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some more internall structure changes

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This commit is contained in:
Werner Koch 1998-06-16 15:13:28 +00:00
parent 6e1ca6b80f
commit e6ac5acbbf
39 changed files with 814 additions and 400 deletions
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121
cipher/tiger.c
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@ -625,7 +625,7 @@ print_data( const char *text, u64 a, u64 b, u64 c,
}
void
static void
tiger_init( TIGER_CONTEXT *hd )
{
hd->a = 0x0123456789abcdefLL;
@ -758,7 +758,7 @@ transform( TIGER_CONTEXT *hd, byte *data )
/* Update the message digest with the contents
* of INBUF with length INLEN.
*/
void
static void
tiger_write( TIGER_CONTEXT *hd, byte *inbuf, size_t inlen)
{
if( hd->count == 64 ) { /* flush the buffer */
@ -792,7 +792,7 @@ tiger_write( TIGER_CONTEXT *hd, byte *inbuf, size_t inlen)
/* The routine terminates the computation
*/
void
static void
tiger_final( TIGER_CONTEXT *hd )
{
u32 t, msb, lsb;
@ -851,3 +851,118 @@ tiger_final( TIGER_CONTEXT *hd )
#undef X
}
static byte *
tiger_read( TIGER_CONTEXT *hd )
{
return hd->buf;
}
/****************
* Return some information about the algorithm. We need algo here to
* distinguish different flavors of the algorithm.
* Returns: A pointer to string describing the algorithm or NULL if
* the ALGO is invalid.
*/
static const char *
tiger_get_info( int algo, size_t *contextsize,
byte **r_asnoid, int *r_asnlen, int *r_mdlen,
void (**r_init)( void *c ),
void (**r_write)( void *c, byte *buf, size_t nbytes ),
void (**r_final)( void *c ),
byte *(**r_read)( void *c )
)
{
/* 40: SEQUENCE {
* 12: SEQUENCE {
* 8: OCTET STRING :54 49 47 45 52 31 39 32
* 0: NULL
* : }
* 24: OCTET STRING
* : }
*
* By replacing the 5th byte (0x04) with 0x16 we would have;
* 8: IA5String 'TIGER192'
*/
static byte asn[18] =
{ 0x30, 0x28, 0x30, 0x0c, 0x04, 0x08, 0x54, 0x49, 0x47,
0x45, 0x52, 0x31, 0x39, 0x32, 0x05, 0x00, 0x04, 0x18 };
if( algo != 6 )
return NULL;
*contextsize = sizeof(TIGER_CONTEXT);
*r_asnoid = asn;
*r_asnlen = DIM(asn);
*r_mdlen = 24;
*r_init = (void (*)(void *))tiger_init;
*r_write = (void (*)(void *, byte*, size_t))tiger_write;
*r_final = (void (*)(void *))tiger_final;
*r_read = (byte *(*)(void *))tiger_read;
return "TIGER";
}
const char * const gnupgext_version = "TIGER ($Revision$)";
static struct {
int class;
int version;
int value;
void (*func)(void);
} func_table[] = {
{ 10, 1, 0, (void(*)(void))tiger_get_info },
{ 11, 1, 6 },
};
/****************
* Enumerate the names of the functions together with informations about
* this function. Set sequence to an integer with a initial value of 0 and
* do not change it.
* If what is 0 all kind of functions are returned.
* Return values: class := class of function:
* 10 = message digest algorithm info function
* 11 = integer with available md algorithms
* 20 = cipher algorithm info function
* 21 = integer with available cipher algorithms
* 30 = public key algorithm info function
* 31 = integer with available pubkey algorithms
* version = interface version of the function/pointer
* (currently this is 1 for all functions)
*/
void *
gnupgext_enum_func( int what, int *sequence, int *class, int *vers )
{
void *ret;
int i = *sequence;
/*log_info("gnupgext_enum_func in rsa+idea called what=%d i=%d: ", what, i);*/
do {
if( i >= DIM(func_table) || i < 0 ) {
/*fprintf(stderr, "failed\n");*/
return NULL;
}
*class = func_table[i].class;
*vers = func_table[i].version;
switch( *class ) {
case 11:
case 21:
case 31:
ret = &func_table[i].value;
break;
default:
ret = func_table[i].func;
break;
}
i++;
} while( what && what != *class );
*sequence = i;
/*fprintf(stderr, "success\n");*/
return ret;
}