RetroArch
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#include "mbedtls/config.h"
#include "mbedtls/des.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 | DES_IP(X, Y) |
#define | DES_FP(X, Y) |
#define | DES_ROUND(X, Y) |
#define | SWAP(a, b) { uint32_t t = a; a = b; b = t; t = 0; } |
#define | WEAK_KEY_COUNT 16 |
Functions | |
void | mbedtls_des_init (mbedtls_des_context *ctx) |
Initialize DES context. More... | |
void | mbedtls_des_free (mbedtls_des_context *ctx) |
Clear DES context. More... | |
void | mbedtls_des3_init (mbedtls_des3_context *ctx) |
Initialize Triple-DES context. More... | |
void | mbedtls_des3_free (mbedtls_des3_context *ctx) |
Clear Triple-DES context. More... | |
void | mbedtls_des_key_set_parity (unsigned char key[MBEDTLS_DES_KEY_SIZE]) |
Set key parity on the given key to odd. More... | |
int | mbedtls_des_key_check_key_parity (const unsigned char key[MBEDTLS_DES_KEY_SIZE]) |
Check that key parity on the given key is odd. More... | |
int | mbedtls_des_key_check_weak (const unsigned char key[MBEDTLS_DES_KEY_SIZE]) |
Check that key is not a weak or semi-weak DES key. More... | |
void | mbedtls_des_setkey (uint32_t SK[32], const unsigned char key[MBEDTLS_DES_KEY_SIZE]) |
Internal function for key expansion. (Only exposed to allow overriding it, see MBEDTLS_DES_SETKEY_ALT) More... | |
int | mbedtls_des_setkey_enc (mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE]) |
DES key schedule (56-bit, encryption) More... | |
int | mbedtls_des_setkey_dec (mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE]) |
DES key schedule (56-bit, decryption) More... | |
static void | des3_set2key (uint32_t esk[96], uint32_t dsk[96], const unsigned char key[MBEDTLS_DES_KEY_SIZE *2]) |
int | mbedtls_des3_set2key_enc (mbedtls_des3_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE *2]) |
Triple-DES key schedule (112-bit, encryption) More... | |
int | mbedtls_des3_set2key_dec (mbedtls_des3_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE *2]) |
Triple-DES key schedule (112-bit, decryption) More... | |
static void | des3_set3key (uint32_t esk[96], uint32_t dsk[96], const unsigned char key[24]) |
int | mbedtls_des3_set3key_enc (mbedtls_des3_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE *3]) |
Triple-DES key schedule (168-bit, encryption) More... | |
int | mbedtls_des3_set3key_dec (mbedtls_des3_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE *3]) |
Triple-DES key schedule (168-bit, decryption) More... | |
int | mbedtls_des_crypt_ecb (mbedtls_des_context *ctx, const unsigned char input[8], unsigned char output[8]) |
DES-ECB block encryption/decryption. More... | |
int | mbedtls_des_crypt_cbc (mbedtls_des_context *ctx, int mode, size_t length, unsigned char iv[8], const unsigned char *input, unsigned char *output) |
DES-CBC buffer encryption/decryption. More... | |
int | mbedtls_des3_crypt_ecb (mbedtls_des3_context *ctx, const unsigned char input[8], unsigned char output[8]) |
3DES-ECB block encryption/decryption More... | |
int | mbedtls_des3_crypt_cbc (mbedtls_des3_context *ctx, int mode, size_t length, unsigned char iv[8], const unsigned char *input, unsigned char *output) |
3DES-CBC buffer encryption/decryption More... | |
int | mbedtls_des_self_test (int verbose) |
Checkup routine. More... | |
Variables | |
static const uint32_t | SB1 [64] |
static const uint32_t | SB2 [64] |
static const uint32_t | SB3 [64] |
static const uint32_t | SB4 [64] |
static const uint32_t | SB5 [64] |
static const uint32_t | SB6 [64] |
static const uint32_t | SB7 [64] |
static const uint32_t | SB8 [64] |
static const uint32_t | LHs [16] |
static const uint32_t | RHs [16] |
static const unsigned char | odd_parity_table [128] |
static const unsigned char | weak_key_table [WEAK_KEY_COUNT][MBEDTLS_DES_KEY_SIZE] |
static const unsigned char | des3_test_keys [24] |
static const unsigned char | des3_test_buf [8] |
static const unsigned char | des3_test_ecb_dec [3][8] |
static const unsigned char | des3_test_ecb_enc [3][8] |
static const unsigned char | des3_test_iv [8] |
static const unsigned char | des3_test_cbc_dec [3][8] |
static const unsigned char | des3_test_cbc_enc [3][8] |
#define WEAK_KEY_COUNT 16 |
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static |
int mbedtls_des3_crypt_cbc | ( | mbedtls_des3_context * | ctx, |
int | mode, | ||
size_t | length, | ||
unsigned char | iv[8], | ||
const unsigned char * | input, | ||
unsigned char * | output | ||
) |
3DES-CBC buffer encryption/decryption
ctx | 3DES context |
mode | MBEDTLS_DES_ENCRYPT or MBEDTLS_DES_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_des3_crypt_ecb | ( | mbedtls_des3_context * | ctx, |
const unsigned char | input[8], | ||
unsigned char | output[8] | ||
) |
3DES-ECB block encryption/decryption
ctx | 3DES context |
input | 64-bit input block |
output | 64-bit output block |
void mbedtls_des3_free | ( | mbedtls_des3_context * | ctx | ) |
Clear Triple-DES context.
