1 /*
2 * Octeon Crypto for OCF
3 *
4 * Written by David McCullough <david_mccullough@securecomputing.com>
5 * Copyright (C) 2009 David McCullough
6 *
7 * LICENSE TERMS
8 *
9 * The free distribution and use of this software in both source and binary
10 * form is allowed (with or without changes) provided that:
11 *
12 * 1. distributions of this source code include the above copyright
13 * notice, this list of conditions and the following disclaimer;
14 *
15 * 2. distributions in binary form include the above copyright
16 * notice, this list of conditions and the following disclaimer
17 * in the documentation and/or other associated materials;
18 *
19 * 3. the copyright holder's name is not used to endorse products
20 * built using this software without specific written permission.
21 *
22 * DISCLAIMER
23 *
24 * This software is provided 'as is' with no explicit or implied warranties
25 * in respect of its properties, including, but not limited to, correctness
26 * and/or fitness for purpose.
27 * ---------------------------------------------------------------------------
28 *
29 * $FreeBSD$
30 */
31
32 #ifndef _MIPS_CAVIUM_CRYPTOCTEON_CRYPTOCTEONVAR_H_
33 #define _MIPS_CAVIUM_CRYPTOCTEON_CRYPTOCTEONVAR_H_
34
35 struct octo_sess;
36
37 typedef int octo_encrypt_t(struct octo_sess *od, struct iovec *iov, size_t iovcnt, size_t iovlen, int auth_off, int auth_len, int crypt_off, int crypt_len, uint8_t *icv, uint8_t *ivp);
38 typedef int octo_decrypt_t(struct octo_sess *od, struct iovec *iov, size_t iovcnt, size_t iovlen, int auth_off, int auth_len, int crypt_off, int crypt_len, uint8_t *icv, uint8_t *ivp);
39
40 struct octo_sess {
41 #define MAX_CIPHER_KEYLEN 64
42 char octo_enckey[MAX_CIPHER_KEYLEN];
43 int octo_encklen;
44
45 int octo_mlen;
46
47 octo_encrypt_t *octo_encrypt;
48 octo_decrypt_t *octo_decrypt;
49
50 uint64_t octo_hminner[3];
51 uint64_t octo_hmouter[3];
52
53 struct iovec octo_iov[UIO_MAXIOV];
54 };
55
56 #define dprintf(fmt, ...) \
57 do { \
58 if (cryptocteon_debug) \
59 printf("%s: " fmt, __func__, ## __VA_ARGS__); \
60 } while (0)
61
62 extern int cryptocteon_debug;
63
64 void octo_calc_hash(uint8_t, unsigned char *, uint64_t *, uint64_t *);
65
66 /* XXX Actually just hashing functions, not encryption. */
67 octo_encrypt_t octo_null_sha1_encrypt;
68
69 octo_encrypt_t octo_aes_cbc_encrypt;
70 octo_encrypt_t octo_aes_cbc_sha1_encrypt;
71
72 octo_decrypt_t octo_aes_cbc_decrypt;
73 octo_decrypt_t octo_aes_cbc_sha1_decrypt;
74
75 #endif /* !_MIPS_CAVIUM_CRYPTOCTEON_CRYPTOCTEONVAR_H_ */
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