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cipher.h
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/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
#ifndef MBEDTLS_CIPHER_H
#define MBEDTLS_CIPHER_H
#include "mbedtls/private_access.h"
#include "mbedtls/build_info.h"
#include <stddef.h>
#include "mbedtls/platform_util.h"
#if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CCM_C) || defined(MBEDTLS_CHACHAPOLY_C)
#define MBEDTLS_CIPHER_MODE_AEAD
#endif
#if defined(MBEDTLS_CIPHER_MODE_CBC)
#define MBEDTLS_CIPHER_MODE_WITH_PADDING
#endif
#if defined(MBEDTLS_CIPHER_NULL_CIPHER) || \
defined(MBEDTLS_CHACHA20_C)
#define MBEDTLS_CIPHER_MODE_STREAM
#endif
#define MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE -0x6080
#define MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA -0x6100
#define MBEDTLS_ERR_CIPHER_ALLOC_FAILED -0x6180
#define MBEDTLS_ERR_CIPHER_INVALID_PADDING -0x6200
#define MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED -0x6280
#define MBEDTLS_ERR_CIPHER_AUTH_FAILED -0x6300
#define MBEDTLS_ERR_CIPHER_INVALID_CONTEXT -0x6380
#define MBEDTLS_CIPHER_VARIABLE_IV_LEN 0x01
#define MBEDTLS_CIPHER_VARIABLE_KEY_LEN 0x02
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
MBEDTLS_CIPHER_ID_NONE = 0,
MBEDTLS_CIPHER_ID_NULL,
MBEDTLS_CIPHER_ID_AES,
MBEDTLS_CIPHER_ID_DES,
MBEDTLS_CIPHER_ID_3DES,
MBEDTLS_CIPHER_ID_CAMELLIA,
MBEDTLS_CIPHER_ID_ARIA,
MBEDTLS_CIPHER_ID_CHACHA20,
} mbedtls_cipher_id_t;
typedef enum {
MBEDTLS_CIPHER_NONE = 0,
MBEDTLS_CIPHER_NULL,
MBEDTLS_CIPHER_AES_128_ECB,
MBEDTLS_CIPHER_AES_192_ECB,
MBEDTLS_CIPHER_AES_256_ECB,
MBEDTLS_CIPHER_AES_128_CBC,
MBEDTLS_CIPHER_AES_192_CBC,
MBEDTLS_CIPHER_AES_256_CBC,
MBEDTLS_CIPHER_AES_128_CFB128,
MBEDTLS_CIPHER_AES_192_CFB128,
MBEDTLS_CIPHER_AES_256_CFB128,
MBEDTLS_CIPHER_AES_128_CTR,
MBEDTLS_CIPHER_AES_192_CTR,
MBEDTLS_CIPHER_AES_256_CTR,
MBEDTLS_CIPHER_AES_128_GCM,
MBEDTLS_CIPHER_AES_192_GCM,
MBEDTLS_CIPHER_AES_256_GCM,
MBEDTLS_CIPHER_CAMELLIA_128_ECB,
MBEDTLS_CIPHER_CAMELLIA_192_ECB,
MBEDTLS_CIPHER_CAMELLIA_256_ECB,
MBEDTLS_CIPHER_CAMELLIA_128_CBC,
MBEDTLS_CIPHER_CAMELLIA_192_CBC,
MBEDTLS_CIPHER_CAMELLIA_256_CBC,
MBEDTLS_CIPHER_CAMELLIA_128_CFB128,
MBEDTLS_CIPHER_CAMELLIA_192_CFB128,
MBEDTLS_CIPHER_CAMELLIA_256_CFB128,
MBEDTLS_CIPHER_CAMELLIA_128_CTR,
MBEDTLS_CIPHER_CAMELLIA_192_CTR,
MBEDTLS_CIPHER_CAMELLIA_256_CTR,
MBEDTLS_CIPHER_CAMELLIA_128_GCM,
MBEDTLS_CIPHER_CAMELLIA_192_GCM,
MBEDTLS_CIPHER_CAMELLIA_256_GCM,
MBEDTLS_CIPHER_DES_ECB,
MBEDTLS_CIPHER_DES_CBC,
MBEDTLS_CIPHER_DES_EDE_ECB,
MBEDTLS_CIPHER_DES_EDE_CBC,
MBEDTLS_CIPHER_DES_EDE3_ECB,
MBEDTLS_CIPHER_DES_EDE3_CBC,
MBEDTLS_CIPHER_AES_128_CCM,
MBEDTLS_CIPHER_AES_192_CCM,
MBEDTLS_CIPHER_AES_256_CCM,
MBEDTLS_CIPHER_AES_128_CCM_STAR_NO_TAG,
MBEDTLS_CIPHER_AES_192_CCM_STAR_NO_TAG,
MBEDTLS_CIPHER_AES_256_CCM_STAR_NO_TAG,
MBEDTLS_CIPHER_CAMELLIA_128_CCM,
MBEDTLS_CIPHER_CAMELLIA_192_CCM,
MBEDTLS_CIPHER_CAMELLIA_256_CCM,
MBEDTLS_CIPHER_CAMELLIA_128_CCM_STAR_NO_TAG,
MBEDTLS_CIPHER_CAMELLIA_192_CCM_STAR_NO_TAG,
MBEDTLS_CIPHER_CAMELLIA_256_CCM_STAR_NO_TAG,
MBEDTLS_CIPHER_ARIA_128_ECB,
MBEDTLS_CIPHER_ARIA_192_ECB,
MBEDTLS_CIPHER_ARIA_256_ECB,
MBEDTLS_CIPHER_ARIA_128_CBC,
