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#include "mbedtls/config.h"
#include "mbedtls/camellia.h"
#include <string.h>
#include "mbedtls/platform.h"
#include "arc4_alt.h"
Macros | |
#define | GET_UINT32_BE(n, b, i) |
#define | PUT_UINT32_BE(n, b, i) |
#define | SBOX1(n) C_FSb[(n)] |
#define | SBOX2(n) FSb2[(n)] |
#define | SBOX3(n) FSb3[(n)] |
#define | SBOX4(n) FSb4[(n)] |
#define | ROTL(DEST, SRC, SHIFT) |
#define | FL(XL, XR, KL, KR) |
#define | FLInv(YL, YR, KL, KR) |
#define | SHIFT_AND_PLACE(INDEX, OFFSET) |
#define | CAMELLIA_TESTS_ECB 2 |
#define | CAMELLIA_TESTS_CBC 3 |
Functions | |
static void | camellia_feistel (const uint32_t x[2], const uint32_t k[2], uint32_t z[2]) |
void | mbedtls_camellia_init (mbedtls_camellia_context *ctx) |
Initialize CAMELLIA context. More... | |
void | mbedtls_camellia_free (mbedtls_camellia_context *ctx) |
Clear CAMELLIA context. More... | |
int | mbedtls_camellia_setkey_enc (mbedtls_camellia_context *ctx, const unsigned char *key, unsigned int keybits) |
CAMELLIA key schedule (encryption) More... | |
int | mbedtls_camellia_setkey_dec (mbedtls_camellia_context *ctx, const unsigned char *key, unsigned int keybits) |
CAMELLIA key schedule (decryption) More... | |
int | mbedtls_camellia_crypt_ecb (mbedtls_camellia_context *ctx, int mode, const unsigned char input[16], unsigned char output[16]) |
CAMELLIA-ECB block encryption/decryption. More... | |
int | mbedtls_camellia_crypt_cbc (mbedtls_camellia_context *ctx, int mode, size_t length, unsigned char iv[16], const unsigned char *input, unsigned char *output) |
CAMELLIA-CBC buffer encryption/decryption Length should be a multiple of the block size (16 bytes) More... | |
int | mbedtls_camellia_crypt_cfb128 (mbedtls_camellia_context *ctx, int mode, size_t length, size_t *iv_off, unsigned char iv[16], const unsigned char *input, unsigned char *output) |
CAMELLIA-CFB128 buffer encryption/decryption. More... | |
int | mbedtls_camellia_crypt_ctr (mbedtls_camellia_context *ctx, size_t length, size_t *nc_off, unsigned char nonce_counter[16], unsigned char stream_block[16], const unsigned char *input, unsigned char *output) |
CAMELLIA-CTR buffer encryption/decryption. More... | |
int | mbedtls_camellia_self_test (int verbose) |
Checkup routine. More... | |
Variables | |
static const unsigned char | SIGMA_CHARS [6][8] |
static const unsigned char | C_FSb [256] |
static const unsigned char | FSb2 [256] |
static const unsigned char | FSb3 [256] |
static const unsigned char | FSb4 [256] |
static const unsigned char | shifts [2][4][4] |
static const signed char | indexes [2][4][20] |
static const signed char | transposes [2][20] |
static const unsigned char | camellia_test_ecb_key [3][CAMELLIA_TESTS_ECB][32] |
static const unsigned char | camellia_test_ecb_plain [CAMELLIA_TESTS_ECB][16] |
static const unsigned char | camellia_test_ecb_cipher [3][CAMELLIA_TESTS_ECB][16] |
static const unsigned char | camellia_test_cbc_key [3][32] |
static const unsigned char | camellia_test_cbc_iv [16] |
static const unsigned char | camellia_test_cbc_plain [CAMELLIA_TESTS_CBC][16] |
static const unsigned char | camellia_test_cbc_cipher [3][CAMELLIA_TESTS_CBC][16] |
static const unsigned char | camellia_test_ctr_key [3][16] |
static const unsigned char | camellia_test_ctr_nonce_counter [3][16] |
static const unsigned char | camellia_test_ctr_pt [3][48] |
static const unsigned char | camellia_test_ctr_ct [3][48] |
static const int | camellia_test_ctr_len [3] |
#define CAMELLIA_TESTS_CBC 3 |
#define CAMELLIA_TESTS_ECB 2 |
#define FL | ( | XL, | |
XR, | |||
KL, | |||
KR | |||
) |
#define FLInv | ( | YL, | |
YR, | |||
KL, | |||
KR | |||
) |
#define ROTL | ( | DEST, | |
SRC, | |||
SHIFT | |||
) |
int mbedtls_camellia_crypt_cbc | ( | mbedtls_camellia_context * | ctx, |
int | mode, | ||
size_t | length, | ||
unsigned char | iv[16], | ||
const unsigned char * | input, | ||
unsigned char * | output | ||
) |
CAMELLIA-CBC buffer encryption/decryption Length should be a multiple of the block size (16 bytes)
ctx | CAMELLIA context |
mode | MBEDTLS_CAMELLIA_ENCRYPT or MBEDTLS_CAMELLIA_DECRYPT |
length | length of the input data |
iv | initialization vector (updated after use) |
input | buffer holding the input data |
output | buffer holding the output data |
int mbedtls_camellia_crypt_cfb128 | ( | mbedtls_camellia_context * | ctx, |
int | mode, | ||
size_t | length, | ||
size_t * | iv_off, | ||
unsigned char | iv[16], | ||
const unsigned char * | input, | ||
unsigned char * | output | ||
) |
CAMELLIA-CFB128 buffer encryption/decryption.
