/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:4;tab-width:4;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :viâ
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â Copyright The Mbed TLS Contributors                                          â
â                                                                              â
â Licensed under the Apache License, Version 2.0 (the "License");              â
â you may not use this file except in compliance with the License.             â
â You may obtain a copy of the License at                                      â
â                                                                              â
â     http://www.apache.org/licenses/LICENSE-2.0                               â
â                                                                              â
â Unless required by applicable law or agreed to in writing, software          â
â distributed under the License is distributed on an "AS IS" BASIS,            â
â WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.     â
â See the License for the specific language governing permissions and          â
â limitations under the License.                                               â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/mem/mem.h"
#include "third_party/mbedtls/aes.h"
#include "third_party/mbedtls/ccm.h"
#include "third_party/mbedtls/chacha20.h"
#include "third_party/mbedtls/chachapoly.h"
#include "third_party/mbedtls/cipher_internal.h"
#include "third_party/mbedtls/common.h"
#include "third_party/mbedtls/des.h"
#include "third_party/mbedtls/error.h"
#include "third_party/mbedtls/gcm.h"
#include "third_party/mbedtls/nist_kw.h"
#include "third_party/mbedtls/platform.h"

asm(".ident\t\"\\n\\n\
Mbed TLS (Apache 2.0)\\n\
Copyright ARM Limited\\n\
Copyright Mbed TLS Contributors\"");
asm(".include \"libc/disclaimer.inc\"");
/* clang-format off */

#if defined(MBEDTLS_CIPHER_C)

#if defined(MBEDTLS_GCM_C)
/* shared by all GCM ciphers */
static void *gcm_ctx_alloc( void )
{
    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_gcm_context ) );

    if( ctx )
        mbedtls_gcm_init( (mbedtls_gcm_context *) ctx );

    return( ctx );
}

static void gcm_ctx_free( void *ctx )
{
    mbedtls_gcm_free( ctx );
    mbedtls_free( ctx );
}
#endif /* MBEDTLS_GCM_C */

#if defined(MBEDTLS_CCM_C)
/* shared by all CCM ciphers */
static void *ccm_ctx_alloc( void )
{
    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_ccm_context ) );

    if( ctx )
        mbedtls_ccm_init( (mbedtls_ccm_context *) ctx );

    return( ctx );
}

static void ccm_ctx_free( void *ctx )
{
    mbedtls_ccm_free( ctx );
    mbedtls_free( ctx );
}
#endif /* MBEDTLS_CCM_C */

#if defined(MBEDTLS_AES_C)

#if defined(MBEDTLS_CIPHER_MODE_CFB)
static int aes_crypt_cfb128_wrap( void *ctx, mbedtls_operation_t operation,
        size_t length, size_t *iv_off, unsigned char *iv,
        const unsigned char *input, unsigned char *output )
{
    return mbedtls_aes_crypt_cfb128( (mbedtls_aes_context *) ctx, operation, length, iv_off, iv,
                             input, output );
}
#endif /* MBEDTLS_CIPHER_MODE_CFB */

#if defined(MBEDTLS_CIPHER_MODE_OFB)
static int aes_crypt_ofb_wrap( void *ctx, size_t length, size_t *iv_off,
        unsigned char *iv, const unsigned char *input, unsigned char *output )
{
    return mbedtls_aes_crypt_ofb( (mbedtls_aes_context *) ctx, length, iv_off,
                                    iv, input, output );
}
#endif /* MBEDTLS_CIPHER_MODE_OFB */

#if defined(MBEDTLS_CIPHER_MODE_CTR)
static int aes_crypt_ctr_wrap( void *ctx, size_t length, size_t *nc_off,
        unsigned char *nonce_counter, unsigned char *stream_block,
        const unsigned char *input, unsigned char *output )
{
    return mbedtls_aes_crypt_ctr( (mbedtls_aes_context *) ctx, length, nc_off, nonce_counter,
                          stream_block, input, output );
}
#endif /* MBEDTLS_CIPHER_MODE_CTR */

#if defined(MBEDTLS_CIPHER_MODE_XTS)
static int aes_crypt_xts_wrap( void *ctx, mbedtls_operation_t operation,
                               size_t length,
                               const unsigned char data_unit[16],
                               const unsigned char *input,
                               unsigned char *output )
{
    mbedtls_aes_xts_context *xts_ctx = ctx;
    int mode;

    switch( operation )
    {
        case MBEDTLS_ENCRYPT:
            mode = MBEDTLS_AES_ENCRYPT;
            break;
        case MBEDTLS_DECRYPT:
            mode = MBEDTLS_AES_DECRYPT;
            break;
        default:
            return MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA;
    }

    return mbedtls_aes_crypt_xts( xts_ctx, mode, length,
                                  data_unit, input, output );
}
#endif /* MBEDTLS_CIPHER_MODE_XTS */

static int aes_setkey_dec_wrap( void *ctx, const unsigned char *key,
                                unsigned int key_bitlen )
{
    return mbedtls_aes_setkey_dec( (mbedtls_aes_context *) ctx, key, key_bitlen );
}

static int aes_setkey_enc_wrap( void *ctx, const unsigned char *key,
                                unsigned int key_bitlen )
{
    return mbedtls_aes_setkey_enc( (mbedtls_aes_context *) ctx, key, key_bitlen );
}

static void * aes_ctx_alloc( void )
{
    mbedtls_aes_context *aes = mbedtls_calloc( 1, sizeof( mbedtls_aes_context ) );

