#include <openssl/buffer.h>
#include <openssl/x509.h>
-int ASN1_digest(int (*i2d)(), EVP_MD *type, char *data, unsigned char *md,
- unsigned int *len)
+int ASN1_digest(int (*i2d)(), const EVP_MD *type, char *data,
+ unsigned char *md, unsigned int *len)
{
EVP_MD_CTX ctx;
int i;