/*
random.h

 Copyright NTT MCL, 2000.

 Duncan S Wong   
 Security Group, NTT MCL
 July 2000
*/


/* Random structure.
 */
typedef struct {
  unsigned int bytesNeeded;
  unsigned char state[20];
  unsigned int outputAvailable;
  unsigned char output[20];
} RANDOM_STRUCT;


int RandomInit (RANDOM_STRUCT *randomStruct);

int RandomUpdate (RANDOM_STRUCT *randomStruct, unsigned char *block, unsigned int blockLen);

int GetRandomBytesNeeded (unsigned int *bytesNeeded, RANDOM_STRUCT *randomStruct);

int GenerateBytes (unsigned char *block, unsigned int blockLen, RANDOM_STRUCT *randomStruct);

void RandomFinal (RANDOM_STRUCT *randomStruct);