/home/dko/projects/mobilec/trunk/src/security/xyssl-0.7/include/xyssl/des.h

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#ifndef _DES_H
#define _DES_H

#ifdef __cplusplus
extern "C" {
#endif

typedef struct
{
    unsigned long esk[32];     
    unsigned long dsk[32];     
}
des_context;

typedef struct
{
    unsigned long esk[96];     
    unsigned long dsk[96];     
}
des3_context;

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

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

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

void des_cbc_encrypt( des_context *ctx,
                      unsigned char iv[8],
                      unsigned char *input,
                      unsigned char *output,
                      int len );

void des_cbc_decrypt( des_context *ctx,
                      unsigned char iv[8],
                      unsigned char *input,
                      unsigned char *output,
                      int len );

void des3_set_2keys( des3_context *ctx, unsigned char key[16] );

void des3_set_3keys( des3_context *ctx, unsigned char key[24] );

void des3_encrypt( des3_context *ctx,
                   unsigned char input[8],
                   unsigned char output[8] );

void des3_decrypt( des3_context *ctx,
                   unsigned char input[8],
                   unsigned char output[8] );

void des3_cbc_encrypt( des3_context *ctx,
                       unsigned char iv[8],
                       unsigned char *input,
                       unsigned char *output,
                       int len );

void des3_cbc_decrypt( des3_context *ctx,
                       unsigned char iv[8],
                       unsigned char *input,
                       unsigned char *output,
                       int len );

/*
 * \brief          Checkup routine
 *
 * \return         0 if successful, or 1 if the test failed
 */
int des_self_test( int verbose );

#ifdef __cplusplus
}
#endif

#endif /* des.h */

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