You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
/* Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. */
/* Initialize structure containing state of computation.
(RFC 1321, 3.3: Step 3) */
void
-md5_init_ctx (ctx)
- struct md5_ctx *ctx;
+md5_init_ctx (struct md5_ctx *ctx)
{
ctx->A = (md5_uint32) 0x67452301;
ctx->B = (md5_uint32) 0xefcdab89;
IMPORTANT: On some systems it is required that RESBUF is correctly
aligned for a 32 bits value. */
void *
-md5_read_ctx (ctx, resbuf)
- const struct md5_ctx *ctx;
- void *resbuf;
+md5_read_ctx (const struct md5_ctx *ctx, void *resbuf)
{
((md5_uint32 *) resbuf)[0] = SWAP (ctx->A);
((md5_uint32 *) resbuf)[1] = SWAP (ctx->B);
IMPORTANT: On some systems it is required that RESBUF is correctly
aligned for a 32 bits value. */
void *
-md5_finish_ctx (ctx, resbuf)
- struct md5_ctx *ctx;
- void *resbuf;
+md5_finish_ctx (struct md5_ctx *ctx, void *resbuf)
{
/* Take yet unprocessed bytes into account. */
md5_uint32 bytes = ctx->buflen;
resulting message digest number will be written into the 16 bytes
beginning at RESBLOCK. */
int
-md5_stream (stream, resblock)
- FILE *stream;
- void *resblock;
+md5_stream (FILE *stream, void *resblock)
{
/* Important: BLOCKSIZE must be a multiple of 64. */
#define BLOCKSIZE 4096
output yields to the wanted ASCII representation of the message
digest. */
void *
-md5_buffer (buffer, len, resblock)
- const char *buffer;
- size_t len;
- void *resblock;
+md5_buffer (const char *buffer, size_t len, void *resblock)
{
struct md5_ctx ctx;
void
-md5_process_bytes (buffer, len, ctx)
- const void *buffer;
- size_t len;
- struct md5_ctx *ctx;
+md5_process_bytes (const void *buffer, size_t len, struct md5_ctx *ctx)
{
/* When we already have some bits in our internal buffer concatenate
both inputs first. */
/* Process available complete blocks. */
if (len > 64)
{
+#if !_STRING_ARCH_unaligned
+/* To check alignment gcc has an appropriate operator. Other
+ compilers don't. */
+# if __GNUC__ >= 2
+# define UNALIGNED_P(p) (((md5_uintptr) p) % __alignof__ (md5_uint32) != 0)
+# else
+# define UNALIGNED_P(p) (((md5_uintptr) p) % sizeof (md5_uint32) != 0)
+# endif
+ if (UNALIGNED_P (buffer))
+ while (len > 64)
+ {
+ md5_process_block (memcpy (ctx->buffer, buffer, 64), 64, ctx);
+ buffer = (const char *) buffer + 64;
+ len -= 64;
+ }
+ else
+#endif
md5_process_block (buffer, len & ~63, ctx);
buffer = (const void *) ((const char *) buffer + (len & ~63));
len &= 63;
It is assumed that LEN % 64 == 0. */
void
-md5_process_block (buffer, len, ctx)
- const void *buffer;
- size_t len;
- struct md5_ctx *ctx;
+md5_process_block (const void *buffer, size_t len, struct md5_ctx *ctx)
{
md5_uint32 correct_words[16];
const md5_uint32 *words = (const md5_uint32 *) buffer;