XTEA block cipher (32-bit)
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#include "mbedtls/config.h"
#include <stddef.h>
#include <stdint.h>
#include "xtea_alt.h"
Go to the source code of this file.
XTEA block cipher (32-bit)
Definition in file xtea.h.
#define MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED -0x0029 |
XTEA hardware accelerator failed.
Definition at line 40 of file xtea.h.
#define MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH -0x0028 |
The data input has an invalid length.
Definition at line 37 of file xtea.h.
#define MBEDTLS_XTEA_DECRYPT 0 |
#define MBEDTLS_XTEA_ENCRYPT 1 |
int mbedtls_xtea_crypt_cbc |
( |
mbedtls_xtea_context * |
ctx, |
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int |
mode, |
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size_t |
length, |
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unsigned char |
iv[8], |
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const unsigned char * |
input, |
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unsigned char * |
output |
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) |
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XTEA CBC cipher function.
- Parameters
-
ctx | XTEA context |
mode | MBEDTLS_XTEA_ENCRYPT or MBEDTLS_XTEA_DECRYPT |
length | the length of input, multiple of 8 |
iv | initialization vector for CBC mode |
input | input block |
output | output block |
- Returns
- 0 if successful, MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH if the length % 8 != 0
int mbedtls_xtea_crypt_ecb |
( |
mbedtls_xtea_context * |
ctx, |
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int |
mode, |
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const unsigned char |
input[8], |
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unsigned char |
output[8] |
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) |
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XTEA cipher function.
- Parameters
-
ctx | XTEA context |
mode | MBEDTLS_XTEA_ENCRYPT or MBEDTLS_XTEA_DECRYPT |
input | 8-byte input block |
output | 8-byte output block |
- Returns
- 0 if successful
void mbedtls_xtea_free |
( |
mbedtls_xtea_context * |
ctx | ) |
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Clear XTEA context.
- Parameters
-
ctx | XTEA context to be cleared |
void mbedtls_xtea_init |
( |
mbedtls_xtea_context * |
ctx | ) |
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Initialize XTEA context.
- Parameters
-
ctx | XTEA context to be initialized |
int mbedtls_xtea_self_test |
( |
int |
verbose | ) |
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Checkup routine.
- Returns
- 0 if successful, or 1 if the test failed
void mbedtls_xtea_setup |
( |
mbedtls_xtea_context * |
ctx, |
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const unsigned char |
key[16] |
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) |
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XTEA key schedule.
- Parameters
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ctx | XTEA context to be initialized |
key | the secret key |