I searched the mailing list archives but couldn't find this question. When I run the following code, I get an "EXC_BAD_ACCESS" signal at line 29. If I reverse the order (encode the private key first, then the public key), then the error happens on the call to encode the public key. So it seems like encoding one key might do something to the DSA structure that makes it impossible to encode the other key... or (more likely), something is wrong with my code here (which I hope is the case because it will be easier to fix.) I am using version 0.9.7.
Thanks,
Matt
#include <stdio.h> #include <openssl/dsa.h>
int main (int argc, const char * argv[]) {
DSA *dsa = DSA_generate_parameters(1024, NULL, 0, NULL, NULL, NULL, NULL);
DSA_generate_key(dsa);
{
unsigned char *buffer;
unsigned char *p = buffer;
int length; length = i2d_DSAPublicKey(dsa, NULL);
if (length > -1) {
buffer = OPENSSL_malloc(length);
i2d_DSAPublicKey(dsa, &p);
OPENSSL_free(buffer);
}
} {
unsigned char *buffer;
unsigned char *p = buffer;
int length; length = i2d_DSAPrivateKey(dsa, NULL);
if (length > -1) {
buffer = OPENSSL_malloc(length);
i2d_DSAPrivateKey(dsa, &p); /* THIS IS LINE 29 */
OPENSSL_free(buffer);
}
}DSA_free(dsa);
return 0; }
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