MBEDTLS_CIPHER_ARIA_192_CBC,
MBEDTLS_CIPHER_ARIA_256_CBC,
MBEDTLS_CIPHER_ARIA_128_CFB128,
MBEDTLS_CIPHER_ARIA_192_CFB128,
MBEDTLS_CIPHER_ARIA_256_CFB128,
MBEDTLS_CIPHER_ARIA_128_CTR,
MBEDTLS_CIPHER_ARIA_192_CTR,
MBEDTLS_CIPHER_ARIA_256_CTR,
MBEDTLS_CIPHER_ARIA_128_GCM,
MBEDTLS_CIPHER_ARIA_192_GCM,
MBEDTLS_CIPHER_ARIA_256_GCM,
MBEDTLS_CIPHER_ARIA_128_CCM,
MBEDTLS_CIPHER_ARIA_192_CCM,
MBEDTLS_CIPHER_ARIA_256_CCM,
MBEDTLS_CIPHER_ARIA_128_CCM_STAR_NO_TAG,
MBEDTLS_CIPHER_ARIA_192_CCM_STAR_NO_TAG,
MBEDTLS_CIPHER_ARIA_256_CCM_STAR_NO_TAG,
MBEDTLS_CIPHER_AES_128_OFB,
MBEDTLS_CIPHER_AES_192_OFB,
MBEDTLS_CIPHER_AES_256_OFB,
MBEDTLS_CIPHER_AES_128_XTS,
MBEDTLS_CIPHER_AES_256_XTS,
MBEDTLS_CIPHER_CHACHA20,
MBEDTLS_CIPHER_CHACHA20_POLY1305,
MBEDTLS_CIPHER_AES_128_KW,
MBEDTLS_CIPHER_AES_192_KW,
MBEDTLS_CIPHER_AES_256_KW,
MBEDTLS_CIPHER_AES_128_KWP,
MBEDTLS_CIPHER_AES_192_KWP,
MBEDTLS_CIPHER_AES_256_KWP,
} mbedtls_cipher_type_t;
typedef enum {
MBEDTLS_MODE_NONE = 0,
MBEDTLS_MODE_ECB,
MBEDTLS_MODE_CBC,
MBEDTLS_MODE_CFB,
MBEDTLS_MODE_OFB,
MBEDTLS_MODE_CTR,
MBEDTLS_MODE_GCM,
MBEDTLS_MODE_STREAM,
MBEDTLS_MODE_CCM,
MBEDTLS_MODE_CCM_STAR_NO_TAG,
MBEDTLS_MODE_XTS,
MBEDTLS_MODE_CHACHAPOLY,
MBEDTLS_MODE_KW,
MBEDTLS_MODE_KWP,
} mbedtls_cipher_mode_t;
typedef enum {
MBEDTLS_PADDING_PKCS7 = 0,
MBEDTLS_PADDING_ONE_AND_ZEROS,
MBEDTLS_PADDING_ZEROS_AND_LEN,
MBEDTLS_PADDING_ZEROS,
MBEDTLS_PADDING_NONE,
} mbedtls_cipher_padding_t;
typedef enum {
MBEDTLS_OPERATION_NONE = -1,
MBEDTLS_DECRYPT = 0,
MBEDTLS_ENCRYPT,
} mbedtls_operation_t;
enum {
MBEDTLS_KEY_LENGTH_NONE = 0,
MBEDTLS_KEY_LENGTH_DES = 64,
MBEDTLS_KEY_LENGTH_DES_EDE = 128,
MBEDTLS_KEY_LENGTH_DES_EDE3 = 192,
};
/* This should ideally be derived automatically from list of ciphers.
* This should be kept in sync with MBEDTLS_SSL_MAX_IV_LENGTH defined
* in library/ssl_misc.h. */
#define MBEDTLS_MAX_IV_LENGTH 16
/* This should ideally be derived automatically from list of ciphers.
* This should be kept in sync with MBEDTLS_SSL_MAX_BLOCK_LENGTH defined
* in library/ssl_misc.h. */
#define MBEDTLS_MAX_BLOCK_LENGTH 16
/* This should ideally be derived automatically from list of ciphers.
* For now, only check whether XTS is enabled which uses 64 Byte keys,
* and use 32 Bytes as an upper bound for the maximum key length otherwise.
* This should be kept in sync with MBEDTLS_SSL_MAX_BLOCK_LENGTH defined
* in library/ssl_misc.h, which however deliberately ignores the case of XTS
* since the latter isn't used in SSL/TLS. */
#if defined(MBEDTLS_CIPHER_MODE_XTS)
#define MBEDTLS_MAX_KEY_LENGTH 64
#else
#define MBEDTLS_MAX_KEY_LENGTH 32
#endif /* MBEDTLS_CIPHER_MODE_XTS */
typedef struct mbedtls_cipher_base_t mbedtls_cipher_base_t;
typedef struct mbedtls_cmac_context_t mbedtls_cmac_context_t;
typedef struct mbedtls_cipher_info_t {
const char *MBEDTLS_PRIVATE(name);
unsigned int MBEDTLS_PRIVATE(block_size) : 5;
unsigned int MBEDTLS_PRIVATE(iv_size) : 3;
unsigned int MBEDTLS_PRIVATE(key_bitlen) : 4;
unsigned int MBEDTLS_PRIVATE(mode) : 4;
unsigned int MBEDTLS_PRIVATE(type) : 8;
unsigned int MBEDTLS_PRIVATE(flags) : 2;
unsigned int MBEDTLS_PRIVATE(base_idx) : 5;
} mbedtls_cipher_info_t;
/* For internal use only.