Note: Due to the nature of CFB you should use the same key schedule for both encryption and decryption. So a context initialized with mbedtls_camellia_setkey_enc() for both MBEDTLS_CAMELLIA_ENCRYPT and CAMELLIE_DECRYPT.
ctx | CAMELLIA context |
mode | MBEDTLS_CAMELLIA_ENCRYPT or MBEDTLS_CAMELLIA_DECRYPT |
length | length of the input data |
iv_off | offset in IV (updated after use) |
iv | initialization vector (updated after use) |
input | buffer holding the input data |
output | buffer holding the output data |
int mbedtls_camellia_crypt_ctr | ( | mbedtls_camellia_context * | ctx, |
size_t | length, | ||
size_t * | nc_off, | ||
unsigned char | nonce_counter[16], | ||
unsigned char | stream_block[16], | ||
const unsigned char * | input, | ||
unsigned char * | output | ||
) |
CAMELLIA-CTR buffer encryption/decryption.
Warning: You have to keep the maximum use of your counter in mind!
Note: Due to the nature of CTR you should use the same key schedule for both encryption and decryption. So a context initialized with mbedtls_camellia_setkey_enc() for both MBEDTLS_CAMELLIA_ENCRYPT and MBEDTLS_CAMELLIA_DECRYPT.
ctx | CAMELLIA context |
length | The length of the data |
nc_off | The offset in the current stream_block (for resuming within current cipher stream). The offset pointer to should be 0 at the start of a stream. |
nonce_counter | The 128-bit nonce and counter. |
stream_block | The saved stream-block for resuming. Is overwritten by the function. |
input | The input data stream |
output | The output data stream |
int mbedtls_camellia_crypt_ecb | ( | mbedtls_camellia_context * | ctx, |
int | mode, | ||
const unsigned char | input[16], | ||
unsigned char | output[16] | ||
) |
CAMELLIA-ECB block encryption/decryption.
ctx | CAMELLIA context |
mode | MBEDTLS_CAMELLIA_ENCRYPT or MBEDTLS_CAMELLIA_DECRYPT |
input | 16-byte input block |
output | 16-byte output block |
void mbedtls_camellia_free | ( | mbedtls_camellia_context * | ctx | ) |
Clear CAMELLIA context.
ctx | CAMELLIA context to be cleared |
void mbedtls_camellia_init | ( | mbedtls_camellia_context * | ctx | ) |
Initialize CAMELLIA context.
ctx | CAMELLIA context to be initialized |
int mbedtls_camellia_self_test | ( | int | verbose | ) |
Checkup routine.
int mbedtls_camellia_setkey_dec | ( | mbedtls_camellia_context * | ctx, |
const unsigned char * | key, | ||
unsigned int | keybits | ||
) |
CAMELLIA key schedule (decryption)
ctx | CAMELLIA context to be initialized |
key | decryption key |
keybits | must be 128, 192 or 256 |
int mbedtls_camellia_setkey_enc | ( | mbedtls_camellia_context * | ctx, |
const unsigned char * | key, | ||
unsigned int | keybits | ||
) |
CAMELLIA key schedule (encryption)
ctx | CAMELLIA context to be initialized |
key | encryption key |
keybits | must be 128, 192 or 256 |
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