Mercurial > libjeffpc
changeset 746:7887fef9fcbe
base64: properly encode last group when only 2 bytes are left
The RFC states that we should encode the group by adding zeroes on the
right. We were accidentally adding them on the left.
Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
| author | Josef 'Jeff' Sipek <jeffpc@josefsipek.net> |
|---|---|
| date | Thu, 13 Jun 2019 00:16:51 +0300 |
| parents | 072420c8e932 |
| children | 18a6543019cb |
| files | base64.c |
| diffstat | 1 files changed, 2 insertions(+), 2 deletions(-) [+] |
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--- a/base64.c Thu Jun 13 00:10:36 2019 +0300 +++ b/base64.c Thu Jun 13 00:16:51 2019 +0300 @@ -153,8 +153,8 @@ break; case 2: /* 2 bytes left - encoded them & pad with = */ - v = in[i * 3] << 8; - v |= in[i * 3 + 1]; + v = in[i * 3] << 10; + v |= in[i * 3 + 1] << 2; out[i * 4] = table[(v >> 12) & 0x3f]; out[i * 4 + 1] = table[(v >> 6) & 0x3f];