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authorbertrand <Bertrand.Guiheneuf@aful.org>1999-09-06 18:37:14 +0800
committerBertrand Guiheneuf <bertrand@src.gnome.org>1999-09-06 18:37:14 +0800
commita35e5f993fa4538431234bb3fde2f4be2e2cd26f (patch)
tree39c3cae57fb8e8184793f03d702bae9ce0222e1c /camel/md5-utils.c
parent66c1dd5fa4bd8cfaa94b83c62783ec98c7a48d93 (diff)
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new methods.
1999-09-06 bertrand <Bertrand.Guiheneuf@aful.org> * camel/md5-utils.h: * camel/md5-utils.c: (md5_get_digest_from_stream): new methods. svn path=/trunk/; revision=1185
Diffstat (limited to 'camel/md5-utils.c')
-rw-r--r--camel/md5-utils.c75
1 files changed, 32 insertions, 43 deletions
diff --git a/camel/md5-utils.c b/camel/md5-utils.c
index 468e67c9b1..6d8039a0ba 100644
--- a/camel/md5-utils.c
+++ b/camel/md5-utils.c
@@ -26,6 +26,7 @@
#include "md5-utils.h"
#include <stdio.h>
+static void md5_transform (guint32 buf[4], const guint32 in[16]);
static gint _ie = 0x44332211;
static union _endian { gint i; gchar b[4]; } *_endian = (union _endian *)&_ie;
@@ -52,7 +53,8 @@ _byte_reverse (guchar *buf, guint32 longs)
* Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
* initialization constants.
*/
-void md5_init (MD5Context *ctx)
+static void
+md5_init (MD5Context *ctx)
{
ctx->buf[0] = 0x67452301;
ctx->buf[1] = 0xefcdab89;
@@ -73,7 +75,8 @@ void md5_init (MD5Context *ctx)
* Update context to reflect the concatenation of another buffer full
* of bytes.
*/
-void md5_update (MD5Context *ctx, const guchar *buf, guint32 len)
+static void
+md5_update (MD5Context *ctx, const guchar *buf, guint32 len)
{
guint32 t;
@@ -127,7 +130,8 @@ void md5_update (MD5Context *ctx, const guchar *buf, guint32 len)
* Final wrapup - pad to 64-byte boundary with the bit pattern
* 1 0* (64-bit count of bits processed, MSB-first)
*/
-void md5_final (guchar digest[16], MD5Context *ctx)
+static void
+md5_final (guchar digest[16], MD5Context *ctx)
{
guint32 count;
guchar *p;
@@ -191,7 +195,8 @@ void md5_final (guchar digest[16], MD5Context *ctx)
* reflect the addition of 16 longwords of new data. md5_Update blocks
* the data and converts bytes into longwords for this routine.
*/
-void md5_transform (guint32 buf[4], const guint32 in[16])
+static void
+md5_transform (guint32 buf[4], const guint32 in[16])
{
register guint32 a, b, c, d;
@@ -277,51 +282,35 @@ void md5_transform (guint32 buf[4], const guint32 in[16])
-
-static int md5_do (const gchar * fn, guchar * digest, gint asAscii)
-{
- guchar buf[1024];
- guchar bindigest[16];
- FILE * fp;
+void
+md5_get_digest (const gchar *buffer, gint buffer_size, guchar digest[16])
+{
MD5Context ctx;
- gint n;
-
- fp = fopen (fn, "r");
- if (!fp) {
- return 1;
- }
-
+
md5_init (&ctx);
- while ((n = fread (buf, 1, sizeof (buf), fp)) > 0)
- md5_update (&ctx, buf, n);
- md5_final (bindigest, &ctx);
- if (ferror (fp)) {
- fclose (fp);
- return 1;
- }
+ md5_update (&ctx, buffer, buffer_size);
+ md5_final (digest, &ctx);
- if (!asAscii) {
- memcpy (digest, bindigest, 16);
- } else {
- sprintf (digest, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
- "%02x%02x%02x%02x%02x",
- bindigest[0], bindigest[1], bindigest[2], bindigest[3],
- bindigest[4], bindigest[5], bindigest[6], bindigest[7],
- bindigest[8], bindigest[9], bindigest[10], bindigest[11],
- bindigest[12], bindigest[13], bindigest[14], bindigest[15]);
-
- }
- fclose (fp);
-
- return 0;
}
-int md5_bin_file (const gchar *fn, guchar *bindigest) {
- return md5_do (fn, bindigest, 0);
-}
-int md5_file (const gchar *fn, guchar *digest) {
- return md5_do (fn, digest, 1);
+void
+md5_get_digest_from_stream (CamelStream *stream, gint buffer_size, guchar digest[16])
+{
+ MD5Context ctx;
+ guchar tmp_buf[1024];
+ gint nb_bytes_read;
+
+ md5_init (&ctx);
+
+ nb_bytes_read = camel_stream_read (stream, tmp_buf, 1024);
+ while (nb_bytes_read) {
+ md5_update (&ctx, tmp_buf, nb_bytes_read);
+ nb_bytes_read = camel_stream_read (stream, tmp_buf, 1024);
+ }
+
+ md5_final (digest, &ctx);
+
}