----- Oorspronkelijk bericht -----
> On Wed, 4 Jul 2012, Wido den Hollander wrote:
> > By using this we prevent scenarios where cephx keys are not accepted
> > in various situations.
> >
> > Replacing the + and / by - and _ we generate URL-safe base64 keys
> >
> > Signed-off-by: Wido den Hollander <wido@xxxxxxxxx>
>
> Do already properly decode URL-sage base64 encoding?
>
Yes, it decodes URL-safe base64 as well.
See the if statements for 62 and 63, + and - are treated equally, just like / and _.
Wido
> sage
>
> > ---
> > src/common/armor.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/src/common/armor.c b/src/common/armor.c
> > index d1d5664..7f73da1 100644
> > --- a/src/common/armor.c
> > +++ b/src/common/armor.c
> > @@ -9,7 +9,7 @@
> > * base64 encode/decode.
> > */
> >
> > -const char *pem_key =
> > "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
> > +const char *pem_key =
> > "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
> >
> > static int encode_bits(int c)
> > {
> > @@ -24,9 +24,9 @@ static int decode_bits(char c)
> > return c - 'a' + 26;
> > if (c >= '0' && c <= '9')
> > return c - '0' + 52;
> > - if (c == '+')
> > + if (c == '+' || c == '-')
> > return 62;
> > - if (c == '/')
> > + if (c == '/' || c == '_')
> > return 63;
> > if (c == '=')
> > return 0; /* just non-negative, please */
> > --
> > 1.7.9.5
> >
> > --
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> >
> >
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