* These are used to more compactly represent the fields above. */
#define MBEDTLS_KEY_BITLEN_SHIFT 6
#define MBEDTLS_IV_SIZE_SHIFT 2
typedef struct mbedtls_cipher_context_t {
const mbedtls_cipher_info_t *MBEDTLS_PRIVATE(cipher_info);
int MBEDTLS_PRIVATE(key_bitlen);
mbedtls_operation_t MBEDTLS_PRIVATE(operation);
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
void(*MBEDTLS_PRIVATE(add_padding))(unsigned char *output, size_t olen,
size_t data_len);
/* Report invalid-padding condition through the output parameter
* invalid_padding. To minimize changes in Mbed TLS 3.6, where this
* declaration is in a public header, use the public type size_t
* rather than the internal type mbedtls_ct_condition_t. */
int(*MBEDTLS_PRIVATE(get_padding))(unsigned char *input, size_t ilen,
size_t *data_len,
size_t *invalid_padding);
#endif
unsigned char MBEDTLS_PRIVATE(unprocessed_data)[MBEDTLS_MAX_BLOCK_LENGTH];
size_t MBEDTLS_PRIVATE(unprocessed_len);
unsigned char MBEDTLS_PRIVATE(iv)[MBEDTLS_MAX_IV_LENGTH];
size_t MBEDTLS_PRIVATE(iv_size);
void *MBEDTLS_PRIVATE(cipher_ctx);
#if defined(MBEDTLS_CMAC_C)
mbedtls_cmac_context_t *MBEDTLS_PRIVATE(cmac_ctx);
#endif
#if defined(MBEDTLS_USE_PSA_CRYPTO) && !defined(MBEDTLS_DEPRECATED_REMOVED)
unsigned char MBEDTLS_PRIVATE(psa_enabled);
#endif /* MBEDTLS_USE_PSA_CRYPTO && !MBEDTLS_DEPRECATED_REMOVED */
} mbedtls_cipher_context_t;
const int *mbedtls_cipher_list(void);
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_string(const char *cipher_name);
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_type(const mbedtls_cipher_type_t cipher_type);
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_values(const mbedtls_cipher_id_t cipher_id,
int key_bitlen,
const mbedtls_cipher_mode_t mode);
static inline mbedtls_cipher_type_t mbedtls_cipher_info_get_type(
const mbedtls_cipher_info_t *info)
{
if (info == NULL) {
return MBEDTLS_CIPHER_NONE;
} else {
return (mbedtls_cipher_type_t) info->MBEDTLS_PRIVATE(type);
}
}
static inline mbedtls_cipher_mode_t mbedtls_cipher_info_get_mode(
const mbedtls_cipher_info_t *info)
{
if (info == NULL) {
return MBEDTLS_MODE_NONE;
} else {
return (mbedtls_cipher_mode_t) info->MBEDTLS_PRIVATE(mode);
}
}
static inline size_t mbedtls_cipher_info_get_key_bitlen(
const mbedtls_cipher_info_t *info)
{
if (info == NULL) {
return 0;
} else {
return ((size_t) info->MBEDTLS_PRIVATE(key_bitlen)) << MBEDTLS_KEY_BITLEN_SHIFT;
}
}
static inline const char *mbedtls_cipher_info_get_name(
const mbedtls_cipher_info_t *info)
{
if (info == NULL) {
return NULL;
} else {
return info->MBEDTLS_PRIVATE(name);
}
}
static inline size_t mbedtls_cipher_info_get_iv_size(
const mbedtls_cipher_info_t *info)
{
if (info == NULL) {
return 0;
}
return ((size_t) info->MBEDTLS_PRIVATE(iv_size)) << MBEDTLS_IV_SIZE_SHIFT;
}
static inline size_t mbedtls_cipher_info_get_block_size(
const mbedtls_cipher_info_t *info)
{
if (info == NULL) {
return 0;
}
return (size_t) (info->MBEDTLS_PRIVATE(block_size));
}
static inline int mbedtls_cipher_info_has_variable_key_bitlen(
const mbedtls_cipher_info_t *info)
{
if (info == NULL) {
return 0;
}
return info->MBEDTLS_PRIVATE(flags) & MBEDTLS_CIPHER_VARIABLE_KEY_LEN;
}
static inline int mbedtls_cipher_info_has_variable_iv_size(
const mbedtls_cipher_info_t *info)
{
if (info == NULL) {
return 0;
}
return info->MBEDTLS_PRIVATE(flags) & MBEDTLS_CIPHER_VARIABLE_IV_LEN;
}
void mbedtls_cipher_init(mbedtls_cipher_context_t *ctx);
void mbedtls_cipher_free(mbedtls_cipher_context_t *ctx);
int mbedtls_cipher_setup(mbedtls_cipher_context_t *ctx,
const mbedtls_cipher_info_t *cipher_info);
#if defined(MBEDTLS_USE_PSA_CRYPTO)
#if !defined(MBEDTLS_DEPRECATED_REMOVED)
int MBEDTLS_DEPRECATED mbedtls_cipher_setup_psa(mbedtls_cipher_context_t *ctx,
const mbedtls_cipher_info_t *cipher_info,
size_t taglen);
#endif /* MBEDTLS_DEPRECATED_REMOVED */
#endif /* MBEDTLS_USE_PSA_CRYPTO */
static inline unsigned int mbedtls_cipher_get_block_size(
const mbedtls_cipher_context_t *ctx)
{
if (ctx->MBEDTLS_PRIVATE(cipher_info) == NULL) {
return 0;
}
return (unsigned int) ctx->MBEDTLS_PRIVATE(cipher_info)->MBEDTLS_PRIVATE(block_size);
}
static inline mbedtls_cipher_mode_t mbedtls_cipher_get_cipher_mode(
const mbedtls_cipher_context_t *ctx)
{
if (ctx->MBEDTLS_PRIVATE(cipher_info) == NULL) {
return MBEDTLS_MODE_NONE;
}
return (mbedtls_cipher_mode_t) ctx->MBEDTLS_PRIVATE(cipher_info)->MBEDTLS_PRIVATE(mode);
