XenevaOS
Loading...
Searching...
No Matches
aes.h
Go to the documentation of this file.
1
23/*
24 * Copyright The Mbed TLS Contributors
25 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
26 */
27
28#ifndef MBEDTLS_AES_H
29#define MBEDTLS_AES_H
30#include "mbedtls/private_access.h"
31
32#include "mbedtls/build_info.h"
33#include "mbedtls/platform_util.h"
34
35#include <stddef.h>
36#include <stdint.h>
37
38/* padlock.c and aesni.c rely on these values! */
39#define MBEDTLS_AES_ENCRYPT 1
40#define MBEDTLS_AES_DECRYPT 0
42/* Error codes in range 0x0020-0x0022 */
44#define MBEDTLS_ERR_AES_INVALID_KEY_LENGTH -0x0020
46#define MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH -0x0022
47
48/* Error codes in range 0x0021-0x0025 */
50#define MBEDTLS_ERR_AES_BAD_INPUT_DATA -0x0021
51
52#ifdef __cplusplus
53extern "C" {
54#endif
55
56#if !defined(MBEDTLS_AES_ALT)
57// Regular implementation
58//
59
63typedef struct mbedtls_aes_context {
64 int MBEDTLS_PRIVATE(nr);
65 size_t MBEDTLS_PRIVATE(rk_offset);
67#if defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH) && !defined(MBEDTLS_PADLOCK_C)
68 uint32_t MBEDTLS_PRIVATE(buf)[44];
70#else
71 uint32_t MBEDTLS_PRIVATE(buf)[68];
79#endif /* MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH && !MBEDTLS_PADLOCK_C */
80}
81mbedtls_aes_context;
82
83#if defined(MBEDTLS_CIPHER_MODE_XTS)
87typedef struct mbedtls_aes_xts_context {
88 mbedtls_aes_context MBEDTLS_PRIVATE(crypt);
90 mbedtls_aes_context MBEDTLS_PRIVATE(tweak);
92} mbedtls_aes_xts_context;
93#endif /* MBEDTLS_CIPHER_MODE_XTS */
94
95#else /* MBEDTLS_AES_ALT */
96#include "aes_alt.h"
97#endif /* MBEDTLS_AES_ALT */
98
107void mbedtls_aes_init(mbedtls_aes_context *ctx);
108
116void mbedtls_aes_free(mbedtls_aes_context *ctx);
117
118#if defined(MBEDTLS_CIPHER_MODE_XTS)
127void mbedtls_aes_xts_init(mbedtls_aes_xts_context *ctx);
128
136void mbedtls_aes_xts_free(mbedtls_aes_xts_context *ctx);
137#endif /* MBEDTLS_CIPHER_MODE_XTS */
138
154MBEDTLS_CHECK_RETURN_TYPICAL
155int mbedtls_aes_setkey_enc(mbedtls_aes_context *ctx, const unsigned char *key,
156 unsigned int keybits);
157
158#if !defined(MBEDTLS_BLOCK_CIPHER_NO_DECRYPT)
174MBEDTLS_CHECK_RETURN_TYPICAL
175int mbedtls_aes_setkey_dec(mbedtls_aes_context *ctx, const unsigned char *key,
176 unsigned int keybits);
177#endif /* !MBEDTLS_BLOCK_CIPHER_NO_DECRYPT */
178
179#if defined(MBEDTLS_CIPHER_MODE_XTS)
196MBEDTLS_CHECK_RETURN_TYPICAL
197int mbedtls_aes_xts_setkey_enc(mbedtls_aes_xts_context *ctx,
198 const unsigned char *key,
199 unsigned int keybits);
200
217MBEDTLS_CHECK_RETURN_TYPICAL
218int mbedtls_aes_xts_setkey_dec(mbedtls_aes_xts_context *ctx,
219 const unsigned char *key,
220 unsigned int keybits);
221#endif /* MBEDTLS_CIPHER_MODE_XTS */
222
246MBEDTLS_CHECK_RETURN_TYPICAL
247int mbedtls_aes_crypt_ecb(mbedtls_aes_context *ctx,
248 int mode,
249 const unsigned char input[16],
250 unsigned char output[16]);
251
252#if defined(MBEDTLS_CIPHER_MODE_CBC)
294MBEDTLS_CHECK_RETURN_TYPICAL
295int mbedtls_aes_crypt_cbc(mbedtls_aes_context *ctx,
296 int mode,
297 size_t length,
298 unsigned char iv[16],
299 const unsigned char *input,
300 unsigned char *output);
301#endif /* MBEDTLS_CIPHER_MODE_CBC */
302
303#if defined(MBEDTLS_CIPHER_MODE_XTS)
339MBEDTLS_CHECK_RETURN_TYPICAL
340int mbedtls_aes_crypt_xts(mbedtls_aes_xts_context *ctx,
341 int mode,
342 size_t length,
343 const unsigned char data_unit[16],
344 const unsigned char *input,
345 unsigned char *output);
346#endif /* MBEDTLS_CIPHER_MODE_XTS */
347
348#if defined(MBEDTLS_CIPHER_MODE_CFB)
388MBEDTLS_CHECK_RETURN_TYPICAL
389int mbedtls_aes_crypt_cfb128(mbedtls_aes_context *ctx,
390 int mode,
391 size_t length,
392 size_t *iv_off,
393 unsigned char iv[16],
394 const unsigned char *input,
395 unsigned char *output);
396
433MBEDTLS_CHECK_RETURN_TYPICAL
434int mbedtls_aes_crypt_cfb8(mbedtls_aes_context *ctx,
435 int mode,
