Hi,
Seems there is a minor typo in the base64 encoding fns, in the file auth.c:
(base64 rfc says that an integral quantum (4 bytes) is always generated
when encoding 24 binary bits into 32 base64 bits. Dealing with
incomplete quantums goes like so:
- 8 bits in the last 24-bit quantum -> two "="'s at the end
- 16 bits in the last 24-bit quantum -> one "=" at the end
Attached patch fixes the two typos. Also, I suppose that the terminating
null char at the end shouldn't count as decoded data.
Hope I'm not missing something obvious,
Bogdan
Index: auth.c
===================================================================
--- auth.c (revision 195)
+++ auth.c (working copy)
@@ -411,9 +411,9 @@
else x4=-1;
if (x2!=-1) {
out[j++]=(x1<<2) | ((x2 & 0x30)>>4);
- if (x3==-1) {
+ if (x3!=-1) {
out[j++]=((x2 & 0x0F)<<4) | ((x3 & 0x3C)>>2);
- if (x4==-1) {
+ if (x4!=-1) {
out[j++]=((x3 & 0x03)<<6) | (x4 & 0x3F);
}
}
@@ -421,7 +421,7 @@
}
- out[j++] = 0;
+ out[j] = 0;
*newlen=j;
return out;
}
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