fee5429e02
Pull crypto update from Herbert Xu: "Here is the crypto update for 3.20: - Added 192/256-bit key support to aesni GCM. - Added MIPS OCTEON MD5 support. - Fixed hwrng starvation and race conditions. - Added note that memzero_explicit is not a subsitute for memset. - Added user-space interface for crypto_rng. - Misc fixes" * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (71 commits) crypto: tcrypt - do not allocate iv on stack for aead speed tests crypto: testmgr - limit IV copy length in aead tests crypto: tcrypt - fix buflen reminder calculation crypto: testmgr - mark rfc4106(gcm(aes)) as fips_allowed crypto: caam - fix resource clean-up on error path for caam_jr_init crypto: caam - pair irq map and dispose in the same function crypto: ccp - terminate ccp_support array with empty element crypto: caam - remove unused local variable crypto: caam - remove dead code crypto: caam - don't emit ICV check failures to dmesg hwrng: virtio - drop extra empty line crypto: replace scatterwalk_sg_next with sg_next crypto: atmel - Free memory in error path crypto: doc - remove colons in comments crypto: seqiv - Ensure that IV size is at least 8 bytes crypto: cts - Weed out non-CBC algorithms MAINTAINERS: add linux-crypto to hw random crypto: cts - Remove bogus use of seqiv crypto: qat - don't need qat_auth_state struct crypto: algif_rng - fix sparse non static symbol warning ...
95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
/*
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* if_alg: User-space algorithm interface
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*
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* Copyright (c) 2010 Herbert Xu <herbert@gondor.apana.org.au>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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*/
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#ifndef _CRYPTO_IF_ALG_H
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#define _CRYPTO_IF_ALG_H
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#include <linux/compiler.h>
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#include <linux/completion.h>
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#include <linux/if_alg.h>
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#include <linux/scatterlist.h>
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#include <linux/types.h>
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#include <net/sock.h>
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#define ALG_MAX_PAGES 16
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struct crypto_async_request;
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struct alg_sock {
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/* struct sock must be the first member of struct alg_sock */
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struct sock sk;
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struct sock *parent;
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const struct af_alg_type *type;
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void *private;
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};
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struct af_alg_completion {
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struct completion completion;
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int err;
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};
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struct af_alg_control {
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struct af_alg_iv *iv;
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int op;
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unsigned int aead_assoclen;
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};
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struct af_alg_type {
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void *(*bind)(const char *name, u32 type, u32 mask);
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void (*release)(void *private);
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int (*setkey)(void *private, const u8 *key, unsigned int keylen);
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int (*accept)(void *private, struct sock *sk);
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int (*setauthsize)(void *private, unsigned int authsize);
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struct proto_ops *ops;
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struct module *owner;
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char name[14];
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};
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struct af_alg_sgl {
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struct scatterlist sg[ALG_MAX_PAGES];
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struct page *pages[ALG_MAX_PAGES];
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};
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int af_alg_register_type(const struct af_alg_type *type);
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int af_alg_unregister_type(const struct af_alg_type *type);
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int af_alg_release(struct socket *sock);
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int af_alg_accept(struct sock *sk, struct socket *newsock);
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int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len);
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void af_alg_free_sg(struct af_alg_sgl *sgl);
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int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con);
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int af_alg_wait_for_completion(int err, struct af_alg_completion *completion);
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void af_alg_complete(struct crypto_async_request *req, int err);
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static inline struct alg_sock *alg_sk(struct sock *sk)
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{
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return (struct alg_sock *)sk;
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}
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static inline void af_alg_release_parent(struct sock *sk)
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{
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sock_put(alg_sk(sk)->parent);
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}
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static inline void af_alg_init_completion(struct af_alg_completion *completion)
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{
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init_completion(&completion->completion);
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}
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#endif /* _CRYPTO_IF_ALG_H */
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