#include <string.h>
#include <openssl/pem.h>
size_t bc_base64_encode(const void *data, int data_len, char *buffer)
{
BIO *b64 = BIO_new(BIO_f_base64());
BIO *bio = BIO_new(BIO_s_mem());
bio = BIO_push(b64, bio);
BIO_set_flags(bio, BIO_FLAGS_BASE64_NO_NL);
BIO_write(bio, data, data_len);
BIO_ctrl(bio, BIO_CTRL_FLUSH, 0, NULL);
BUF_MEM *bptr = NULL;
BIO_get_mem_ptr(bio, &bptr);
size_t slen = bptr->length;
memcpy(buffer, bptr->data, slen);
buffer[slen] = '\0';
BIO_free_all(bio);
return slen;
}
原文链接: https://www.cnblogs.com/qiuyi21/archive/2013/01/10/2854785.html
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