/* * Diffie-Hellman secret to be used with kpp API along with helper functions * * Copyright (c) 2016, Intel Corporation * Authors: Salvatore Benedetto * * 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_DH_ #define _CRYPTO_DH_ /** * DOC: DH Helper Functions * * To use DH with the KPP cipher API, the following data structure and * functions should be used. * * To use DH with KPP, the following functions should be used to operate on * a DH private key. The packet private key that can be set with * the KPP API function call of crypto_kpp_set_secret. */ /** * struct dh - define a DH private key * * @key: Private DH key * @p: Diffie-Hellman parameter P * @g: Diffie-Hellman generator G * @key_size: Size of the private DH key * @p_size: Size of DH parameter P * @g_size: Size of DH generator G */ struct dh { void *key; void *p; void *g; unsigned int key_size; unsigned int p_size; unsigned int g_size; }; /** * crypto_dh_key_len() - Obtain the size of the private DH key * @params: private DH key * * This function returns the packet DH key size. A caller can use that * with the provided DH private key reference to obtain the required * memory size to hold a packet key. * * Return: size of the key in bytes */ int crypto_dh_key_len(const struct dh *params); /** * crypto_dh_encode_key() - encode the private key * @buf: Buffer allocated by the caller to hold the packet DH * private key. The buffer should be at least crypto_dh_key_len * bytes in size. * @len: Length of the packet private key buffer * @params: Buffer with the caller-specified private key * * The DH implementations operate on a packet representation of the private * key. * * Return: -EINVAL if buffer has insufficient size, 0 on success */ int crypto_dh_encode_key(char *buf, unsigned int len, const struct dh *params); /** * crypto_dh_decode_key() - decode a private key * @buf: Buffer holding a packet key that should be decoded * @len: Lenth of the packet private key buffer * @params: Buffer allocated by the caller that is filled with the * unpacket DH private key. * * The unpacking obtains the private key by pointing @p to the correct location * in @buf. Thus, both pointers refer to the same memory. * * Return: -EINVAL if buffer has insufficient size, 0 on success */ int crypto_dh_decode_key(const char *buf, unsigned int len, struct dh *params); #endif it' value='search'/>

path: root/include

Age	Commit message (Expand)	Author	Files	Lines
2017-02-04	net: ipv6: Change notifications for multipath add to RTA_MULTIPATH	David Ahern	1	-0/+1
2017-02-04	net: ipv6: Allow shorthand delete of all nexthops in multipath route	David Ahern	1	-1/+3
2017-02-03	net: remove support for per driver ndo_busy_poll()	Eric Dumazet	2	-5/+0
2017-02-03	Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next	David S. Miller	11	-40/+60
2017-02-03	sched: cls_flower: expose priority to offloading netdevice	Jiri Pirko	1	-0/+1
2017-02-03	lib: Introduce priority array area manager	Jiri Pirko	1	-0/+76
2017-02-03	list: introduce list_for_each_entry_from_reverse helper	Jiri Pirko	1	-0/+13
2017-02-03	trace: rename trace_print_hex_seq arg and add kdoc	Daniel Borkmann	2	-3/+3
2017-02-03	bridge: uapi: add per vlan tunnel info	Roopa Prabhu	3	-0/+13
2017-02-03	vxlan: support fdb and learning in COLLECT_METADATA mode	Roopa Prabhu	1	-0/+1
2017-02-03	ip_tunnels: new IP_TUNNEL_INFO_BRIDGE flag for ip_tunnel_info mode	Roopa Prabhu	1	-0/+1
2017-02-03	net/sched: act_ife: Change to use ife module	Yotam Gigi	2	-10/+1
2017-02-03	net: Introduce ife encapsulation module	Yotam Gigi	3	-0/+70
2017-02-03	net/sched: act_ife: Unexport ife_tlv_meta_encode	Yotam Gigi	1	-2/+0
2017-02-03	tcp: add tcp_mss_clamp() helper	Eric Dumazet	1	-0/+9
2017-02-02	net: add LINUX_MIB_PFMEMALLOCDROP counter	Eric Dumazet	1	-0/+1
2017-02-02	net: phy: marvell: Add support for 88e1545 PHY	Andrew Lunn	1	-0/+1
2017-02-02	unix: add ioctl to open a unix socket file with O_PATH	Andrey Vagin	1	-0/+2
2017-02-02	net: phy: Marvell: Add mv88e6390 internal PHY	Andrew Lunn	1	-0/+6
2017-02-02	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	David S. Miller	9	-30/+40
2017-02-02	netfilter: allow logging from non-init namespaces	Michal Kubeček	1	-0/+3
2017-02-02	ipvs: free ip_vs_dest structs when refcnt=0	David Windsor	1	-1/+1
2017-02-02	netfilter: merge ctinfo into nfct pointer storage area	Florian Westphal	2	-17/+15
2017-02-02	netfilter: guarantee 8 byte minalign for template addresses	Florian Westphal	1	-0/+2
2017-02-02	netfilter: add and use nf_ct_set helper	Florian Westphal	2	-2/+9
2017-02-02	skbuff: add and use skb_nfct helper	Florian Westphal	2	-4/+11
2017-02-02	netfilter: reduce direct skb->nfct usage	Florian Westphal	1	-3/+6
2017-02-02	netfilter: conntrack: no need to pass ctinfo to error handler	Florian Westphal	1	-1/+1