    if( !aes )
        return( NULL );

    mbedtls_aes_init( aes );

    return( aes );
}

static void aes_ctx_free( void *ctx )
{
    mbedtls_aes_free( (mbedtls_aes_context *) ctx );
    mbedtls_free( ctx );
}

static const mbedtls_cipher_base_t aes_info = {
    MBEDTLS_CIPHER_ID_AES,
    (void *)mbedtls_aes_crypt_ecb,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    (void *)mbedtls_aes_crypt_cbc,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    aes_crypt_cfb128_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_OFB)
    aes_crypt_ofb_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    aes_crypt_ctr_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_XTS)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    aes_setkey_enc_wrap,
    aes_setkey_dec_wrap,
    aes_ctx_alloc,
    aes_ctx_free
};

static const mbedtls_cipher_info_t aes_128_ecb_info = {
    MBEDTLS_CIPHER_AES_128_ECB,
    MBEDTLS_MODE_ECB,
    128,
    "AES-128-ECB",
    0,
    0,
    16,
    &aes_info
};

static const mbedtls_cipher_info_t aes_192_ecb_info = {
    MBEDTLS_CIPHER_AES_192_ECB,
    MBEDTLS_MODE_ECB,
    192,
    "AES-192-ECB",
    0,
    0,
    16,
    &aes_info
};

static const mbedtls_cipher_info_t aes_256_ecb_info = {
    MBEDTLS_CIPHER_AES_256_ECB,
    MBEDTLS_MODE_ECB,
    256,
    "AES-256-ECB",
    0,
    0,
    16,
    &aes_info
};

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static const mbedtls_cipher_info_t aes_128_cbc_info = {
    MBEDTLS_CIPHER_AES_128_CBC,
    MBEDTLS_MODE_CBC,
    128,
    "AES-128-CBC",
    16,
    0,
    16,
    &aes_info
};

static const mbedtls_cipher_info_t aes_192_cbc_info = {
    MBEDTLS_CIPHER_AES_192_CBC,
    MBEDTLS_MODE_CBC,
    192,
    "AES-192-CBC",
    16,
    0,
    16,
    &aes_info
};

static const mbedtls_cipher_info_t aes_256_cbc_info = {
    MBEDTLS_CIPHER_AES_256_CBC,
    MBEDTLS_MODE_CBC,
    256,
    "AES-256-CBC",
    16,
    0,
    16,
    &aes_info
};
#endif /* MBEDTLS_CIPHER_MODE_CBC */

#if defined(MBEDTLS_CIPHER_MODE_CFB)
static const mbedtls_cipher_info_t aes_128_cfb128_info = {
    MBEDTLS_CIPHER_AES_128_CFB128,
    MBEDTLS_MODE_CFB,
    128,
    "AES-128-CFB128",
    16,
    0,
    16,
    &aes_info
};

static const mbedtls_cipher_info_t aes_192_cfb128_info = {
    MBEDTLS_CIPHER_AES_192_CFB128,
    MBEDTLS_MODE_CFB,
    192,
    "AES-192-CFB128",
    16,
    0,
    16,
    &aes_info
};

static const mbedtls_cipher_info_t aes_256_cfb128_info = {
    MBEDTLS_CIPHER_AES_256_CFB128,
    MBEDTLS_MODE_CFB,
    256,
    "AES-256-CFB128",
    16,
    0,
    16,
    &aes_info
};
#endif /* MBEDTLS_CIPHER_MODE_CFB */

#if defined(MBEDTLS_CIPHER_MODE_OFB)
static const mbedtls_cipher_info_t aes_128_ofb_info = {
    MBEDTLS_CIPHER_AES_128_OFB,
    MBEDTLS_MODE_OFB,
    128,
    "AES-128-OFB",
    16,
    0,
    16,
    &aes_info
};

static const mbedtls_cipher_info_t aes_192_ofb_info = {
    MBEDTLS_CIPHER_AES_192_OFB,
    MBEDTLS_MODE_OFB,
    192,
    "AES-192-OFB",
    16,
    0,
    16,
    &aes_info
};

static const mbedtls_cipher_info_t aes_256_ofb_info = {
    MBEDTLS_CIPHER_AES_256_OFB,
    MBEDTLS_MODE_OFB,
    256,
    "AES-256-OFB",
    16,
    0,
    16,
    &aes_info
};
#endif /* MBEDTLS_CIPHER_MODE_OFB */

#if defined(MBEDTLS_CIPHER_MODE_CTR)
static const mbedtls_cipher_info_t aes_128_ctr_info = {
    MBEDTLS_CIPHER_AES_128_CTR,
    MBEDTLS_MODE_CTR,
    128,
    "AES-128-CTR",
    16,
    0,
    16,
    &aes_info
};

static const mbedtls_cipher_info_t aes_192_ctr_info = {
    MBEDTLS_CIPHER_AES_192_CTR,
    MBEDTLS_MODE_CTR,
    192,
    "AES-192-CTR",
    16,
    0,
    16,
    &aes_info
};

static const mbedtls_cipher_info_t aes_256_ctr_info = {
    MBEDTLS_CIPHER_AES_256_CTR,
    MBEDTLS_MODE_CTR,
    256,
    "AES-256-CTR",
    16,
    0,
    16,
    &aes_info
};
#endif /* MBEDTLS_CIPHER_MODE_CTR */