}
static inline int mbedtls_cipher_get_iv_size(
const mbedtls_cipher_context_t *ctx)
{
if (ctx->MBEDTLS_PRIVATE(cipher_info) == NULL) {
return 0;
}
if (ctx->MBEDTLS_PRIVATE(iv_size) != 0) {
return (int) ctx->MBEDTLS_PRIVATE(iv_size);
}
return (int) (((int) ctx->MBEDTLS_PRIVATE(cipher_info)->MBEDTLS_PRIVATE(iv_size)) <<
MBEDTLS_IV_SIZE_SHIFT);
}
static inline mbedtls_cipher_type_t mbedtls_cipher_get_type(
const mbedtls_cipher_context_t *ctx)
{
if (ctx->MBEDTLS_PRIVATE(cipher_info) == NULL) {
return MBEDTLS_CIPHER_NONE;
}
return (mbedtls_cipher_type_t) ctx->MBEDTLS_PRIVATE(cipher_info)->MBEDTLS_PRIVATE(type);
}
static inline const char *mbedtls_cipher_get_name(
const mbedtls_cipher_context_t *ctx)
{
if (ctx->MBEDTLS_PRIVATE(cipher_info) == NULL) {
return 0;
}
return ctx->MBEDTLS_PRIVATE(cipher_info)->MBEDTLS_PRIVATE(name);
}
static inline int mbedtls_cipher_get_key_bitlen(
const mbedtls_cipher_context_t *ctx)
{
if (ctx->MBEDTLS_PRIVATE(cipher_info) == NULL) {
return MBEDTLS_KEY_LENGTH_NONE;
}
return (int) ctx->MBEDTLS_PRIVATE(cipher_info)->MBEDTLS_PRIVATE(key_bitlen) <<
MBEDTLS_KEY_BITLEN_SHIFT;
}
static inline mbedtls_operation_t mbedtls_cipher_get_operation(
const mbedtls_cipher_context_t *ctx)
{
if (ctx->MBEDTLS_PRIVATE(cipher_info) == NULL) {
return MBEDTLS_OPERATION_NONE;
}
return ctx->MBEDTLS_PRIVATE(operation);
}
int mbedtls_cipher_setkey(mbedtls_cipher_context_t *ctx,
const unsigned char *key,
int key_bitlen,
const mbedtls_operation_t operation);
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
int mbedtls_cipher_set_padding_mode(mbedtls_cipher_context_t *ctx,
mbedtls_cipher_padding_t mode);
#endif /* MBEDTLS_CIPHER_MODE_WITH_PADDING */
int mbedtls_cipher_set_iv(mbedtls_cipher_context_t *ctx,
const unsigned char *iv,
size_t iv_len);
int mbedtls_cipher_reset(mbedtls_cipher_context_t *ctx);
#if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C)
int mbedtls_cipher_update_ad(mbedtls_cipher_context_t *ctx,
const unsigned char *ad, size_t ad_len);
#endif /* MBEDTLS_GCM_C || MBEDTLS_CHACHAPOLY_C */
int mbedtls_cipher_update(mbedtls_cipher_context_t *ctx,
const unsigned char *input,
size_t ilen, unsigned char *output,
size_t *olen);
int mbedtls_cipher_finish(mbedtls_cipher_context_t *ctx,
unsigned char *output, size_t *olen);
int mbedtls_cipher_finish_padded(mbedtls_cipher_context_t *ctx,
unsigned char *output, size_t *olen,
size_t *invalid_padding);
#if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C)
int mbedtls_cipher_write_tag(mbedtls_cipher_context_t *ctx,
unsigned char *tag, size_t tag_len);
int mbedtls_cipher_check_tag(mbedtls_cipher_context_t *ctx,
const unsigned char *tag, size_t tag_len);
#endif /* MBEDTLS_GCM_C || MBEDTLS_CHACHAPOLY_C */
int mbedtls_cipher_crypt(mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len,
const unsigned char *input, size_t ilen,
unsigned char *output, size_t *olen);
#if defined(MBEDTLS_CIPHER_MODE_AEAD) || defined(MBEDTLS_NIST_KW_C)
int mbedtls_cipher_auth_encrypt_ext(mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len,
const unsigned char *ad, size_t ad_len,
const unsigned char *input, size_t ilen,
unsigned char *output, size_t output_len,
size_t *olen, size_t tag_len);
int mbedtls_cipher_auth_decrypt_ext(mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len,
const unsigned char *ad, size_t ad_len,
const unsigned char *input, size_t ilen,
unsigned char *output, size_t output_len,
size_t *olen, size_t tag_len);
#endif /* MBEDTLS_CIPHER_MODE_AEAD || MBEDTLS_NIST_KW_C */
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_CIPHER_H */
mbedtls_cipher_setup
int mbedtls_cipher_setup(mbedtls_cipher_context_t *ctx, const mbedtls_cipher_info_t *cipher_info)
This function prepares a cipher context for use with the given cipher primitive.
mbedtls_cipher_type_t
mbedtls_cipher_type_t
Supported {cipher type, cipher mode} pairs.
Definition cipher.h:84
MBEDTLS_CIPHER_AES_128_ECB
@ MBEDTLS_CIPHER_AES_128_ECB
Definition cipher.h:87
MBEDTLS_CIPHER_ARIA_256_CTR
@ MBEDTLS_CIPHER_ARIA_256_CTR
Definition cipher.h:146
MBEDTLS_CIPHER_CAMELLIA_128_GCM
@ MBEDTLS_CIPHER_CAMELLIA_128_GCM
Definition cipher.h:114
MBEDTLS_CIPHER_AES_128_XTS
@ MBEDTLS_CIPHER_AES_128_XTS
Definition cipher.h:159
MBEDTLS_CIPHER_CAMELLIA_128_CCM_STAR_NO_TAG
@ MBEDTLS_CIPHER_CAMELLIA_128_CCM_STAR_NO_TAG
Definition cipher.h:132
MBEDTLS_CIPHER_CHACHA20
