base-64 ignored

[rhkramer at gmail.com]

On Friday, May 27, 2022 03:11:58 AM Ingo Klöcker wrote:
> On Freitag, 27. Mai 2022 00:46:20 CEST rhkramer at gmail.com wrote:
> > "For encoding data, Base64 uses only alphabet, number and = symbol. For
> > instance, c2FtcGxlCg== is a valid encoded data while b?HV3.Zh2J== is not
> > a valid encoded data."
> 
> This statement is incorrect.
> 
> There are only 2*26 letters (in the English alphabet) and 10 digits.
> Therefore the base64 alphabet adds '+' and '/' to get 64 different
> symbols. '=' is not a legal base64 symbol. It is only used for padding.
> 
> See either the definite specification of Base64 at
> https://datatracker.ietf.org/doc/html/rfc4648
> or the more easily digestible
> https://en.wikipedia.org/wiki/Base64#Base64_table_from_RFC_4648.

Ahh, ok, thanks -- sorry for the noise!