ctx | DES3 context to be cleared |
void mbedtls_des3_init | ( | mbedtls_des3_context * | ctx | ) |
Initialize Triple-DES context.
ctx | DES3 context to be initialized |
int mbedtls_des3_set2key_dec | ( | mbedtls_des3_context * | ctx, |
const unsigned char | key[MBEDTLS_DES_KEY_SIZE *2] | ||
) |
Triple-DES key schedule (112-bit, decryption)
ctx | 3DES context to be initialized |
key | 16-byte secret key |
int mbedtls_des3_set2key_enc | ( | mbedtls_des3_context * | ctx, |
const unsigned char | key[MBEDTLS_DES_KEY_SIZE *2] | ||
) |
Triple-DES key schedule (112-bit, encryption)
ctx | 3DES context to be initialized |
key | 16-byte secret key |
int mbedtls_des3_set3key_dec | ( | mbedtls_des3_context * | ctx, |
const unsigned char | key[MBEDTLS_DES_KEY_SIZE *3] | ||
) |
Triple-DES key schedule (168-bit, decryption)
ctx | 3DES context to be initialized |
key | 24-byte secret key |
int mbedtls_des3_set3key_enc | ( | mbedtls_des3_context * | ctx, |
const unsigned char | key[MBEDTLS_DES_KEY_SIZE *3] | ||
) |
Triple-DES key schedule (168-bit, encryption)
ctx | 3DES context to be initialized |
key | 24-byte secret key |
int mbedtls_des_crypt_cbc | ( | mbedtls_des_context * | ctx, |
int | mode, | ||
size_t | length, | ||
unsigned char | iv[8], | ||
const unsigned char * | input, | ||
unsigned char * | output | ||
) |
DES-CBC buffer encryption/decryption.
ctx | DES context |
mode | MBEDTLS_DES_ENCRYPT or MBEDTLS_DES_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_des_crypt_ecb | ( | mbedtls_des_context * | ctx, |
const unsigned char | input[8], | ||
unsigned char | output[8] | ||
) |
DES-ECB block encryption/decryption.
ctx | DES context |
input | 64-bit input block |
output | 64-bit output block |
void mbedtls_des_free | ( | mbedtls_des_context * | ctx | ) |
Clear DES context.
ctx | DES context to be cleared |
void mbedtls_des_init | ( | mbedtls_des_context * | ctx | ) |
Initialize DES context.
ctx | DES context to be initialized |
int mbedtls_des_key_check_key_parity | ( | const unsigned char | key[MBEDTLS_DES_KEY_SIZE] | ) |
Check that key parity on the given key is odd.
DES keys are 56 bits long, but each byte is padded with a parity bit to allow verification.
key | 8-byte secret key |
int mbedtls_des_key_check_weak | ( | const unsigned char | key[MBEDTLS_DES_KEY_SIZE] | ) |
Check that key is not a weak or semi-weak DES key.
key | 8-byte secret key |
void mbedtls_des_key_set_parity | ( | unsigned char | key[MBEDTLS_DES_KEY_SIZE] | ) |
Set key parity on the given key to odd.
DES keys are 56 bits long, but each byte is padded with a parity bit to allow verification.
key | 8-byte secret key |
int mbedtls_des_self_test | ( | int | verbose | ) |
Checkup routine.
Internal function for key expansion. (Only exposed to allow overriding it, see MBEDTLS_DES_SETKEY_ALT)
SK | Round keys |
key | Base key |
int mbedtls_des_setkey_dec | ( | mbedtls_des_context * | ctx, |
const unsigned char | key[MBEDTLS_DES_KEY_SIZE] | ||
) |
DES key schedule (56-bit, decryption)
ctx | DES context to be initialized |
key | 8-byte secret key |
int mbedtls_des_setkey_enc | ( | mbedtls_des_context * | ctx, |
const unsigned char | key[MBEDTLS_DES_KEY_SIZE] | ||
) |
DES key schedule (56-bit, encryption)
ctx | DES context to be initialized |
key | 8-byte secret key |
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