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/*
SSSD
NSS crypto wrappers
Authors:
Jakub Hrozek <jhrozek@redhat.com>
Copyright (C) Red Hat, Inc 2010
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <nss.h>
#include <prerror.h>
#include <pk11func.h>
#include <base64.h>
#include <talloc.h>
#define MAKE_SECITEM(sdata, slen, sitem) do { \
(sitem)->type = (siBuffer); \
(sitem)->data = (sdata); \
(sitem)->len = (slen); \
} while(0)
struct sss_nss_crypto_ctx {
PK11SlotInfo *slot;
PK11Context *ectx;
PK11SymKey *keyobj;
SECItem *sparam;
SECItem *iv;
SECItem *key;
};
struct crypto_mech_data {
CK_MECHANISM_TYPE cipher;
uint16_t keylen;
uint16_t bsize;
};
enum crypto_mech_op {
op_encrypt,
op_decrypt,
op_sign
};
int nss_ctx_init(TALLOC_CTX *mem_ctx,
struct crypto_mech_data *mech_props,
uint8_t *key, int keylen,
uint8_t *iv, int ivlen,
struct sss_nss_crypto_ctx **_cctx);
int nss_crypto_init(struct crypto_mech_data *mech_props,
enum crypto_mech_op crypto_op,
struct sss_nss_crypto_ctx *cctx);
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