providers/implementations/ciphers/cipher_rc2.c - third_party/openssl - Git at Google

 /*
  * 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_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) {
         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_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_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, 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 },                                \
     { 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)
	/*
	* 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_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) {
	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_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_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, 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 }, \
	{ 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)