 SL	50	if (ret == NULL) {
	51	ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
	52	return NULL;
	53	}
	54	ret = in;
	55
	56	return ret;
	57	}
	58
	59	static int rc2_keybits_to_magic(int keybits)
	60	{
	61	switch (keybits) {
	62	case 128:
	63	return RC2_128_MAGIC;
	64	case 64:
	65	return RC2_64_MAGIC;
	66	case 40:
	67	return RC2_40_MAGIC;
	68	}
	69	ERR_raise(ERR_LIB_PROV, PROV_R_UNSUPPORTED_KEY_SIZE);
	70	return 0;
	71	}
	72
	73	static int rc2_magic_to_keybits(int magic)
	74	{
	75	switch (magic) {
	76	case RC2_128_MAGIC:
	77	return 128;
	78	case RC2_64_MAGIC:
	79	return 64;
	80	case RC2_40_MAGIC:
	81	return 40;
	82	}
	83	ERR_raise(ERR_LIB_PROV, PROV_R_UNSUPPORTED_KEY_SIZE);
	84	return 0;
	85	}
	86
	87	static int rc2_get_ctx_params(void *vctx, OSSL_PARAM params[])
	88	{
	89	PROV_RC2_CTX ctx = (PROV_RC2_CTX )vctx;
	90	OSSL_PARAM *p;
	91
592dcfd3	92	if (!ossl_cipher_generic_get_ctx_params(vctx, params))
f816aa47 SL	93	return 0;
	94	p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_RC2_KEYBITS);
	95	if (p != NULL && !OSSL_PARAM_set_size_t(p, ctx->key_bits)) {
	96	ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
	97	return 0;
	98	}
	99	p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_ALG_ID);
	100	if (p != NULL) {
	101	long num;
	102	int i;
	103	ASN1_TYPE *type;
	104	unsigned char *d = p->data;
	105	unsigned char **dd = d == NULL ? NULL : &d;
	106
	107	if (p->data_type != OSSL_PARAM_OCTET_STRING) {
	108	ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
	109	return 0;
	110	}
	111	if ((type = ASN1_TYPE_new()) == NULL) {
	112	ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
	113	return 0;
	114	}
	115
	116	/* Is this the original IV or the running IV? */
	117	num = rc2_keybits_to_magic(ctx->key_bits);
	118	if (!ASN1_TYPE_set_int_octetstring(type, num,
	119	ctx->base.iv, ctx->base.ivlen)) {
	120	ASN1_TYPE_free(type);
	121	ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
	122	return 0;
	123	}
	124	/*
	125	* IF the caller has a buffer, we pray to the gods they got the
	126	* size right. There's no way to tell the i2d functions...
	127	*/
	128	i = i2d_ASN1_TYPE(type, dd);
	129	if (i >= 0)
	130	p->return_size = (size_t)i;
	131
	132	ASN1_TYPE_free(type);
	133	if (i < 0) {
	134	ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
	135	return 0;
	136	}
	137	}
	138	return 1;
	139	}
	140
	141	static int rc2_set_ctx_params(void *vctx, OSSL_PARAM params[])
	142	{
	143	PROV_RC2_CTX ctx = (PROV_RC2_CTX )vctx;
	144	const OSSL_PARAM *p;
	145
592dcfd3	146	if (!ossl_cipher_var_keylen_set_ctx_params(vctx, params))
f816aa47 SL	147	return 0;
	148	p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_RC2_KEYBITS);
	149	if (p != NULL) {
	150	if (!OSSL_PARAM_get_size_t(p, &ctx->key_bits)) {
	151	ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
	152	return 0;
	153	}
	154	}
	155	p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_ALG_ID);
	156	if (p != NULL) {
	157	ASN1_TYPE *type = NULL;
	158	long num = 0;
	159	const unsigned char *d = p->data;
	160	int ret = 1;
	161	unsigned char iv[16];
	162
	163	if (p->data_type != OSSL_PARAM_OCTET_STRING
	164	\|\| ctx->base.ivlen > sizeof(iv)
	165	\|\| (type = d2i_ASN1_TYPE(NULL, &d, p->data_size)) == NULL
	166	\|\| ((size_t)ASN1_TYPE_get_int_octetstring(type, &num, iv,
	167	ctx->base.ivlen)
	168	!= ctx->base.ivlen)
592dcfd3	169	\|\| !ossl_cipher_generic_initiv(&ctx->base, iv, ctx->base.ivlen)
f816aa47 SL	170	\|\| (ctx->key_bits = rc2_magic_to_keybits(num)) == 0) {
	171	ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
	172	ret = 0;
	173	}
	174	ASN1_TYPE_free(type);
	175	if (ret == 0)
	176	return 0;
	177	/*
	178	* This code assumes that the caller will call
	179	* EVP_CipherInit_ex() with a non NULL key in order to setup a key that
	180	* uses the keylen and keybits that were set here.
