The ARCFOUR stream cipher.
More...
#include "mbedtls/config.h"
#include <stddef.h>
#include "arc4_alt.h"
Go to the source code of this file.
The ARCFOUR stream cipher.
- Warning
- ARC4 is considered a weak cipher and its use constitutes a security risk. We recommend considering stronger ciphers instead.
Definition in file arc4.h.
#define MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED -0x0019 |
ARC4 hardware accelerator failed.
Definition at line 38 of file arc4.h.
int mbedtls_arc4_crypt |
( |
mbedtls_arc4_context * |
ctx, |
|
|
size_t |
length, |
|
|
const unsigned char * |
input, |
|
|
unsigned char * |
output |
|
) |
| |
ARC4 cipher function.
- Parameters
-
ctx | ARC4 context |
length | length of the input data |
input | buffer holding the input data |
output | buffer for the output data |
- Returns
- 0 if successful
- Warning
- ARC4 is considered a weak cipher and its use constitutes a security risk. We recommend considering stronger ciphers instead.
void mbedtls_arc4_free |
( |
mbedtls_arc4_context * |
ctx | ) |
|
Clear ARC4 context.
- Parameters
-
ctx | ARC4 context to be cleared |
- Warning
- ARC4 is considered a weak cipher and its use constitutes a security risk. We recommend considering stronger ciphers instead.
void mbedtls_arc4_init |
( |
mbedtls_arc4_context * |
ctx | ) |
|
Initialize ARC4 context.
- Parameters
-
ctx | ARC4 context to be initialized |
- Warning
- ARC4 is considered a weak cipher and its use constitutes a security risk. We recommend considering stronger ciphers instead.
int mbedtls_arc4_self_test |
( |
int |
verbose | ) |
|
Checkup routine.
- Returns
- 0 if successful, or 1 if the test failed
- Warning
- ARC4 is considered a weak cipher and its use constitutes a security risk. We recommend considering stronger ciphers instead.
void mbedtls_arc4_setup |
( |
mbedtls_arc4_context * |
ctx, |
|
|
const unsigned char * |
key, |
|
|
unsigned int |
keylen |
|
) |
| |
ARC4 key schedule.
- Parameters
-
ctx | ARC4 context to be setup |
key | the secret key |
keylen | length of the key, in bytes |
- Warning
- ARC4 is considered a weak cipher and its use constitutes a security risk. We recommend considering stronger ciphers instead.