@ MBEDTLS_CIPHER_CHACHA20
Definition cipher.h:161
MBEDTLS_CIPHER_DES_EDE3_CBC
@ MBEDTLS_CIPHER_DES_EDE3_CBC
Definition cipher.h:122
MBEDTLS_CIPHER_DES_ECB
@ MBEDTLS_CIPHER_DES_ECB
Definition cipher.h:117
MBEDTLS_CIPHER_ARIA_128_GCM
@ MBEDTLS_CIPHER_ARIA_128_GCM
Definition cipher.h:147
MBEDTLS_CIPHER_AES_128_CCM_STAR_NO_TAG
@ MBEDTLS_CIPHER_AES_128_CCM_STAR_NO_TAG
Definition cipher.h:126
MBEDTLS_CIPHER_AES_128_CBC
@ MBEDTLS_CIPHER_AES_128_CBC
Definition cipher.h:90
MBEDTLS_CIPHER_AES_192_GCM
@ MBEDTLS_CIPHER_AES_192_GCM
Definition cipher.h:100
MBEDTLS_CIPHER_AES_128_OFB
@ MBEDTLS_CIPHER_AES_128_OFB
Definition cipher.h:156
MBEDTLS_CIPHER_ARIA_192_ECB
@ MBEDTLS_CIPHER_ARIA_192_ECB
Definition cipher.h:136
MBEDTLS_CIPHER_CAMELLIA_256_GCM
@ MBEDTLS_CIPHER_CAMELLIA_256_GCM
Definition cipher.h:116
MBEDTLS_CIPHER_DES_EDE_ECB
@ MBEDTLS_CIPHER_DES_EDE_ECB
Definition cipher.h:119
MBEDTLS_CIPHER_AES_192_CCM_STAR_NO_TAG
@ MBEDTLS_CIPHER_AES_192_CCM_STAR_NO_TAG
Definition cipher.h:127
MBEDTLS_CIPHER_ARIA_256_CFB128
@ MBEDTLS_CIPHER_ARIA_256_CFB128
Definition cipher.h:143
MBEDTLS_CIPHER_ARIA_192_CBC
@ MBEDTLS_CIPHER_ARIA_192_CBC
Definition cipher.h:139
MBEDTLS_CIPHER_CAMELLIA_192_CBC
@ MBEDTLS_CIPHER_CAMELLIA_192_CBC
Definition cipher.h:106
MBEDTLS_CIPHER_ARIA_128_CTR
@ MBEDTLS_CIPHER_ARIA_128_CTR
Definition cipher.h:144
MBEDTLS_CIPHER_ARIA_192_CCM
@ MBEDTLS_CIPHER_ARIA_192_CCM
Definition cipher.h:151
MBEDTLS_CIPHER_CAMELLIA_192_GCM
@ MBEDTLS_CIPHER_CAMELLIA_192_GCM
Definition cipher.h:115
MBEDTLS_CIPHER_AES_192_OFB
@ MBEDTLS_CIPHER_AES_192_OFB
Definition cipher.h:157
MBEDTLS_CIPHER_AES_256_CCM_STAR_NO_TAG
@ MBEDTLS_CIPHER_AES_256_CCM_STAR_NO_TAG
Definition cipher.h:128
MBEDTLS_CIPHER_AES_256_ECB
@ MBEDTLS_CIPHER_AES_256_ECB
Definition cipher.h:89
MBEDTLS_CIPHER_AES_256_CTR
@ MBEDTLS_CIPHER_AES_256_CTR
Definition cipher.h:98
MBEDTLS_CIPHER_AES_192_CCM
@ MBEDTLS_CIPHER_AES_192_CCM
Definition cipher.h:124
MBEDTLS_CIPHER_AES_128_CFB128
@ MBEDTLS_CIPHER_AES_128_CFB128
Definition cipher.h:93
MBEDTLS_CIPHER_CAMELLIA_192_CFB128
@ MBEDTLS_CIPHER_CAMELLIA_192_CFB128
Definition cipher.h:109
MBEDTLS_CIPHER_CAMELLIA_128_CCM
@ MBEDTLS_CIPHER_CAMELLIA_128_CCM
Definition cipher.h:129
MBEDTLS_CIPHER_AES_128_CTR
@ MBEDTLS_CIPHER_AES_128_CTR
Definition cipher.h:96
MBEDTLS_CIPHER_ARIA_192_GCM
@ MBEDTLS_CIPHER_ARIA_192_GCM
Definition cipher.h:148
MBEDTLS_CIPHER_AES_256_XTS
@ MBEDTLS_CIPHER_AES_256_XTS
Definition cipher.h:160
MBEDTLS_CIPHER_AES_192_CFB128
@ MBEDTLS_CIPHER_AES_192_CFB128
Definition cipher.h:94
MBEDTLS_CIPHER_ARIA_256_ECB
@ MBEDTLS_CIPHER_ARIA_256_ECB
Definition cipher.h:137
MBEDTLS_CIPHER_CAMELLIA_256_CCM
@ MBEDTLS_CIPHER_CAMELLIA_256_CCM
Definition cipher.h:131
MBEDTLS_CIPHER_AES_256_GCM
@ MBEDTLS_CIPHER_AES_256_GCM
Definition cipher.h:101
MBEDTLS_CIPHER_DES_CBC
@ MBEDTLS_CIPHER_DES_CBC
Definition cipher.h:118
MBEDTLS_CIPHER_CAMELLIA_128_CFB128
@ MBEDTLS_CIPHER_CAMELLIA_128_CFB128
Definition cipher.h:108
MBEDTLS_CIPHER_CAMELLIA_128_CBC
@ MBEDTLS_CIPHER_CAMELLIA_128_CBC
Definition cipher.h:105
MBEDTLS_CIPHER_AES_256_CCM
@ MBEDTLS_CIPHER_AES_256_CCM
Definition cipher.h:125
MBEDTLS_CIPHER_CAMELLIA_256_CFB128
@ MBEDTLS_CIPHER_CAMELLIA_256_CFB128
Definition cipher.h:110
MBEDTLS_CIPHER_CAMELLIA_256_CCM_STAR_NO_TAG
@ MBEDTLS_CIPHER_CAMELLIA_256_CCM_STAR_NO_TAG
Definition cipher.h:134
MBEDTLS_CIPHER_CAMELLIA_192_CCM_STAR_NO_TAG
@ MBEDTLS_CIPHER_CAMELLIA_192_CCM_STAR_NO_TAG
Definition cipher.h:133
MBEDTLS_CIPHER_ARIA_192_CTR
@ MBEDTLS_CIPHER_ARIA_192_CTR
Definition cipher.h:145
MBEDTLS_CIPHER_ARIA_192_CCM_STAR_NO_TAG
@ MBEDTLS_CIPHER_ARIA_192_CCM_STAR_NO_TAG
Definition cipher.h:154
MBEDTLS_CIPHER_CAMELLIA_256_ECB
@ MBEDTLS_CIPHER_CAMELLIA_256_ECB
Definition cipher.h:104
MBEDTLS_CIPHER_AES_256_KW
@ MBEDTLS_CIPHER_AES_256_KW
Definition cipher.h:165
MBEDTLS_CIPHER_AES_128_GCM
@ MBEDTLS_CIPHER_AES_128_GCM
Definition cipher.h:99
MBEDTLS_CIPHER_CAMELLIA_192_ECB
@ MBEDTLS_CIPHER_CAMELLIA_192_ECB
Definition cipher.h:103
MBEDTLS_CIPHER_ARIA_256_CCM_STAR_NO_TAG
@ MBEDTLS_CIPHER_ARIA_256_CCM_STAR_NO_TAG
Definition cipher.h:155
MBEDTLS_CIPHER_AES_256_CFB128
@ MBEDTLS_CIPHER_AES_256_CFB128
Definition cipher.h:95
MBEDTLS_CIPHER_NONE
@ MBEDTLS_CIPHER_NONE
Definition cipher.h:85
MBEDTLS_CIPHER_CHACHA20_POLY1305
@ MBEDTLS_CIPHER_CHACHA20_POLY1305
Definition cipher.h:162
MBEDTLS_CIPHER_CAMELLIA_128_ECB
@ MBEDTLS_CIPHER_CAMELLIA_128_ECB