#if defined(MBEDTLS_CIPHER_MODE_XTS)
static int xts_aes_setkey_enc_wrap( void *ctx, const unsigned char *key,
                                    unsigned int key_bitlen )
{
    mbedtls_aes_xts_context *xts_ctx = ctx;
    return( mbedtls_aes_xts_setkey_enc( xts_ctx, key, key_bitlen ) );
}

static int xts_aes_setkey_dec_wrap( void *ctx, const unsigned char *key,
                                    unsigned int key_bitlen )
{
    mbedtls_aes_xts_context *xts_ctx = ctx;
    return( mbedtls_aes_xts_setkey_dec( xts_ctx, key, key_bitlen ) );
}

static void *xts_aes_ctx_alloc( void )
{
    mbedtls_aes_xts_context *xts_ctx = mbedtls_calloc( 1, sizeof( *xts_ctx ) );

    if( xts_ctx != NULL )
        mbedtls_aes_xts_init( xts_ctx );

    return( xts_ctx );
}

static void xts_aes_ctx_free( void *ctx )
{
    mbedtls_aes_xts_context *xts_ctx = ctx;

    if( xts_ctx == NULL )
        return;

    mbedtls_aes_xts_free( xts_ctx );
    mbedtls_free( xts_ctx );
}

static const mbedtls_cipher_base_t xts_aes_info = {
    MBEDTLS_CIPHER_ID_AES,
    NULL,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_OFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_XTS)
    aes_crypt_xts_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    xts_aes_setkey_enc_wrap,
    xts_aes_setkey_dec_wrap,
    xts_aes_ctx_alloc,
    xts_aes_ctx_free
};

static const mbedtls_cipher_info_t aes_128_xts_info = {
    MBEDTLS_CIPHER_AES_128_XTS,
    MBEDTLS_MODE_XTS,
    256,
    "AES-128-XTS",
    16,
    0,
    16,
    &xts_aes_info
};

static const mbedtls_cipher_info_t aes_256_xts_info = {
    MBEDTLS_CIPHER_AES_256_XTS,
    MBEDTLS_MODE_XTS,
    512,
    "AES-256-XTS",
    16,
    0,
    16,
    &xts_aes_info
};
#endif /* MBEDTLS_CIPHER_MODE_XTS */

#if defined(MBEDTLS_GCM_C)
static int gcm_aes_setkey_wrap( void *ctx, const unsigned char *key,
                                unsigned int key_bitlen )
{
    return mbedtls_gcm_setkey( (mbedtls_gcm_context *) ctx, MBEDTLS_CIPHER_ID_AES,
                     key, key_bitlen );
}

static const mbedtls_cipher_base_t gcm_aes_info = {
    MBEDTLS_CIPHER_ID_AES,
    NULL,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_OFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_XTS)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    gcm_aes_setkey_wrap,
    gcm_aes_setkey_wrap,
    gcm_ctx_alloc,
    gcm_ctx_free,
};

static const mbedtls_cipher_info_t aes_128_gcm_info = {
    MBEDTLS_CIPHER_AES_128_GCM,
    MBEDTLS_MODE_GCM,
    128,
    "AES-128-GCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &gcm_aes_info
};

static const mbedtls_cipher_info_t aes_192_gcm_info = {
    MBEDTLS_CIPHER_AES_192_GCM,
    MBEDTLS_MODE_GCM,
    192,
    "AES-192-GCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &gcm_aes_info
};

static const mbedtls_cipher_info_t aes_256_gcm_info = {
    MBEDTLS_CIPHER_AES_256_GCM,
    MBEDTLS_MODE_GCM,
    256,
    "AES-256-GCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &gcm_aes_info
};
#endif /* MBEDTLS_GCM_C */

#if defined(MBEDTLS_CCM_C)
static int ccm_aes_setkey_wrap( void *ctx, const unsigned char *key,
                                unsigned int key_bitlen )
{
    return mbedtls_ccm_setkey( (mbedtls_ccm_context *) ctx, MBEDTLS_CIPHER_ID_AES,
                     key, key_bitlen );
}

static const mbedtls_cipher_base_t ccm_aes_info = {
    MBEDTLS_CIPHER_ID_AES,
    NULL,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_OFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_XTS)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    ccm_aes_setkey_wrap,
    ccm_aes_setkey_wrap,
    ccm_ctx_alloc,
    ccm_ctx_free,
};

static const mbedtls_cipher_info_t aes_128_ccm_info = {
    MBEDTLS_CIPHER_AES_128_CCM,
    MBEDTLS_MODE_CCM,
    128,
    "AES-128-CCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &ccm_aes_info
};

static const mbedtls_cipher_info_t aes_192_ccm_info = {
    MBEDTLS_CIPHER_AES_192_CCM,
    MBEDTLS_MODE_CCM,
    192,
    "AES-192-CCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &ccm_aes_info
};

static const mbedtls_cipher_info_t aes_256_ccm_info = {
    MBEDTLS_CIPHER_AES_256_CCM,
    MBEDTLS_MODE_CCM,
    256,
    "AES-256-CCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &ccm_aes_info
};
#endif /* MBEDTLS_CCM_C */

#endif /* MBEDTLS_AES_C */

#if defined(MBEDTLS_DES_C)

static int des_crypt_ecb_wrap( void *ctx, mbedtls_operation_t operation,
        const unsigned char *input, unsigned char *output )
{
    ((void) operation);
    return mbedtls_des_crypt_ecb( (mbedtls_des_context *) ctx, input, output );
}

static int des3_crypt_ecb_wrap( void *ctx, mbedtls_operation_t operation,
        const unsigned char *input, unsigned char *output )
{
    ((void) operation);
    return mbedtls_des3_crypt_ecb( (mbedtls_des3_context *) ctx, input, output );
}

