> Reject incorrect base64 in HTTP auth
>
> In addition, to make sure that no call site ignores the invalid
> decoding status, make the pf_invalid argument mandatory.
https://github.com/bitcoin/bitcoin/pull/25001/commits/a4377a0843636eae0aaf698510fc6518582545db
> Make DecodeBase{32,64} always return vector, not string
>
> Base32/base64 are mechanisms for encoding binary data. That they'd
> decode to a string is just bizarre. The fact that they'd do that
> based on the type of input arguments even more so.
https://github.com/bitcoin/bitcoin/pull/25001/commits/a65931e3ce66d87b8f83d67ecdbb46f137e6a670
> Make DecodeBase{32,64} return optional instead of taking bool*
https://github.com/bitcoin/bitcoin/pull/25001/commits/78f3ac51b7d073d12da6a3b9b7d80d91e04ce3a7
This is a partial backport of core#25001
Depends on D17148