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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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46
cipher/rmd160.c
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@ -27,6 +27,7 @@
#include "memory.h"
#include "rmd.h"
/*********************************
* RIPEMD-160 is not patented, see (as of 25.10.97)
* http://www.esat.kuleuven.ac.be/~bosselae/ripemd160.html
@ -411,7 +412,7 @@ transform( RMD160_CONTEXT *hd, byte *data )
/* Update the message digest with the contents
* of INBUF with length INLEN.
*/
void
static void
rmd160_write( RMD160_CONTEXT *hd, byte *inbuf, size_t inlen)
{
if( hd->count == 64 ) { /* flush the buffer */
@ -443,7 +444,7 @@ rmd160_write( RMD160_CONTEXT *hd, byte *inbuf, size_t inlen)
/****************
* Apply the rmd160 transform function on the buffer which must have
* a length 64 bytes. Do not use this function together with the
* other functions, use rmd160_init to initialize intzernal variables.
* other functions, use rmd160_init to initialize internal variables.
* Returns: 16 bytes in buffer with the mixed contentes of buffer.
*/
void
@ -464,7 +465,7 @@ rmd160_mixblock( RMD160_CONTEXT *hd, char *buffer )
/* The routine terminates the computation
*/
void
static void
rmd160_final( RMD160_CONTEXT *hd )
{
u32 t, msb, lsb;
@ -523,4 +524,43 @@ rmd160_final( RMD160_CONTEXT *hd )
#undef X
}
static byte *
rmd160_read( RMD160_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.
*/
const char *
rmd160_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 )
)
{
static byte asn[15] = /* Object ID is 1.3.36.3.2.1 */
{ 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x24, 0x03,
0x02, 0x01, 0x05, 0x00, 0x04, 0x14 };
if( algo != 3 )
return NULL;
*contextsize = sizeof(RMD160_CONTEXT);
*r_asnoid = asn;
*r_asnlen = DIM(asn);
*r_mdlen = 20;
*r_init = (void (*)(void *))rmd160_init;
*r_write = (void (*)(void *, byte*, size_t))rmd160_write;
*r_final = (void (*)(void *))rmd160_final;
*r_read = (byte *(*)(void *))rmd160_read;
return "RIPEMD160";
}