Definition cipher.h:102
MBEDTLS_CIPHER_AES_192_CBC
@ MBEDTLS_CIPHER_AES_192_CBC
Definition cipher.h:91
MBEDTLS_CIPHER_CAMELLIA_192_CCM
@ MBEDTLS_CIPHER_CAMELLIA_192_CCM
Definition cipher.h:130
MBEDTLS_CIPHER_ARIA_128_CCM
@ MBEDTLS_CIPHER_ARIA_128_CCM
Definition cipher.h:150
MBEDTLS_CIPHER_AES_192_CTR
@ MBEDTLS_CIPHER_AES_192_CTR
Definition cipher.h:97
MBEDTLS_CIPHER_AES_128_CCM
@ MBEDTLS_CIPHER_AES_128_CCM
Definition cipher.h:123
MBEDTLS_CIPHER_DES_EDE_CBC
@ MBEDTLS_CIPHER_DES_EDE_CBC
Definition cipher.h:120
MBEDTLS_CIPHER_NULL
@ MBEDTLS_CIPHER_NULL
Definition cipher.h:86
MBEDTLS_CIPHER_ARIA_256_CBC
@ MBEDTLS_CIPHER_ARIA_256_CBC
Definition cipher.h:140
MBEDTLS_CIPHER_AES_256_OFB
@ MBEDTLS_CIPHER_AES_256_OFB
Definition cipher.h:158
MBEDTLS_CIPHER_ARIA_192_CFB128
@ MBEDTLS_CIPHER_ARIA_192_CFB128
Definition cipher.h:142
MBEDTLS_CIPHER_CAMELLIA_128_CTR
@ MBEDTLS_CIPHER_CAMELLIA_128_CTR
Definition cipher.h:111
MBEDTLS_CIPHER_AES_256_KWP
@ MBEDTLS_CIPHER_AES_256_KWP
Definition cipher.h:168
MBEDTLS_CIPHER_AES_256_CBC
@ MBEDTLS_CIPHER_AES_256_CBC
Definition cipher.h:92
MBEDTLS_CIPHER_CAMELLIA_192_CTR
@ MBEDTLS_CIPHER_CAMELLIA_192_CTR
Definition cipher.h:112
MBEDTLS_CIPHER_AES_128_KW
@ MBEDTLS_CIPHER_AES_128_KW
Definition cipher.h:163
MBEDTLS_CIPHER_AES_192_KW
@ MBEDTLS_CIPHER_AES_192_KW
Definition cipher.h:164
MBEDTLS_CIPHER_AES_192_KWP
@ MBEDTLS_CIPHER_AES_192_KWP
Definition cipher.h:167
MBEDTLS_CIPHER_AES_192_ECB
@ MBEDTLS_CIPHER_AES_192_ECB
Definition cipher.h:88
MBEDTLS_CIPHER_ARIA_256_GCM
@ MBEDTLS_CIPHER_ARIA_256_GCM
Definition cipher.h:149
MBEDTLS_CIPHER_AES_128_KWP
@ MBEDTLS_CIPHER_AES_128_KWP
Definition cipher.h:166
MBEDTLS_CIPHER_DES_EDE3_ECB
@ MBEDTLS_CIPHER_DES_EDE3_ECB
Definition cipher.h:121
MBEDTLS_CIPHER_ARIA_128_CCM_STAR_NO_TAG
@ MBEDTLS_CIPHER_ARIA_128_CCM_STAR_NO_TAG
Definition cipher.h:153
MBEDTLS_CIPHER_ARIA_128_CBC
@ MBEDTLS_CIPHER_ARIA_128_CBC
Definition cipher.h:138
MBEDTLS_CIPHER_CAMELLIA_256_CTR
@ MBEDTLS_CIPHER_CAMELLIA_256_CTR
Definition cipher.h:113
MBEDTLS_CIPHER_ARIA_128_ECB
@ MBEDTLS_CIPHER_ARIA_128_ECB
Definition cipher.h:135
MBEDTLS_CIPHER_CAMELLIA_256_CBC
@ MBEDTLS_CIPHER_CAMELLIA_256_CBC
Definition cipher.h:107
MBEDTLS_CIPHER_ARIA_256_CCM
@ MBEDTLS_CIPHER_ARIA_256_CCM
Definition cipher.h:152
MBEDTLS_CIPHER_ARIA_128_CFB128
@ MBEDTLS_CIPHER_ARIA_128_CFB128
Definition cipher.h:141
mbedtls_cipher_setkey
int mbedtls_cipher_setkey(mbedtls_cipher_context_t *ctx, const unsigned char *key, int key_bitlen, const mbedtls_operation_t operation)
This function sets the key to use with the given context.
MBEDTLS_IV_SIZE_SHIFT
#define MBEDTLS_IV_SIZE_SHIFT
Definition cipher.h:312
mbedtls_cipher_info_get_iv_size
static size_t mbedtls_cipher_info_get_iv_size(const mbedtls_cipher_info_t *info)
This function returns the size of the IV or nonce for the cipher info structure, in bytes.
Definition cipher.h:525
MBEDTLS_KEY_BITLEN_SHIFT
#define MBEDTLS_KEY_BITLEN_SHIFT
Definition cipher.h:311
mbedtls_cipher_crypt
int mbedtls_cipher_crypt(mbedtls_cipher_context_t *ctx, const unsigned char *iv, size_t iv_len, const unsigned char *input, size_t ilen, unsigned char *output, size_t *olen)
The generic all-in-one encryption/decryption function, for all ciphers except AEAD constructs.
mbedtls_cipher_info_from_type
const mbedtls_cipher_info_t * mbedtls_cipher_info_from_type(const mbedtls_cipher_type_t cipher_type)
This function retrieves the cipher-information structure associated with the given cipher type.
mbedtls_cipher_reset
int mbedtls_cipher_reset(mbedtls_cipher_context_t *ctx)
This function resets the cipher state.
mbedtls_cipher_info_get_mode
static mbedtls_cipher_mode_t mbedtls_cipher_info_get_mode(const mbedtls_cipher_info_t *info)
Retrieve the operation mode for a cipher info structure.
Definition cipher.h:463
mbedtls_cipher_info_get_block_size
static size_t mbedtls_cipher_info_get_block_size(const mbedtls_cipher_info_t *info)
This function returns the block size of the given cipher info structure in bytes.
Definition cipher.h:545
mbedtls_cipher_auth_decrypt_ext
int mbedtls_cipher_auth_decrypt_ext(mbedtls_cipher_context_t *ctx, const unsigned char *iv, size_t iv_len, const unsigned char *ad, size_t ad_len, const unsigned char *input, size_t ilen, unsigned char *output, size_t output_len, size_t *olen, size_t tag_len)
The authenticated encryption (AEAD/NIST_KW) function.
