#include <openssl/bio.h> #include <openssl/evp.h> const BIO_METHOD *BIO_f_base64(void);
Base64 BIOs do not support BIO_gets() or BIO_puts().
BIO_flush() on a base64 BIO that is being written through is used to signal that no more data is to be encoded: this is used to flush the final block through the BIO.
The flag BIO_FLAGS_BASE64_NO_NL can be set with BIO_set_flags() to encode the data all on one line or expect the data to be all on one line.
BIO *bio, *b64; char message = "Hello World \n"; b64 = BIO_new(BIO_f_base64()); bio = BIO_new_fp(stdout, BIO_NOCLOSE); BIO_push(b64, bio); BIO_write(b64, message, strlen(message)); BIO_flush(b64); BIO_free_all(b64);
Read Base64 encoded data from standard input and write the decoded data to standard output:
BIO *bio, *b64, *bio_out; char inbuf; int inlen; b64 = BIO_new(BIO_f_base64()); bio = BIO_new_fp(stdin, BIO_NOCLOSE); bio_out = BIO_new_fp(stdout, BIO_NOCLOSE); BIO_push(b64, bio); while ((inlen = BIO_read(b64, inbuf, 512)) > 0) BIO_write(bio_out, inbuf, inlen); BIO_flush(bio_out); BIO_free_all(b64);
There should be some way of specifying a test that the BIO can perform to reliably determine EOF (for example a MIME boundary).
Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at https://www.openssl.org/source/license.html.