Comments (5)
Thanks for the report. I don't have that issue with GCC 6.1.1. Could you post the output of openssl version
here please?
You can generate a quick diff of what you've changed by running git diff
as well. Posting the output of that here will allow me to merge your fixes in without having to go through a whole pull request process (unless you want to do that, of course!).
from crypto-example.
In basecode64.cpp in your base64Decode function parameters I changed it from const char *b64message to just char *b64message.
In my version of openssl bio.h and according to their wiki at https://wiki.openssl.org/index.php/Manual:BIO_s_mem%283%29
BIO_new_mem_buf takes a void* as it's first argument not const void*
openssl version
OpenSSL 1.0.1e-fips 11 Feb 2013
git diff
diff --git a/base64.cpp b/base64.cpp
index 011726e..b884374 100644
--- a/base64.cpp
+++ b/base64.cpp
@@ -27,7 +27,7 @@ char* base64Encode(const unsigned char *message, const size_t length) {
return b64text;
}
-int base64Decode(const char *b64message, const size_t length, unsigned char **buffer) {
+int base64Decode(char *b64message, const size_t length, unsigned char **buffer) {
int decodedLength = calcDecodeLength(b64message, length);
*buffer = (unsigned char*)malloc(decodedLength + 1);
from crypto-example.
It seems to be a problem with BIO_new_mem_buf as it should take a const void*
Reference https://mta.openssl.org/pipermail/openssl-dev/2015-November/003299.html
from crypto-example.
Yup, thanks for digging that up. And the current head uses a const
pointer (https://github.com/openssl/openssl/blob/5e93e5fc377ebc8bc30ffac1fa20a04cb25459eb/crypto/bio/bss_mem.c#L73) so I think I'm going to leave this as-is. If possible, you should upgrade your version of OpenSSL. 1.0.1e is quite old at this point and, most notably, is vulnerable to the Heartbleed bug.
from crypto-example.
I'll add a note to the README though recommending an up-to-date version of OpenSSL to avoid problems like this that others may have run into.
from crypto-example.
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