/* Copyright (C) 2014 mod_auth_gssapi contributors - See COPYING for (C) terms */
#include <apr_errno.h>
#include <apr_pools.h>
struct seal_key;
struct databuf {
unsigned char *value;
int length;
};
apr_status_t SEAL_KEY_CREATE(apr_pool_t *p, struct seal_key **skey,
struct databuf *keys);
apr_status_t HMAC_BUFFER(struct seal_key *skey, struct databuf *buffer,
struct databuf *result);
apr_status_t SEAL_BUFFER(apr_pool_t *p, struct seal_key *skey,
struct databuf *plain, struct databuf *cipher);
apr_status_t UNSEAL_BUFFER(apr_pool_t *p, struct seal_key *skey,
struct databuf *cipher, struct databuf *plain);
int get_mac_size(struct seal_key *skey);