MBEDTLS_CIPHER_VARIABLE_IV_LEN
#define MBEDTLS_CIPHER_VARIABLE_IV_LEN
Definition cipher.h:52
mbedtls_cipher_info_has_variable_iv_size
static int mbedtls_cipher_info_has_variable_iv_size(const mbedtls_cipher_info_t *info)
This function returns a non-zero value if the IV size for the given cipher is variable.
Definition cipher.h:583
mbedtls_cipher_set_iv
int mbedtls_cipher_set_iv(mbedtls_cipher_context_t *ctx, const unsigned char *iv, size_t iv_len)
This function sets the initialization vector (IV) or nonce.
mbedtls_cipher_padding_t
mbedtls_cipher_padding_t
Definition cipher.h:190
MBEDTLS_PADDING_ZEROS
@ MBEDTLS_PADDING_ZEROS
Definition cipher.h:194
MBEDTLS_PADDING_ONE_AND_ZEROS
@ MBEDTLS_PADDING_ONE_AND_ZEROS
Definition cipher.h:192
MBEDTLS_PADDING_PKCS7
@ MBEDTLS_PADDING_PKCS7
Definition cipher.h:191
MBEDTLS_PADDING_ZEROS_AND_LEN
@ MBEDTLS_PADDING_ZEROS_AND_LEN
Definition cipher.h:193
MBEDTLS_PADDING_NONE
@ MBEDTLS_PADDING_NONE
Definition cipher.h:195
mbedtls_cipher_auth_encrypt_ext
int mbedtls_cipher_auth_encrypt_ext(mbedtls_cipher_context_t *ctx, const unsigned char *iv, size_t iv_len, const unsigned char *ad, size_t ad_len, const unsigned char *input, size_t ilen, unsigned char *output, size_t output_len, size_t *olen, size_t tag_len)
The authenticated encryption (AEAD/NIST_KW) function.
mbedtls_cipher_finish
int mbedtls_cipher_finish(mbedtls_cipher_context_t *ctx, unsigned char *output, size_t *olen)
The generic cipher finalization function. If data still needs to be flushed from an incomplete block,...
mbedtls_cipher_get_key_bitlen
static int mbedtls_cipher_get_key_bitlen(const mbedtls_cipher_context_t *ctx)
This function returns the key length of the cipher.
Definition cipher.h:785
MBEDTLS_KEY_LENGTH_DES
@ MBEDTLS_KEY_LENGTH_DES
Definition cipher.h:209
MBEDTLS_KEY_LENGTH_NONE
@ MBEDTLS_KEY_LENGTH_NONE
Definition cipher.h:207
MBEDTLS_KEY_LENGTH_DES_EDE
@ MBEDTLS_KEY_LENGTH_DES_EDE
Definition cipher.h:211
MBEDTLS_KEY_LENGTH_DES_EDE3
@ MBEDTLS_KEY_LENGTH_DES_EDE3
Definition cipher.h:213
mbedtls_cipher_info_from_values
const mbedtls_cipher_info_t * mbedtls_cipher_info_from_values(const mbedtls_cipher_id_t cipher_id, int key_bitlen, const mbedtls_cipher_mode_t mode)
This function retrieves the cipher-information structure associated with the given cipher ID,...
mbedtls_cipher_init
void mbedtls_cipher_init(mbedtls_cipher_context_t *ctx)
This function initializes a ctx as NONE.
mbedtls_cipher_update_ad
int mbedtls_cipher_update_ad(mbedtls_cipher_context_t *ctx, const unsigned char *ad, size_t ad_len)
This function adds additional data for AEAD ciphers. Currently supported with GCM and ChaCha20+Poly13...
MBEDTLS_CIPHER_VARIABLE_KEY_LEN
#define MBEDTLS_CIPHER_VARIABLE_KEY_LEN
Definition cipher.h:53
mbedtls_cipher_write_tag
int mbedtls_cipher_write_tag(mbedtls_cipher_context_t *ctx, unsigned char *tag, size_t tag_len)
This function writes a tag for AEAD ciphers. Currently supported with GCM and ChaCha20+Poly1305....
mbedtls_cipher_get_operation
static mbedtls_operation_t mbedtls_cipher_get_operation(const mbedtls_cipher_context_t *ctx)
This function returns the operation of the given cipher.
Definition cipher.h:804
mbedtls_cipher_free
void mbedtls_cipher_free(mbedtls_cipher_context_t *ctx)
This function frees and clears the cipher-specific context of ctx. Freeing ctx itself remains the res...
mbedtls_cipher_get_iv_size
static int mbedtls_cipher_get_iv_size(const mbedtls_cipher_context_t *ctx)
This function returns the size of the IV or nonce of the cipher, in Bytes.
Definition cipher.h:724
mbedtls_cipher_update
int mbedtls_cipher_update(mbedtls_cipher_context_t *ctx, const unsigned char *input, size_t ilen, unsigned char *output, size_t *olen)
The generic cipher update function. It encrypts or decrypts using the given cipher context....
mbedtls_cipher_get_type
static mbedtls_cipher_type_t mbedtls_cipher_get_type(const mbedtls_cipher_context_t *ctx)
This function returns the type of the given cipher.
Definition cipher.h:747
mbedtls_cipher_get_block_size
static unsigned int mbedtls_cipher_get_block_size(const mbedtls_cipher_context_t *ctx)
This function returns the block size of the given cipher in bytes.
Definition cipher.h:685
mbedtls_cipher_info_get_name
static const char * mbedtls_cipher_info_get_name(const mbedtls_cipher_info_t *info)
Retrieve the human-readable name for a cipher info structure.
