Hi,
I have been going through curl sources, and came across base64 encode and
decode implementation in lib/base64.c. I am not sure which workflow it will
hit, but the implementation seems wrong to me.
The encode function is implemented like this:
...
192 while(insize > 0) {
193 for (i = inputparts = 0; i < 3; i++) {
194 if(insize > 0) {
195 inputparts++;
196 ibuf[i] = *indata;
197 indata++;
198 insize--;
199 }
200 else
201 ibuf[i] = 0;
202 }
...
What happens is if my data is not a multiple of 3, line 193 causes problem
193 for (i = inputparts = 0; i < 3; i++) {
It tend to pick up noise from the end of the array and encode that also!
I think the check should be
193 for (i = inputparts = 0; i < 3 && insize > 0; i++) {
Thanks,
pc
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