Base64 padding fix.

https://rt.openssl.org/Ticket/Display.html?id=2608

Previously, this input to the base64 code:

================================================================================-

Would cause the output length of EVP_DecodeUpdate to be negative. When
that happened in the base64 BIO, it would crash. In PEM decoding, the
ASN.1 code actually maintains signed lengths and manages to simply error
out!
1 file changed