OpenSSL Base64 encoding

I'll just leave this here in case anyone else is interested:

	#include <openssl/bio.h>
	#include <openssl/evp.h>
	void base64calc(const unsigned char* msg, size_t msgsize, char* out, size_t outsize) {
	BIO *bio, *b64, *mem;
	// Shit, this base64 thing with openssl was hard to get right.
	b64 = BIO_new(BIO_f_base64());
	// No b64 newlines.
	BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
	mem = BIO_new(BIO_s_mem());
	bio = BIO_push(b64, mem);
	BIO_write(bio, msg, msgsize);
	BIO_flush(bio);
	BIO_gets(mem, out, outsize);
	BIO_free_all(bio);
	}

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