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static int des_crypt_cbc_wrap( void *ctx, mbedtls_operation_t operation, size_t length,
        unsigned char *iv, const unsigned char *input, unsigned char *output )
{
    return mbedtls_des_crypt_cbc( (mbedtls_des_context *) ctx, operation, length, iv, input,
                          output );
}
#endif /* MBEDTLS_CIPHER_MODE_CBC */

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static int des3_crypt_cbc_wrap( void *ctx, mbedtls_operation_t operation, size_t length,
        unsigned char *iv, const unsigned char *input, unsigned char *output )
{
    return mbedtls_des3_crypt_cbc( (mbedtls_des3_context *) ctx, operation, length, iv, input,
                           output );
}
#endif /* MBEDTLS_CIPHER_MODE_CBC */

static int des_setkey_dec_wrap( void *ctx, const unsigned char *key,
                                unsigned int key_bitlen )
{
    ((void) key_bitlen);

    return mbedtls_des_setkey_dec( (mbedtls_des_context *) ctx, key );
}

static int des_setkey_enc_wrap( void *ctx, const unsigned char *key,
                                unsigned int key_bitlen )
{
    ((void) key_bitlen);

    return mbedtls_des_setkey_enc( (mbedtls_des_context *) ctx, key );
}

static int des3_set2key_dec_wrap( void *ctx, const unsigned char *key,
                                  unsigned int key_bitlen )
{
    ((void) key_bitlen);

    return mbedtls_des3_set2key_dec( (mbedtls_des3_context *) ctx, key );
}

static int des3_set2key_enc_wrap( void *ctx, const unsigned char *key,
                                  unsigned int key_bitlen )
{
    ((void) key_bitlen);

    return mbedtls_des3_set2key_enc( (mbedtls_des3_context *) ctx, key );
}

static int des3_set3key_dec_wrap( void *ctx, const unsigned char *key,
                                  unsigned int key_bitlen )
{
    ((void) key_bitlen);

    return mbedtls_des3_set3key_dec( (mbedtls_des3_context *) ctx, key );
}

static int des3_set3key_enc_wrap( void *ctx, const unsigned char *key,
                                  unsigned int key_bitlen )
{
    ((void) key_bitlen);

    return mbedtls_des3_set3key_enc( (mbedtls_des3_context *) ctx, key );
}

static void * des_ctx_alloc( void )
{
    mbedtls_des_context *des = mbedtls_calloc( 1, sizeof( mbedtls_des_context ) );

    if( des == NULL )
        return( NULL );

    mbedtls_des_init( des );

    return( des );
}

static void des_ctx_free( void *ctx )
{
    mbedtls_des_free( (mbedtls_des_context *) ctx );
    mbedtls_free( ctx );
}

static void * des3_ctx_alloc( void )
{
    mbedtls_des3_context *des3;
    des3 = mbedtls_calloc( 1, sizeof( mbedtls_des3_context ) );

    if( des3 == NULL )
        return( NULL );

    mbedtls_des3_init( des3 );

    return( des3 );
}

static void des3_ctx_free( void *ctx )
{
    mbedtls_des3_free( (mbedtls_des3_context *) ctx );
    mbedtls_free( ctx );
}

static const mbedtls_cipher_base_t des_info = {
    MBEDTLS_CIPHER_ID_DES,
    des_crypt_ecb_wrap,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    des_crypt_cbc_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_OFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_XTS)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    des_setkey_enc_wrap,
    des_setkey_dec_wrap,
    des_ctx_alloc,
    des_ctx_free
};

static const mbedtls_cipher_info_t des_ecb_info = {
    MBEDTLS_CIPHER_DES_ECB,
    MBEDTLS_MODE_ECB,
    MBEDTLS_KEY_LENGTH_DES,
    "DES-ECB",
    0,
    0,
    8,
    &des_info
};

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static const mbedtls_cipher_info_t des_cbc_info = {
    MBEDTLS_CIPHER_DES_CBC,
    MBEDTLS_MODE_CBC,
    MBEDTLS_KEY_LENGTH_DES,
    "DES-CBC",
    8,
    0,
    8,
    &des_info
};
#endif /* MBEDTLS_CIPHER_MODE_CBC */

static const mbedtls_cipher_base_t des_ede_info = {
    MBEDTLS_CIPHER_ID_DES,
    des3_crypt_ecb_wrap,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    des3_crypt_cbc_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_OFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_XTS)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    des3_set2key_enc_wrap,
    des3_set2key_dec_wrap,
    des3_ctx_alloc,
    des3_ctx_free
};

static const mbedtls_cipher_info_t des_ede_ecb_info = {
    MBEDTLS_CIPHER_DES_EDE_ECB,
    MBEDTLS_MODE_ECB,
    MBEDTLS_KEY_LENGTH_DES_EDE,
    "DES-EDE-ECB",
    0,
    0,
    8,
    &des_ede_info
};

