linux-stable/include/crypto/authenc.h
Mathias Krause bc6e2bdb71 crypto: authenc - Export key parsing helper function
AEAD key parsing is duplicated to multiple places in the kernel. Add a
common helper function to consolidate that functionality.

Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Mathias Krause <mathias.krause@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2013-10-16 20:56:25 +08:00

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/*
* Authenc: Simple AEAD wrapper for IPsec
*
* Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au>
*
* 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 2 of the License, or (at your option)
* any later version.
*
*/
#ifndef _CRYPTO_AUTHENC_H
#define _CRYPTO_AUTHENC_H
#include <linux/types.h>
enum {
CRYPTO_AUTHENC_KEYA_UNSPEC,
CRYPTO_AUTHENC_KEYA_PARAM,
};
struct crypto_authenc_key_param {
__be32 enckeylen;
};
struct crypto_authenc_keys {
const u8 *authkey;
const u8 *enckey;
unsigned int authkeylen;
unsigned int enckeylen;
};
int crypto_authenc_extractkeys(struct crypto_authenc_keys *keys, const u8 *key,
unsigned int keylen);
#endif /* _CRYPTO_AUTHENC_H */