	181	*/
	182	ctx->base.keylen = ctx->key_bits / 8;
	183	}
	184	return 1;
	185	}
	186
	187	CIPHER_DEFAULT_GETTABLE_CTX_PARAMS_START(rc2)
	188	OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_RC2_KEYBITS, NULL),
	189	CIPHER_DEFAULT_GETTABLE_CTX_PARAMS_END(rc2)
	190
	191	CIPHER_DEFAULT_SETTABLE_CTX_PARAMS_START(rc2)
d23adad1	192	OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_KEYLEN, NULL),
f816aa47 SL	193	OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_RC2_KEYBITS, NULL),
	194	CIPHER_DEFAULT_SETTABLE_CTX_PARAMS_END(rc2)
	195
	196	#define IMPLEMENT_cipher(alg, UCALG, lcmode, UCMODE, flags, kbits, blkbits, \
	197	ivbits, typ) \
363b1e5d	198	static OSSL_FUNC_cipher_get_params_fn alg##_##kbits##_##lcmode##_get_params; \
f816aa47 SL	199	static int alg##_##kbits##_##lcmode##_get_params(OSSL_PARAM params[]) \
f816aa47 SL	200	{ \
592dcfd3 P	201	return ossl_cipher_generic_get_params(params, EVP_CIPH_##UCMODE##_MODE, \
592dcfd3 P	202	flags, kbits, blkbits, ivbits); \
f816aa47	203	} \
363b1e5d	204	static OSSL_FUNC_cipher_newctx_fn alg##_##kbits##_##lcmode##_newctx; \
f816aa47 SL	205	static void * alg##_##kbits##_##lcmode##_newctx(void *provctx) \
f816aa47 SL	206	{ \
f99d3eed	207	PROV_##UCALG##_CTX *ctx; \
592dcfd3	208	if (!ossl_prov_is_running()) \
f99d3eed P	209	return NULL; \
f99d3eed P	210	ctx = OPENSSL_zalloc(sizeof(*ctx)); \
f816aa47	211	if (ctx != NULL) { \
592dcfd3	212	ossl_cipher_generic_initkey(ctx, kbits, blkbits, ivbits, \
f816aa47	213	EVP_CIPH_##UCMODE##_MODE, flags, \
7d6766cb P	214	ossl_prov_cipher_hw_##alg##_##lcmode(kbits), \
7d6766cb P	215	NULL); \
f816aa47 SL	216	ctx->key_bits = kbits; \
	217	} \
	218	return ctx; \
	219	} \
1be63951	220	const OSSL_DISPATCH ossl_##alg##kbits##lcmode##_functions[] = { \
f816aa47 SL	221	{ OSSL_FUNC_CIPHER_NEWCTX, \
	222	(void (*)(void)) alg##_##kbits##_##lcmode##_newctx }, \
	223	{ OSSL_FUNC_CIPHER_FREECTX, (void (*)(void)) alg##_freectx }, \
	224	{ OSSL_FUNC_CIPHER_DUPCTX, (void (*)(void)) alg##_dupctx }, \
592dcfd3 P	225	{ OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))ossl_cipher_generic_einit }, \
	226	{ OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))ossl_cipher_generic_dinit }, \
	227	{ OSSL_FUNC_CIPHER_UPDATE, (void (*)(void))ossl_cipher_generic_##typ##_update },\
	228	{ OSSL_FUNC_CIPHER_FINAL, (void (*)(void))ossl_cipher_generic_##typ##_final }, \
	229	{ OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))ossl_cipher_generic_cipher }, \
f816aa47 SL	230	{ OSSL_FUNC_CIPHER_GET_PARAMS, \
	231	(void (*)(void)) alg##_##kbits##_##lcmode##_get_params }, \
	232	{ OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \
592dcfd3	233	(void (*)(void))ossl_cipher_generic_gettable_params }, \
f816aa47 SL	234	{ OSSL_FUNC_CIPHER_GET_CTX_PARAMS, \
	235	(void (*)(void))rc2_get_ctx_params }, \
	236	{ OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \
	237	(void (*)(void))rc2_gettable_ctx_params }, \
	238	{ OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \
	239	(void (*)(void))rc2_set_ctx_params }, \
	240	{ OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \
	241	(void (*)(void))rc2_settable_ctx_params }, \
	242	{ 0, NULL } \
	243	};
	244
1be63951	245	/* ossl_rc2128ecb_functions */
a054d15c	246	IMPLEMENT_cipher(rc2, RC2, ecb, ECB, RC2_FLAGS, 128, 64, 0, block)
1be63951	247	/* ossl_rc2128cbc_functions */
a054d15c	248	IMPLEMENT_cipher(rc2, RC2, cbc, CBC, RC2_FLAGS, 128, 64, 64, block)
1be63951	249	/* ossl_rc240cbc_functions */
a054d15c	250	IMPLEMENT_cipher(rc2, RC2, cbc, CBC, RC2_FLAGS, 40, 64, 64, block)
1be63951	251	/* ossl_rc264cbc_functions */
a054d15c	252	IMPLEMENT_cipher(rc2, RC2, cbc, CBC, RC2_FLAGS, 64, 64, 64, block)
f816aa47	253
1be63951	254	/* ossl_rc2128ofb128_functions */
a054d15c	255	IMPLEMENT_cipher(rc2, RC2, ofb128, OFB, RC2_FLAGS, 128, 8, 64, stream)
1be63951	256	/* ossl_rc2128cfb128_functions */
a054d15c	257	IMPLEMENT_cipher(rc2, RC2, cfb128, CFB, RC2_FLAGS, 128, 8, 64, stream)