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static const mbedtls_cipher_info_t des_ede_cbc_info = {
    MBEDTLS_CIPHER_DES_EDE_CBC,
    MBEDTLS_MODE_CBC,
    MBEDTLS_KEY_LENGTH_DES_EDE,
    "DES-EDE-CBC",
    8,
    0,
    8,
    &des_ede_info
};
#endif /* MBEDTLS_CIPHER_MODE_CBC */

static const mbedtls_cipher_base_t des_ede3_info = {
    MBEDTLS_CIPHER_ID_3DES,
    des3_crypt_ecb_wrap,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    des3_crypt_cbc_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_OFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_XTS)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    des3_set3key_enc_wrap,
    des3_set3key_dec_wrap,
    des3_ctx_alloc,
    des3_ctx_free
};

static const mbedtls_cipher_info_t des_ede3_ecb_info = {
    MBEDTLS_CIPHER_DES_EDE3_ECB,
    MBEDTLS_MODE_ECB,
    MBEDTLS_KEY_LENGTH_DES_EDE3,
    "DES-EDE3-ECB",
    0,
    0,
    8,
    &des_ede3_info
};
#if defined(MBEDTLS_CIPHER_MODE_CBC)
static const mbedtls_cipher_info_t des_ede3_cbc_info = {
    MBEDTLS_CIPHER_DES_EDE3_CBC,
    MBEDTLS_MODE_CBC,
    MBEDTLS_KEY_LENGTH_DES_EDE3,
    "DES-EDE3-CBC",
    8,
    0,
    8,
    &des_ede3_info
};
#endif /* MBEDTLS_CIPHER_MODE_CBC */
#endif /* MBEDTLS_DES_C */

#if defined(MBEDTLS_BLOWFISH_C)

static int blowfish_crypt_ecb_wrap( void *ctx, mbedtls_operation_t operation,
        const unsigned char *input, unsigned char *output )
{
    return mbedtls_blowfish_crypt_ecb( (mbedtls_blowfish_context *) ctx, operation, input,
                               output );
}

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static int blowfish_crypt_cbc_wrap( void *ctx, mbedtls_operation_t operation,
        size_t length, unsigned char *iv, const unsigned char *input,
        unsigned char *output )
{
    return mbedtls_blowfish_crypt_cbc( (mbedtls_blowfish_context *) ctx, operation, length, iv,
                               input, output );
}
#endif /* MBEDTLS_CIPHER_MODE_CBC */

#if defined(MBEDTLS_CIPHER_MODE_CFB)
static int blowfish_crypt_cfb64_wrap( void *ctx, mbedtls_operation_t operation,
        size_t length, size_t *iv_off, unsigned char *iv,
        const unsigned char *input, unsigned char *output )
{
    return mbedtls_blowfish_crypt_cfb64( (mbedtls_blowfish_context *) ctx, operation, length,
                                 iv_off, iv, input, output );
}
#endif /* MBEDTLS_CIPHER_MODE_CFB */

#if defined(MBEDTLS_CIPHER_MODE_CTR)
static int blowfish_crypt_ctr_wrap( void *ctx, size_t length, size_t *nc_off,
        unsigned char *nonce_counter, unsigned char *stream_block,
        const unsigned char *input, unsigned char *output )
{
    return mbedtls_blowfish_crypt_ctr( (mbedtls_blowfish_context *) ctx, length, nc_off,
                               nonce_counter, stream_block, input, output );
}
#endif /* MBEDTLS_CIPHER_MODE_CTR */

static int blowfish_setkey_wrap( void *ctx, const unsigned char *key,
                                 unsigned int key_bitlen )
{
    return mbedtls_blowfish_setkey( (mbedtls_blowfish_context *) ctx, key, key_bitlen );
}

static void * blowfish_ctx_alloc( void )
{
    mbedtls_blowfish_context *ctx;
    ctx = mbedtls_calloc( 1, sizeof( mbedtls_blowfish_context ) );

    if( ctx == NULL )
        return( NULL );

    mbedtls_blowfish_init( ctx );

    return( ctx );
}

static void blowfish_ctx_free( void *ctx )
{
    mbedtls_blowfish_free( (mbedtls_blowfish_context *) ctx );
    mbedtls_free( ctx );
}

static const mbedtls_cipher_base_t blowfish_info = {
    MBEDTLS_CIPHER_ID_BLOWFISH,
    blowfish_crypt_ecb_wrap,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    blowfish_crypt_cbc_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    blowfish_crypt_cfb64_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_OFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    blowfish_crypt_ctr_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_XTS)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    blowfish_setkey_wrap,
    blowfish_setkey_wrap,
    blowfish_ctx_alloc,
    blowfish_ctx_free
};

static const mbedtls_cipher_info_t blowfish_ecb_info = {
    MBEDTLS_CIPHER_BLOWFISH_ECB,
    MBEDTLS_MODE_ECB,
    128,
    "BLOWFISH-ECB",
    0,
    MBEDTLS_CIPHER_VARIABLE_KEY_LEN,
    8,
    &blowfish_info
};

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static const mbedtls_cipher_info_t blowfish_cbc_info = {
    MBEDTLS_CIPHER_BLOWFISH_CBC,
    MBEDTLS_MODE_CBC,
    128,
    "BLOWFISH-CBC",
    8,
    MBEDTLS_CIPHER_VARIABLE_KEY_LEN,
    8,
    &blowfish_info
};
#endif /* MBEDTLS_CIPHER_MODE_CBC */

#if defined(MBEDTLS_CIPHER_MODE_CFB)
static const mbedtls_cipher_info_t blowfish_cfb64_info = {
    MBEDTLS_CIPHER_BLOWFISH_CFB64,
    MBEDTLS_MODE_CFB,
    128,
    "BLOWFISH-CFB64",
    8,
    MBEDTLS_CIPHER_VARIABLE_KEY_LEN,
    8,
    &blowfish_info
};
#endif /* MBEDTLS_CIPHER_MODE_CFB */

