/home/dko/projects/mobilec/trunk/src/security/xyssl-0.9/include/xyssl/des.h File Reference

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Data Structures

struct des_context

DES context structure. More...

struct des3_context

Triple-DES context structure. More...

Defines

#define DES_ENCRYPT 1

#define DES_DECRYPT 0

Functions

void des_setkey_enc (des_context *ctx, unsigned char key[8])

DES key schedule (56-bit, encryption).

void des_setkey_dec (des_context *ctx, unsigned char key[8])

DES key schedule (56-bit, decryption).

void des3_set2key_enc (des3_context *ctx, unsigned char key[16])

Triple-DES key schedule (112-bit, encryption).

void des3_set2key_dec (des3_context *ctx, unsigned char key[16])

Triple-DES key schedule (112-bit, decryption).

void des3_set3key_enc (des3_context *ctx, unsigned char key[24])

Triple-DES key schedule (168-bit, encryption).

void des3_set3key_dec (des3_context *ctx, unsigned char key[24])

Triple-DES key schedule (168-bit, decryption).

void des_crypt_ecb (des_context *ctx, unsigned char input[8], unsigned char output[8])

DES-ECB block encryption/decryption.

void des_crypt_cbc (des_context *ctx, int mode, int length, unsigned char iv[8], unsigned char *input, unsigned char *output)

DES-CBC buffer encryption/decryption.

void des3_crypt_ecb (des3_context *ctx, unsigned char input[8], unsigned char output[8])

3DES-ECB block encryption/decryption

void des3_crypt_cbc (des3_context *ctx, int mode, int length, unsigned char iv[8], unsigned char *input, unsigned char *output)

3DES-CBC buffer encryption/decryption

int des_self_test (int verbose)

Detailed Description

Definition in file des.h.

Define Documentation

#define DES_DECRYPT 0

Definition at line 8 of file des.h.

#define DES_ENCRYPT 1

Definition at line 7 of file des.h.

Referenced by main().

Function Documentation

void des3_crypt_cbc ( des3_context * ctx,

int mode,

int length,

unsigned char iv[8],

unsigned char * input,

unsigned char * output

)

3DES-CBC buffer encryption/decryption

Parameters:: ctx 3DES context

mode DES_ENCRYPT or 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

Referenced by main().

void des3_crypt_ecb ( des3_context * ctx,

unsigned char input[8],

unsigned char output[8]

)

3DES-ECB block encryption/decryption

Parameters:: ctx 3DES context

input 64-bit input block

output 64-bit output block

void des3_set2key_dec ( des3_context * ctx,

unsigned char key[16]

)

Triple-DES key schedule (112-bit, decryption).

Parameters:: ctx 3DES context to be initialized

key 16-byte secret key

void des3_set2key_enc ( des3_context * ctx,

unsigned char key[16]

)

Triple-DES key schedule (112-bit, encryption).

Parameters:: ctx 3DES context to be initialized

key 16-byte secret key

void des3_set3key_dec ( des3_context * ctx,

unsigned char key[24]

)

Triple-DES key schedule (168-bit, decryption).

Parameters:: ctx 3DES context to be initialized

key 24-byte secret key

void des3_set3key_enc ( des3_context * ctx,

unsigned char key[24]

)

Triple-DES key schedule (168-bit, encryption).

Parameters:: ctx 3DES context to be initialized

key 24-byte secret key

Referenced by main().

void des_crypt_cbc ( des_context * ctx,

int mode,

int length,

unsigned char iv[8],

unsigned char * input,

unsigned char * output

)

DES-CBC buffer encryption/decryption.

Parameters:: ctx DES context

mode DES_ENCRYPT or 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

Referenced by main().

void des_crypt_ecb ( des_context * ctx,

unsigned char input[8],

unsigned char output[8]

)

DES-ECB block encryption/decryption.

Parameters:: ctx DES context

input 64-bit input block

output 64-bit output block

int des_self_test ( int verbose )

Referenced by main().

void des_setkey_dec ( des_context * ctx,

unsigned char key[8]

)

DES key schedule (56-bit, decryption).

Parameters:: ctx DES context to be initialized

key 8-byte secret key

void des_setkey_enc ( des_context * ctx,

unsigned char key[8]

)

DES key schedule (56-bit, encryption).

Parameters:: ctx DES context to be initialized

key 8-byte secret key

Referenced by main().

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