436 size_t length,
437 unsigned char iv[16],
438 const unsigned char *input,
439 unsigned char *output);
440#endif /*MBEDTLS_CIPHER_MODE_CFB */
441
442#if defined(MBEDTLS_CIPHER_MODE_OFB)
488MBEDTLS_CHECK_RETURN_TYPICAL
489int mbedtls_aes_crypt_ofb(mbedtls_aes_context *ctx,
490 size_t length,
491 size_t *iv_off,
492 unsigned char iv[16],
493 const unsigned char *input,
494 unsigned char *output);
495
496#endif /* MBEDTLS_CIPHER_MODE_OFB */
497
498#if defined(MBEDTLS_CIPHER_MODE_CTR)
571MBEDTLS_CHECK_RETURN_TYPICAL
572int mbedtls_aes_crypt_ctr(mbedtls_aes_context *ctx,
573 size_t length,
574 size_t *nc_off,
575 unsigned char nonce_counter[16],
576 unsigned char stream_block[16],
577 const unsigned char *input,
578 unsigned char *output);
579#endif /* MBEDTLS_CIPHER_MODE_CTR */
580
592MBEDTLS_CHECK_RETURN_TYPICAL
593int mbedtls_internal_aes_encrypt(mbedtls_aes_context *ctx,
594 const unsigned char input[16],
595 unsigned char output[16]);
596
597#if !defined(MBEDTLS_BLOCK_CIPHER_NO_DECRYPT)
609MBEDTLS_CHECK_RETURN_TYPICAL
610int mbedtls_internal_aes_decrypt(mbedtls_aes_context *ctx,
611 const unsigned char input[16],
612 unsigned char output[16]);
613#endif /* !MBEDTLS_BLOCK_CIPHER_NO_DECRYPT */
614
615#if defined(MBEDTLS_SELF_TEST)
622MBEDTLS_CHECK_RETURN_CRITICAL
623int mbedtls_aes_self_test(int verbose);
624
625#endif /* MBEDTLS_SELF_TEST */
626
627#ifdef __cplusplus
628}
629#endif
630
631#endif /* aes.h */
uint32_t
unsigned int uint32_t
Definition acefiex.h:163
mbedtls_aes_crypt_ecb
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_aes_crypt_ecb(mbedtls_aes_context *ctx, int mode, const unsigned char input[16], unsigned char output[16])
This function performs an AES single-block encryption or decryption operation.
mbedtls_aes_setkey_enc
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_aes_setkey_enc(mbedtls_aes_context *ctx, const unsigned char *key, unsigned int keybits)
This function sets the encryption key.
mbedtls_internal_aes_decrypt
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_internal_aes_decrypt(mbedtls_aes_context *ctx, const unsigned char input[16], unsigned char output[16])
Internal AES block decryption function. This is only exposed to allow overriding it using see MBEDTLS...
mbedtls_aes_init
void mbedtls_aes_init(mbedtls_aes_context *ctx)
This function initializes the specified AES context.
mbedtls_aes_setkey_dec
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_aes_setkey_dec(mbedtls_aes_context *ctx, const unsigned char *key, unsigned int keybits)
This function sets the decryption key.
mbedtls_internal_aes_encrypt
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_internal_aes_encrypt(mbedtls_aes_context *ctx, const unsigned char input[16], unsigned char output[16])
Internal AES block encryption function. This is only exposed to allow overriding it using MBEDTLS_AES...
mbedtls_aes_free
void mbedtls_aes_free(mbedtls_aes_context *ctx)
This function releases and clears the specified AES context.
mbedtls_aes_self_test
int mbedtls_aes_self_test(int verbose)
build_info.h
Build-time configuration info.
platform_util.h
Common and shared functions used by multiple modules in the Mbed TLS library.
MBEDTLS_CHECK_RETURN_TYPICAL
#define MBEDTLS_CHECK_RETURN_TYPICAL
Definition platform_util.h:99
MBEDTLS_CHECK_RETURN_CRITICAL
#define MBEDTLS_CHECK_RETURN_CRITICAL
Definition platform_util.h:77
private_access.h
Macro wrapper for struct's members.
MBEDTLS_PRIVATE
#define MBEDTLS_PRIVATE(member)
Definition private_access.h:15
mbedtls_aes_context
The AES context-type definition.
Definition aes.h:63
mbedtls_aes_context::MBEDTLS_PRIVATE
size_t MBEDTLS_PRIVATE(rk_offset)
mbedtls_aes_context::MBEDTLS_PRIVATE
uint32_t MBEDTLS_PRIVATE(buf)[68]
mbedtls_aes_context::MBEDTLS_PRIVATE
int MBEDTLS_PRIVATE(nr)
mode
#define mode(x)
input
struct VirtioInputEvent * input
Definition virtiokbd.c:46
Generated by doxygen 1.9.8