#if defined(MBEDTLS_CIPHER_MODE_CTR)
static const mbedtls_cipher_info_t blowfish_ctr_info = {
    MBEDTLS_CIPHER_BLOWFISH_CTR,
    MBEDTLS_MODE_CTR,
    128,
    "BLOWFISH-CTR",
    8,
    MBEDTLS_CIPHER_VARIABLE_KEY_LEN,
    8,
    &blowfish_info
};
#endif /* MBEDTLS_CIPHER_MODE_CTR */
#endif /* MBEDTLS_BLOWFISH_C */

#if defined(MBEDTLS_CHACHA20_C)

static int chacha20_setkey_wrap( void *ctx, const unsigned char *key,
                                 unsigned int key_bitlen )
{
    if( key_bitlen != 256U )
        return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );

    if ( 0 != mbedtls_chacha20_setkey( (mbedtls_chacha20_context*)ctx, key ) )
        return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );

    return( 0 );
}

static int chacha20_stream_wrap( void *ctx,  size_t length,
                                 const unsigned char *input,
                                 unsigned char *output )
{
    int ret = MBEDTLS_ERR_THIS_CORRUPTION;

    ret = mbedtls_chacha20_update( ctx, length, input, output );
    if( ret == MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA )
        return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );

    return( ret );
}

static void * chacha20_ctx_alloc( void )
{
    mbedtls_chacha20_context *ctx;
    ctx = mbedtls_calloc( 1, sizeof( mbedtls_chacha20_context ) );

    if( ctx == NULL )
        return( NULL );

    mbedtls_chacha20_init( ctx );

    return( ctx );
}

static void chacha20_ctx_free( void *ctx )
{
    mbedtls_chacha20_free( (mbedtls_chacha20_context *) ctx );
    mbedtls_free( ctx );
}

static const mbedtls_cipher_base_t chacha20_base_info = {
    MBEDTLS_CIPHER_ID_CHACHA20,
    NULL,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_OFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_XTS)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    chacha20_stream_wrap,
#endif
    chacha20_setkey_wrap,
    chacha20_setkey_wrap,
    chacha20_ctx_alloc,
    chacha20_ctx_free
};
static const mbedtls_cipher_info_t chacha20_info = {
    MBEDTLS_CIPHER_CHACHA20,
    MBEDTLS_MODE_STREAM,
    256,
    "CHACHA20",
    12,
    0,
    1,
    &chacha20_base_info
};
#endif /* MBEDTLS_CHACHA20_C */

#if defined(MBEDTLS_CHACHAPOLY_C)

static int chachapoly_setkey_wrap( void *ctx,
                                   const unsigned char *key,
                                   unsigned int key_bitlen )
{
    if( key_bitlen != 256U )
        return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );

    if ( 0 != mbedtls_chachapoly_setkey( (mbedtls_chachapoly_context*)ctx, key ) )
        return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );

    return( 0 );
}

static void * chachapoly_ctx_alloc( void )
{
    mbedtls_chachapoly_context *ctx;
    ctx = mbedtls_calloc( 1, sizeof( mbedtls_chachapoly_context ) );

    if( ctx == NULL )
        return( NULL );

    mbedtls_chachapoly_init( ctx );

    return( ctx );
}

static void chachapoly_ctx_free( void *ctx )
{
    mbedtls_chachapoly_free( (mbedtls_chachapoly_context *) ctx );
    mbedtls_free( ctx );
}

static const mbedtls_cipher_base_t chachapoly_base_info = {
    MBEDTLS_CIPHER_ID_CHACHA20,
    NULL,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_OFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_XTS)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    chachapoly_setkey_wrap,
    chachapoly_setkey_wrap,
    chachapoly_ctx_alloc,
    chachapoly_ctx_free
};
static const mbedtls_cipher_info_t chachapoly_info = {
    MBEDTLS_CIPHER_CHACHA20_POLY1305,
    MBEDTLS_MODE_CHACHAPOLY,
    256,
    "CHACHA20-POLY1305",
    12,
    0,
    1,
    &chachapoly_base_info
};
#endif /* MBEDTLS_CHACHAPOLY_C */

#if defined(MBEDTLS_CIPHER_NULL_CIPHER)
static int null_crypt_stream( void *ctx, size_t length,
                              const unsigned char *input,
                              unsigned char *output )
{
    ((void) ctx);
    memmove( output, input, length );
    return( 0 );
}

static int null_setkey( void *ctx, const unsigned char *key,
                        unsigned int key_bitlen )
{
    ((void) ctx);
    ((void) key);
    ((void) key_bitlen);

    return( 0 );
}

static void * null_ctx_alloc( void )
{
    return( (void *) 1 );
}

static void null_ctx_free( void *ctx )
{
    ((void) ctx);
}

static const mbedtls_cipher_base_t null_base_info = {
    MBEDTLS_CIPHER_ID_NULL,
    NULL,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_OFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_XTS)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    null_crypt_stream,
#endif
    null_setkey,
    null_setkey,
    null_ctx_alloc,
    null_ctx_free
};

static const mbedtls_cipher_info_t null_cipher_info = {
    MBEDTLS_CIPHER_NULL,
    MBEDTLS_MODE_STREAM,
    0,
    "NULL",
    0,
    0,
    1,
    &null_base_info
};
#endif /* defined(MBEDTLS_CIPHER_NULL_CIPHER) */

