Hi folks,
I have to decode a base 64 string but I don't know the result
lenght......
I tried to use the bio_read after a push of a b64 filter but I obtain
always a string larger than the real string I expect so I noticed the
EVP_DecodeValid function. I seems to do the right job, i.e., it returns
the number of valid character into a base 64 string...but there is no
prototype and a strange include ....

#ifdef undef
int EVP_DecodeValid(unsigned char *buf, int len)


How can I use it?? or how can decode as block and have as return code
the number of valid characters??



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