Definition cipher.h:505
mbedtls_cipher_base_t
struct mbedtls_cipher_base_t mbedtls_cipher_base_t
Definition cipher.h:244
mbedtls_operation_t
mbedtls_operation_t
Definition cipher.h:199
MBEDTLS_DECRYPT
@ MBEDTLS_DECRYPT
Definition cipher.h:201
MBEDTLS_OPERATION_NONE
@ MBEDTLS_OPERATION_NONE
Definition cipher.h:200
MBEDTLS_ENCRYPT
@ MBEDTLS_ENCRYPT
Definition cipher.h:202
mbedtls_cipher_info_from_string
const mbedtls_cipher_info_t * mbedtls_cipher_info_from_string(const char *cipher_name)
This function retrieves the cipher-information structure associated with the given cipher name.
mbedtls_cmac_context_t
struct mbedtls_cmac_context_t mbedtls_cmac_context_t
Definition cipher.h:249
mbedtls_cipher_list
const int * mbedtls_cipher_list(void)
This function retrieves the list of ciphers supported by the generic cipher module.
mbedtls_cipher_get_name
static const char * mbedtls_cipher_get_name(const mbedtls_cipher_context_t *ctx)
This function returns the name of the given cipher as a string.
Definition cipher.h:766
MBEDTLS_MAX_BLOCK_LENGTH
#define MBEDTLS_MAX_BLOCK_LENGTH
Definition cipher.h:226
mbedtls_cipher_info_has_variable_key_bitlen
static int mbedtls_cipher_info_has_variable_key_bitlen(const mbedtls_cipher_info_t *info)
This function returns a non-zero value if the key length for the given cipher is variable.
Definition cipher.h:564
mbedtls_cipher_check_tag
int mbedtls_cipher_check_tag(mbedtls_cipher_context_t *ctx, const unsigned char *tag, size_t tag_len)
This function checks the tag for AEAD ciphers. Currently supported with GCM and ChaCha20+Poly1305....
mbedtls_cipher_finish_padded
int mbedtls_cipher_finish_padded(mbedtls_cipher_context_t *ctx, unsigned char *output, size_t *olen, size_t *invalid_padding)
The generic cipher finalization function. If data still needs to be flushed from an incomplete block,...
mbedtls_cipher_info_get_type
static mbedtls_cipher_type_t mbedtls_cipher_info_get_type(const mbedtls_cipher_info_t *info)
Retrieve the identifier for a cipher info structure.
Definition cipher.h:444
mbedtls_cipher_get_cipher_mode
static mbedtls_cipher_mode_t mbedtls_cipher_get_cipher_mode(const mbedtls_cipher_context_t *ctx)
This function returns the mode of operation for the cipher. For example, MBEDTLS_MODE_CBC.
Definition cipher.h:704
mbedtls_cipher_mode_t
mbedtls_cipher_mode_t
Definition cipher.h:172
MBEDTLS_MODE_ECB
@ MBEDTLS_MODE_ECB
Definition cipher.h:174
MBEDTLS_MODE_CCM
@ MBEDTLS_MODE_CCM
Definition cipher.h:181
MBEDTLS_MODE_STREAM
@ MBEDTLS_MODE_STREAM
Definition cipher.h:180
MBEDTLS_MODE_NONE
@ MBEDTLS_MODE_NONE
Definition cipher.h:173
MBEDTLS_MODE_CFB
@ MBEDTLS_MODE_CFB
Definition cipher.h:176
MBEDTLS_MODE_CTR
@ MBEDTLS_MODE_CTR
Definition cipher.h:178
MBEDTLS_MODE_GCM
@ MBEDTLS_MODE_GCM
Definition cipher.h:179
MBEDTLS_MODE_CCM_STAR_NO_TAG
@ MBEDTLS_MODE_CCM_STAR_NO_TAG
Definition cipher.h:182
MBEDTLS_MODE_KW
@ MBEDTLS_MODE_KW
Definition cipher.h:185
MBEDTLS_MODE_CBC
@ MBEDTLS_MODE_CBC
Definition cipher.h:175
MBEDTLS_MODE_OFB
@ MBEDTLS_MODE_OFB
Definition cipher.h:177
MBEDTLS_MODE_KWP
@ MBEDTLS_MODE_KWP
Definition cipher.h:186
MBEDTLS_MODE_CHACHAPOLY
@ MBEDTLS_MODE_CHACHAPOLY
Definition cipher.h:184
MBEDTLS_MODE_XTS
@ MBEDTLS_MODE_XTS
Definition cipher.h:183
MBEDTLS_MAX_IV_LENGTH
#define MBEDTLS_MAX_IV_LENGTH
Definition cipher.h:220
mbedtls_cipher_id_t
mbedtls_cipher_id_t
Supported cipher types.
Definition cipher.h:66
MBEDTLS_CIPHER_ID_3DES
@ MBEDTLS_CIPHER_ID_3DES
Definition cipher.h:71
MBEDTLS_CIPHER_ID_CAMELLIA
@ MBEDTLS_CIPHER_ID_CAMELLIA
Definition cipher.h:72
MBEDTLS_CIPHER_ID_DES
@ MBEDTLS_CIPHER_ID_DES
Definition cipher.h:70
MBEDTLS_CIPHER_ID_NULL
@ MBEDTLS_CIPHER_ID_NULL
Definition cipher.h:68
MBEDTLS_CIPHER_ID_AES
@ MBEDTLS_CIPHER_ID_AES
Definition cipher.h:69
MBEDTLS_CIPHER_ID_ARIA
@ MBEDTLS_CIPHER_ID_ARIA
Definition cipher.h:73
MBEDTLS_CIPHER_ID_NONE
@ MBEDTLS_CIPHER_ID_NONE
Definition cipher.h:67
MBEDTLS_CIPHER_ID_CHACHA20
@ MBEDTLS_CIPHER_ID_CHACHA20
Definition cipher.h:74
mbedtls_cipher_set_padding_mode
int mbedtls_cipher_set_padding_mode(mbedtls_cipher_context_t *ctx, mbedtls_cipher_padding_t mode)
This function sets the padding mode, for cipher modes that use padding.
mbedtls_cipher_info_get_key_bitlen
static size_t mbedtls_cipher_info_get_key_bitlen(const mbedtls_cipher_info_t *info)
Retrieve the key size for a cipher info structure.
Definition cipher.h:484
build_info.h
Build-time configuration info.
platform_util.h
Common and shared functions used by multiple modules in the Mbed TLS library.
MBEDTLS_DEPRECATED
#define MBEDTLS_DEPRECATED
Definition platform_util.h:29
private_access.h
Macro wrapper for struct's members.
MBEDTLS_PRIVATE
#define MBEDTLS_PRIVATE(member)
Definition private_access.h:15
mbedtls_cipher_context_t
Definition cipher.h:316
mbedtls_cipher_info_t
Definition cipher.h:266
mbedtls_cmac_context_t
Definition cmac.h:59