#if defined(MBEDTLS_NIST_KW_C)
static void *kw_ctx_alloc( void )
{
    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_nist_kw_context ) );

    if( ctx != NULL )
        mbedtls_nist_kw_init( (mbedtls_nist_kw_context *) ctx );

    return( ctx );
}

static void kw_ctx_free( void *ctx )
{
    mbedtls_nist_kw_free( ctx );
    mbedtls_free( ctx );
}

static int kw_aes_setkey_wrap( void *ctx, const unsigned char *key,
                                unsigned int key_bitlen )
{
    return mbedtls_nist_kw_setkey( (mbedtls_nist_kw_context *) ctx,
                                   MBEDTLS_CIPHER_ID_AES, key, key_bitlen, 1 );
}

static int kw_aes_setkey_unwrap( void *ctx, const unsigned char *key,
                                unsigned int key_bitlen )
{
   return mbedtls_nist_kw_setkey( (mbedtls_nist_kw_context *) ctx,
                                  MBEDTLS_CIPHER_ID_AES, key, key_bitlen, 0 );
}

static const mbedtls_cipher_base_t kw_aes_info = {
    MBEDTLS_CIPHER_ID_AES,
    NULL,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_OFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_XTS)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    kw_aes_setkey_wrap,
    kw_aes_setkey_unwrap,
    kw_ctx_alloc,
    kw_ctx_free,
};

static const mbedtls_cipher_info_t aes_128_nist_kw_info = {
    MBEDTLS_CIPHER_AES_128_KW,
    MBEDTLS_MODE_KW,
    128,
    "AES-128-KW",
    0,
    0,
    16,
    &kw_aes_info
};

static const mbedtls_cipher_info_t aes_192_nist_kw_info = {
    MBEDTLS_CIPHER_AES_192_KW,
    MBEDTLS_MODE_KW,
    192,
    "AES-192-KW",
    0,
    0,
    16,
    &kw_aes_info
};

static const mbedtls_cipher_info_t aes_256_nist_kw_info = {
    MBEDTLS_CIPHER_AES_256_KW,
    MBEDTLS_MODE_KW,
    256,
    "AES-256-KW",
    0,
    0,
    16,
    &kw_aes_info
};

static const mbedtls_cipher_info_t aes_128_nist_kwp_info = {
    MBEDTLS_CIPHER_AES_128_KWP,
    MBEDTLS_MODE_KWP,
    128,
    "AES-128-KWP",
    0,
    0,
    16,
    &kw_aes_info
};

static const mbedtls_cipher_info_t aes_192_nist_kwp_info = {
    MBEDTLS_CIPHER_AES_192_KWP,
    MBEDTLS_MODE_KWP,
    192,
    "AES-192-KWP",
    0,
    0,
    16,
    &kw_aes_info
};

static const mbedtls_cipher_info_t aes_256_nist_kwp_info = {
    MBEDTLS_CIPHER_AES_256_KWP,
    MBEDTLS_MODE_KWP,
    256,
    "AES-256-KWP",
    0,
    0,
    16,
    &kw_aes_info
};
#endif /* MBEDTLS_NIST_KW_C */

const mbedtls_cipher_definition_t mbedtls_cipher_definitions[] =
{
#if defined(MBEDTLS_AES_C)
    { MBEDTLS_CIPHER_AES_128_ECB,          &aes_128_ecb_info },
    { MBEDTLS_CIPHER_AES_192_ECB,          &aes_192_ecb_info },
    { MBEDTLS_CIPHER_AES_256_ECB,          &aes_256_ecb_info },
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    { MBEDTLS_CIPHER_AES_128_CBC,          &aes_128_cbc_info },
    { MBEDTLS_CIPHER_AES_192_CBC,          &aes_192_cbc_info },
    { MBEDTLS_CIPHER_AES_256_CBC,          &aes_256_cbc_info },
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    { MBEDTLS_CIPHER_AES_128_CFB128,       &aes_128_cfb128_info },
    { MBEDTLS_CIPHER_AES_192_CFB128,       &aes_192_cfb128_info },
    { MBEDTLS_CIPHER_AES_256_CFB128,       &aes_256_cfb128_info },
#endif
#if defined(MBEDTLS_CIPHER_MODE_OFB)
    { MBEDTLS_CIPHER_AES_128_OFB,          &aes_128_ofb_info },
    { MBEDTLS_CIPHER_AES_192_OFB,          &aes_192_ofb_info },
    { MBEDTLS_CIPHER_AES_256_OFB,          &aes_256_ofb_info },
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    { MBEDTLS_CIPHER_AES_128_CTR,          &aes_128_ctr_info },
    { MBEDTLS_CIPHER_AES_192_CTR,          &aes_192_ctr_info },
    { MBEDTLS_CIPHER_AES_256_CTR,          &aes_256_ctr_info },
#endif
#if defined(MBEDTLS_CIPHER_MODE_XTS)
    { MBEDTLS_CIPHER_AES_128_XTS,          &aes_128_xts_info },
    { MBEDTLS_CIPHER_AES_256_XTS,          &aes_256_xts_info },
#endif
#if defined(MBEDTLS_GCM_C)
    { MBEDTLS_CIPHER_AES_128_GCM,          &aes_128_gcm_info },
    { MBEDTLS_CIPHER_AES_192_GCM,          &aes_192_gcm_info },
    { MBEDTLS_CIPHER_AES_256_GCM,          &aes_256_gcm_info },
#endif
#if defined(MBEDTLS_CCM_C)
    { MBEDTLS_CIPHER_AES_128_CCM,          &aes_128_ccm_info },
    { MBEDTLS_CIPHER_AES_192_CCM,          &aes_192_ccm_info },
    { MBEDTLS_CIPHER_AES_256_CCM,          &aes_256_ccm_info },
#endif
#endif /* MBEDTLS_AES_C */

