#include <string.h>
#include "cast5.h"
#include "error.h"
#include "intreadwrite.h"
#include "mem.h"
#include "attributes.h"
Go to the source code of this file.
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#define | IA(x) ((x) >> 24) |
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#define | IB(x) (((x) >> 16) & 0xff) |
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#define | IC(x) (((x) >> 8) & 0xff) |
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#define | ID(x) ((x) & 0xff) |
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#define | LR(x, c) (((x) << (c)) | ((x) >> (32 - (c)))) |
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#define | F3(l, r, i) |
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#define | F2(l, r, i) |
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#define | F1(l, r, i) |
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#define | COMPUTE_Z |
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#define | COMPUTE_X |
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static void | generate_round_keys (int rnds, uint32_t *K, uint32_t *x, uint32_t *z) |
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static void | encipher (AVCAST5 *cs, uint8_t *dst, const uint8_t *src) |
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static void | decipher (AVCAST5 *cs, uint8_t *dst, const uint8_t *src, uint8_t *iv) |
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struct AVCAST5 * | av_cast5_alloc (void) |
| Allocate an AVCAST5 context To free the struct: av_free(ptr) More...
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av_cold int | av_cast5_init (AVCAST5 *cs, const uint8_t *key, int key_bits) |
| Initialize an AVCAST5 context. More...
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void | av_cast5_crypt2 (AVCAST5 *cs, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt) |
| Encrypt or decrypt a buffer using a previously initialized context. More...
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void | av_cast5_crypt (AVCAST5 *cs, uint8_t *dst, const uint8_t *src, int count, int decrypt) |
| Encrypt or decrypt a buffer using a previously initialized context, ECB mode only. More...
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const int | av_cast5_size = sizeof(AVCAST5) |
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static const uint32_t | S1 [256] |
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static const uint32_t | S2 [256] |
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static const uint32_t | S3 [256] |
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static const uint32_t | S4 [256] |
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static const uint32_t | S5 [256] |
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static const uint32_t | S6 [256] |
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static const uint32_t | S7 [256] |
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static const uint32_t | S8 [256] |
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◆ IA
#define IA |
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x | ) |
((x) >> 24) |
◆ IB
#define IB |
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x | ) |
(((x) >> 16) & 0xff) |
◆ IC
#define IC |
( |
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x | ) |
(((x) >> 8) & 0xff) |
◆ ID
#define ID |
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x | ) |
((x) & 0xff) |
◆ LR
#define LR |
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x, |
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c |
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| (((x) << (c)) | ((x) >> (32 - (c)))) |
◆ F3
Value: do { \
I =
LR(cs->Km[
i] -
r, cs->Kr[
i]); \
} while (0)
Definition at line 37 of file cast5.c.
◆ F2
Value: do { \
I =
LR(cs->Km[
i] ^
r, cs->Kr[
i]); \
} while (0)
Definition at line 44 of file cast5.c.
◆ F1
Value: do { \
I =
LR(cs->Km[
i] +
r, cs->Kr[
i]); \
} while (0)
Definition at line 51 of file cast5.c.
◆ COMPUTE_Z
Value:
Definition at line 58 of file cast5.c.
◆ COMPUTE_X
Value:
Definition at line 66 of file cast5.c.
◆ generate_round_keys()
static void generate_round_keys |
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int |
rnds, |
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uint32_t * |
K, |
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uint32_t * |
x, |
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uint32_t * |
z |
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) |
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static |
◆ encipher()
static void encipher |
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AVCAST5 * |
cs, |
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uint8_t * |
dst, |
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const uint8_t * |
src |
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◆ decipher()
static void decipher |
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AVCAST5 * |
cs, |
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uint8_t * |
dst, |
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const uint8_t * |
src, |
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uint8_t * |
iv |
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) |
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static |
◆ S1
◆ S2
◆ S3
◆ S4
◆ S5
◆ S6
◆ S7
◆ S8