#if defined(MBEDTLS_BLOWFISH_C)
    { MBEDTLS_CIPHER_BLOWFISH_ECB,         &blowfish_ecb_info },
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    { MBEDTLS_CIPHER_BLOWFISH_CBC,         &blowfish_cbc_info },
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    { MBEDTLS_CIPHER_BLOWFISH_CFB64,       &blowfish_cfb64_info },
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    { MBEDTLS_CIPHER_BLOWFISH_CTR,         &blowfish_ctr_info },
#endif
#endif /* MBEDTLS_BLOWFISH_C */

#if defined(MBEDTLS_CAMELLIA_C)
    { MBEDTLS_CIPHER_CAMELLIA_128_ECB,     &camellia_128_ecb_info },
    { MBEDTLS_CIPHER_CAMELLIA_192_ECB,     &camellia_192_ecb_info },
    { MBEDTLS_CIPHER_CAMELLIA_256_ECB,     &camellia_256_ecb_info },
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    { MBEDTLS_CIPHER_CAMELLIA_128_CBC,     &camellia_128_cbc_info },
    { MBEDTLS_CIPHER_CAMELLIA_192_CBC,     &camellia_192_cbc_info },
    { MBEDTLS_CIPHER_CAMELLIA_256_CBC,     &camellia_256_cbc_info },
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    { MBEDTLS_CIPHER_CAMELLIA_128_CFB128,  &camellia_128_cfb128_info },
    { MBEDTLS_CIPHER_CAMELLIA_192_CFB128,  &camellia_192_cfb128_info },
    { MBEDTLS_CIPHER_CAMELLIA_256_CFB128,  &camellia_256_cfb128_info },
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    { MBEDTLS_CIPHER_CAMELLIA_128_CTR,     &camellia_128_ctr_info },
    { MBEDTLS_CIPHER_CAMELLIA_192_CTR,     &camellia_192_ctr_info },
    { MBEDTLS_CIPHER_CAMELLIA_256_CTR,     &camellia_256_ctr_info },
#endif
#if defined(MBEDTLS_GCM_C)
    { MBEDTLS_CIPHER_CAMELLIA_128_GCM,     &camellia_128_gcm_info },
    { MBEDTLS_CIPHER_CAMELLIA_192_GCM,     &camellia_192_gcm_info },
    { MBEDTLS_CIPHER_CAMELLIA_256_GCM,     &camellia_256_gcm_info },
#endif
#if defined(MBEDTLS_CCM_C)
    { MBEDTLS_CIPHER_CAMELLIA_128_CCM,     &camellia_128_ccm_info },
    { MBEDTLS_CIPHER_CAMELLIA_192_CCM,     &camellia_192_ccm_info },
    { MBEDTLS_CIPHER_CAMELLIA_256_CCM,     &camellia_256_ccm_info },
#endif
#endif /* MBEDTLS_CAMELLIA_C */

#if defined(MBEDTLS_DES_C)
    { MBEDTLS_CIPHER_DES_ECB,              &des_ecb_info },
    { MBEDTLS_CIPHER_DES_EDE_ECB,          &des_ede_ecb_info },
    { MBEDTLS_CIPHER_DES_EDE3_ECB,         &des_ede3_ecb_info },
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    { MBEDTLS_CIPHER_DES_CBC,              &des_cbc_info },
    { MBEDTLS_CIPHER_DES_EDE_CBC,          &des_ede_cbc_info },
    { MBEDTLS_CIPHER_DES_EDE3_CBC,         &des_ede3_cbc_info },
#endif
#endif /* MBEDTLS_DES_C */

#if defined(MBEDTLS_CHACHA20_C)
    { MBEDTLS_CIPHER_CHACHA20,             &chacha20_info },
#endif

#if defined(MBEDTLS_CHACHAPOLY_C)
    { MBEDTLS_CIPHER_CHACHA20_POLY1305,    &chachapoly_info },
#endif

#if defined(MBEDTLS_NIST_KW_C)
    { MBEDTLS_CIPHER_AES_128_KW,          &aes_128_nist_kw_info },
    { MBEDTLS_CIPHER_AES_192_KW,          &aes_192_nist_kw_info },
    { MBEDTLS_CIPHER_AES_256_KW,          &aes_256_nist_kw_info },
    { MBEDTLS_CIPHER_AES_128_KWP,         &aes_128_nist_kwp_info },
    { MBEDTLS_CIPHER_AES_192_KWP,         &aes_192_nist_kwp_info },
    { MBEDTLS_CIPHER_AES_256_KWP,         &aes_256_nist_kwp_info },
#endif

#if defined(MBEDTLS_CIPHER_NULL_CIPHER)
    { MBEDTLS_CIPHER_NULL,                 &null_cipher_info },
#endif /* MBEDTLS_CIPHER_NULL_CIPHER */

    { MBEDTLS_CIPHER_NONE, NULL }
};

#define NUM_CIPHERS ( sizeof(mbedtls_cipher_definitions) /      \
                      sizeof(mbedtls_cipher_definitions[0]) )
int mbedtls_cipher_supported[NUM_CIPHERS];

#endif /* MBEDTLS_CIPHER_C */
